A Company Is Moving Its On-Premises Oracle Database to Amazon

question 97

Multiple Choice

A company is moving its on-premises Oracle database to Amazon Aurora PostgreSQL. The database has several applications that write to the same tables. The applications need to be migrated one by one with a month in between each migration Management has expressed concerns that the database has a high number of reads and writes. The data must be kept in sync across both databases throughout tie migration. What should a solutions architect recommend?

• A) Use AWS DataSync for the initial migration. Use AWS Database Migration Service (AWS DMS) to create a change data capture (CDC) replication task and a table mapping to select all cables.
• B) Use AWS DataSync for the initial migration. Use AWS Database Migration Service (AWS DMS) to create a full load plus change data capture (CDC) replication task and a table mapping to select all tables.
• C) Use the AWS Schema Conversion Tool with AWS DataBase Migration Service (AWS DMS) using a memory optimized replication instance. Create a full load plus change data capture (CDC) replication task and a table mapping to select all tables.
• D) Use the AWS Schema Conversion Tool with AWS Database Migration Service (AWS DMS) using a compute optimized replication instance. Create a full load plus change data capture (CDC) replication task and a table mapping to select the largest tables.

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Definitions:

Atomic Components

The single, indivisible units or elements that make up a complex structure, emphasizing the simplest parts of a system.

Atomic Statements

Simple, indivisible statements in logic that do not contain any logical connectives.

Connectives

Logical operators used in sentences to connect propositions or statements, indicating relationships like conjunction, disjunction, or implication.

Main Connective

The primary logical operator in a compound statement or proposition that determines the overall truth value of the statement based on its components.