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Viewing questions 141-150 out of questions

Questions # 141:

A company uses a third-party identity provider and SAML-based SSO for its AWS accounts. After the third-party identity provider renewed an expired signing certificate, users saw the following message when trying to log in:

Error: Response Signature Invalid (Service: AWSSecurityTokenService; Status Code: 400; Error Code: InvalidldentityToken)

A security engineer needs to provide a solution that corrects the error and min-imizes operational overhead.

Which solution meets these requirements?

Options:

Upload the third-party signing certificate's new private key to the AWS identity provider entity defined in AWS Identity and Access Management (IAM) by using the AWS Management Console.

Sign the identity provider's metadata file with the new public key. Upload the signature to the AWS identity provider entity defined in AWS Identity and Access Management (IAM) by using the AWS CU.

Download the updated SAML metadata file from the identity service provid-er. Update the file in the AWS identity provider entity defined in AWS Identity and Access Management (IAM) by using the AWS CLI.

Configure the AWS identity provider entity defined in AWS Identity and Ac-cess Management (IAM) to synchronously fetch the new public key by using the AWS Management Console.

Questions # 142:

A company has multiple accounts in the AWS Cloud. Users in the developer account need to have access to specific resources in the production account.

What is the MOST secure way to provide this access?

Options:

Create one IAM user in the production account. Grant the appropriate permissions to the resources that are needed. Share the password only with the users that need access.

Create cross-account access with an IAM role in the developer account. Grant the appropriate permissions to this role. Allow users in the developer account to assume this role to access the production resources.

Create cross-account access with an IAM user account in the production account. Grant the appropriate permissions to this user account. Allow users in the developer account to use this user account to access the production resources.

Create cross-account access with an IAM role in the production account. Grant the appropriate permissions to this role. Allow users in the developer account to assume this role to access the production resources.

Questions # 143:

A company's engineering team is developing a new application that creates IAM Key Management Service (IAM KMS) CMK grants for users immediately after a grant IS created users must be able to use the CMK tu encrypt a 512-byte payload. During load testing, a bug appears |intermittently where AccessDeniedExceptions are occasionally triggered when a userﬁrst attempts to encrypt using the CMK

Which solution should the c0mpany‘s security specialist recommend‘?

Options:

Instruct users to implement a retry mechanism every 2 minutes until the call succeeds.

Instruct the engineering team to consume a random grant token from users, and to call the CreateGrant operation, passing it the grant token. Instruct use to use that grant token in their call to encrypt.

Instruct the engineering team to create a random name for the grant when calling the CreateGrant operation. Return the name to the users and instruct them to provide the name asthe grant token in the call to encrypt.

Instruct the engineering team to pass the grant token returned in the CreateGrant response to users. Instruct users to use that grant token in their call to encrypt.

Questions # 144:

For compliance reasons a Security Engineer must produce a weekly report that lists any instance that does not have the latest approved patches applied. The Engineer must also ensure that no system goes more than 30 days without the latest approved updates being applied

What would the MOST efficient way to achieve these goals?

Options:

Use Amazon inspector to determine which systems do not have the latest patches applied, and after 30 days, redeploy those instances with the latest AMI version

Configure Amazon EC2 Systems Manager to report on instance patch compliance and enforce updates during the defined maintenance windows

Examine IAM CloudTrail togs to determine whether any instances have not restarted in the last 30 days, and redeploy those instances

Update the AMls with the latest approved patches and redeploy each instance during the defined maintenance window

Questions # 145:

A security engineer is configuring AWS. Config for an AWS account that uses a new 1AM entity When the security engineer tries to configure AWS. Config rules and automatic remediation options, errors occur in the AWS CloudTrail logs the security engineer sees the following error message "Insufficient delivery policy to s3 bucket DOC-EXAMPLE-BUCKET, unable to write to bucket provided s3 key prefix is 'null'."

Which combination of steps should the security engineer take to remediate this issue? (Select TWO.)

Options:

Check the Amazon S3 bucket policy Verify that the policy allows the config amazon aws com service to write to the target bucket.

Verify that the 1AM entity has the permissions necessary to perform the s3 GetBucketAc1 and s3 PutObjecj operations to write to the target bucket.

Verify that the Amazon S3 bucket policy has the permissions necessary to perform the s3: GetBucketAcl and s3 PutObject" operations to write to the target bucket.

Check the policy that is associated with the 1AM entity Verify that the policy allows the config amazonaws com service to write to the target bucket.

Verify that the AWS Config service role has permissions to invoke the BatchGetResourceConfig action instead of the GetResourceConfigHistory action and s3 PutObject" operation.

Questions # 146:

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:

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.

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

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

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.

Questions # 147:

A company is using IAM Organizations to develop a multi-account secure networking strategy. The company plans to use separate centrally managed accounts for shared services, auditing, and security inspection. The company plans to provide dozens of additional accounts to application owners for production and development environments.

