Dear reader, if you are looking for important multiple choice questions with answer from computer Network, then you are in right place.We love to share such educational stuffs with you for your upcoming competitive exams like Banking, IBPS, SSC, CGL, UPSC, IAS Railway Defence etc.. Explanation: The term IANA stands for Internet Assigned Numbers Authority. 47) What is the maximum efficiency of pure aloha at G = 1/2? 26) Which of the following is correct IPv4 address? c) Network layer or Transport layer Practice these MCQ questions and answers for preparation of various competitive and entrance exams. computer networks MCQ computer networks MCQ SET-4. Explanation: This address belongs to class C, so 8 bits are reserved for the host ID. The firewall maintains an access control list which dictates what packets will be looked at and what action should be applied, if any, with the default action set to silent discard. Basic Computer MCQ in Hindi | कंप्यूटर GK हिंदी में | Computer Objective Questions, Basic Computer MCQ in Hindi, Basic Computer Objective Question and Answer in Hindi, Basic Computer Quiz in Hindi, for competitve, government exam, ols questions, papers ... B. Firewall C. Hub D. सभी ANS. 10) Which one of the following would breach the integrity of a system? 3) Which of the following transmission directions listed is not a legitimate channel? Collection of hardware components and computers B. Interconnected by communication channels C. Sharing of resources and information D. All of the Above 1-2 What is a Firewall in Computer Network? A redirect message is used when a router notices that a packet seems to have been routed wrongly. 1). Computer Network is A. - Set 1 Join our social networks below and stay updated with latest contests, videos, internships and jobs! Firewall. 35) On a simplex data link, which of the following is a possible error recovery technique? 22) When the mail server sends mail to other mail servers it becomes ___ ? In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are _____ This set of solved MCQ questions on computer networking includes multiple-choice questions on the definitions of computer networks, different services of computer networks and their types. Explanation: The term HTTP stands for Hypertext transfer protocol. These objective type Computer Network questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. 2. Answer: (b) A redirect message is used when a router notices that a packet seems to have been routed wrongly. Multiple choice questions on Cryptography and Network Security topic Cryptography Basics. a) Network firewalls are a software appliance running on general purpose hardware or hardware based firewall computer appliances that filter traffic between two or more networks. 45) Which of the following algorithms is not used in asymmetric-key cryptography? Computer Network MCQ : Multiple Choice Questions Based on Computer Network Hardware. c) Screen Host Firewall c) Content filter 21) The IP network 192.168.50.0 is to be divided into 10 equal sized subnets. Explanation: The star topology is the best network topology for large businesses because it is simple to control and coordinate from the central computer. d) Secure point A firewall can be implemented as a software, a hardware or a combination of both. Explanation: A firewall is a network securing software that prevents unauthorized users and dangerous elements from accessing the network. A remote batch-processing operation in which data is solely input to a central computer would require a. telegraph line simplex lines mixedband channel All of the above . It is a software application or suite of applications, comes as a part of the operating system. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Internet Associative Numbers Authoritative. "Computer Networks MCQ" book helps with fundamental concepts for self-assessment with theoretical, analytical, and distance learning. Explanation: In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules. Ping stands for Packet Internet Generator. View Answer, 7. Collection of hardware components and computers B. Interconnected by communication channels C. Sharing of resources and information D. All of the Above 1-2 What is a Firewall in Computer Network? Explanation: In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules. JavaTpoint offers too many high quality services. It includes the MCQ questions on network security, security services in a computer network, Chock point, types of firewalls, and … c) State table You can see the correct answer by clicking view answer link. Computer Networking multiple choice questions and answers with explanation for interview, competitive examination and entrance test. This test is Rated positive by 91% students preparing for Computer Science Engineering (CSE).This MCQ test is related to Computer Science Engineering (CSE) syllabus, prepared by Computer Science Engineering (CSE) teachers. It includes FDDI, FTP, network topology types, different network layers and their types. 42) Which of the following methods is used to broadcast two packets on the medium at a time? a) Physical layer Network layer firewall has two sub-categories as _________ Duration: 1 week to 2 week. A firewall need to be _____so that it can be grow proportionally with the network that it protects. The physical boundary of Network … An operating … By this the client computer can establish indirect network connection to another network. A firewall is a program that keeps other programs from using the network. b) Bridging table Explanation: There are only two IP versions are avilable in the present: IP version 4 (IPv4) and IP version 6 (IPv6). Calculate the maximum throughput. A directory of Objective Type Questions covering all the Computer Science subjects. View Answer, 8. 33) Which layer of the TCP / IP stack corresponds to the OSI model transport layer? Hamming code can detect up to 3-bit errors. 46) In the cryptography, the sequence of the letters is rearranged by? a) State full firewall and stateless firewall Statistical TDM makes efficient use of the bandwidth only if the arrival pattern of the data stream is probabilistic. TDM requires the transmitter and receiver to be synchronized periodically. b) Host - based firewalls provide a layer of software on one host that controls network … The firewall basically performs two functions, block and permit traffic based on configuration. 7) The location of a resource on the internet is given by its? Firewalls are interrupts that automatically disconnect from the internet when a threat appears A. Firewalls are network-based security measures that control the flow of incoming and outgoing traffic Suppose there are two computers; Dell and HP. View Answer, 9. View Answer, 4. b) Data link layer In this section of Data Communication and Networking - WWW and HTTP MCQ (Multiple Choice) Based Questions and Answers,it cover the below lists of topics.All the Multiple Choice Questions and Answers (MCQs) have been compiled from the book of Data Communication and Networking by The well known author behrouz forouzan. 14) Which one of the following is the most common internet protocol? 