Cloud Architecture & Infrastructure Flashcards
7 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Cloud Architecture & Infrastructure flashcards as text
Which service automatically adjusts the number of EC2 instances based on demand to maintain performance and cost?
Answer: EC2 Auto Scaling
EC2 Auto Scaling adds or removes instances automatically based on defined scaling policies.
What is the maximum size of a single object that can be stored in Amazon S3?
Answer: 5 TB
A single S3 object can be up to 5 TB, with multipart upload required for objects over 5 GB.
Which AWS service is best for delivering content to users with low latency via a global network of edge locations?
Answer: Amazon CloudFront
Amazon CloudFront is a content delivery network (CDN) that caches content at edge locations worldwide.
For a stateless, event-driven function that runs only when triggered and scales automatically, which service is ideal?
Answer: AWS Lambda
AWS Lambda runs code in response to events and scales automatically without server management.
Which block-level storage service provides persistent volumes for use with EC2 instances?
Answer: Amazon EBS
Amazon EBS provides persistent block-level storage volumes that attach to EC2 instances.
Which service offers a shared, elastic file system that can be mounted concurrently by many EC2 instances?
Answer: Amazon EFS
Amazon EFS is a fully managed, elastic NFS file system shareable across many instances simultaneously.
To enforce least-privilege access to AWS resources, which service should you primarily configure?
Answer: AWS IAM
AWS IAM manages users, roles, and policies to grant fine-grained, least-privilege access to resources.