Question 127 of 952 from exam 200-125: Cisco Certified Network Associate Exam

Question 127 of 952 from exam 200-125: Cisco Certified Network Associate Exam

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- Enter IOS commands on the device to verify network operation and answer the multiple questions.


- Click the device icon to gain access to the console device of the router. No console or enable passwords are required.

- To access the multiple-choice questions, click the numbered boxes on the left of the top panel.

- there are four multiple-choice questions with this task. Be sure to answer all four questions before clicking Next button.


Refer to the topology. Your company has connected the routers R1, R2, and R3 with serial links. R2 and R3 are connected to the switches SW1 and SW2, respectively. SW1 and SW2 are also connected to the routers R4 and R5.

The EIGRP routing protocol is configured.

You are required to troubleshoot and resolve the EIGRP issues between the various routers.

Use the appropriate show commands to troubleshoot the issues.

Study the following output taken on R1:

R1#Ping source

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to, timeout is 2 seconds:

Packet sent with a source address of


Success rate is 0 percent (0/5)

Why are the pings failing?



Click on the arrows to vote for the correct answer

A. B. C. D.


Relevant parts of the config shown below:

R1 does not advertise its loopback 0 ( to EIGRP therefore a ping to destination (R5) from will not be successful because R5 does not know how to reply to R1.