AWS Cloud Practitioner General 3 — Questions and Answers
Question 1: Which AWS service lets you run code without provisioning or managing servers, charging only for compute time consumed?
- Amazon EC2
- AWS Lambda (Correct answer)
- Amazon Lightsail
- AWS Batch
Correct answer: AWS Lambda
AWS Lambda is a serverless compute service that runs code in response to events and bills per execution.
Question 2: Which tool helps you estimate your monthly AWS bill before deploying resources?
- AWS Cost Explorer
- AWS Pricing Calculator (Correct answer)
- AWS Budgets
- AWS Trusted Advisor
Correct answer: AWS Pricing Calculator
The AWS Pricing Calculator lets you model and estimate costs of AWS services in advance.
Question 3: Which AWS service provides recommendations across cost optimization, security, fault tolerance, and performance?
- AWS Trusted Advisor (Correct answer)
- Amazon CloudWatch
- AWS Config
- AWS CloudTrail
Correct answer: AWS Trusted Advisor
AWS Trusted Advisor inspects your environment and gives best-practice recommendations across several categories.
Question 4: What does AWS CloudTrail primarily record?
- Application performance metrics
- API calls and account activity (Correct answer)
- Network packet contents
- Billing forecasts
Correct answer: API calls and account activity
AWS CloudTrail logs API calls and account activity for governance, compliance, and auditing.
Question 5: Which database service is fully managed and supports relational engines like MySQL and PostgreSQL?
- Amazon DynamoDB
- Amazon RDS (Correct answer)
- Amazon Redshift
- Amazon ElastiCache
Correct answer: Amazon RDS
Amazon RDS is a managed relational database service supporting engines such as MySQL, PostgreSQL, and others.
Question 6: Which characteristic best describes the cloud concept of 'elasticity'?
- Storing data in multiple regions
- Automatically scaling resources up or down with demand (Correct answer)
- Encrypting data at rest
- Reserving capacity for one year
Correct answer: Automatically scaling resources up or down with demand
Elasticity is the ability to automatically acquire and release resources to match current demand.
Question 7: Which AWS service is a content delivery network (CDN) that caches content at edge locations?
- Amazon CloudFront (Correct answer)
- AWS Global Accelerator
- Amazon Route 53
- Elastic Load Balancing
Correct answer: Amazon CloudFront
Amazon CloudFront is a CDN that delivers content with low latency through globally distributed edge locations.
Which AWS service lets you run code without provisioning or managing servers, charging only for compute time consumed?