Computer Network Test COPA

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Test 7 COPA

1. How many layers does OSI Reference Model has?

A. 4 B. 5 C. 6 D. 7

2. DHCP is the abbreviation of

A. Dynamic Host Control Protocol B. Dynamic Host Configuration Protocol
C. Dynamic Hyper Control Protocol D. Dynamic HyperConfiguration Protocol

3.DNS is the abbreviation of

A. Dynamic Name System B. Dynamic Network System
C. Domain Name System D. Domain Network Service

4.What is the meaning of Bandwidth in Network?

A. Transmission capacity of a communication channels
B. Connected Computers in the Network
C. Class of IP used in Network D. None of Above

5. ADSL is the abbreviation of

A. Asymmetric Dual Subscriber Line B. Asymmetric Digital System Line
C. Asymmetric Dual System Line D. Asymmetric Digital Subscriber Line

6. What is the use of Bridge in Network?

A. to connect LANs B. to separate LANs
C. to control Network Speed D. All of the above

7. Router operates in which layer of OSI Reference Model?

A. Layer 1 (Physical Layer) B. Layer 3 (Network Layer)
C. Layer 4 (Transport Layer) D. Layer 7 (Application Layer)

8. Computer Network is

A. Collection of hardware components and computers
B. Interconnected by communication channels
C. Sharing of resources and information D. All of the Above

9. What is a Firewall in Computer Network?
A. The physical boundary of Network
B. An operating System of Computer Network
C. A system designed to prevent unauthorized access
D. A web browsing Software

10. Which of following provides reliable communication?
A. TCP B. IP
C. UDP D. All of the above

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11. What does Router do in a network?
A. Forwards a packet to all outgoing links
B. Forwards a packet to the next free outgoing link
C. Determines on which outing link a packet is to be forwarded
D. Forwards a packet to all outgoing links except the originated link

13. What is the uses of subnetting?
A. It divides one large network into several smaller ones
B. It divides network into network classes

C. It speeds up the speed of network

D. None of above

14. Repeater operates in which layer of the OSI model?
A. Physical layer B. Data link layer C. Network layer D. Transport layer

15 Which one of the following is not a network topology?

A.Star B.Ring C.Bus D.Peer to Peer

16. The term WAN stands for?

A. Wide Area Net B. Wide Access Network C. Wide Area Network D. Wide Access Net

17. How many versions available of IP?

A.6 B. 2 C.1 D.4

18. The term IPv4 stands for?

A. Internet Protocol Version 4 B.Internet Programming Version 4

C.International Programming Version 4 C.None of these

19. Which of the through is share the data of two computer?

A. Library B.Network C.Grouping D.Integrated system

20. What is the uses of subnetting?

1.It divides one large network into several smaller ones

2.It divides network into network classes

3.It speeds up the speed of network 4.None of above

21.IPV4 Address is

A. 8 bit B. 16 bit C. 32 bit D. 64 bit

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