Computer Networking
The data communication support should include, but is not restricted to

All of these
terminal support, electronic mail and voice grams.
file and database access
file transfer and transaction processing

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Computer Networking
Error detecting code is

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
the ratio of the data units in error to the total number of data units
None of these
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

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Computer Networking
In Cisco's Unified Wireless Solution, what is the split-MAC architecture?

The split-MAC architecture uses MAC addresses on the wireless network and IP addresses on the wired network.
The split-MAC architecture uses MAC addresses to create a forward/filter table and break up collision domains.
The split-MAC architecture uses MAC addresses to create a forward/filter table and break up broadcast domains.
The split-MAC architecture allows the splitting of 802.11 protocol packets between the AP and the controller to allow processing by both devices.

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