Data Communication and Computer Networks

Define Computer Network.

What are the different types of network topologies?

Define Bandwidth.

What is the purpose of the OSI model?

Define Modulation.

What is the difference between Half-duplex and Full-duplex?

Define Framing.

What is the purpose of the ARP protocol?

Define IP Address.

What is a Firewall?

Explain the various components of data communication.

Describe the layers of the TCP/IP protocol suite.

Explain the different types of transmission media.

Discuss the various error detection techniques (CRC, Checksum).

Explain the concept of Flow Control (Stop-and-wait, Sliding window).

Describe the working of the CSMA/CD protocol.

Explain the differences between IPv4 and IPv6.

(a) Discuss the OSI reference model in detail. (b) Explain the functions of each layer.

Describe the various routing algorithms (Distance Vector, Link State).

Explain the concept of Congestion Control in computer networks.

Discuss the various network security protocols (SSL, IPsec).

Explain the working of DNS (Domain Name System) and HTTP (Hypertext Transfer Protocol).