Network Essential Version C (LE) Practice Test

Which task is performed in the config-if mode on Cisco devices?

configure a WAN interface configure VTY lines configure the hostname configure a banner

Correct Answer:

configure a WAN interface

Explanation:

Config-if mode is interface configuration mode, used to set options that apply to a specific network interface. In this mode you tailor settings like the IP address, description, speed, duplex, and other per-port parameters. A WAN interface is a prime example of what you configure here, since it’s a particular interface on the device and you configure its specifics for that link. Other tasks shown fit different modes: configuring VTY lines happens in line configuration mode, while changing the hostname or a banner is done in global configuration mode. So configuring a WAN interface is the task that belongs to interface configuration mode.

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