Which BGP attribute should you use on your on-premises router?

You want to set up two Cloud Routers so that one has an active Border Gateway Protocol (BGP) session, and the other one acts as a standby.

Which BGP attribute should you use on your on-premises router?
A . AS-Path
B . Community
C . Local Preference
D . Multi-exit Discriminator

Answer: D

Explanation:

Reference: https://cloud.google.com/router/docs/concepts/overview