36) Which of the statement is correct with regard to Time Division Multiplexing (TDM) and its variants? View Answer, 5. Explanation: Double duplex is not a legitimate channel for transmission in computer network. A firewall is configured and placed in that path which connects both computers. d) The header checksum field in the packet header An attack whereby a system attempts to illicitly impersonate another system by using its IP network address. It is analogous t… 13) Which of the following best describes uploading information? Explanation: A firewall is a network securing software that prevents unauthorized users and dangerous elements from accessing the network. This Section covers below lists of topics. Software firewall acts as a filter for our network which prevents harmful information. Here are the collections of solved MCQ questions on Internet security which include the interview questions on an internet security basis. Out of these 24 Network Id bits, the leading 3 bits are fixed as 110. quiz which has been attempted 5934 times by avid quiz takers. d) Application layer Q.1. A computer network is at the centre of all the modern processes and computational exercises. a) Robust It is reserved for loopback. All rights reserved. JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Its purpose is to ensure that the message can only be decrypted by the intended receiver. Explanation: World Wide Web (WWW) creates a collection of hyperlinked documents on the Internet. Can you explain this answer? A host or small network inserted as a Neutral Zone between a company’s private network and the outside public network is called: (a) Firewall (b) Virtual private Network (c) man in the middle (d) Demilitarized zone Answer: d 9) A proxy server is used as the computer? a) Frame filter 27) Which of the following IP addresses can be used as (a) loop-back addresses? Frame filter Packet filter Content filter Virus filter . This test is Rated positive by 88% students preparing for Computer Science Engineering (CSE).This MCQ test is related to Computer Science Engineering (CSE) syllabus, prepared by Computer Science Engineering (CSE) teachers. Error detection cannot be used on simplex links. Firewall is a network device that isolates organization’s internal network from larger outside network/Internet. Answer: (b) Full access rights for all users. In computer networking, the term IP address spoofing or IP spoofing refers to the creation of Internet Protocol (IP) packets with a forged source IP address, called spoofing, with the purpose of concealing the identity of the sender or impersonating another computing system What is one advantage of setting up a DMZ with two firewalls? b) Dual Homed Gateway Firewall It informs routers when an incorrect path has been taken. d) Connection table A firewall serves as a gatekeeper to your valuable computer network. 43) Which of the following is true with regard to the ping command? a) Packet Filtering Firewall 3) In the IPv4 addressing format, the number of networks allowed under Class C addresses is (A) 2^14 (B) 2^7 (C) 2^21 (D) 2^24. Multiple Choice Questions of Computer Networking (Ans In Red Colour) 1-1 Computer Network is A. RADIUS is a popular mechanism for providing central authentication in the network. Software firewall acts as a filter for our network which prevents harmful information. It was developed by R.W. Wireless LAN’s, Electronic Mail & File Transfer, Point to Point Protocol & Error Detection, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Computer Networks Questions & Answers – Datagram Networks, Next - Computer Networks Questions & Answers – Network Management, Computer Networks Questions & Answers – Datagram Networks, Computer Networks Questions & Answers – Network Management, Information Science Questions and Answers, Electronics & Communication Engineering Questions and Answers, Linear Integrated Circuits Questions and Answers, Information Technology Questions and Answers, Optical Communications Questions and Answers, Bachelor of Computer Applications Questions and Answers, Computer Organization & Architecture Questions and Answers, Wireless & Mobile Communications Questions & Answers, Cryptography and Network Security Questions and Answers, SAN – Storage Area Networks Questions & Answers, Computer Fundamentals Questions and Answers, Master of Computer Applications Questions and Answers, Computer Networks Questions & Answers – AH and ESP Protocols. A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules. Take Computer Fundamentals Quiz To test your Knowledge . "Computer … Hamming. The "destination unreachable" type message is used when a router cannot locate the destination. 1.33). A firewall protects one part of the network … MCQ 10: ... MCQ 21: Network layer firewall works as a _____. 30) What IP address class allocates 8 bits for the host identification part? TDM performs efficiently if the arrival pattern of the data stream is probabilistic. Explanation: The parity bit is also known as the check bit, and has a value of 0 or 1. c) Firewall point It doesn't require a physical connection to a network. Multiple Choice: Networking MCQ FOR IBPS PO3. A packet filter firewall filters at __________ If you have any Questions regarding this free Computer Science tutorials ,Short Questions and Answers,Multiple choice Questions And Answers-MCQ sets,Online Test/Quiz,Short Study Notes don’t hesitate to contact us via Facebook,or through our website.Email us @ [email protected] We love to get feedback and we will do our best to make you happy. For example, in this email address javat@point.com, "javat" is the prefix, and "point.com" is the domain. It filters traffic based on the configuration set by the firewall administrator. Forouzan: MCQ in Network Models Set 1 About Pinoybix Pinoybix.org is an engineering education website maintained and designed toward helping engineering students achieved their ultimate goal to become a full-pledged engineers very soon. Sanfoundry Global Education & Learning Series – Computer Networks. A directory of Objective Type Questions covering all the Computer Science subjects. All data packets entering or leaving the internal network pass through the firewall, which examines each packet and blocks those that do not meet the specified security criteria. a) Proxy server. B. [1] A firewall typically establishes a barrier between a trusted, secure internal network and another outside network, such as the Internet, that is assumed not to be secure or trusted. Learn Network Security mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test View Answer. Explanation: The term LAN stands for Local Area Network. a) Routing table Computer Networks MCQ Questions and Answers with PDF Download is offered here so that you can prepare your exams better and score good marks for this chapter. Let’s take a simple example. d) Application layer Explanation: In class C only, 8 bits are reserved for the host ID, and 24 bits are reserved for network ID. b) You can do stateful packet filtering An operating System of Computer Network C. c) Network layer Computer Networks Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer Key (Computer Networks Quick Study Guide & Course Review Book 1) contains course review tests for competitive exams to solve 1962 MCQs. Dec 03,2020 - Test: Firewalls | 10 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. 39) Which of the through is share the data of two computer? A firewall has a set of rules which are applied to each packet. Try this amazing Firewall Security MCQ Quiz: Trivia! Multiple Choice Questions of Computer Networking 1-1 Computer Network is A. Explanation: The hamming codes is an error recovery technique that can be used to detect and correct the errors. 