A Solutions Architect Is Building a Web Application That Uses

question 646

Multiple Choice

A solutions architect is building a web application that uses an Amazon RDS for PostgreSQL DB instance. The DB instance is expected to receive many more reads than writes. The solutions architect needs to ensure that the large amount of read traffic can be accommodated and that the DB instance is highly available. Which steps should the solutions architect take to meet these requirements? (Choose three.)

• A) Create multiple read replicas and put them into an Auto Scaling group.
• B) Create multiple read replicas in different Availability Zones.
• C) Create an Amazon Route 53 hosted zone and a record set for each read replica with a TTL and a weighted routing policy.
• D) Create an Application Load Balancer (ALB) and put the read replicas behind the ALB.
• E) Configure an Amazon CloudWatch alarm to detect a failed read replicas. Set the alarm to directly invoke an AWS Lambda function to delete its Route 53 record set.
• F) Configure an Amazon Route 53 health check for each read replica using its endpoint.

---

Definitions:

Direct Method

A cost allocation method that assigns costs directly to cost objects without using any intermediate cost pools or allocations.

Cash Basis

An accounting method where revenues and expenses are recognized only when cash is received or paid, respectively.

Accounts Receivable

Funds that customers owe to a business for products or services that have been provided but remain unpaid.

Cash Collected

The total amount of money received by a company during a specific period, usually from its operations or activities.