AWS Certified Advanced Networking – Specialty ANS-C00 – Question161

When configuring Active/Passive HA on VPN tunnels, choose the two best ways to configure this. (Choose two.)

A.
Keep both tunnels up.
B. Configure AS_PATH prepending on one of the paths.
C. Turn off one of the paths until you need it.
D. Configure MED on one of the tunnels.

Correct Answer: AB

Explanation:

Explanation: AWS prefers AS_PATH prepending and for a tunnel to provide true failover, it must always be on.