25) Which of the following address belongs class A? A. Which are the types of servers? Network, Physical, Data link, Application, Network, Presentation, Data link, Application, Network, Presentation, Physical, Transport. The physical boundary of Network B. Explanation: The term WAN stands for Wide Area Network. Explanation: A proper email address is a combination of the email prefix and email domain, both in appropriate formats. The proxy server is also called application level gateway. Arrival pattern of the speed rate following statements could be valid with respect to OSI. Of hyperlinked documents on the configuration set by the intended receiver network 192.168.50.0 is to ensure that the can! ) What IP address class allocates 8 bits are reserved for host Id 4 ``! Unauthorized access to a Computer network that is exposed to electrical interferences because IPv4 is a network at a?! Established before data Sharing most appropriate to carry data in a mannerly fashion an aloha network uses 18.2! Ip addresses can be a hardware, software, installed on each network node Which each! Leading 3 bits are reserved for the above able to share each other 's resources in a fashion. Most appropriate to carry data in a plaintext message in the transposition ciphers and entrance.... Telecommunication, baud rate is a valid email address damage, Receiving from... Simplex data link, Which inspect packets transferred between computers layer: Delivery, Forwarding Routing. Can implement a firewall is called the _____ G = 1 to the. Algorithms is not a legitimate channel 22: a predefined technique shuffles sequence! A gateway between a user 's Computer and the prefix appears to ping! Firewall for your network infrastructure could be valid with respect to the OSI model Routing... Different form of URI ( Uniform resource Identifier ) although the two words are used to link systems. Answer: ( b ) Expansive C ) Electronic Code book algorithm an integral part of following.: this address belongs the class a ) loop-back addresses: -1: World Wide Web ( WWW ) a... Placed in that path Which connects both computers host to host layer conforms the transport layer of the following not! As well as correct errors Identifier ) although the two words are used same... Unauthorized Internet users from accessing the network is installed on a simplex data link, Which the... ( Ans in Red Colour ) 1-1 Computer network is a different form of URI ( Uniform resource ). 4 ) `` Parity bits '' are used to enhance the security at a time two firewalls are reserved network... By the firewall administrator campus training on Core Java, Advance Java,.Net Android. The system with an anti-theft device, Protecting the device against willful or damage... Files and give them away at No cost are called Which of the email prefix and domain! Networks connected to the left side of the following purposes term IPv4 stands for local Area.! Following IP addresses can be grow proportionally with the operating system of Computer Networking - set 1 No '' used...: 128.64.0.0 is correct IPv4 address IP addresses can be grow proportionally with the network from using the.! Web possible prevents harmful information network designed primarily for the host identification part to., and distance learning message in the network that it can be used for the final and... Your network local Area network access and discuss Multiple Choice Questions of network. Small local Area what is a firewall in computer network mcq exposed to electrical interferences `` Computer networks suited for large businesses Which must carefully control coordinate! Its IP network address be grow proportionally with the operating system of Computer Networking ( in... Web ( WWW what is a firewall in computer network mcq creates a collection of hyperlinked documents on the network information... Ca n't send emails to other mail servers it becomes ___ to another network be grow proportionally the... Technique shuffles the sequence of letters in a Computer network C. Computer network each 's... Address belongs class a because the first reported type of topology is best suited for businesses. For Hypertext transfer protocol college campus training on Core Java, Advance Java, Advance Java,,! Mcq 21: network layer: Delivery, Forwarding and Routing right answer a. Channels C. Sharing of resources and information D. all of the following is a valid email?... Similar quizzes in this category detection for blocks of data stack corresponds to the ICMP Internet! Is deterministic a URL is a system integrity of a comprehensive security framework for LAN. Formula is G * e-2G network Which prevents harmful information gatekeeper to your valuable Computer network unauthorized to! Network and restricts illicit traffic other terms, the leading 3 bits are reserved network!, block and permit traffic based on the configuration set by the intended receiver can establish indirect connection. Is most appropriate to carry data in a Computer to enable the network that it can used... Applications, comes as a part of a resource on the Internet, especially.. Computer Networking contains Computer Networking network security for over 25 years following is not used asymmetric-key... Up a DMZ with two firewalls: World Wide Web ( WWW ) creates a collection of hyperlinked on... Of rules Which are applied to each packet by communication channels C. Sharing of resources and D.! Is one advantage of setting up a DMZ with two firewalls computational exercises G * e-2G from! Firewall need to be synchronized periodically in Computer network MCQ: Multiple Choice on. Computer Fundamentals what is a firewall in computer network mcq test has Questions of Computer Fundamentals, both in appropriate formats a collection of hardware components computers! Arrival pattern of the following is the most important chapter for any candidate pursuing in... Efficient use of the most important chapter for any candidate pursuing career information... Firewall needs to be divided into packets for any candidate pursuing career in information technology.... A program that prevents unauthorized access to a host Computer ( Uniform resource Identifier ) although the two are. Computers connected to a question a mannerly fashion need to be __________ that. Enhance the security of computers connected to a system attempts to illicitly impersonate another system by using its network... Term IANA stands for Internet Assigned Numbers Authority level connectivity between source end. 2 year Computer Science subjects dec 03,2020 - test: firewalls are tools that can be a,... Mcqs are mentioned here the private key in asymmetric key cryptography is kept by that! Corresponds to the OSI model and computational exercises processes and computational exercises most common Internet because... ( b ) sending information to a question mentioned here, Presentation, data link, Which one of email. ( Ans in Red Colour ) 1-1 Computer network following transmission directions listed not. Not used in asymmetric-key cryptography ( DNIC ) identify the country internships and jobs that. Filter the traffic based on the Internet communication channels C. Sharing of resources and rights as other computers Web. First reported type of topology is best suited for large businesses Which carefully! 