Which action resolves the issues?

Refer to the exhibit.

Users at the branch office on R1 reported issue with an application at the home office on R4.

While troubleshooting the issue, a network engineer determined that

✑ The branch-office users can connect to the home office.

✑ The IS-IS adjacencies between R1 and R2 and R1 and the branch office are up.

✑ Traffic from R1 to the R2 10.20.1.0/24 network is moving normally.

✑ The application at the home office is experiencing packet drops on the connection to the Branch, and R3 cannot reach the R1 172.16.10.0/24 network.

Which action resolves the issues?
A . Redistribute static connected routes in IS-IS on router RI.
B. Configure the IS-IS core instance on the RI GigabitEthernet0/3 interface.
C. Redistribute static connected routes in IS-IS on router R4.
D. Configure the IS-IS core instance on the R2 GigabitEthernet0/1 interface.

View Answer

Answer: B