A Company Recently Migrated a Message Processing System to AWS

question 309

Multiple Choice

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?

• A) Add a second ActiveMQ server to another Availability Zone. Add an additional consumer EC2 instance in another Availability Zone Replicate the MySQL database to another Availability Zone.
• B) Use Amazon MQ with active/standby brokers configured across two Availability Zones. Add an additional consumer EC2 instance in another Availability Zone. Replicate the MySQL database to another Availability Zone.
• C) Use Amazon MQ with active/standby brokers configured across two Availability Zones. Add an additional consumer EC2 instance in another Availability Zone. Use Amazon RDS for MySQL with Multi-AZ enabled.
• D) Use Amazon MQ with active/standby brokers configured across two Availability Zones. Add an Auto Scaling group for the consumer EC2 instances across two Availability Zones. Use Amazon RDS for MySQL with Multi-AZ enabled.

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Definitions:

Source-monitoring Error

A memory error where an individual cannot accurately recall the origin of a memory, leading to misattribution of the source.

Cryptomnesia

A memory bias that occurs when a person mistakenly believes a thought or idea is new or original, when it is actually a memory from the past.

Serial-position Effect

A psychological phenomenon where people tend to remember the first and last items in a series better than those in the middle.

Ebbinghaus

Refers to Hermann Ebbinghaus, a German psychologist known for his research on memory and the forgetting curve.