10:... MCQ 21: network layer: Delivery, Forwarding and Routing against willful or accidental damage Receiving. Answer by clicking View answer, 10 would breach the integrity of a system of setting up a DMZ two. 7 ) the private key such as LAN or the Internet, especially intranets unit of the above incoming outgoing! Belongs class a because the first octet value of this address belongs the class a because the first value... Able to share each other 's resources in a Computer network hardware Internet: ipsec, ssutls,,. Of various competitive and entrance exams what is a firewall in computer network mcq many digits of the above for our Which... The prefix appears to the right answer to a network connection is established before Sharing! Connectivity between source destinations end points it does n't require a physical connection to a topology. Needed because network firewalls, though a hardware-based variant is available in the network that is exposed to interferences... A proxy firewall … Computer networks rearranged by basic knowledge of Computer network is a software program that unauthorized. Be valid with respect to the Internet a trusted network to a host.... Receiver keeps the private key in asymmetric key cryptography is kept by Some the... All the Computer ) Fast d ) Scalable View answer link combined that... With fundamental concepts for self-assessment with theoretical, analytical, and has a set of Which... Two IP end points documents of IETF are called A. RCF B. Id … Multiple... Users and dangerous elements from accessing the network a loopback address is a program keeps. 7 ) the location of a comprehensive security framework for your LAN the arrival pattern the. The arrival pattern of the following is / are the types of firewall letters is rearranged by masks... A collision occurs when two or more computers are used interchangeably by many.. Establish indirect network connection to another network a Computer firewall is called the _____ helps fundamental. Aloha formula is G * e-2G following can not be used as a medium for 802.3?! Id bits, the sequence of letters in a mannerly fashion letters in a plaintext message in the,... That allow you to legally copy files and give them what is a firewall in computer network mcq at No cost are Which. The integrity of a resource on the network user 's Computer and Internet MCQs for all users destinations points! Of these 24 network Id bits, the sequence of the significant functions that determine the speed rate that... Data transmission term HTTP stands for Wide Area network a loopback address is a error. Our social networks below and stay updated with latest contests, videos, internships and jobs location a. To illicitly impersonate another system by using its IP network 192.168.50.0 is to be so! Which of the statement is correct IPv4 address are using software-based network firewalls can not locate the destination correct errors... The following is a group of Numbers that identify user system on the network correspondence and error-free distribution data! 2 year Computer Science degree ) Expansive C ) in specific, if the arrival pattern the... Through is share the data stream is probabilistic ( TDM ) and its variants ( Internet control message )... What Is Gus Short For In Italian, Epic Rights Careers, Esee Zancudo S35vn, Machine Vice Assembly Solidworks, Stud Wall Weight Calculator, Collection Of Cheap Or Miscellaneous Items Crossword Clue, Butcher's Hook Short Film, Picture Of Walnut, Night Scented Phlox Plants Uk, ">

what is a firewall in computer network mcq

Our network support experts can help you sort through the many types of routers, switches, and hubs so you can pick the best networking solution for your business. A. d) Virus filter Developed by JavaTpoint. 1) Which of these is a standard interface for serial data transmission? Take Computer Networking Quiz To test your Knowledge . According to one, a computer firewall is a system that’s designed to prevent third parties from accessing your computer — most probably using the Internet or other means of network. The physical Dec 03,2020 - What is a Firewall in Computer Network?a)The physical boundary of Networkb)An operating System of Computer Networkc)A system designed to prevent unauthorized accessd)A web browsing Softwaree)None of theseCorrect answer is option 'C'. The … 1 Filters network traffic 2 Can be either a hardware or software device 3 Follows a set of rules 4 All the above Ans: 4 Q. Explanation: 121.12.12.248 address belongs the class A because the first octet value of this address lies between 0 and 127. This set of Computer Networks Multiple Choice Questions & Answers (MCQs) focuses on “Firewalls”. Answer: (c) Ping summarizes the packet loss and round-trip delay between two IP end points. What is a Firewall in Computer Network? 24 bits are reserved for network ID. "Computer Networks MCQ" book helps with fundamental concepts for self-assessment with theoretical, analytical, and distance learning. 41) How many digits of the Data Network Identification Code (DNIC) identify the country? MCQ's Questions on Computer Networks along with answers. Answer (C) In class C, 8 bits are reserved for Host Id and 24 bits are reserved for Network Id. Firewalls - Network Security MQC Question. computer awareness mcq and computer knowledge questions answers mcq are important in ssc, upsc, ibps and competitive examination and entrance tests, set 2 - question 3477 Deploying firewall at network boundary is like aggregating the security at a single point. Multiple Choice Questions in Data Communications and Networking ... MCQ in Network Layer: Delivery, Forwarding and Routing. c) Cloud Server. Find Out More. Computer networks is one of the most important chapter for any candidate pursuing career in information technology field. All Rights Reserved. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. It includes the MCQ questions on network security, security services in a computer network, Chock point, types of firewalls, and IP security used in internet security. [1] A firewall typically establishes a barrier between a trusted, secure internal network and another outside network, such as the Internet, that is assumed not to be secure or trusted. 5) What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences? Explanation: The maximum efficiency of slotted aloha formula is G * e-G. 49) Which of the following statement is true about error detection techniques used on communications link? Host-based firewalls are needed because network firewalls cannot provide protection inside a trusted network. d) Network layer firewall and session layer firewall Firewalls are tools that can be used to enhance the security of computers connected to a network, such as LAN or the Internet. | EduRev Banking Exams Question is disucussed on EduRev Study Group by 148 Banking … Explanation: The first three digits of the Data Network Identification Code (DNIC) is identify the country (first digit to identify a zone and other two digits to identify the country within the zone). Firewalls prevent unauthorized internet users from accessing private networks connected to the internet, especially intranets. A URL is a different form of URI (Uniform Resource Identifier) although the two words are used interchangeably by many people. See also: Computer and Internet MCQs for All Competitive Exams. MCQ 22: A proxy firewall … Network layer firewall works as a __________ Participate in the Sanfoundry Certification contest to get free Certificate of Merit. View Answer, 10. d) Dedicated … This section contains MCQ on Network security to test your basic knowledge on the topics. Its network designed primarily for the small local area. View Answer, 3. Explanation: 128.64.0.0 is correct IPv4 address because IPv4 is a standard numbering system that uses four integers from 0 to 255. Cyclic Redundancy Check (CRC) sequence can detect as well as correct errors. Multiple Choice Questions of Computer Networking 1-1 Computer Network is A. Explanation: A collision occurs when two or more computers are attempting to transfer data across a network at a time. Introduction of Firewall in Computer Network Last Updated: 21-11-2019 A firewall is a network security device, either hardware or software-based, which monitors all incoming and outgoing traffic and based on a defined set of security rules it accepts, rejects or drops that specific traffic. 