Company security policy requires that all internet traffic be routed through a centrally managed security inspection layer in the security inspection account. A security engineer must recommend a solution that minimizes administrative overhead and complexity.

Which solution meets these requirements?

Options:

Use IAM Control Tower. Modify the default Account Factory networking template to automatically associate new accounts with a centrally managed VPC through a VPC peering connection and to create a default route to the VPC peer in the default route table. Create an SCP that denies the CreatelnternetGateway action. Attach the SCP to all accounts except the security inspection account.

Create a centrally managed VPC in the security inspection account. Establish VPC peering connections between the security inspection account and other accounts. Instruct account owners to create default routes in their account route tables that point to the VPC peer. Create an SCP that denies theAttach InternetGateway action. Attach the SCP to all accounts except the security inspection account.

Use IAM Control Tower. Modify the default Account Factory networking template to automatically associate new accounts with a centrally managed transitgateway and to create a default route to the transit gateway in the default route table. Create an SCP that denies the AttachlnternetGateway action. Attach the SCP to all accounts except the security inspection account.

Enable IAM Resource Access Manager (IAM RAM) for IAM Organizations. Create a shared transit gateway, and make it available by using an IAM RAM resource share. Create an SCP that denies the CreatelnternetGateway action. Attach the SCP to all accounts except the security inspection account. Create routes in the route tables of all accounts that point to the shared transit gateway.

Questions # 148:

A company controls user access by using IAM users and groups in AWS accounts across an organization in AWS Organizations. The company uses an external identity provider (IdP) for workforce single sign-on (SSO). The company needs to implement a solution to provide a single management portal to access accounts within the organization. The solution must support the external IdP as a federation source.

Options:

Enable AWS IAM Identity Center. Specify the external IdP as the identity source.

Enable federation with AWS Identity and Access Management (IAM). Specify the external IdP as the identity source.

Migrate to Amazon Verified Permissions. Implement fine-grained access to AWS by using policy-based access control (PBAC).

Migrate users to AWS Directory Service. Use AWS Control Tower to centralize security across the organization.

Questions # 149:

A company operates a web application that runs on Amazon EC2 instances. The application listens on port 80 and port 443. The company uses an Application Load Balancer (ALB) with AWS WAF to terminate SSL and to forward traffic to the application instances only on port 80.

The ALB is in public subnets that are associated with a network ACL that is named NACL1. The application instances are in dedicated private subnets that are associated with a network ACL that is named NACL2. An Amazon RDS for PostgreSQL DB instance that uses port 5432 is in a dedicated private subnet that is associated with a network ACL that is named NACL3. All the network ACLs currently allow all inbound and outbound traffic.

Which set of network ACL changes will increase the security of the application while ensuring functionality?

Options:

Make the following changes to NACL3:• Add a rule that allows inbound traffic on port 5432 from NACL2.• Add a rule that allows outbound traffic on ports 1024-65536 to NACL2.• Remove the default rules that allow all inbound and outbound traffic.

Make the following changes to NACL3:• Add a rule that allows inbound traffic on port 5432 from the CIDR blocks of the application instance subnets.• Add a rule that allows outbound traffic on ports 1024-65536 to the application instance subnets.• Remove the default rules that allow all inbound and outbound traffic.

Make the following changes to NACL2:• Add a rule that allows outbound traffic on port 5432 to the CIDR blocks of the RDS subnets.• Remove the default rules that allow all inbound and outbound traffic.

Make the following changes to NACL2:• Add a rule that allows inbound traffic on port 5432 from the CIDR blocks of the RDS subnets.• Add a rule that allows outbound traffic on port 5432 to the RDS subnets.

Questions # 150:

A company has AWS accounts that are in an organization in AWS Organizations. An Amazon S3 bucket in one of the accounts is publicly accessible.

A security engineer must change the configuration so that the S3 bucket is no longer publicly accessible The security engineer also must ensure that the S3 bucket cannot be made publicly accessible in the future.

Which solution will meet these requirements?

Options:

Configure the S3 bucket to use an AWS Key Management Service (AWS KMS) key Encrypt all objects in the S3 bucket by creating a bucket policy that enforces encryption Configure an SCP to deny the s3 GetObject action for the OU that contains the AWS account.

Enable the PublicAccessBlock configuration on the S3 bucket Configure an SCP to deny the s3 GetObject action for the OU that contains the AWS account.

Enable the PublicAccessBlock configuration on the S3 bucket Configure an SCP to deny the s3 PutPublicAccessBlock action for the OU that contains the AWS account.

Configure the S3 bucket to use S3 Object Lock in governance mode Configure an SCP to deny the s3 PutPublicAccessBlock action for the OU that contains the AWS account.