Computer Networking
The Internet Control Message Protocol (ICMP)

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

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
You are connecting your access point and it is set to root. What does Extended Service Set ID mean?

That you have multiple access points, but they are placed physically in different buildings.
That you have more than one access point and they are in the same SSID connected by a distribution system.
That you have multiple access points, but one is a repeater access point.
That you have more than one access point and they are in separate SSIDs connected by a distribution system.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Computer Networking