The AWS Certified Solutions Architect – Associate (SAA-C03) exam tests your ability to design distributed systems on AWS. It is one of the most sought-after certifications in the cloud domain.
Which AWS service allows for isolated resources within a VPC?
ASubnets
BEC2 Instances
CGateways
DLoad Balancers
Explanation
Subnets provide isolation of resources in a VPC, while other options represent various functions and not isolation.
Q122
A company needs to securely manage access to AWS resources. What should they use?
AIAM Roles
BAmazon S3
CCloudFormation
DAWS CloudTrail
Explanation
IAM Roles are designed for managing secure access, while the other options serve different purposes.
Q123
You are configuring an auto-scaling group. What happens if the desired capacity is set to 0?
AInstances terminate immediately.
BNo instances run.
CCosts reduce by half.
DLoad balancer spins down.
Explanation
Setting desired capacity to 0 means no instances will run, rather than immediate termination or loss of cost.
Q124
Which service converts and processes real-time streaming data?
AAmazon Kinesis
BAmazon RDS
CAWS Lambda
DAmazon DynamoDB
Explanation
Amazon Kinesis is designed for real-time data processing, while the other options serve different purposes such as database management or serverless computing.
Q125
A company needs to secure S3 buckets so that they are only accessible via CloudFront. What should you implement?
AAWS IAM roles
BBucket policy allowing only CloudFront
CS3 Transfer Acceleration
DCross-Origin Resource Sharing
Explanation
A bucket policy allows CloudFront access while blocking direct S3 access, unlike IAM roles or CORS which do not restrict access as required.
Q126
What happens when a resource-defined tag is applied to an AWS resource?
ATag affects billing and cost allocation
BTag cannot be edited or removed
CTag restricts access to resources
DTag is globally unique to all accounts
Explanation
Tags are used for cost allocation and tracking, while other options are incorrect because tags can be edited, do not restrict access, and are not globally unique.
Q127
A company needs to ensure that its EC2 instances are protected from Distributed Denial-of-Service (DDoS) attacks. Which AWS service should they use?
AAWS Shield
BAWS Firewall Manager
CAmazon GuardDuty
DAmazon Inspector
Explanation
AWS Shield specifically provides DDoS protection, while the others focus on different security aspects.
Q128
You are configuring an S3 bucket to host a static website. Which permissions must you ensure are granted?
ARead and Write to AWS
BPublic Read Access
CPrivate Access Only
DS3 Full Control
Explanation
Public Read Access is required to serve a static website publicly; others do not allow for public access.
Q129
What happens when an AWS Lambda function execution reaches its timeout limit?
AFunction resumes after timeout
BFunction stops execution immediately
CFunction logs the error
DFunction retries automatically
Explanation
When a Lambda function times out, it stops execution immediately; it does not resume or retry automatically.
Q130
Which service can be used for serverless computing?
AAWS Lambda
BAmazon EC2
CAmazon RDS
DAmazon S3
Explanation
AWS Lambda allows you to run code without provisioning servers. Other options require server management.