Computer Networking
HDLC (High-level Data Link Control) is

a method of determining which device has access to the transmission medium at any time
network access standard for connecting stations to a circuit-switched network
a very common bit-oriented data link protocol issued by ISO.
a method access control technique for multiple-access transmission media
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The main difference between TCP and UDP is

All of these
None of these
TCP is an Internet protocol where as UDP is an ATM protocol
UDP is connection oriented where as TCP is datagram service
UDP is a datagram where as TCP is a connection oriented service

ANSWER DOWNLOAD EXAMIANS APP