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NEW QUESTION # 264
A security team manages a company's AWS Key Management Service (AWS KMS) customer managed keys. Only members of the security team can administer the KMS keys. The company's application team has a software process that needs temporary access to the keys occasionally.
The security team needs to provide the application team's software process with access to the keys. Which solution will meet these requirements with the LEAST operational overhead?
Answer: A
Explanation:
AWS KMS key grants are specifically designed to provide temporary, granular permissions to use customer managed keys without modifying key policies. According to the AWS Certified Security - Specialty Study Guide, grants are the preferred mechanism for delegating key usage permissions to AWS principals for short-term or programmatic access scenarios. Grants allow permissions such as Encrypt, Decrypt, or GenerateDataKey and can be created and revoked dynamically.
Using a key grant avoids the operational risk and overhead of editing key policies, which are long- term control mechanisms and should remain stable. AWS documentation emphasizes that frequent key policy changes increase the risk of misconfiguration and accidental privilege escalation. Grants can be revoked immediately when access is no longer required, ensuring strong adherence to the principle of least privilege.
Options A and D violate AWS security best practices because AWS KMS does not allow direct export of key material unless the key was explicitly created as an importable key, and exporting key material increases exposure risk. Option B requires manual policy changes and rollback, which introduces operational overhead and audit complexity.
AWS recommends key grants as the most efficient and secure way to provide temporary access to KMS keys for applications.
NEW QUESTION # 265
A company uses Amazon EC2 instances to host frontend services behind an Application Load Balancer. Amazon Elastic Block Store (Amazon EBS) volumes are attached to the EC2 instances. The company uses Amazon S3 buckets to store large files for images and music. The company has implemented a security architecture on AWS to prevent, identify, and isolate potential ransomware attacks. The company now wants to further reduce risk. A security engineer must develop a disaster recovery solution that can recover to normal operations if an attacker bypasses preventive and detective controls. The solution must meet an RPO of1 hour.
Which solution will meet these requirements?
Answer: C
Explanation:
An RPO of1 hourmeans the company must be able to restore data with at most60 minutes of loss. Option A directly meets this by usingAWS Backupto takehourly backupsof both the compute layer (EC2) and the data layer (S3). AWS Backup provides centralized policy-based scheduling, retention, and (when configured) immutable protections such as Backup Vault Lock to help defend backups from tampering--important in ransomware recovery scenarios. Backing up the S3 buckets hourly also addresses recovery of critical objects such as images and music that users rely on.
In addition, recovery to "normal operations" is not only about data restoration; it also requires rapidly re-creating infrastructure reliably. UsingAWS CloudFormation templatesstored in aversion- controlled Git repositorysupports consistent, repeatable rebuilds of the ALB, EC2 fleet configuration, IAM roles, security groups, and related components. This infrastructure-as-code approach reduces human error under incident pressure and accelerates disaster recovery execution.
NEW QUESTION # 266
A company has two AWS accounts: Account A and Account B. Each account has a VPC. An application that runs in the VPC in Account A needs to write to an Amazon S3 bucket in Account B. The application in Account A already has permission to write to the S3 bucket in Account B.
The application and the S3 bucket are in the same AWS Region. The company cannot send network traffic over the public internet.
Which solution will meet these requirements?
Answer: A
Explanation:
To keep S3 accessoff the public internet, the standard AWS approach is to use anAmazon S3 gateway VPC endpoint(AWS PrivateLink for S3 is not used; S3 uses gateway endpoints). A gateway endpoint adds routes in the VPC route tables so traffic destined for S3 stays on the AWS backbone network rather than traversing an internet gateway, NAT gateway, or public IP paths.
This satisfies the "cannot send traffic over the public internet" requirement while allowing the application in Account A to reach S3 in the same Region.
Cross-account bucket access is controlled byIAM and the S3 bucket policy, not by networking between the two accounts' VPCs. The bucket resides in S3 (a regional service), not inside Account B's VPC, so connecting VPC-to-VPC (peering, transit gateway, VPN) does not inherently provide private access to S3. Those options would add complexity and still typically require internet/NAT unless S3 endpoints are used.
With the gateway endpoint in Account A, the application can privately reach S3, and because permissions are already granted to write to the bucket in Account B, the write operations will succeed without public internet routing.
NEW QUESTION # 267
A company has a large fleet of Amazon Linux 2 Amazon EC2 instances that run an application. The application processes sensitive data and has the following compliance requirements:
* No remote access management ports to the EC2 instances can be exposed internally or externally.
* All remote session activity must be recorded in an audit log.
* All remote access to the EC2 instances must be authenticated and authorized by AWS IAM Identity Center.
The company's DevOps team occasionally needs to connect to one of the EC2 instances to troubleshoot issues.
Which solution will provide remote access to the EC2 instances while meeting the compliance requirements?
Answer: D
Explanation:
AWS Systems Manager Session Manager providessecure, auditable, and portless accessto EC2 instances.
According to the AWS Certified Security - Specialty Study Guide, Session Manager allows administrators to connect to instanceswithout opening inbound SSH or RDP ports, fully satisfying strict compliance requirements.
Session Manager integrates directly withAWS IAM Identity Center, ensuring that all access is authenticated and authorized using centralized identity management. Additionally, Session Manager automatically records session activity and can send logs to Amazon CloudWatch Logs or Amazon S3, providing a complete audit trail of all commands executed during a session.
Option A (EC2 serial console) does not provide comprehensive auditing and is intended for recovery scenarios. Option B requires inbound network access and security group rules, violating the "no exposed management ports" requirement. Option D explicitly opens ports, which directly violates compliance constraints.
AWS documentation clearly identifiesSystems Manager Session Manager as the recommended solution for secure, auditable, and identity-integrated instance accessin regulated environments.
* AWS Certified Security - Specialty Official Study Guide
* AWS Systems Manager Session Manager Documentation
* AWS IAM Identity Center Best Practices
NEW QUESTION # 268
A company that uses AWS Organizations is using AWS IAM Identity Center to administer access to AWS accounts. A security engineer is creating a custom permission set in IAM Identity Center. The company will use the permission set across multiple accounts. An AWS managed policy and a customer managed policy are attached to the permission set. The security engineer has full administrative permissions and is operating in the management account.
When the security engineer attempts to assign the permission set to an IAM Identity Center user who has access to multiple accounts, the assignment fails.
What should the security engineer do to resolve this failure?
Answer: B
Explanation:
AWS IAM Identity Center permission sets that include customer managed policies require those policies to exist in each target account. According to the AWS Certified Security - Specialty Study Guide, customer managed policies are account-scoped and are not automatically propagated across accounts by Identity Center.
When assigning a permission set across multiple accounts, Identity Center attempts to attach the referenced customer managed policy in each account. If the policy does not exist, the assignment fails. Creating the same customer managed policy with identical name and permissions in every target account resolves the issue.
Option B increases complexity. Option C does not address the root cause. Option D violates Identity Center management best practices.
AWS documentation clearly states that customer managed policies must be present in all accounts where permission sets are applied.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
AWS IAM Identity Center Permission Sets
AWS Organizations and Identity Center Policy Management
NEW QUESTION # 269
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