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

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

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Computer Networking
Error detecting code is

an error-detecting code based on a summation operation performed on the bits to be checked
a code in which each expression conforms to specify rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and
a check bit appended to an array of binary digits to make the sum of all the binary digits.
None of these
the ratio of the data units in error to the total number of data units

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Computer Networking
The main difference between TCP and UDP is

UDP is connection oriented where as TCP is datagram service
TCP is an Internet protocol where as UDP is an ATM protocol
UDP is a datagram where as TCP is a connection oriented service
None of these
All 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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