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 secure sensitive data at rest in S3. What is the best practice?
AEnable versioning
BUse Server-Side Encryption
CSet bucket to public
DUse lifecycle policies
Explanation
Server-Side Encryption is specifically designed to secure data at rest, while versioning and lifecycle policies do not encrypt data inherently.
Q102
What happens when a security group rule is removed from an Amazon EC2 instance?
ATraffic is automatically allowed
BExisting connections are dropped
CNo effect on existing connections
DAll security groups are modified
Explanation
Removing a rule only affects new connections, not existing ones which remain unaffected.
Q103
Which AWS service enables you to securely store API keys?
AAWS Secrets Manager
BAWS EC2
CAWS S3
DAWS DynamoDB
Explanation
AWS Secrets Manager securely stores API keys, while the others do not serve this purpose.
Q104
A company needs to restrict AWS Lambda functions to a specific set of IP addresses. What should they use?
ASecurity Groups
BLambda Environment Variables
CIAM Policies
DAPI Gateway Resource Policies
Explanation
API Gateway Resource Policies allow IP restriction, while the others do not apply directly to Lambda functions.
Q105
What happens when an IAM user initiates a session with temporary security credentials?
AThe user gains full admin access.
BThe user operates under session policy.
CThe user's permissions are revoked.
DAll actions are logged indefinitely.
Explanation
The user operates under restricted session policy, whereas the other options misrepresent IAM functionality.
Q106
Which AWS service provides DDoS protection?
AAWS Shield
BAWS WAF
CAmazon GuardDuty
DAWS Config
Explanation
AWS Shield is specifically designed for DDoS protection; the others serve different security functions.
Q107
A company needs to restrict IAM user actions based on source IP addresses. Which feature should they use?
AIAM Roles
BIAM Policies
CSecurity Groups
DEC2 Instance Profiles
Explanation
IAM Policies can specify conditions, including source IP; the others do not control permissions at this level.
Q108
What happens when a VPC peering connection is established between two VPCs?
AVPCs can share IAM roles.
BNon-overlapping CIDRs are mandatory.
CData transfer is free.
DRoute tables are automatically updated.
Explanation
Non-overlapping CIDRs are mandatory for peering; while routes may need manual updates, the others are incorrect.
Q109
Which AWS service analyzes logs for security issues?
AAmazon GuardDuty
BAWS CloudTrail
CAmazon Inspector
DAWS Config
Explanation
Amazon GuardDuty analyzes logs and identifies threats, while the others focus on logging or compliance.
Q110
A company needs to grant temporary access to an external vendor. Which AWS feature should they use?
AIAM Roles
BIAM Groups
CResource Policies
DAccess Keys
Explanation
IAM Roles allow temporary access for users or services; the others do not have this capability.