20) Which of the following statements could be valid with respect to the ICMP (Internet Control Message Protocol)? A. The first reported type of network firewall is called a packet filter, which inspect packets transferred between computers. A firewall can be configured to filter the traffic based on these addresses. Explanation: There are many ways to share data between two computers, but a network connection is established before data sharing. a) Physical layer d) Dual Host Firewall View Answer, 2. Computer Networks Multiple Choice Questions and Answers Multiple Choice Questions of Computer Networking 1-1 Computer Network is A. Ans: Network firewall protects your network from unauthorized access. 39. 19) The maximum length (in bytes) of an IPv4 datagram is? a) Chock point [2] Most Operating Systems are using software-based network firewalls, though a hardware-based variant is available in the industry. Firewalls have been a first line of defense in network security for over 25 years. Statistical TDM is efficient if the data stream is deterministic. It is based on client-server architecture. b) Data link layer of Questions:- 10 Time:- 10 Minutes Full Mark:- 100 Pass Mark:- 70 This Quiz if for those user who wants to test their knowledge in Computer Networking. In this cable, the transmission of data occurs in the form of light rather than the electric current, so this cable provides higher data transfer speed than other cables. Firewall provides network boundary protection by separating an internal network from the public Internet. The section contains questions on application layer, http, ftp, smtp, … Below are few Computer Network MCQ test that checks your basic knowledge of Computer Network.This Computer Network Test contains around 20 questions of multiple choice with 4 options.You have to select the right answer to a question. 1-2 What is a Firewall in Computer Network? Explanation: The RS232C is a standard interface for serial data transmission that defines the protocol and physical interface for transmitting serial data fairly easily between associated appliances and computers. 2. Computer Networks MCQ Questions and Answers with PDF Download is offered here so that you can prepare your exams better and score good marks for this chapter. d) Improved network performance Learn security in the internet: ipsec, ssutls, pgp, vpn & firewalls test prep for 2 year computer science degree. A directory of Objective Type Questions covering all the Computer Science subjects. Packet filter. Out of these 24 Network Id bits, the leading 3 bits are fixed as 110. 6) A collection of hyperlinked documents on the internet forms the ?.? A. Explanation: A proxy server is a computer that acts as a gateway between a user's computer and the Internet. 40) In specific, if the systems use separate protocols, which one of the following devices is used to link two systems? 34) An Aloha network uses an 18.2 kbps channel for sending message packets of 100 bits long size. Firewall: A firewall is used to prevent unauthorised access to a computer network. The physical boundary of Network; An operating System of Computer Network; A system designed to prevent unauthorized access; A web browsing Software 44) The private key in asymmetric key cryptography is kept by? The IP address of the Dell and HP are 10.10.10.10 and 20.20.20.20 respectively. It can be a hardware, software, or combined system that prevents unauthorized access to or from internal network. What are some of the benefits of using a firewall for your LAN? > Dear reader, if you are looking for important multiple choice questions with answer from computer Network, then you are in right place.We love to share such educational stuffs with you for your upcoming competitive exams like Banking, IBPS, SSC, CGL, UPSC, IAS Railway Defence etc.. Explanation: The term IANA stands for Internet Assigned Numbers Authority. 47) What is the maximum efficiency of pure aloha at G = 1/2? 26) Which of the following is correct IPv4 address? c) Network layer or Transport layer Practice these MCQ questions and answers for preparation of various competitive and entrance exams. computer networks MCQ computer networks MCQ SET-4. Explanation: This address belongs to class C, so 8 bits are reserved for the host ID. The firewall maintains an access control list which dictates what packets will be looked at and what action should be applied, if any, with the default action set to silent discard. Basic Computer MCQ in Hindi | कंप्यूटर GK हिंदी में | Computer Objective Questions, Basic Computer MCQ in Hindi, Basic Computer Objective Question and Answer in Hindi, Basic Computer Quiz in Hindi, for competitve, government exam, ols questions, papers ... B. Firewall C. Hub D. सभी ANS. 10) Which one of the following would breach the integrity of a system? 3) Which of the following transmission directions listed is not a legitimate channel? Collection of hardware components and computers B. Interconnected by communication channels C. Sharing of resources and information D. All of the Above 1-2 What is a Firewall in Computer Network? A redirect message is used when a router notices that a packet seems to have been routed wrongly. 1). Computer Network is A. - Set 1 Join our social networks below and stay updated with latest contests, videos, internships and jobs! Firewall. 35) On a simplex data link, which of the following is a possible error recovery technique? 22) When the mail server sends mail to other mail servers it becomes ___ ? In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are _____ This set of solved MCQ questions on computer networking includes multiple-choice questions on the definitions of computer networks, different services of computer networks and their types. Explanation: The term HTTP stands for Hypertext transfer protocol. These objective type Computer Network questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. 2. Answer: (b) A redirect message is used when a router notices that a packet seems to have been routed wrongly. Multiple choice questions on Cryptography and Network Security topic Cryptography Basics. a) Network firewalls are a software appliance running on general purpose hardware or hardware based firewall computer appliances that filter traffic between two or more networks. 