You are working for a large financial institution and preparing for disaster recovery and upcoming DR drills. A key component in the DR plan will be the MySQL database instances and their data. The Recovery Time Objective (RTO) is such that read replicas can be used to offload read traffic from the master database. Which items are key features of read replicas

inside AZ, across AZ, or even beyond the area - may establish RR
An individual database server instance was manually elevated to stand-alone status
Each RR with its own DNS destination may have up to five RRs per master.

This is further explained below.

What is the DR plan?

Generally, A disaster recovery plan, often known as a DRP, is a well-documented and organized strategy that outlines how an organization may swiftly go back to work in the aftermath of an unexpected event.

In conclusion, A disaster recovery plan, also known as a DR plan, is a formal document that is drafted by an organization and provides step-by-step instructions on how to react to unanticipated occurrences such as natural disasters, power outages, cyber-attacks, and any other kind of event that is disruptive.