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Total Questions: 20
1. Which protocol below operates at the network layer in the OSI model?
Correct Answer is : All of the above
2. A packet whose destination is outside the local TCP/IP network segment is sent to the
Correct Answer is : Default gateway
3. Why was the OSI model developed?
Correct Answer is : standards were needed to allow any two systems to communicate
4. Which piece of information is not vital for a computer in a TCP/IP network?
Correct Answer is : DNS server
5. The physical layer is concerned with the movement of _______ over the physical medium.
Correct Answer is : bits
6. Which of the following is true with respect to TCP
Correct Answer is : All of the mentioned
7. In TCP, sending and receiving data is done as
Correct Answer is : Stream of bytes
8. TCP process may not write and read data at the same speed. So we need __________ for storage.
Correct Answer is : Buffers
9. TCP groups a number of bytes together into a packet called
Correct Answer is : Segment
10. Communication offered by TCP is
Correct Answer is : Full-duplex
11. To achieve reliable transport in TCP, ___________ is used to check the safe and sound arrival of data.
Correct Answer is : Acknowledgment
12. In segment header, sequence number and acknowledgement number field refers to
Correct Answer is : Byte number
13. Suppose a TCP connection is transferring a file of 1000 bytes. The first byte is numbered 10001. What is the sequence number of the segment if all data is sent in only one segment.
Correct Answer is : 10001
14. Bytes of data being transferred in each connection are numbered by TCP. These numbers starts with a
Correct Answer is : Sequence of zero’s and one’s
15. The value of acknowledgement field in a segment defines
Correct Answer is : Number of next bytes to receive
16. The receiver of the data controls the amount of data that are to be sent by the sender is referred as ___________
Correct Answer is : Flow control
17. Size of TCP segment header ranges between ___________
Correct Answer is : 20 and 60 bytes
18. Connection establishment in TCP is done by which mechanism?
Correct Answer is : Three-Way Handshaking
19. The server program tells its TCP that it is ready to accept a connection. This process is called ___________
Correct Answer is : Passive open
20. The process of, A client that wishes to connect to an open server tells its TCP that it needs to be connected to that particular server is ___________
Correct Answer is : Active open