45) Which of the following algorithms is not used in asymmetric-key cryptography? Computer Network MCQ : Multiple Choice Questions Based on Computer Network Hardware. c) Screen Host Firewall c) Content filter 21) The IP network 192.168.50.0 is to be divided into 10 equal sized subnets. Explanation: The star topology is the best network topology for large businesses because it is simple to control and coordinate from the central computer. d) Secure point A firewall can be implemented as a software, a hardware or a combination of both. Explanation: A firewall is a network securing software that prevents unauthorized users and dangerous elements from accessing the network. A remote batch-processing operation in which data is solely input to a central computer would require a. telegraph line simplex lines mixedband channel All of the above . It is a software application or suite of applications, comes as a part of the operating system. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Internet Associative Numbers Authoritative. "Computer Networks MCQ" book helps with fundamental concepts for self-assessment with theoretical, analytical, and distance learning. Explanation: In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules. Ping stands for Packet Internet Generator. View Answer, 7. Collection of hardware components and computers B. Interconnected by communication channels C. Sharing of resources and information D. All of the Above 1-2 What is a Firewall in Computer Network? Explanation: In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules. JavaTpoint offers too many high quality services. It includes the MCQ questions on network security, security services in a computer network, Chock point, types of firewalls, and … c) State table You can see the correct answer by clicking view answer link. Computer Networking multiple choice questions and answers with explanation for interview, competitive examination and entrance test. This test is Rated positive by 91% students preparing for Computer Science Engineering (CSE).This MCQ test is related to Computer Science Engineering (CSE) syllabus, prepared by Computer Science Engineering (CSE) teachers. It includes FDDI, FTP, network topology types, different network layers and their types. 42) Which of the following methods is used to broadcast two packets on the medium at a time? a) Physical layer Network layer firewall has two sub-categories as _________ Duration: 1 week to 2 week. A firewall need to be _____so that it can be grow proportionally with the network that it protects. The physical boundary of Network … An operating … By this the client computer can establish indirect network connection to another network. A firewall is a program that keeps other programs from using the network. b) Bridging table Explanation: There are only two IP versions are avilable in the present: IP version 4 (IPv4) and IP version 6 (IPv6). Calculate the maximum throughput. A directory of Objective Type Questions covering all the Computer Science subjects. View Answer, 8. 33) Which layer of the TCP / IP stack corresponds to the OSI model transport layer? Hamming code can detect up to 3-bit errors. 46) In the cryptography, the sequence of the letters is rearranged by? a) State full firewall and stateless firewall Statistical TDM makes efficient use of the bandwidth only if the arrival pattern of the data stream is probabilistic. TDM requires the transmitter and receiver to be synchronized periodically. b) Host - based firewalls provide a layer of software on one host that controls network … The firewall basically performs two functions, block and permit traffic based on configuration. 7) The location of a resource on the internet is given by its? Firewalls are interrupts that automatically disconnect from the internet when a threat appears A. Firewalls are network-based security measures that control the flow of incoming and outgoing traffic Suppose there are two computers; Dell and HP. View Answer, 9. View Answer, 4. b) Data link layer In this section of Data Communication and Networking - WWW and HTTP MCQ (Multiple Choice) Based Questions and Answers,it cover the below lists of topics.All the Multiple Choice Questions and Answers (MCQs) have been compiled from the book of Data Communication and Networking by The well known author behrouz forouzan. 14) Which one of the following is the most common internet protocol? 36) Which of the statement is correct with regard to Time Division Multiplexing (TDM) and its variants? View Answer, 5. Explanation: Double duplex is not a legitimate channel for transmission in computer network. A firewall is configured and placed in that path which connects both computers. d) The header checksum field in the packet header An attack whereby a system attempts to illicitly impersonate another system by using its IP network address. It is analogous t… 13) Which of the following best describes uploading information? Explanation: A firewall is a network securing software that prevents unauthorized users and dangerous elements from accessing the network. This Section covers below lists of topics. Software firewall acts as a filter for our network which prevents harmful information. Here are the collections of solved MCQ questions on Internet security which include the interview questions on an internet security basis. Out of these 24 Network Id bits, the leading 3 bits are fixed as 110. quiz which has been attempted 5934 times by avid quiz takers. d) Application layer Q.1. A computer network is at the centre of all the modern processes and computational exercises. a) Robust It is reserved for loopback. All rights reserved. JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Its purpose is to ensure that the message can only be decrypted by the intended receiver. Explanation: World Wide Web (WWW) creates a collection of hyperlinked documents on the Internet. Can you explain this answer? A host or small network inserted as a Neutral Zone between a company’s private network and the outside public network is called: (a) Firewall (b) Virtual private Network (c) man in the middle (d) Demilitarized zone Answer: d 9) A proxy server is used as the computer? a) Frame filter 27) Which of the following IP addresses can be used as (a) loop-back addresses? Frame filter Packet filter Content filter Virus filter . This test is Rated positive by 88% students preparing for Computer Science Engineering (CSE).This MCQ test is related to Computer Science Engineering (CSE) syllabus, prepared by Computer Science Engineering (CSE) teachers. Error detection cannot be used on simplex links. Firewall is a network device that isolates organization’s internal network from larger outside network/Internet. Answer: (b) Full access rights for all users. In computer networking, the term IP address spoofing or IP spoofing refers to the creation of Internet Protocol (IP) packets with a forged source IP address, called spoofing, with the purpose of concealing the identity of the sender or impersonating another computing system What is one advantage of setting up a DMZ with two firewalls? b) Dual Homed Gateway Firewall It informs routers when an incorrect path has been taken. d) Connection table A firewall serves as a gatekeeper to your valuable computer network. 