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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Computer Networking
RS-232-G

specifies only the mechanical characteristics of an interface by providing a 25-pin connector
is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
None of these
is an interface between two data circuit terminating equipment as examplified by a local and remote modem
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines

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