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

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Computer Networking
X.21 is

a method access control technique for multiple-access transmission media
a method of determining which device has access to the transmission medium at any time
a very common bit-oriented data link protocol issued by ISO
None of these
network access standard for connecting stations to a circuit-switched network

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Computer Networking
The network layer, in reference to the OSI model, provide

data link procedures that provide for the exchange of data via frames that can be sent and received
the interface between the X.25 network and packet mode device
None of these
the virtual circuit interface to packet-switched service
All of these

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