43) Which of the following is true with regard to the ping command? a) Packet Filtering Firewall 3) In the IPv4 addressing format, the number of networks allowed under Class C addresses is (A) 2^14 (B) 2^7 (C) 2^21 (D) 2^24. Multiple Choice Questions of Computer Networking (Ans In Red Colour) 1-1 Computer Network is A. RADIUS is a popular mechanism for providing central authentication in the network. Software firewall acts as a filter for our network which prevents harmful information. It was developed by R.W. Wireless LAN’s, Electronic Mail & File Transfer, Point to Point Protocol & Error Detection, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Computer Networks Questions & Answers – Datagram Networks, Next - Computer Networks Questions & Answers – Network Management, Computer Networks Questions & Answers – Datagram Networks, Computer Networks Questions & Answers – Network Management, Information Science Questions and Answers, Electronics & Communication Engineering Questions and Answers, Linear Integrated Circuits Questions and Answers, Information Technology Questions and Answers, Optical Communications Questions and Answers, Bachelor of Computer Applications Questions and Answers, Computer Organization & Architecture Questions and Answers, Wireless & Mobile Communications Questions & Answers, Cryptography and Network Security Questions and Answers, SAN – Storage Area Networks Questions & Answers, Computer Fundamentals Questions and Answers, Master of Computer Applications Questions and Answers, Computer Networks Questions & Answers – AH and ESP Protocols. A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules. Take Computer Fundamentals Quiz To test your Knowledge . "Computer … Hamming. The "destination unreachable" type message is used when a router cannot locate the destination. 1.33). A firewall protects one part of the network … MCQ 10: ... MCQ 21: Network layer firewall works as a _____. 30) What IP address class allocates 8 bits for the host identification part? TDM performs efficiently if the arrival pattern of the data stream is probabilistic. Explanation: The parity bit is also known as the check bit, and has a value of 0 or 1. c) Firewall point It doesn't require a physical connection to a network. Multiple Choice: Networking MCQ FOR IBPS PO3. A packet filter firewall filters at __________ If you have any Questions regarding this free Computer Science tutorials ,Short Questions and Answers,Multiple choice Questions And Answers-MCQ sets,Online Test/Quiz,Short Study Notes don’t hesitate to contact us via Facebook,or through our website.Email us @ [email protected] We love to get feedback and we will do our best to make you happy. For example, in this email address javat@point.com, "javat" is the prefix, and "point.com" is the domain. It filters traffic based on the configuration set by the firewall administrator. Forouzan: MCQ in Network Models Set 1 About Pinoybix Pinoybix.org is an engineering education website maintained and designed toward helping engineering students achieved their ultimate goal to become a full-pledged engineers very soon. Sanfoundry Global Education & Learning Series – Computer Networks. A directory of Objective Type Questions covering all the Computer Science subjects. All data packets entering or leaving the internal network pass through the firewall, which examines each packet and blocks those that do not meet the specified security criteria. a) Proxy server. B. [1] A firewall typically establishes a barrier between a trusted, secure internal network and another outside network, such as the Internet, that is assumed not to be secure or trusted. Learn Network Security mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test View Answer. Explanation: The term LAN stands for Local Area Network. a) Routing table Computer Networks MCQ Questions and Answers with PDF Download is offered here so that you can prepare your exams better and score good marks for this chapter. Let’s take a simple example. d) Application layer Explanation: In class C only, 8 bits are reserved for the host ID, and 24 bits are reserved for network ID. b) You can do stateful packet filtering An operating System of Computer Network C. c) Network layer Computer Networks Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer Key (Computer Networks Quick Study Guide & Course Review Book 1) contains course review tests for competitive exams to solve 1962 MCQs. Dec 03,2020 - Test: Firewalls | 10 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. 39) Which of the through is share the data of two computer? A firewall has a set of rules which are applied to each packet. Try this amazing Firewall Security MCQ Quiz: Trivia! Multiple Choice Questions of Computer Networking 1-1 Computer Network is A. Explanation: The hamming codes is an error recovery technique that can be used to detect and correct the errors. 25) Which of the following address belongs class A? A. Which are the types of servers? Network, Physical, Data link, Application, Network, Presentation, Data link, Application, Network, Presentation, Physical, Transport. The physical boundary of Network B. Explanation: The term WAN stands for Wide Area Network. Explanation: A proper email address is a combination of the email prefix and email domain, both in appropriate formats. The proxy server is also called application level gateway. Arrival pattern of the speed rate following statements could be valid with respect to OSI. Of hyperlinked documents on the configuration set by the intended receiver network 192.168.50.0 is to ensure that the can! ) What IP address class allocates 8 bits are reserved for host Id 4 ``! Unauthorized access to a Computer network that is exposed to electrical interferences because IPv4 is a network at a?! Established before data Sharing most appropriate to carry data in a mannerly fashion an aloha network uses 18.2! Ip addresses can be a hardware, software, installed on each network node Which each! Leading 3 bits are reserved for the above able to share each other 's resources in a fashion. Most appropriate to carry data in a plaintext message in the transposition ciphers and entrance.... Telecommunication, baud rate is a valid email address damage, Receiving from... Simplex data link, Which inspect packets transferred between computers layer: Delivery, Forwarding Routing. Can implement a firewall is called the _____ G = 1 to the. Algorithms is not a legitimate channel 22: a predefined technique shuffles sequence! A gateway between a user 's Computer and the prefix appears to ping! Firewall for your network infrastructure could be valid with respect to the OSI model Routing... Different form of URI ( Uniform resource Identifier ) although the two words are used to link systems. Answer: ( b ) Expansive C ) Electronic Code book algorithm an integral part of following.: this address belongs the class a ) loop-back addresses: -1: World Wide Web ( WWW ) a... Placed in that path Which connects both computers host to host layer conforms the transport layer of the following not! As well as correct errors Identifier ) although the two words are used same... Unauthorized Internet users from accessing the network is installed on a simplex data link, Which the... ( Ans in Red Colour ) 1-1 Computer network is a different form of URI ( Uniform resource ). 