Amazon AWS
AWS Certified Solutions Architect – Associate
SAA-C03
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.
Questions 421–430 of 483
Which service is used to decouple microservices in AWS?
A
Amazon SQS
B
AWS Lambda
C
Amazon RDS
D
Amazon EC2
Amazon SQS enables message queuing between services for decoupling, while others do not specifically serve this purpose.
A company needs to transfer a large dataset to AWS S3. What is the most cost-effective and efficient method?
A
AWS Direct Connect
B
Amazon Snowball
C
AWS VPN
D
AWS DataSync
Amazon Snowball is designed for transferring large amounts of data physically, making it cost-effective compared to online transfer.
You are configuring a Policy with an effect of 'Deny'. What happens if the user is explicitly allowed in another policy?
A
Access is granted
B
Access is denied
C
Access is conditional
D
User needs MFA
In AWS IAM, explicit Deny overrides any Allow, so the user will be denied access regardless of the Allow policy.
Which service automatically scales EC2 instances?
A
AWS Auto Scaling
B
AWS CloudFormation
C
AWS Elastic Beanstalk
D
AWS OpsWorks
AWS Auto Scaling adjusts the number of EC2 instances automatically, while the others don't provide this specific functionality.
A company needs a way to reliably back up their databases with minimal downtime. Which service would you recommend?
A
AWS Backup
B
Amazon S3
C
Amazon DynamoDB
D
Amazon RDS with Multi-AZ
Amazon RDS with Multi-AZ provides high availability and automatic failover, whereas the others do not focus primarily on databases.
What happens when an Amazon S3 bucket policies deny public read access?
A
All objects become private.
B
Only public objects are accessible.
C
Bucket cannot be accessed.
D
Public access is allowed.
Denying public read access makes all files within the bucket private unless permissions are explicitly granted.
Which service is best for automating software deployments?
A
AWS CodeDeploy
B
Amazon CloudWatch
C
AWS Lambda
D
Amazon S3
AWS CodeDeploy automates software deployments, unlike the others.
A company needs to store large datasets securely and cost-effectively. Which option should they choose?
A
Amazon S3 Standard
B
Amazon EBS
C
Amazon Glacier
D
AWS Snowball
Amazon Glacier is designed for cost-effective long-term storage.
What happens when you set an EC2 instance to a 'stopping' state?
A
Instance gets terminated
B
Instance data is lost
C
Instance is paused temporarily
D
EBS volumes are detached
Stopping an EC2 instance pauses it, preserving data in EBS volumes.
Which service allows users to run code without provisioning servers?
A
AWS Lambda
B
Amazon EC2
C
AWS Elastic Beanstalk
D
Amazon RDS
AWS Lambda runs code in response to events, while the others require server provisioning.