Q.1.The main difference between TCP and UDP is
a.UDP is connection oriented where as TCP is datagram service
b.TCP is an Internet protocol where as UDP is an ATM protocol
c.UDP is a datagram where as TCP is a connection oriented service
d.All of the above
Answer:c
Q.2.What operates in the Data Link and the Network layer?
a. NIC
b. Bridge
c. Brouter
d. Router
Answer: c
Q.3. What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions?
a. E-mail
b. Bulletin board system (BBS)
c. Teleconferencing
d. Videoconferencing
Answer: b
Q.4.Which of the following statement is incorrect?
a. The CCITT Recommendation X.25...