Computer Networking
A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as

Amplitude modulation
modem
None of these
Aloha
Angle modulation

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
What is the purpose of Spanning Tree Protocol in a switched LAN?

To create collision domains
To manage the VLAN database across multiple switches
To prevent routing loops in networks with redundant paths
To prevent switching loops in networks with redundant switched paths
To provide a mechanism for network monitoring in switched environments

ANSWER DOWNLOAD EXAMIANS APP