Are you studying for the CCENT or CCNA certifications?

Skillset can help you prepare! Sign up for your free Skillset account and take the first steps towards your certification.

Upgrade Account

Refer to the exhibit. The network has been configured with EIGRP; Router R1 and R2 form a neighbor relationship, however there is a routing loop which is limiting communication. Which of the following might be the source of the problem?

Loopback is not set.

Clock is not set.

Encapsulation mismatch.

Too many CRC errors.

Mismatched masks.



Skillset helps you pass your certification exam.

Contributions and Interactions
Practice Questions

Study thousands of practice questions that organized by skills and ranked by difficulty.

Contributions and Interactions
Personalized Training

Create a tailored training plan based on the knowledge you already possess.

Training Video Selector
Exam Readiness

Know when you’re ready for the high-stakes exam. Have the confidence that you will pass on your first attempt.

Get A Free Skillset Account