CS601 Quiz 2 Solution Fall 2022

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1. In _____ each station is allocated a time slot during which it can send data TDMA…….confirm 2. PAP and CHAP are used by __ as Authentication Protocols.

PPP……confirm

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

4. IN MAC, when nodes use a multi­point or broadcast link, we need a _________ to coordinate access to the link.

Multiple­access protocol/……confirm

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

6.

________ uses fiber­optic cable

10base­F….confirm

7. One of the most common protocols for point­to­point access is _______.

PPP……confirm

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8. __________ is an Authentication Protocol, which uses two­step process to authenticate user information.

PAP……confirm

9. 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
10. For carrier sense Multiple Access/Collision Detection (CSMA/CD), we need a restriction on the Collision size….confirm

11. Stop­and­Wait protocol is used for _________. Both flow and error control……confirm

12. In hexadecimal notation of Ethernet address, each byte is separated by _______ symbol. Colon….confirm
13. In a linear block code, the _______ of any two valid codewords creates another valid codeword.

14.

15. In the ______ method, the stations in a network are organized in a logical ring. Token­passing….confirm

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

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

28….confirm

18. If we need to correct a single error in an 8­bit data unit, we need to consider _____ possible error

locations

16…..confirm

19. In _______ each station sends a frame whenever it has a frame to send. Slotted ALoHA…..confirm
20. ________ is the process of converting digital data to digital signals. Line coding…..confirm

21. In case of higher data rate, the number of impacted bits will be ________. Higher

22. In _ protocol, the sender sends one frame at a time and wants for an acknowledgment before sending the next one.

Stop­and­wait

23. In block coding we divide our message into blocks of K bits called as _____. Data words….confirm

24. CDMA stands for ________. Code division Multiple Access…..confirm

25. ____ is not a function of data link control. Modulation…..confirm

26. CHAP is an Authentication Protocol, which uses ______ process to authenticate user information. Three­way……confirm from net
27. In the context of Ethernet address, the source address is always a ______ address. Unicast…confirm
28. In the context of Ethernet address, the destination address is always a ______ address. Unicast, multicast, broadcast….confirm
29. __________ transmission technology (based on Ethernet) provides a data rate of 1 billion bits per