This set of MCQ questions on computer networking includes the collections of objective types questions on fundamental of computer networking. It includes MCQ questions on different types of protocols used in TCP/IP and the layers of TCP/IP protocol used in computer networking along with their answers.

1. A network that needs human beings to manually route signals is called….

A) Fiber Optic Network         B) Bus Network

C) T-switched network           D) Ring network

2. TCP/IP …………….. layer corresponds to the OSI models to three layers.

A) Application           B) Presentation

C) Session                 D) Transport

3. Which of the transport layer protocols is connection-less?

A) UDP                      B) TCP

C) FTP                       D) Nvt

4. Which of the following applications allows a user to access and change remote files without actual transfer?

A) DNS                     B) FTP

C) NFS                     D) Telnet

5. The data unit in the TCP/IP data link layer called a …..

A) Message             B) Segment

C) Datagram           D) Frame

6. DNS can obtain the …………….. of host if its domain name is known and vice versa.

A) Station address       B) IP address

C) Port address            D) Checksum

7. Which of the following OSI layers correspond to TCP/IP’s application layer?

A) Application           B) Presentation

C) Session                 D) All of the above

8. Devices on one network can communicate with devices on another network via a …….

A) File Server            B) Utility Server

C) Printer Server        D) Gateway

9. A communication device that combines transmissions from several I/O devices into one line is a

A) Concentration         B) Modifier

C) Multiplexer           D) Full duplex file

10. Which layers of the OSI determines the interface often system with the user?

A) Network              B) Application

C) Data link             D) Session

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11. Which of the following of the TCP/IP protocols is the used for transferring files from one machine to another?

A) FTP                C) SNMP

B) SMTP             D) Rpe

12. In which OSI layers does the FDDI protocol operate?

A) Physical        B) Data link

C) Network       D) A and B

13. In FDDI, data normally travel on ………………

A) The primary ring            B) The Secondary ring

C) Both rings                     D) Neither ring

14. The …………layer of OSI model can use the trailer of the frame for error detection.

A) Physical                 B) Data link

C) Transport               D) Presentation

15. In a …………….topology, if there are n devices in a network, each device has n-1 ports for cables.

A) Mesh                  B) Star

C) Bus                     D) Ring

16. Another name for Usenet is

A) Gopher            B) Newsgroups

C) Browser           D) CERN

17. The standard suit of protocols used by the Internet, Intranets, extra-nets and some other networks.

A) TCP/IP               B) Protocol

C) Open system      D) Internet work processor

18. State whether the following is True or False.

i) In bus topology, heavy Network traffic slows down the bus speed.

ii) It is multi-point configuration.

A) True, True           B) True, False

C) False, True         D) False, False

19. Which of the following is the logical topology?

A) Bus                    B) Tree

C) Star                   D) Both A and B

20. Which of the following is/ are the drawbacks of Ring Topology?

A) Failure of one computer, can affect the whole network

B) Adding or removing the computers disturbs the network activity.

C) If the central hub fails, the whole network fails to operate.

D) Both of A and B

Answers:

1. C) T-switched network
2. A) Application
3. A) UDP
4. C) NFS
5. D) Frame
6. B) IP address
7. D) All of the above
8. D) Gateway
9. C) Multiplexer
10. B) Application
11. A) FTP
12. D) A and B
13. A) The primary ring
14. B) Data link
15. A) Mesh
16. B) Newsgroups
17. A) TCP/IP
18. A) True, True
19. C) Bus
20. D) Both of A and B

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