Assignment 3-Data Link Layer

ASSIGNMENT 3 - COMPUTER NETWORK

DATA LINK LAYER 

1. Explain Data Link Layer with its functions in detail.
2. What is Framing ? Discuss various methods of Framing . Also draw structure of Frame.
3. What is Flow Control and Piggybacking ? Explain various protocols for Flow Control.
4. What are the various methods of Error Detection ? Explain Single bit Parity checking in detail.
5. A bit stream 1101011011 is transmitted using the standard CRC method. The generator polynomial is x⁴+x+1. What is the actual bit string transmitted?
6. What is Channel Allocation Problem?
7. Explain Random Access Protocol( ALOHA ,SLOTTED ALOHA, CSMA nd CSMA/CD, CSMA/CA) in detail.
8. Explain Controlled Access protocol(RESERVATION, POLLING AND TOKEN RING) in detail.
9. Explain Channelization Protocols (EDMA, CDMA, TDMA)  in detail.
10. Write short notes on : 

1. HDLC
2. PPP
3. FDDI