1) Describe about error correction using Hamming code in detail.

2) Describe HDLC and describe it in detail.

3)a) Given a 10 bit sequence 1010011110 and divisor of 1011 find the CRC. Test the answer

b) Bit stuff the data given below:

i. 0001111110111110011110011111001

ii. 00011111111111111111111111111111111110011111001

4) What do you mean by IEEE 802.3? prepare down the types of Ethernet? Describe.

5) Sketch the sender and receiver window for a system given below using Go Back N ARQ and selective repeat ARQ:

a) Frame 0 is sent, frame 0 is acknowledged

b) Frames 1 and 2 are sent, frames 1 and 2 are acknowledged

c) Frames 3, 4 and 5 are sent; frame 4 is acknowledged; timer for frame 5 expired. Frames 5, 6 and 7 are sent; frames 4 through 7 are acknowledged

6) Describe Token Bus and Token Ring networks in detail.

7) What do you mean by FDDI and its needs in detail?

8) What do you mean by SONET?