CS601 Quiz 2

CS601 quiz 2 2022 · Topic 124 to 204 · ORANGE MONEY TEAM · Instruction:

It is to inform you that the Quiz No 2 of CS601 - Data Communications will be held on 8th to 10th March, 2022.

The quiz will consist of M.C.Q based questions from the content covered

in Week/Lecture 9 to Week /Lecture 14 OR Topic 124 to 204.

1. In _____ each station is allocated a time slot during which it can send data TDMA…….confirm
2. The message 110 sent by a source is received by a destination as 111. This is ________ type of error.

Single-bit

3. High level data link control defines _ types of frames to deal with the transfer modes Three …..confirm
4. In __________, each station is forced to send only at the beginning of the time slot.
5. If we increase the data rate of a transmission over noisy channel, fixed noise duration will cause ___ number of bits being impacted by the noise. Less
6. If we decrease the data rate of a transmission over noisy channel, fixed noise duration will cause ___ number of bits being impacted by the noise. More
7. Payload field of the PPP frame is of variable size and it can carry maximum data up to __________.

1500 bytes…confrim

8. PAP and CHAP are used by __ as Authentication Protocols. PPP……confirm

9. In each character protocol each character of frame is encoded using ____ coding system .

Bit-oreinted

10. IN MAC, when nodes use a multi-point or broadcast link, we need a _________ to coordinate access to the link.

Multiple-access protocol/……confirm

11. The orginal Etherrnet technology with the data rate of 10 MBps is called______? Standard Ethernet….confirm

12. ________ uses fiber-optic cable 10base-F….confirm

13. One of the most common protocols for point-to-point access is _______. PPP……confirm

14. __________ is an Authentication Protocol, which uses two-step process to authenticate user information. PAP……confirm
15. If duration of noise is decreased during a transmission over noisy channel, fixed data rate of the channel will cause _______ number of bits being impacted by the noise

More…..confirm

16. For carrier sense Multiple Access/Collision Detection (CSMA/CD), we need a

17. Stop-and-Wait protocol is used for _________.

Both flow and error control……confirm

18. In____ type of error, two or more bits in the data unit will be changed Burst….confirm
19. In hexadecimal notation of Ethernet address, each byte is separated by _______ symbol.

Colon….confirm

20. In a linear block code, the _______ of any two valid codewords creates another valid codeword.
21. In the ______ method, the stations in a network are organized in a logical ring. Token-passing….confirm

22. Which one of the following is not a Channelization Protocol? CSMA……confirm

23. In order to find the location of two errors in an eight bit stream, we have to see ________ different combinations. 28….confirm