Computer Networking
Which of the following is true regarding VLANs?

VTP is used to send VLAN information to switches in a configured VTP domain.
All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.
You must have at least two VLANs defined in every Cisco switched network.
You should not have more than 10 switches in the same VTP domain.

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Computer Networking
You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

NVRAM is corrupted.
You didn
The newly upgraded IOS is not compatible with the hardware of the router.
The configuration register setting is incorrect.

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Computer Networking
CSMA (Carrier Sense Multiple Access) is

a method of determining which device has access to the transmission medium at any time
None of these
a method access control technique for multiple-access transmission media.
network access standard for connecting stations to a circuit-switched network
a very common bit-oriented data link protocol issued by ISO.

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