Computer Networks Quiz
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Computer Networks Quiz
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25 Questions

1. uw-sink is a node referred as a
2. A network that requires human intervention of route signals is called a ______
3. Expand the MAC Layer
4. Which of the following divides the high speed signal into frequency bands?
5. Each end office has a number of outgoing lines to one or more nearby switching canters called ______
6. A modem that is attached to the telephone system by jamming the phone,s handset into two flexible receptacles in the coupler
7. The simultaneous transmission of data to a number of stations is known as ____________
8. When was Modem invented and in which country?
9. The most flexibility in how devices are __________ together is provided by bus topology.
10. Do all under sea earthquakes trigger a tsunami?
11. Protocols in which the sender sends one frame and then waits for an acknowledgement before proceeding are called __________
12. Which layer of OSI model is responsible for creating and recognizing frame boundaries?
13. Ad-hoc networks are also called as ____________
14. In a noisy environment, the best transmission medium would be _________
15. Which multiple access technique is used by standard for wireless LAN?
16. As a data packet moves from the lower to the upper layers, headers are _____
17. UW-A is meant for---------
18. When a packet with the code is transmitted, it is received and processed by every machine on the network. This mode of operation is called
19. The data link layer takes the packet it gets from the network layer and encapsulates them into ___________
20. What protects the coaxial cable from noise?
21. Network of networks is known as _________
22. In OSI reference model, which of the following layer provides error-free delivery of data?
23. A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as _________
24. In fiber optics,the signal source is ______ waves.
25. What is the maximum length of STP?

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