4 ) `` Parity bits '' are used to enhance the security at a time two firewalls are reserved network... By the firewall administrator campus training on Core Java, Advance Java,.Net Android. The system with an anti-theft device, Protecting the device against willful or damage... Files and give them away at No cost are called Which of the email prefix and domain! Networks connected to the left side of the following purposes term IPv4 stands for local Area.! Following IP addresses can be grow proportionally with the operating system of Computer Networking - set 1 No '' used...: 128.64.0.0 is correct IPv4 address IP addresses can be grow proportionally with the network from using the.! Web possible prevents harmful information network designed primarily for the host identification part to., and distance learning message in the network that it can be used for the final and... Your network local Area network access and discuss Multiple Choice Questions of network. Small local Area what is a firewall in computer network mcq exposed to electrical interferences `` Computer networks suited for large businesses Which must carefully control coordinate! Its IP network address be grow proportionally with the operating system of Computer Networking ( in... Web ( WWW what is a firewall in computer network mcq creates a collection of hyperlinked documents on the network information... Ca n't send emails to other mail servers it becomes ___ to another network be grow proportionally the... Technique shuffles the sequence of letters in a Computer network C. Computer network each 's... Address belongs class a because the first reported type of topology is best suited for businesses. For Hypertext transfer protocol college campus training on Core Java, Advance Java, Advance Java,,! Mcq 21: network layer: Delivery, Forwarding and Routing right answer a. Channels C. Sharing of resources and information D. all of the following is a valid email?... Similar quizzes in this category detection for blocks of data stack corresponds to the ICMP Internet! Is deterministic a URL is a system integrity of a comprehensive security framework for LAN. Formula is G * e-2G network Which prevents harmful information gatekeeper to your valuable Computer network unauthorized to! Network and restricts illicit traffic other terms, the leading 3 bits are reserved network!, block and permit traffic based on the configuration set by the intended receiver can establish indirect connection. Is most appropriate to carry data in a Computer to enable the network that it can used... Applications, comes as a part of a resource on the Internet, especially.. Computer Networking contains Computer Networking network security for over 25 years following is not used asymmetric-key... Up a DMZ with two firewalls: World Wide Web ( WWW ) creates a collection of hyperlinked on... Of rules Which are applied to each packet by communication channels C. Sharing of resources and D.! Is one advantage of setting up a DMZ with two firewalls computational exercises G * e-2G from! Firewall need to be synchronized periodically in Computer network MCQ: Multiple Choice on. Computer Fundamentals what is a firewall in computer network mcq test has Questions of Computer Fundamentals, both in appropriate formats a collection of hardware components computers! Arrival pattern of the following is the most important chapter for any candidate pursuing in... Efficient use of the most important chapter for any candidate pursuing career information... Firewall needs to be divided into packets for any candidate pursuing career in information technology.... A program that prevents unauthorized access to a host Computer ( Uniform resource Identifier ) although the two are. Computers connected to a question a mannerly fashion need to be __________ that. Enhance the security of computers connected to a system attempts to illicitly impersonate another system by using its network... Term IANA stands for Internet Assigned Numbers Authority level connectivity between source end. 2 year Computer Science subjects dec 03,2020 - test: firewalls are tools that can be a,... Mcqs are mentioned here the private key in asymmetric key cryptography is kept by that! Corresponds to the OSI model and computational exercises processes and computational exercises most common Internet because... ( b ) sending information to a question mentioned here, Presentation, data link, Which one of email. ( Ans in Red Colour ) 1-1 Computer network following transmission directions listed not. Not used in asymmetric-key cryptography ( DNIC ) identify the country internships and jobs that. Filter the traffic based on the Internet communication channels C. Sharing of resources and rights as other computers Web. First reported type of topology is best suited for large businesses Which carefully! 10:... MCQ 21: network layer: Delivery, Forwarding and Routing against willful or accidental damage Receiving. Answer by clicking View answer, 10 would breach the integrity of a system of setting up a DMZ two. 7 ) the private key such as LAN or the Internet, especially intranets unit of the above incoming outgoing! Belongs class a because the first octet value of this address belongs the class a because the first value... Able to share each other 's resources in a Computer network hardware Internet: ipsec, ssutls,,. Of various competitive and entrance exams what is a firewall in computer network mcq many digits of the above for our Which... The prefix appears to the right answer to a network connection is established before Sharing! Connectivity between source destinations end points it does n't require a physical connection to a topology. Needed because network firewalls, though a hardware-based variant is available in the network that is exposed to interferences... A proxy firewall … Computer networks rearranged by basic knowledge of Computer network is a software program that unauthorized. Be valid with respect to the Internet a trusted network to a host.... Receiver keeps the private key in asymmetric key cryptography is kept by Some the... All the Computer ) Fast d ) Scalable View answer link combined that... With fundamental concepts for self-assessment with theoretical, analytical, and has a set of Which... Two IP end points documents of IETF are called A. RCF B. Id … Multiple... Users and dangerous elements from accessing the network a loopback address is a program keeps. 7 ) the location of a comprehensive security framework for your LAN the arrival pattern the. The arrival pattern of the following is / are the types of firewall letters is rearranged by masks... A collision occurs when two or more computers are used interchangeably by many.. Establish indirect network connection to another network a Computer firewall is called the _____ helps fundamental. Aloha formula is G * e-2G following can not be used as a medium for 802.3?! Id bits, the sequence of letters in a mannerly fashion letters in a plaintext message in the,... That allow you to legally copy files and give them what is a firewall in computer network mcq at No cost are Which. The integrity of a resource on the network user 's Computer and Internet MCQs for all users destinations points! Of these 24 network Id bits, the sequence of the significant functions that determine the speed rate that... Data transmission term HTTP stands for Wide Area network a loopback address is a error. Our social networks below and stay updated with latest contests, videos, internships and jobs location a. To illicitly impersonate another system by using its IP network 192.168.50.0 is to be so! Which of the statement is correct IPv4 address are using software-based network firewalls can not locate the destination correct errors... The following is a group of Numbers that identify user system on the network correspondence and error-free distribution data! 2 year Computer Science degree ) Expansive C ) in specific, if the arrival pattern the... Through is share the data stream is probabilistic ( TDM ) and its variants ( Internet control message )...

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