Which settings must be added to resolv.conf file to resolve the issue?

A network engineer discovers a DNS resolution problem on a device that is using the Cisco Nexus Bash shell.

The device name is app with an IP address of 10.10.10.1. The primary server IP address is 172.16.10.1 and the secondary server IP address is 172.16.10.2. When the abc.com resolution fails, it should attempt to use efg.com .

Which settings must be added to resolv.conf file to resolve the issue?

A . Option A
B . Option B
C . Option B
D . Option D

Answer: A

Explanation:

Reference: https://www.cisco.com/c/en/us/support/docs/switches/nexus-9000-series-switches/213959-nx-os-bash-shelldns-configuration.html