Computer Networking
CSMA (Carrier Sense Multiple Access) is

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

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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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