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.
Which service helps orchestrate serverless workflows?
AAWS Step Functions
BAWS Lambda
CAmazon EC2
DAWS CloudFormation
Explanation
AWS Step Functions orchestrates workflows; the others do not provide orchestration.
Q212
A company needs to restrict access to resources based on tags. Which AWS service should they use?
AIAM Policies
BAWS Config
CResource Groups
DAWS Organizations
Explanation
IAM Policies can enforce tag-based access; others do not enforce access based on tags.
Q213
You are configuring a VPC. What happens when you attach an Internet Gateway?
ARoute traffic to EFS
BTraffic can flow to the internet
CRemove NAT Gateway
DBlock all inbound traffic
Explanation
An Internet Gateway allows public traffic; others provide incorrect assertions.
Q214
Which service offers scalable DNS management?
AAmazon Route 53
BAmazon CloudFront
CAmazon S3
DAWS Lambda
Explanation
Amazon Route 53 enables scalable DNS management, whereas the others provide different functionalities.
Q215
A company needs to automate the deployment of applications across multiple environments. Which AWS service should they use?
AAWS CloudFormation
BAmazon EC2
CAWS Lambda
DAmazon S3
Explanation
AWS CloudFormation automates resource deployment, while the others do not manage entire environments.
Q216
You are configuring a VPC with CIDR block 192.168.0.0/24. What happens when you try to add a subnet with CIDR 192.168.0.0/26?
ASubnet created successfully
BSubnet overlaps with a larger CIDR
CSubnet size is too large
DVPC cannot have more subnets
Explanation
The subnet CIDR overlaps with existing IP space, leading to a conflict.
Q217
Which service automatically scales compute capacity?
AAWS Lambda
BAmazon EC2 Auto Scaling
CAWS Batch
DAmazon ECS
Explanation
Amazon EC2 Auto Scaling adjusts the number of EC2 instances based on demand; Lambda scales per request and the others do not automatically adjust the instance count.
Q218
A company needs to share S3 objects publicly but maintain management control. What should they use?
AS3 Bucket Policies
BIAM Roles
CS3 Access Control Lists
DCloudFront
Explanation
S3 Bucket Policies allow fine-grained access control for public sharing while providing management capabilities; IAM roles and ACLs do not achieve the same level of public access.
Q219
What happens when a CloudFront distribution is invalidated?
AObjects are deleted from S3
BContent is removed from CloudFront caches
COrigin server retrieves new copies
DCaching is made permanent
Explanation
Invalidating a CloudFront distribution removes cached content, forcing revalidation on the next request.
Q220
Which AWS service helps to analyze streaming data in real time?
AAmazon Kinesis
BAWS Lambda
CAmazon Redshift
DAWS Snowball
Explanation
Amazon Kinesis is designed for real-time data streaming, while the others serve different purposes.