Architecting on AWS Certification Amazon Web Services 2

Question 1

A company needs to run a stateful workload that requires persistent block storage with consistent low-latency performance. Which AWS service is the best fit?

Accepted Answer

Amazon EBS

Answer

Amazon EBS provides persistent block storage with consistent low-latency performance ideal for stateful workloads like databases.

Question 2

Which VPC feature allows instances in a private subnet to initiate outbound internet traffic without exposing them to inbound connections?

Accepted Answer

NAT Gateway

Answer

A NAT Gateway allows private subnet instances to initiate outbound internet connections while blocking unsolicited inbound traffic.

Question 3

An architect wants to decouple a producer microservice from multiple consumer microservices using a fan-out pattern. Which combination of AWS services achieves this?

Accepted Answer

SNS to SQS

Answer

SNS publishes a message once and fans it out to multiple SQS queues, decoupling producers from consumers.

Question 4

Which AWS Well-Architected pillar focuses on the ability of a system to recover from failures and dynamically acquire resources to meet demand?

Accepted Answer

Reliability

Answer

The Reliability pillar addresses recovering from failures and dynamically scaling to meet demand.

Question 5

A workload requires storing session state shared across multiple EC2 instances in an Auto Scaling group. Which service is best suited for this?

Accepted Answer

Amazon ElastiCache

Answer

ElastiCache provides a fast, shared in-memory data store for session state accessible by all instances in an Auto Scaling group.

Architecting on AWS Certification Practice Test

Architecting on AWS Certification Practice Test

Architecting on AWS Certification Amazon Web Services 2