Question 1) Write brief notes on:
(a) What is the role of DNS?
(b) What is the meaning of Socket?
(c) What are the applications of Transport layer in OSI model?
(d) What do you mean by SLIP?
(e) Write down the difference between analog and digital signals.
(f) What is the meaning of SMTP?
(g) Describe the star, bus and ring topology of LAN.
(h) Define push feature of TCP.
(i) Compare the advantages and disadvantages of baseband and broadband transmission.
(j) Why CSMA/CA cannot used in wireless network?
Question 2) Describe the difference between message switching and frame relay.
Question 3) What is the difference between guided and unguided transmission media? Explain the guided transmission media and its advantages over unguided media.
Question 4) What is meaning of error control and its types? Explain in detail.
Question 5) What do you mean by FDDI? Describe its working and applications.
Question 6) What is Routers explain its working and applications?
Question 7)(a) What is error detection. Describe CRC in detail with the help of example.
(b) Describe the sliding window flow control in Detail.
Question 8) Write down the advantages of UDP over TCP. Explain how TCP is encapsulated in an IP datagram.
Question 9) Write a brief note on the following:
i) Bridges.
ii) HDLC and SDLC
iii) ARP and RARP protocol