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 you enable S3 versioning on a bucket?
APrevious versions are deleted
BNew versions replace the old versions
CUnique version IDs are assigned
DBucket size limitations increase
Explanation
Enabling versioning assigns unique IDs to each object version, while others describe incorrect behaviors of versioning.
Q82
Which service automatically distributes traffic among multiple targets?
AElastic Load Balancing
BAWS CloudFront
CAmazon Route 53
DAWS Direct Connect
Explanation
Elastic Load Balancing automatically distributes traffic, while others serve different purposes.
Q83
A company needs to ensure their EC2 instances remain operational after an availability zone failure. What should they do?
AUse a single Availability Zone
BDeploy instances in multiple regions
CImplement Auto Scaling Groups
DUse Elastic IP addresses
Explanation
Auto Scaling Groups can launch instances in different zones to maintain availability, unlike the other options.
Q84
You are configuring S3 bucket policies. Which statement holds true about bucket policies?
AThey affect only public access
BThey are applied at the object level
CThey cannot grant permissions to IAM users
DThey control access to S3 buckets
Explanation
Bucket policies manage access permissions at the bucket level, while the others misrepresent policy functionality.
Q85
Which AWS service automatically scales the number of EC2 instances?
AAuto Scaling
BElastic Load Balancing
CEC2 Instance Scheduler
DAWS Lambda
Explanation
Auto Scaling automatically adjusts the number of instances based on demand; ELB distributes traffic, while the others do not scale EC2 instances directly.
Q86
A company needs to securely share S3 bucket data with partners. What should they use?
ASigned URLs
BIAM Policies
CVPC Peering
DCloudFront Distributions
Explanation
Signed URLs allow secure temporary access to S3 objects for controlled sharing, unlike the other options which do not provide direct mechanisms for temporary shared access.
Q87
You are configuring MFA for IAM users. What happens if a user loses their MFA device?
AAccess is permanently revoked.
BThe user can still access AWS.
CThey can recover by policy change.
DAdmin must disable MFA for them.
Explanation
An admin must disable MFA or remove the MFA device for the user to regain access, as losing the device means they can't authenticate.
Q88
Which AWS service allows for long-term data archiving?
AAmazon S3 Glacier
BAmazon RDS
CAWS Lambda
DAmazon EC2
Explanation
Amazon S3 Glacier is specifically designed for long-term data archiving, unlike RDS, Lambda, or EC2 that serve different purposes.
Q89
A company needs to host a web application with auto-scaling capabilities. Which service should they use?
AAmazon EC2
BAWS Lambda
CAmazon Lightsail
DAWS Elastic Beanstalk
Explanation
AWS Elastic Beanstalk simplifies deployment and automatically manages scaling, unlike EC2 which requires manual configuration.
Q90
What happens when a resource in AWS is tagged with a Non-Unique Key?
ATags are ignored
BOlder tags are overwritten
CAll tags are retained
DService fails to create resource
Explanation
In AWS, tagging a resource with a non-unique key overwrites the previous tag value associated with that key, while other options are incorrect interpretations of tagging behavior.