In this tutorial we have covered most important questions asked in semester exam from unit and topic Medium Access sub-layer (Data Link Layer).
- What is ALOHA? Explain pure ALOHA and slotted ALOHA.
- What do you mean by channel allocation? Explain.
- What do you mean by Manchester? Sketch the Manchester and differential Manchester for bit stream:0001110101.
- Write a short note on carrier sense multiple access(CSMA).
- Discuss the carrier sense protocol. How it is differ from collision free protocol.
- Explain the concept of FDDI. How FDDI ring can be used as a backbone to connect LAN’s and computers? Also , Discuss FDDI cabling in Brief.
- What is IEEE 802.3 standard? Explain.
- What is IEEE 802.4 standard? Explain.
- What is IEEE 802.5 token ring? Explain.
- Give the Frame format of FDDI.
- Briefly explain the sliding window protocol.
- What is piggybacking ? Explain.
- Write a note on Stop and Wait protocol. Also State drawbacks of stop and wait protocol.
- Describe with the help of suitable diagram the go-back-N continuous ARQ error control scheme.
- What is sliding window (ARQ)? Describe with the help of diagram the go-back-N continuous ARQ error control scheme.
- What is error? Explain different type of error.
- Explain different error detection techniques.
- What is hamming code? Explain its working by suitable example.