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 that sensitive data is encrypted at rest in S3. What should they configure?
AS3 Bucket Versioning
BS3 Security Policies
CServer-Side Encryption
DCloudFront Distribution
Explanation
Server-Side Encryption is specifically for encrypting data at rest, unlike the other options.
Q222
You are configuring IAM roles for an application that runs on EC2 with access to S3. What happens when the application assumes a role with insufficient permissions?
AThe application retrieves partial data.
BAccess is denied for operations.
CPerformance is significantly affected.
DThe application auto-scales up.
Explanation
If the role has insufficient permissions, all access attempts will be denied, ensuring security.
Q223
Which AWS service allows you to create custom policies for resource access?
AAWS IAM
BAWS Shield
CAWS Inspector
DAWS Config
Explanation
AWS IAM enables custom policies for resource access, while others focus on protection and compliance issues.
Q224
A company needs to ensure data is encrypted in transit for their S3 bucket. Which method should they use?
AEnable bucket versioning
BUse HTTPS for requests
CEnable lifecycle policies
DSet bucket public access
Explanation
Using HTTPS ensures data is encrypted in transit; the other options do not provide encryption in transit.
Q225
You are configuring an AWS Lambda function attached to an API Gateway. What is the maximum time a single invocation can run?
A30 seconds
B5 minutes
C15 minutes
D1 hour
Explanation
AWS Lambda functions can run for up to 15 minutes; the other options exceed or mismatch this limit.
Q226
Which service provides fine-grained access control for AWS resources?
AAWS Identity and Access Management (IAM)
BAWS CloudTrail
CAmazon S3
DAWS Config
Explanation
IAM allows you to manage access permissions, whereas the others focus on activity logging or resource management.
Q227
A company needs to ensure that all sensitive API calls are logged for compliance. Which AWS service should they use?
AAWS Lambda
BAmazon CloudWatch
CAWS CloudTrail
DAmazon GuardDuty
Explanation
CloudTrail specifically logs API calls for auditing, unlike the other services which serve different purposes.
Q228
You are configuring a security group for an EC2 instance. What happens when you try to allow port 8080 from 0.0.0.0/0?
AAllows all traffic to port 8080
BBlocks all traffic to port 8080
CRestricts traffic to specific IPs
DOnly allows intra-VPC traffic
Explanation
Allowing from 0.0.0.0/0 enables global access, while the other options incorrectly describe security group behavior.
Q229
Which service can help enforce data access policies on AWS resources?
AAWS Identity and Access Management (IAM)
BAWS CloudTrail
CAmazon S3
DAmazon CloudWatch
Explanation
IAM manages access permissions for AWS resources, while others serve different purposes.
Q230
A company needs to regularly audit its AWS environment for potential security issues. Which service should they use?
AAWS Config
BAmazon EC2
CAWS Lambda
DAmazon RDS
Explanation
AWS Config provides continuous resource monitoring and auditing against desired configurations.