SCS-C02 Premium Exam Questions

AWS Certified Security - Specialty Questions and Answers

Question 85

An AWS Lambda function was misused to alter data, and a security engineer must identify who invoked the function and what output was produced. The engineer cannot find any logs create^ by the Lambda function in Amazon CloudWatch Logs.

Which of the following explains why the logs are not available?

Options:

The execution role for the Lambda function did not grant permissions to write log data to CloudWatch Logs.

The Lambda function was invoked by using Amazon API Gateway, so the logs are not stored in CloudWatch Logs.

The execution role for the Lambda function did not grant permissions to write to the Amazon S3 bucket where CloudWatch Logs stores the logs.

The version of the Lambda function that was invoked was not current.

Question 86

A company's Security Engineer has been tasked with restricting a contractor's IAM account access to the company's Amazon EC2 console without providing access to any other AWS services. The contractor's IAM account must not be able to gain access to any other AWS service, even if the IAM account is assigned additional permissions based on IAM group membership.

What should the Security Engineer do to meet these requirements?

Options:

Create an Inline IAM user policy that allows for Amazon EC2 access for the contractor's IAM user.

Create an IAM permissions boundary policy that allows Amazon EC2 access. Associate the contractor's IAM account with the IAM permissions boundary policy.

Create an IAM group with an attached policy that allows for Amazon EC2 access. Associate the contractor's IAM account with the IAM group.

Create an IAM role that allows for EC2 and explicitly denies all other services. Instruct the contractor to always assume this role.

Question 87

A company needs to implement DNS Security Extensions (DNSSEC) for a specific subdomain. The subdomain is already registered with Amazon Route 53. A security engineer has enabled DNSSEC signing and has created a key-signing key (KSK). When the security engineer tries to test the configuration, the security engineer receives an error for a broken trust chain.

What should the security engineer do to resolve this error?

Options:

Replace the KSK with a zone-signing key (ZSK).

Deactivate and then activate the KSK.

Create a Delegation Signer (DS) record in the parent hosted zone.

Create a Delegation Signer (DS) record in the subdomain.

Question 88

A company is expanding its group of stores. On the day that each new store opens, the company wants to launch a customized web application for that store. Each store's application will have a non-production environment and a production environment. Each environment will be deployed in a separate AWS account. The company uses AWS Organizations and has an OU that is used only for these accounts.

The company distributes most of the development work to third-party development teams. A security engineer needs to ensure that each team follows the company's

deployment plan for AWS resources. The security engineer also must limit access to the deployment plan to only the developers who need access. The security engineer already has created an AWS CloudFormation template that implements the deployment plan.

What should the security engineer do next to meet the requirements in the MOST secure way?

Options:

Create an AWS Service Catalog portfolio in the organization's management account. Upload the CloudFormation template. Add the template to theportfolio's product list. Share the portfolio with the OIJ.

Use the CloudFormation CLI to create a module from the CloudFormation template. Register the module as a private extension in the CloudFormationregistry. Publish the extension. In the OU, create an SCP that allows access to the extension.

Create an AWS Service Catalog portfolio in the organization's management account. Upload the CloudFormation template. Add the template to theportfolio's product list. Create an IAM role that has a trust policy that allows cross-account access to the portfolio for users in the OU accounts. Attach theAWSServiceCatalogEndUserFullAccess managed policy to the role.

Answer:

Explanation:

The correct answer is A. Create an AWS Service Catalog portfolio in the organization’s management account. Upload the CloudFormation template. Add the template to the portfolio’s product list. Share the portfolio with the OU.

According to the AWS documentation, AWS Service Catalog is a service that allows you to create and manage catalogs of IT services that are approved for use on AWS. You can use Service Catalog to centrally manage commonly deployed IT services and help achieve consistent governance and compliance requirements, while enabling users to quickly deploy only the approved IT services they need.

To use Service Catalog with multiple AWS accounts, you need to enable AWS Organizations with all features enabled. This allows you to centrally manage your accounts and apply policies across your organization. You can also use Service Catalog as a service principal for AWS Organizations, which lets you share your portfolios with organizational units (OUs) or accounts in your organization.

To create a Service Catalog portfolio, you need to use an administrator account, such as the organization’s management account. You can upload your CloudFormation template as a product in your portfolio, and define constraints and tags for it. You can then share your portfolio with the OU that contains the accounts for the web applications. This will allow the developers in those accounts to launch products from the shared portfolio using the Service Catalog end user console.

Option B is incorrect because CloudFormation modules are reusable components that encapsulate one or more resources and their configurations. They are not meant to be used as templates for deploying entire stacks of resources. Moreover, sharing a module with an OU does not grant access to launch stacks from it.

Option C is incorrect because creating an IAM role that has a trust policy that allows cross-account access to the portfolio is not secure. It would allow any user in the OU accounts to assume the role and access the portfolio, regardless of their job function or access requirements.

Option D is incorrect because sharing a module with an OU does not grant access to launch stacks from it. It also does not limit access to the deployment plan to only the developers who need access.

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AWS Certified Security - Specialty Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce