Computer Networking
You are working with a network that has the network ID 192.168.10.0 and require nine subsets for your company and the maximum number of hosts. What subnet mask should you use?

255.255.255.252
255.255.255.240
255.255.255.224
255.255.255.192
255.255.255.248

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Computer Networking
Which of the following statements is correct for the use of packet switching?

by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.
the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied
All of these
None of these
the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individ

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Computer Networking
Communication network is

None of these
one or more conductors that serve as a common connection for a related group of devices
the condition with 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
a continuous frequency capable of being modulated or impressed with a second signal

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Computer Networking
Error rate is

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

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