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 instance with an Elastic IP is stopped and restarted?
AIP remains unchanged
BIP is released
CInstance cannot use IP
DOld IP is tied to another account
Explanation
An Elastic IP address remains associated to the instance unless manually released; the other options are incorrect regarding Elastic IP behavior.
Q262
Which service can be used for serverless computing?
AAWS Lambda
BAmazon EC2
CAmazon S3
DAmazon RDS
Explanation
AWS Lambda allows you to run code without provisioning servers, while the others are traditional infrastructure or storage services.
Q263
A company needs to securely access an S3 bucket from only a specific EC2 instance. What should they use?
AIAM Role with S3 permissions
BS3 Public Access
CAWS Firewall Rules
DS3 Bucket Versioning
Explanation
An IAM Role can be assigned to an EC2 instance, granting it secure access to the S3 bucket.
Q264
What happens when you decrease an EC2 instance size?
AIt incurs unplanned downtime
BIt increases data transfer costs
CIt takes instant effect without reboot
DIt only reduces disk size
Explanation
Changing the instance size requires stopping the instance, leading to downtime, while others are not accurate effects of resizing.
Q265
Which AWS service can be used for serverless compute?
AAWS Lambda
BAmazon EC2
CAWS Fargate
DAmazon RDS
Explanation
AWS Lambda allows running code without provisioning servers, while others require server management.
Q266
A company needs to securely share data across AWS accounts. Which service is the best choice?
AAmazon S3 Bucket Policies
BAWS CloudFormation
CAWS Elastic Beanstalk
DAmazon CloudFront
Explanation
Amazon S3 Bucket Policies can control access for multiple accounts effectively, while the others do not share specific data.
Q267
What happens when you terminate an EC2 instance that uses an instance store volume?
AData is preserved
BData is lost
CData is backed up automatically
DData is transferred to EBS
Explanation
Instance store volumes lose data upon instance termination, unlike EBS volumes.
Q268
Which service allows for automation of AWS resource management based on predefined conditions?
AAWS Lambda
BAWS CloudFormation
CAWS Auto Scaling
DAWS CloudTrail
Explanation
AWS Auto Scaling manages resources based on metrics, while others serve different functions.
Q269
A company needs to implement a managed NoSQL database service for a highly scalable application. Which service should they choose?
AAmazon S3
BAmazon RDS
CAmazon DynamoDB
DAmazon Redshift
Explanation
Amazon DynamoDB is designed for high scalability in NoSQL, while others are different database types.
Q270
What happens when you enable versioning on an S3 bucket?
AOld versions stored permanently
BNo additional costs incurred
CObjects cannot be deleted
DVersions cannot be accessed
Explanation
Enabling versioning allows all versions to be stored, whereas the other options are incorrect features.