Computer Networking
You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?

show interfaces
show protocols
show startup-config
show running-config

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Computer Networking
What does a VLAN do?

Breaks up broadcast domains in a layer 2 switch internetwork.
Provides multiple collision domains on one switch port.
Acts as the fastest port to all servers.
Provides multiple broadcast domains within a single collision domain.

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Computer Networking
You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

NVRAM is corrupted.
The newly upgraded IOS is not compatible with the hardware of the router.
You didn
The configuration register setting is incorrect.

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

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