Cisco Exam Questions

What kind of router is VLAN-R1?

This task requires you to use the CLI of Sw-AC3 to answer multiple-choice question below. This
does not require any configuration. Refer the Explanation to see all the configuration details.

What kind of router is VLAN-R1?

A.
1720

B.
1841

C.
2611

D.
2620

Explanation:
VLAN-R1 is the router directly connected to Sw-Ac3 switch, so we can use the
show cdp neighbors command to see:
1. Neighbor Device ID : The name of the neighbor device;
2. Local Interface : The interface to which this neighbor is heard
3. Capability: Capability of this neighboring device – R for router, S for switch, H for Host etc.
4. Platform: Which type of device the neighbor is
5. Port ID. The interface of the remote neighbor you receive CDP information
6. HoldtimE. Decremental hold time in seconds
Sample output of show cdp neighbors command:

One thing I want to notice you is “Local Intrfce” in the image above refers to the local interface on
the device you are running the “show cdp neighbors” command