Computer Networking
The synchronous modems are more costly than the asynchronous modems because

they contain clock recovery circuits
they operate with a larger bandwidth
None of these
they transmit the data with stop and start bits.
they produce large volume of data

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

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

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