Computer Communication Networks
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350+ questions on computer communications.

Computer Communication Networks
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25 Questions

1. A __________ is a device that forwards packets between networks by processing the routing information included in the packet.
2. A set of standards that define how to communicate with each layer of the OSI model are ___.
3. Which packet is NOT an OSPF packet type?
4. An OSPF router receives an LSA, the router checks its sequence number, and this number matches the sequence number of the LSA that the receiving router already has. What does the receiving router do with the LSA?
5. __________ augments the CSMA algorithm to detect collision
6. Two devices are in network if __________
7. Which is more efficient?
8. An OSPF router receives an LSA. The router checks its sequence number and finds that this number is lower than the sequence number it already has. What does the router do with the LSA?
9. The maximum throughput for pure ALOHA is ________ per cent.
10. The outcome of Dijkstra's calculation is used to populate the __________
11. TCP, FTP, Telnet, SMTP, POP etc. are examples of ___________
12. In TDM, the transmission rate of a multiplexed path is always _______ the sum of the transmission rates of the signal sources.
13. In _______, the stations share the bandwidth of the channel in time.
14. hich is the layer that converts Packets to Frames and Frames to Packets in the OSI model?
15. In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is _________
16. The URL Connection class can be used to read and write data to the specified resource that is referred by the URL.
17. In classless addressing, there are no classes but addresses are still granted in ______
18. What is the max data transfer rate for optical fiber cable?
19. HDLC inserts a redundant 0 bit after the _______ consecutive 1 bit in the message data.
20. This layer in an addition to OSI model
21. Which of the following is not correct in relation to multi-destination routing?
22. In TDM, slots are further divided into __________
23. In the OSI model, each layer gives services or data to the __ layer.
24. Which of the following layers is an addition to OSI model when compared with TCP IP model?
25. The functionalities of presentation layer includes

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