Computer Networking
Which of the following communications lines is best suited to interactive processing applications?

None of these
full-duplex lines
narrowband channels
simplex lines
mixed band channels

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Why does the data communication industry use the layered OSI reference model?1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.4. It encourages industry standardization by defining what functions occur at each layer of the model.

1 and 4
2 and 3
1 only
3 only

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The main difference between TCP and UDP is

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

ANSWER DOWNLOAD EXAMIANS APP