Computer Networking
The 802.5 standard implements a way for preventing collisions on the network. How are collisions prevented when using this standard?

Switched repeaters
CSMA/CD
Token passing
Collision detection
Time sharing

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Computer Networking
RS-232-G

requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
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
is an interface between two data circuit terminating equipment as examplified by a local and remote modem
None of these

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Computer Networking
Bus is

a collection of interconnected functional units that provides a data communications service among stations attached to the network
the condition when two or more stations attempt to use the same channel at the same time
None of these
one or more conductors that some as a common connection for a related group of devices
a continuous frequency capable of being modulated or impressed with a second signal

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