Computer Networking
Modulation is the process of

converting digital signals to analog signals
performing data encryption.
converting analog signals to digital signals
Multiplexing various signals into high speed line signals

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Computer Networking
Demodulation is a process of

converting digital to analog signals
performing data description.
converting analog to digital signals
multiplexing various signals into one high speed line signals

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Computer Networking
You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches?

The routing tables on the switches will not update.
Broadcast storms will occur on the switched network.
The MAC forward/filter table will not update on the switch.
The switches will automatically load-balance between the two links.

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

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

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