Cisco CCNA Service Provider Question of the Week

CCNASPofw01

How can you secure an unused switch port?

    1. Add IP Filter to the interface
    2. Set the speed to 10 Mb
    3. Shut down the port
    4. Set the VLAN to VLAN1

The correct answer is 3.

One of the recommendations for hardening (securing) from the NSA for an IOS device is to disable unused interfaces. In a Cisco environment, disabling an interface is done with the shutdown command.

Related Courses:
SPNGN1 – Building Cisco Service Provider Next-Generation Networks, Part 1
SPNGN2 – Building Cisco Service Provider Next-Generation Networks, Part 2

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