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Free AWS Certified Security - Specialty Exam Braindumps (page: 13)

Page 13 of 63
PDF with 249 Questions

A System Administrator is unable to start an Amazon EC2 instance in the eu-west-1 Region using an IAM role The same System Administrator is able to start an EC2 instance in the eu-west-2 and eu- west-3 Regions. The IAMSystemAdministrator access policy attached to the System Administrator IAM role allows unconditional access to all IAM services and resources within the account.

Which configuration caused this issue?

  1. An SCP is attached to the account with the following permission statement:

  2. A permission boundary policy is attached to the System Administrator role with the following permission statement:

  3. A permission boundary is attached to the System Administrator role with the following permission statement:

  4. An SCP is attached to the account with the following statement:

Answer(s): B



A company manages three separate IAM accounts for its production, development, and test environments, Each Developer is assigned a unique IAM user under the development account. A new application hosted on an Amazon EC2 instance in the developer account requires read access to the archived documents stored in an Amazon S3 bucket in the production account.

How should access be granted?

  1. Create an IAM role in the production account and allow EC2 instances in the development account to assume that role using the trust policy. Provide read access for the required S3 bucket to this role.
  2. Use a custom identity broker to allow Developer IAM users to temporarily access the S3 bucket.
  3. Create a temporary IAM user for the application to use in the production account.
  4. Create a temporary IAM user in the production account and provide read access to Amazon S3.
    Generate the temporary IAM user's access key and secret key and store these on the EC2 instance used by the application in the development account.

Answer(s): A

Explanation:

https://IAM.amazon.com/premiumsupport/knowledge-center/cross-account-access-s3/



A company is operating a website using Amazon CloudFornt. CloudFront servers some content from Amazon S3 and other from web servers running EC2 instances behind an Application. Load Balancer (ALB). Amazon DynamoDB is used as the data store. The company already uses IAM Certificate Manager (ACM) to store a public TLS certificate that can optionally secure connections between the website users and CloudFront. The company has a new requirement to enforce end-to-end encryption in transit.

Which combination of steps should the company take to meet this requirement? (Select THREE.)

  1. Update the CloudFront distribution. configuring it to optionally use HTTPS when connecting to origins on Amazon S3
  2. Update the web application configuration on the web servers to use HTTPS instead of HTTP when connecting to DynamoDB
  3. Update the CloudFront distribution to redirect HTTP corrections to HTTPS
  4. Configure the web servers on the EC2 instances to listen using HTTPS using the public ACM TLS certificate Update the ALB to connect to the target group using HTTPS
  5. Update the ALB listen to listen using HTTPS using the public ACM TLS certificate. Update the CloudFront distribution to connect to the HTTPS listener.
  6. Create a TLS certificate Configure the web servers on the EC2 instances to use HTTPS only with that certificate. Update the ALB to connect to the target group using HTTPS.

Answer(s): B,C,E

Explanation:

To enforce end-to-end encryption in transit, the company should do the following:

Update the web application configuration on the web servers to use HTTPS instead of HTTP when connecting to DynamoDB. This ensures that the data is encrypted when it travels from the web servers to the data store.

Update the CloudFront distribution to redirect HTTP requests to HTTPS. This ensures that the viewers always use HTTPS when they access the website through CloudFront.

Update the ALB to listen using HTTPS using the public ACM TLS certificate. Update the CloudFront distribution to connect to the HTTPS listener. This ensures that the data is encrypted when it travels from CloudFront to the ALB and from the ALB to the web servers.



A company has a web-based application using Amazon CloudFront and running on Amazon Elastic Container Service (Amazon ECS) behind an Application Load Balancer (ALB). The ALB is terminating TLS and balancing load across ECS service tasks A security engineer needs to design a solution to ensure that application content is accessible only through CloudFront and that I is never accessible directly.

How should the security engineer build the MOST secure solution?

  1. Add an origin custom header Set the viewer protocol policy to HTTP and HTTPS Set the origin protocol pokey to HTTPS only Update the application to validate the CloudFront custom header.
  2. Add an origin custom header Set the viewer protocol policy to HTTPS only Set the origin protocol policy to match viewer Update the application to validate the CloudFront custom header.
  3. Add an origin custom header Set the viewer protocol policy to redirect HTTP to HTTPS Set the origin protocol policy to HTTP only Update the application to validate the CloudFront custom header.
  4. Add an origin custom header Set the viewer protocol policy to redirect HTTP to HTTPS. Set the origin protocol policy to HTTPS only Update the application to validate the CloudFront custom header.

Answer(s): D

Explanation:

To ensure that application content is accessible only through CloudFront and not directly, the security engineer should do the following:

Add an origin custom header. This is a header that CloudFront adds to the requests that it sends to the origin, but viewers cannot see or modify.

Set the viewer protocol policy to redirect HTTP to HTTPS. This ensures that the viewers always use HTTPS when they access the website through CloudFront.

Set the origin protocol policy to HTTPS only. This ensures that CloudFront always uses HTTPS when it connects to the origin.

Update the application to validate the CloudFront custom header. This means that the application checks if the request has the custom header and only responds if it does. Otherwise, it denies or ignores the request. This prevents users from bypassing CloudFront and accessing the content directly on the origin.



Page 13 of 63



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