Computer Networking
The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?

A physical address that is randomly assigned each time the computer is started
A logical address that identifies the workstation
A physical address that is assigned by the manufacturer
An alias for the computer name
The logical domain address for the workstation

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

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Computer Networking
MAC is

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

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