The AWS Certified Security – Specialty (SCS-C03) exam tests your skills in securing AWS environments. It is designed for security professionals looking to validate their expertise in AWS security.
A company needs to ensure its S3 data is encrypted at rest using customer-managed keys. Which service must be used?
AAmazon S3
BAWS KMS
CAWS IAM
DAmazon CloudWatch
Explanation
AWS KMS is required for managing customer-managed keys for S3 encryption, while the other options do not provide key management.
Q192
What happens when an IAM policy denies an action, even if another policy allows it?
AThe action is allowed.
BThe action is denied.
CThe action is logged.
DThe action is conditionally allowed.
Explanation
IAM policies follow a deny-over-allow principle, which means a deny takes precedence over any allows.
Q193
Which AWS service provides options to centrally manage and enforce policies across AWS accounts?
AAWS Organizations
BAWS Config
CAWS CloudTrail
DAWS IAM
Explanation
AWS Organizations enables policy management across accounts, while others focus on compliance, monitoring, or identity management.
Q194
You are configuring an S3 bucket to involve multi-factor authentication (MFA). Which of the following is necessary?
AEnable bucket versioning
BUse an IAM role for access
CSpecify an MFA delete configuration
DSet a bucket policy for public access
Explanation
MFA delete must be explicitly enabled on the bucket, while others pertain to different functionalities or access methods.
Q195
What happens when an EC2 instance violates a security group rule?
AAccess is denied based on rules
BInstance is terminated immediately
CInstance logs the violation
DAll traffic is allowed
Explanation
Security group rules control inbound and outbound traffic, while other options incorrectly suggest immediate action or logging.
Q196
Which AWS service allows for secure network communication between services in a VPC?
AAWS PrivateLink
BAmazon CloudFront
CAWS Direct Connect
DAmazon Route 53
Explanation
AWS PrivateLink securely communicates within VPCs; others do not do this specifically.
Q197
A company needs to audit AWS Lambda execution permissions. Which AWS service will assist with this?
AAWS Config
BAmazon Athena
CAWS CloudTrail
DAWS Inspector
Explanation
AWS CloudTrail logs Lambda activity; others provide different functionalities.
Q198
What happens when you enable S3 Object Lock in Governance Mode?
AUsers cannot delete objects.
BOnly admin can delete objects.
CNo versioning allowed.
DCompliance audit is skipped.
Explanation
Governance Mode prevents users from deleting unless authorized; A is misleading.
Q199
Which AWS service simplifies the management of access keys?
AAWS CloudTrail
BAWS IAM Access Analyzer
CAWS Secrets Manager
DAWS CodePipeline
Explanation
AWS Secrets Manager securely stores and manages access keys, while the others focus on different functions unrelated to key management.
Q200
A company is using Amazon S3 for data storage and needs to enforce encryption. What should they do?
ATurn on Versioning in S3.
BDeploy AWS Shield.
CEnable S3 Server-Side Encryption.
DUse S3 Object Lock.
Explanation
Enabling S3 Server-Side Encryption is the correct way to enforce encryption at rest, while the other options do not directly ensure data encryption.