What are the security considerations of WWW? Discuss the use of SSL and S-HTTP for web security.

What are the Basic types of errors during data transmission, explain with the help of an example.

Explain the concept of Digital-to-Digital encoding. Sketch the Differential Manchester coding and RƵ encoding of the following bit stream:

Explain the IEEE 802.11 protocol stack with the help of diagrams.

What are the security considerations of WWW? Discuss the use of SSL and S-HTTP for web security.

Explain the ALOHA and Slotted ALOHA. Also, derive the expression for computing the throughput for ALOHA and Slotted ALOHA. How does throughout change with load in ALOHA? Explain with the help of a diagram.

Explain how digital signatures are used in the context of network security. What are the uses of digital signatures?

What is the purpose of Routing algorithms? Explain the link state routing algorithm with the help of an example.