Computer Networking
What type of RJ45 UTP cable is used between switches?

Crossover cable
Crossover with a router in between the two switches
Straight-through
Crossover with a CSU/DSU

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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
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
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines

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Computer Networking
The main difference between synchronous and asynchronous transmission is

None of these
the pulse height is different.
the clocking is derived from the data in synchronous transmission
the clocking is mixed with the data in asynchronous transmission
the bandwidth required is different

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