A Company Is Running an Amazon RDS for PostgeSQL DB

question 135

Multiple Choice

A company is running an Amazon RDS for PostgeSQL DB instance and wants to migrate it to an Amazon Aurora PostgreSQL DB cluster. The current database is 1 TB in size. The migration needs to have minimal downtime. What is the FASTEST way to accomplish this?

• A) Create an Aurora PostgreSQL DB cluster. Set up replication from the source RDS for PostgreSQL DB instance using AWS DMS to the target DB cluster.
• B) Use the pg_dump and pg_restore utilities to extract and restore the RDS for PostgreSQL DB instance to the Aurora PostgreSQL DB cluster.
• C) Create a database snapshot of the RDS for PostgreSQL DB instance and use this snapshot to create the Aurora PostgreSQL DB cluster.
• D) Migrate data from the RDS for PostgreSQL DB instance to an Aurora PostgreSQL DB cluster using an Aurora Replica. Promote the replica during the cutover.

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Definitions:

Rehearsal

A cognitive process involving the repeated review or practice of information to aid in its retention and recall.

Spacing Effect

The tendency for distributed study or practice to yield better long-term retention than is achieved through massed study or practice.

Vocabulary Tests

Assessments designed to measure an individual's knowledge and comprehension of words and their meanings.

Crams

Intense study sessions or last-minute study attempts to memorize a large amount of information in a short period.