AWS

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AWS Architecture & Operations

AWS

Practice original scenario-based AWS questions. Take a timed mock, focus on a topic, and learn from detailed explanations. These are independent practice materials, not official exam questions or a guarantee of certification readiness.

16 questions · 25 minutes · 70% practice target

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Topics you will practice

  • Compute & Networking
  • Storage & Databases
  • Security
  • Reliability & Cost

Try a sample

Think through each question, then reveal the explanation. Full attempts save your answers and scores to your account.

A stateless web tier must handle variable traffic across Availability Zones. What fits best?

  1. An Auto Scaling group behind an Application Load Balancer
  2. One large EC2 instance
  3. A public database
  4. A manually changed hosts file
Show answer and explanation

Correct answer: An Auto Scaling group behind an Application Load Balancer

Load balancing and multi-AZ autoscaling provide elasticity and instance replacement.

A short event-driven task runs a few times per hour. Which compute option minimizes server management?

  1. AWS Lambda
  2. A permanently running EC2 instance
  3. A dedicated Outpost
  4. A larger NAT gateway
Show answer and explanation

Correct answer: AWS Lambda

Lambda is suited to bounded event-driven execution without server administration.

Private instances need outbound internet access without accepting inbound internet traffic. What is used?

  1. A NAT gateway in a public subnet with private route tables
  2. An internet gateway directly on each instance
  3. A public S3 bucket
  4. Route 53 only
Show answer and explanation

Correct answer: A NAT gateway in a public subnet with private route tables

Private subnets route outbound traffic through a NAT gateway while remaining non-addressable inbound.