Computer Networking
The Internet Control Message Protocol (ICMP)

provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
All of these
allows gateways to send error a control messages to other gateways or hosts
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

cannot talk at once
can send or receive data one at a time
can do one way data transmission only
can receive and send data simultaneously
None of these

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Computer Networking