Computer Networking
The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?

A logical address that identifies the workstation
A physical address that is randomly assigned each time the computer is started
The logical domain address for the workstation
A physical address that is assigned by the manufacturer
An alias for the computer name

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

"Line echo" occurs due to the impedance of the cable
Network collisions occur
Cable terminators do not absorb the signal properly
Repeaters cannot increase the signal strength sufficiently
Cable terminators do not reflect the signal properly

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
What is the purpose of flow control?

To reassemble segments in the correct order at the destination device.
To provide a means for the receiver to govern the amount of data sent by the sender.
To regulate the size of each segment.
To ensure that data is retransmitted if an acknowledgment is not received.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Computer Networking