Computer Networking
RS-232-G

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

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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.
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.
You should not have more than 10 switches in the same VTP domain.

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Computer Networking
TCP is:

Connectionless and unreliable
Connection orientated and reliable
None of these
Connection orientated and unreliable
Operates at the Data Link layer

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