Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

None of these
Electronic newspaper
Electronic mail
Global network
Paperless office

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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.
Two VLANs are configured by default on all Cisco switches.
VTP is used to send VLAN information to switches in a configured VTP domain.
You should not have more than 10 switches in the same VTP domain.

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