Computer Networking
Layer 2 switching provides which of the following?1. Hardware-based bridging (ASIC)2. Wire speed3. Low latency4. Low cost

1, 2 and 4
All of these
2 and 4
1 and 3

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Computer Networking
Bulletin board system

is a modem capable of accepting commands
is a public access message system
None of these
converts analog signals to digital signals
converts digital signals to analog signals

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Computer Networking
RS-232-G

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

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