Computer Networking
Carrier is

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

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Computer Networking
You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?

Router(config-if)# encapsulation frame-relay cisco
Router(config-if)# encapsulation frame-relay q933a
Router(config-if)# encapsulation frame-relay ansi
Router(config-if)# encapsulation frame-relay ietf

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