The AWS Certified Solutions Architect – Professional (SAP-C02) exam validates advanced skills in designing distributed systems on AWS. It is ideal for experienced architects looking to demonstrate their expertise.
What happens when an EC2 instance is stopped and then started again?
AIt retains the same IP address
BIt loses all data on EBS
CIt charges for EBS only
DIt retains instance metadata
Explanation
A stopped and restarted EC2 retains its Elastic IP address but can lose public IP unless assigned an Elastic IP; data on EBS is preserved unless it’s an instance store volume.
Q142
Which service provides a fully managed database option that scales automatically?
AAmazon Aurora
BAmazon DynamoDB
CAmazon RDS
DAmazon Redshift
Explanation
DynamoDB is fully managed and scales seamlessly, while RDS and Aurora require instance management.
Q143
You are configuring an EC2 instance for a web application. What happens if you use an incompatible security group?
AInstance will not start.
BInstance will have restricted access.
CInstance will terminate automatically.
DInstance will function normally.
Explanation
Incompatible security groups lead to access restrictions but don't prevent instance startup.
Q144
A company needs to ensure compliance for personal data. Which AWS service should they use for monitoring and reporting?
AAWS CloudTrail
BAWS Config
CAmazon GuardDuty
DAmazon Inspector
Explanation
AWS Config monitors compliance against policies, while CloudTrail logs API calls without compliance checks.
Q145
Which service is best for real-time streaming analytics?
AAWS Lambda
BAmazon Kinesis
CAWS Glue
DAmazon S3
Explanation
Amazon Kinesis is designed for real-time streaming data, while Lambda is for event-driven compute, Glue is for ETL, and S3 is for storage.
Q146
A company needs to ensure that specific users have permission to only access certain AWS resources. What should they implement?
AIAM roles
BIAM policies
CAWS Organizations
DVPC security groups
Explanation
IAM policies allow precise access control to resources, whereas roles and organizations serve broader management purposes, and security groups control network access, not resource permissions.
Q147
You are configuring a VPC peering connection. What happens if the route tables are not updated?
AVPCs do not connect
BTraffic is still routed
COnly DNS resolve works
DNo traffic flows between VPCs
Explanation
Without updated route tables, traffic cannot flow between peered VPCs; they remain unable to communicate over the peering connection.
Q148
Which AWS service can automatically scale resources based on demand?
AAmazon Elastic Load Balancing
BAWS Lambda
CAmazon EC2 Auto Scaling
DAmazon RDS
Explanation
EC2 Auto Scaling adjusts instance count automatically; others do not.
Q149
A company needs to securely manage keys used to encrypt data in Amazon S3. Which service should they use?
AAWS Secrets Manager
BAWS Key Management Service (KMS)
CAmazon Macie
DAWS Config
Explanation
AWS KMS manages encryption keys for S3 securely; others are not designed for this purpose.
Q150
What happens when a non-root IAM user tries to attach an IAM policy to itself?
AThe policy is attached successfully.
BAn error is shown due to permissions.
CThe IAM policies are merged.
DNothing, they cannot attach policies.
Explanation
Non-root IAM users cannot modify their own permissions; other options imply incorrect permissions management.