Computer Networking
You are working with a class C network. You are required to configure it for five subnets, each of which will support 25 nodes. What subnet should you use?

255.255.255.240
255.255.255.248
255.255.255.0
255.255.255.224
255.255.255.252

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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
the ratio of the data units in error to the total number of data units
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
None of these
a check bit appended to an array of binary digits to make the sum of all the binary digits.

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