SAA-C03 Question #693: Real Exam Question with Answer & Explanation

Question

A company recently migrated a message processing system to AWS. The system receives messages into an ActiveMQ queue running on an Amazon EC2 instance. Messages are processed by a consumer application running on Amazon EC2. The consumer application processes the messages and writes results to a MySQL database running on Amazon EC2. The company wants this application to be highly available with low operational complexity. Which architecture offers the HIGHEST availability?

Options

• AAdd a second ActiveMQ server to another Availably Zone.
• BUse Amazon MO with active/standby brokers configured across two Availability Zones.
• CUse Amazon MO with active/standby blotters configured across two Availability Zones.
• DUse Amazon MQ with active/standby brokers configured across two Availability Zones.

Explanation

Amazon MQ with active/standby brokers configured across two Availability Zones ensures that the message queue is available even if one Availability Zone experiences an outage. An Auto Scaling group for the consumer EC2 instances across two Availability Zones ensures that the consumer application is able to continue processing messages even if one Availability Zone experiences an outage. Amazon RDS for MySQL with Multi-AZ enabled ensures that the database is available even if one Availability Zone experiences an outage.

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