CS601 Final Term Topics 124-204

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. Data link layer receives services from the _ layer · Physical…..confirm

3. The message 110 sent by a source is received by a destination as 111. This is ________ type of error.

Single-bit

4. In order to resolve link layer address of the next mode, the first generated ARP request is always in _____ mode

Unicast

5. High level data link control defines _ types of frames to deal with the transfer modes

Three …..confirm

6. In __________, each station is forced to send only at the beginning of the time slot.
7. 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

8. 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
9. Payload field of the PPP frame is of variable size and it can carry maximum data up to __________.

1500 bytes…confrim

10. PAP and CHAP are used by __ as Authentication Protocols.
11. In each character protocol each character of frame is encoded using ____ coding system .

Bit-oreinted

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

Multiple-access protocol/……confirm

Q13. The orginal Etherrnet technology with the data rate of 10 MBps is called______?

Standard Ethernet….confirm · 14. ________ uses fiber-optic cable · 10base-F….confirm

15. One of the most common protocols for point-to-point access is _______.
16. __________ is an Authentication Protocol, which uses two-step process to authenticate user information.

PAP……confirm

17. 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

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

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

Both flow and error control……confirm

20. In____ type of error, two or more bits in the data unit will be changed

Burst….confirm

21. In hexadecimal notation of Ethernet address, each byte is separated by _______ symbol.

Colon….confirm

22. In a linear block code, the _______ of any two valid codewords creates another valid codeword.
23. In the ______ method, the stations in a network are organized in a logical ring.

Token-passing….confirm

Q24. Which one of the following is not a Channelization Protocol?

CSMA……confirm

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