COMPUTER NETWORKS IMP QUESTIONS
UNIT-1:
- What are LAN, MAN, and WAN? Explain their differences with examples.
- Describe the TCP/IP model and explain each of its layers in detail.
- What is the OSI model? Explain each layer and its functions.
- Compare and contrast guided media and unguided media. Provide examples for each.
UNIT-2:
- What is the Go-Back-N protocol? How does it work?
- Explain the Selective Repeat protocol and how it differs from Go-Back-N.
- Describe the Point-to-Point Protocol (PPP) and its working.
- What are the different techniques for error detection and error correction in networks?
- Explain framing in the Data Link Layer. How does it help in error detection?
UNIT-3:
- Compare FDMA, CDMA, and TDMA. Discuss their advantages and disadvantages.
- What are the different types of Ethernet standards (e.g., 10BASE-T, 100BASE-T, etc.)?
- Explain the differences between ALOHA and CSMA (Carrier Sense Multiple Access).
- What are the advantages and limitations of Ethernet as a LAN technology?
UNIT-4:
- Compare IPv4 and IPv6. What are the key differences between the two protocols?
- Explain the Transport Layer and its functions in the OSI model.
- What is the difference between virtual circuit networks and datagram networks?
- Discuss various congestion control algorithms and traffic control algorithms.
- What are the different routing algorithms used in computer networks? Explain one in detail.
UNIT-5:
- Compare TCP and UDP. Discuss the features, advantages, and disadvantages of both.
- Explain the concepts of error control and flow control in TCP. How are they implemented?
- What is DNS (Domain Name System)? Explain its working and its significance.
- Compare HTTP and TELNET. What are the key differences between these two protocols?
- What is SNMP (Simple Network Management Protocol)? Explain its components and functions.