Computer Networking
Demodulation is the process of

dividing the high-speed signals into frequency bands
converting analog signals to digital signals
combining many low speed channels into one high speed channel
None of these
converting digital signals to analog signals

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Computer Networking
Which one of the following is true regarding VLANs?

VLANs only work if you have a complete Cisco switched internetwork. No off-brand switches are allowed.
You should not have more than 10 switches in the same VTP domain.
VTP is used to send VLAN information to switches in a configured VTP domain.
Two VLANs are configured by default on all Cisco switches.

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Computer Networking
ICMP (Internet Control Message Protocol) is

a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
a protocol that handles error and control messages
None of these
a protocol used to monitor computers
a TCP/IP high level protocol for transferring files from one machine to another

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