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 Ethernet network has been configured with OSPF. All routers, except R4 are established as OSPF neighbors. The priority of R1 and R3 has been manually set and R2 and R4 has been left default. All other values in all routers are left by default. Which is the possible cause that R4 is not establishing a neighbor relationship with the other routers?

R4 has different timer values.

Authentication is not set.

The network segment of the interface is different.

The profile must be set to either DR or DROTHER.

The priority of R4 must be manually set.

Explanation

Directory

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