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Question 36

A development team is using an IAM Key Management Service (IAM KMS) CMK to try to encrypt and decrypt a secure string parameter from IAM Systems Manager Parameter Store. However, the development team receives an error message on each attempt.

Which issues that are related to the CMK could be reasons for the error? (Select TWO.)

Options:

A.

The CMK that is used in the attempt does not exist.

B.

The CMK that is used in the attempt needs to be rotated.

C.

The CMK that is used in the attempt is using the CMK's key ID instead of the CMK ARN.

D.

The CMK that is used in the attempt is not enabled.

E.

The CMK that is used in the attempt is using an alias.

Question 37

A company has a group of Amazon EC2 instances in a single private subnet of a VPC with no internet gateway attached. A security engineer has installed the Amazon CloudWatch agent on all instances in that subnet to capture logs from a specific application. To ensure that the logs flow securely, the company's networking team has created VPC endpoints for CloudWatch monitoring and CloudWatch logs. The networking team has attached the endpoints to the VPC.

The application is generating logs. However, when the security engineer queries CloudWatch, the logs do not appear.

Which combination of steps should the security engineer take to troubleshoot this issue? (Choose three.)

Options:

A.

Ensure that the EC2 instance profile that is attached to the EC2 instances has permissions to create log streams and write logs.

B.

Create a metric filter on the logs so that they can be viewed in the AWS Management Console.

C.

Check the CloudWatch agent configuration file on each EC2 instance to make sure that the CloudWatch agent is collecting the proper log files.

D.

Check the VPC endpoint policies of both VPC endpoints to ensure that the EC2 instances have permissions to use them.

E.

Create a NAT gateway in the subnet so that the EC2 instances can communicate with CloudWatch.

F.

Ensure that the security groups allow all the EC2 instances to communicate with each other to aggregate logs before sending.

Question 38

A company is implementing a new application in a new IAM account. A VPC and subnets have been created for the application. The application has been peered to an existing VPC in another account in the same IAM Region for database access. Amazon EC2 instances will regularly be created and terminated in the application VPC, but only some of them will need access to the databases in the peered VPC over TCP port 1521. A security engineer must ensure that only the EC2 instances that need access to the databases can access them through the network.

How can the security engineer implement this solution?

Options:

A.

Create a new security group in the database VPC and create an inbound rule that allows all traffic from the IP address range of the application VPC. Add a new network ACL rule on the database subnets. Configure the rule to TCP port 1521 from the IP address range of the application VPC. Attach the new security group to the database instances that the application instances need to access.

B.

Create a new security group in the application VPC with an inbound rule that allows the IP address range of the database VPC over TCP port 1521. Create a new security group in the database VPC with an inbound rule that allows the IP address range of the application VPC over port 1521. Attach the new security group to the database instances and the application instances that need database access.

C.

Create a new security group in the application VPC with no inbound rules. Create a new security group in the database VPC with an inbound rule that allows TCP port 1521 from the new application security group in the application VPC. Attach the application security group to the application instances that need database access, and attach the database security group to the database instances.

D.

Create a new security group in the application VPC with an inbound rule that allows the IP address range of the database VPC over TCP port 1521. Add a new network ACL rule on the database subnets. Configure the rule to allow all traffic from the IP address range of the application VPC. Attach the new security group to the application instances that need database access.

Question 39

A company has an application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The instances are in an Amazon EC2 Auto Scaling group and are attached to Amazon Elastic Blodfc Store (Amazon EBS) volumes.

A security engineer needs to preserve all forensic evidence from one of the instances.

Which order of steps should the security engineer use to meet this requirement?

Options:

A.

Take an EBS volume snapshot of the instance and store the snapshot in an Amazon S3 bucket. Take a memory snapshot of the instance and store the snapshot in an S3 bucket. Detach the instance from the Auto Scaling group. Deregister the instance from the ALB. Stop the instance.

B.

Take a memory snapshot of the instance and store the snapshot in an Amazon S3 bucket. Stop the instance. Take an EBS volume snapshot of the instance

and store the snapshot in an S3 bucket. Detach the instance from the Auto Scaling group. Deregister the instance from the ALB.

C.

Detach the instance from the Auto Scaling group. Deregister the instance from the ALB. Take an EBS volume snapshot of the instance and store the snapshot

in an Amazon S3 bucket. Take a memory snapshot of the instance and store the snapshot in an S3 bucket. Stop the instance

D.

Detach the instance from the Auto Scaling group Deregister the instance from the ALB. Stop the instance. Take a memory snapshot of the instance and store the snapshot in an Amazon S3 bucket. Take an EBS volume snapshot of the instance and store the snapshot in an S3 bucket.

Page: 9 / 24
Exam Code: SCS-C02
Exam Name: AWS Certified Security - Specialty
Last Update: May 24, 2024
Questions: 327
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