Computer Networking
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?

All of these
Full duplex and half duplex
Hardware and software
WAN and LAN

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Computer Networking
RS-449/442-A/423-A 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
a check bit appended to an array of binary digits to make the sum of the all the binary digits
a set of physical layer standards developed by EIA and intended to replace RS-232-
the ratio of the number of data units in error to the total number of data units

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Computer Networking
What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

Router (config-if) # passive-interface
Router (config-router) # no routing updates
Router (config-router) # passive-interface s0
Router (config-if) # no routing

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