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.
What happens when an EC2 instance is stopped and started again?
AIt gets a new IP address
BIt keeps the same EBS volume
CData on instance store is preserved
DThe instance type cannot be changed
Explanation
Stopping an EC2 instance releases the public IP address and assigns a new one upon restart; EBS volumes are preserved, instance store data is lost, and the instance type can be changed.
Q202
Which service provides serverless computing in AWS?
AAWS Lambda
BEC2
CElastic Beanstalk
DRDS
Explanation
AWS Lambda allows serverless execution; EC2 requires server provision, Beanstalk is PaaS, and RDS is a database service.
Q203
A company needs to manage fine-grained permissions for users. Which AWS service should they use?
AAWS IAM
BAWS Organizations
CAWS Config
DCloudTrail
Explanation
AWS IAM provides fine-grained access control; Organizations manage accounts, Config tracks resources, and CloudTrail logs activity.
Q204
What happens when an EC2 instance is stopped and restarted?
AIP address remains unchanged
BInstance type cannot be changed
CData on ephemeral storage is lost
DEBS volumes are deleted
Explanation
Ephemeral storage data is lost on stop; IP may change, instance type can be changed, and EBS volumes persist.
Q205
Which service can automatically scale EC2 instances based on demand?
AAuto Scaling
BCloudFront
CRDS
DIAM
Explanation
Auto Scaling adjusts instance counts based on demand; others serve different purposes.
Q206
A company needs a low-latency network connection to their AWS resources. Which service should they use?
AAWS Direct Connect
BAWS VPN
CVPC Peering
DCloudFront
Explanation
AWS Direct Connect offers dedicated connections; other options may add latency.
Q207
You are configuring a multi-region architecture with Route 53. What happens when a region fails?
ATraffic automatically reroutes to healthy regions
BAll traffic stops until the region recovers
CUsers receive error messages
DManual intervention is needed for rerouting
Explanation
Route 53 can automatically handle traffic to healthy regions; other options imply downtime or manual work.
Q208
Which service provides load balancing for AWS applications?
AElastic Load Balancing
BAmazon S3
CAWS CloudFormation
DAmazon RDS
Explanation
Elastic Load Balancing automatically distributes incoming application traffic, while the other services serve different functions.
Q209
A company needs a scalable NoSQL database solution. Which AWS service should they use?
AAmazon RDS
BAmazon DynamoDB
CAmazon S3
DAmazon Redshift
Explanation
Amazon DynamoDB is designed for scalability in NoSQL applications, unlike the other traditional database options.
Q210
What happens when you enable versioning in an S3 bucket?
AFiles are deleted permanently.
BNew versions replace old ones.
COld versions are archived automatically.
DEvery file upload creates a new version.
Explanation
Enabling versioning allows each file upload to create a new version without deleting older ones.