Computer Networking
In cyclic redundancy checking, the divisor is _____ the CRC.

the same size as
one bit less than
two bits more
None of these
one bit more than

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Computer Networking
Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.

Token-Ring, because it uses a MAU
Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies
Ethernet, because it can be set up with most topologies and can use multiple transfer speeds
Ethernet, because it is cabled using fiber-optic cable
Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology

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Computer Networking
Bus is

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

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