Computer Networking
Which configuration command must be in effect to allow the use of 8 subnets if the Class C subnet mask is 255.255.255.224?

Router (config) #no ip classful
Router (config) #ip classless
Router (config) #ip unnumbered
Router (config) #ip subnet-zero

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Computer Networking
Which of the following is true regarding VLANs?

You must have at least two VLANs defined in every Cisco switched network.
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.
All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.

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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 mail
Paperless office
Global network
Electronic newspaper

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