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.
A company needs to ensure their S3 buckets are more secure. What happens when you enable S3 Block Public Access?
AAllows all public access.
BPrevents public access controls.
CEnables versioning for files.
DChanges bucket names.
Explanation
Enabling S3 Block Public Access prevents any public access controls on the buckets, securing them from public reach.
Q472
Which service provides detailed monitoring of AWS resources?
AAWS CloudTrail
BAmazon CloudWatch
CAWS Config
DAWS Lambda
Explanation
Amazon CloudWatch is designed for resource monitoring, while the others serve different functions.
Q473
A company needs to securely share files between its employees. Which service should it use?
AAmazon S3
BAWS EFS
CAmazon WorkDocs
DAWS FSx
Explanation
Amazon WorkDocs is purpose-built for secure document sharing, while the others focus more on storage.
Q474
What happens when you reduce an EC2 instance size while it’s running?
AThe instance shuts down immediately
BIt fails if it’s under load
CYou must stop it first
DThe size change is applied instantly
Explanation
You must stop the instance to change its size; otherwise, it cannot be resized.
Q475
Which service provides serverless data lakes on AWS?
AAWS Lake Formation
BAmazon RDS
CAmazon EC2
DAWS Snowball
Explanation
AWS Lake Formation simplifies building data lakes; others do not serve this purpose.
Q476
A company wants to restrict access to its S3 bucket to specific IP addresses. Which AWS service should be used?
AIAM Policies
BVPC Peering
CS3 Bucket Policies
DAWS Organizations
Explanation
S3 Bucket Policies can restrict access based on IPs, while others cannot.
Q477
What happens when a resource in an AWS account is marked as 'tagged'?
AResource is hidden from users
BResource can be cost-allocated
CResource becomes unmodifiable
DResource is automatically backed up
Explanation
Tagging a resource helps in cost allocation, while others are incorrect outcomes of tagging.
Q478
Which service allows you to run code without provisioning servers?
AAWS Lambda
BAmazon EC2
CAWS Elastic Beanstalk
DAmazon S3
Explanation
AWS Lambda runs code in response to events without server management, while the others require server provisioning or management.
Q479
A company needs to ensure that its data in S3 is protected as it is transferred over the internet. What should they enable?
AS3 Versioning
BS3 Bucket Policy
CS3 Transfer Acceleration
DS3 Encryption in Transit
Explanation
Enabling S3 Encryption in Transit protects data while being transferred, while others do not specifically focus on data transfer protection.
Q480
What happens when an EC2 instance initialized with a default VPC is started?
AIt connects to a public IP automatically.
BIt uses an Elastic IP by default.
CIt cannot access the internet.
DIt is only accessible via VPN.
Explanation
A default VPC assigns a public IP upon launch, while the others are incorrect regarding default behavior for a default VPC instance.