Task 2.1: Design Scalable and Loosely Coupled Architectures SAA-C03 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   A company wants to build a loosely coupled architecture where an order processing system publishes order events, and multiple downstream services need to consume those events independently, each maintaining its own view of the data. Which AWS service is purpose-built for this event-driven pattern?

   • AAmazon EventBridge
   • BAmazon Simple Notification Service (SNS)
   • CAmazon Simple Queue Service (SQS)
   • DAWS Lambda
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   Which design principle is important when building microservices to ensure they can be developed, deployed, and scaled independently?

   • AMicroservices must be deployed as a single unit.
   • BAll microservices should share a single database schema.
   • CEach microservice should have its own database or data store.
   • DMicroservices should communicate synchronously only.
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   What is the primary purpose of a load balancer in an architecture?

   • ATo encrypt data in transit.
   • BTo store static content for faster delivery.
   • CTo distribute incoming traffic across multiple targets to improve availability and scalability.
   • DTo manage database connections.
   Reveal Solution Discussion Select an answer first
5. 9application · medium

   A company runs a web application on a fleet of EC2 instances in an Auto Scaling group. The application has two distinct types of traffic: requests to the public website and requests to an internal admin API. The company wants to route traffic to the correct instances and perform health checks. Which solution should a solutions architect recommend?

   • ACreate two separate Application Load Balancers, one for the public website and one for the internal admin API.
   • BUse a single Application Load Balancer with multiple target groups and listener rules to route traffic based on the path.
   • CUse a Network Load Balancer for both types of traffic.
   • DUse a Classic Load Balancer and configure it to route traffic to different instances based on the source IP address.
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   Which workload characteristic is best suited for serverless technologies like AWS Lambda?

   • AWorkloads requiring dedicated hardware
   • BWorkloads with predictable, steady traffic
   • CIntermittent, event-driven workloads
   • DLong-running, stateful processes
   Reveal Solution Discussion Select an answer first