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NEW QUESTION # 247
A company uses AWS IAM Identity Center to manage access to its AWS accounts. The accounts are in an organization in AWS Organizations. A security engineer needs to set up delegated administration of IAM Identity Center in the organization's management account.
Which combination of steps should the security engineer perform in IAM Identity Center before configuring delegated administration? (Select THREE.)
Answer: B,C,F
Explanation:
AWS IAM Identity Center delegated administration requires foundational configuration to be completed in the organization's management account before delegation. According to the AWS Certified Security - Specialty documentation, IAM Identity Center must be enabled with a directory in the management account before any delegation can occur.
Permission sets must be created in the management account because they define the permissions that will later be delegated to member accounts. Additionally, user assignments must initially exist in the management account to establish baseline access control before delegation is configured.
Option A is too generic and not a required prerequisite step. Option C is unrelated to Identity Center delegation. Option E is incorrect because IAM Identity Center uses identities from its directory or external IdPs, not IAM users.
AWS guidance clearly outlines directory creation, permission set definition, and initial user assignments as mandatory preparatory steps for delegated administration.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
AWS IAM Identity Center Delegated Administration
AWS Organizations and Identity Center Integration
NEW QUESTION # 248
A company's security engineer is designing an isolation procedure for Amazon EC2 instances as part of an incident response plan. The security engineer needs to isolate a target instance to block any traffic to and from the target instance, except for traffic from the company's forensics team. Each of the company's EC2 instances has its own dedicated security group. The EC2 instances are deployed in subnets of a VPC. A subnet can contain multiple instances.
The security engineer is testing the procedure for EC2 isolation and opens an SSH session to the target instance. The procedure starts to simulate access to the target instance by an attacker. The security engineer removes the existing security group rules and adds security group rules to give the forensics team access to the target instance on port 22.
After these changes, the security engineer notices that the SSH connection is still active and usable. When the security engineer runs a ping command to the public IP address of the target instance, the ping command is blocked.
What should the security engineer do to isolate the target instance?
Answer: A
Explanation:
Amazon EC2 security groups arestateful, meaning that once a connection is established, return traffic is automatically allowed, even if the inbound rule that originally permitted the connection is later removed.
According to the AWS Certified Security - Specialty Official Study Guide and Amazon EC2 security documentation,existing connections are not terminated when security group rules change. This explains why the SSH session remains active even after the security group rules were modified, while new traffic such as ICMP ping is blocked.
To immediately and fully isolate an EC2 instance during an incident response scenario, AWS recommends usingstateless network controls. Amazon VPC network ACLs (NACLs) arestateless, which means that every packet is evaluated against the ACL rules regardless of whether the traffic is part of an existing connection. When a deny rule is added,all traffic is immediately blocked, including active sessions.
By creating a network ACL and associating it with the subnet that contains the target instance, and by adding explicit deny rules with the lowest rule numbers for both inbound and outbound traffic, the security engineer ensures thatall network communication to and from the instance is immediately interrupted. This approach satisfies the requirement to isolate the instance while preserving its runtime state and memory for forensic analysis.
Other options fail to meet the requirement because security group modifications do not terminate existing sessions, Systems Manager does not enforce network isolation, and host-level firewall changes require instance-level access and do not provide immediate, network-enforced isolation.
* AWS Certified Security - Specialty Official Study Guide
* Amazon EC2 Security Groups Documentation
* Amazon VPC Network ACL Documentation
* AWS Incident Response Best Practices
NEW QUESTION # 249
A company uses an organization in AWS Organizations to manage multiple AWS accounts. The company uses AWS IAM Identity Center to manage access to the accounts. The company uses AWS Directory Service as an identity source. Employees access the AWS console and specific AWS accounts and permissions through the AWS access portal.
A security engineer creates a new permissions set in IAM Identity Center and assigns the permissions set to one of the member accounts in the organization. The security engineer assigns the permissions set to a user group for developers namedDevOpsin the member account. The security engineer expects all the developers to see the new permissions set listed for the member account in the AWS access portal. All the developers except for one can see the permissions set. The security engineer must ensure that the remaining developer can see the permissions set in the AWS access portal.
Which solution will meet this requirement?
Answer: D
Explanation:
In IAM Identity Center, users see accounts and permission sets in the AWS access portal based onassignments. Here, the new permission set was assigned to theDevOps groupfor a specific member account.
Sinceall developers except onecan see the permission set, the permission set itself and the account assignment are working correctly. The most likely cause is that the remaining developer isnot actually a memberof the DevOps group in the identity source (AWS Directory Service / Active Directory), or their group membership is not reflected due to missing/incorrect directory group assignment.
The least disruptive fix is to ensure the developer's identity is correctly included in theDevOpsgroup within the directory. Once the user is a member of the assigned group (and after normal identity sync/refresh behavior), IAM Identity Center will evaluate the user as entitled to that permission set, and it will appear in the access portal.
Option B is unnecessary because the assignment is already effective for others. Option C is unrelated; service- linked roles for Organizations do not determine portal entitlements. Option D would not explain why only one user cannot see the permission set; if console access were misconfigured, it would affect all users assigned that permission set.
NEW QUESTION # 250
A company stores infrastructure and application code in web-based, third-party, Git-compatible code repositories outside of AWS. The company wants to give the code repositories the ability to securely authenticate and assume an existing IAM role within the company's AWS account by using OpenID Connect (OIDC). Which solution will meet these requirements?
Answer: C
Explanation:
AWS IAM supports identity federation by allowing external identity providers that use OpenID Connect (OIDC) to authenticate and assume IAM roles. According to the AWS Certified Security - Specialty documentation, IAM OIDC identity providers are the recommended approach for enabling third-party systems, such as external CI/CD pipelines or Git-based repositories, to securely obtain temporary AWS credentials without using long-term access keys.
By creating an OIDC identity provider in IAM and configuring the IAM role trust policy to trust the external IdP, the company enables secure, token-based authentication. The trust policy can include conditions that restrict which repositories, branches, or workflows are allowed to assume the role, enforcing least privilege. AWS Security Specialty guidance emphasizes that this method eliminates static credentials and relies on short-lived tokens issued by the OIDC provider.
Option B is incorrect because IAM Roles Anywhere is designed for workloads running outside AWS that use X.509 certificates, not OIDC. Option C is intended for workforce identity federation, not machine-to-machine authentication. Option D is invalid because AWS RAM does not provide identity federation or authentication capabilities.
This solution aligns with AWS best practices for secure, scalable, and low-overhead authentication for external workloads.
NEW QUESTION # 251
A company is developing an application that runs across a combination of Amazon EC2 On-Demand Instances and Spot Instances. A security engineer needs to provide a logging solution that makes logs for all instances available from a single location. The solution must allow only a specific set of users to analyze the logs for events patterns. The users must be able to use SQL queries on the logs to perform root cause analysis.
Which solution will meet these requirements?
Answer: C
Explanation:
Option A satisfies all requirements with the most direct, purpose-built AWS logging workflow. By using the CloudWatch Agent (or fluent-bit / unified logging configuration) on each EC2 instance-regardless of whether it is On-Demand or Spot-the application logs can be centralized into asingle Amazon CloudWatch Logs log group. Centralization ensures the logs remain available even as Spot Instances are interrupted and replaced. Access control is handled withIAM policies(and optionally resource policies/KMS encryption) so that only a specific set of users can read/query the log group.
For analysis,CloudWatch Logs Insightsprovides an interactive query language that is SQL-like and commonly treated as "SQL queries" for troubleshooting. It enables fast filtering, aggregation, and pattern detection across large log volumes without building a separate data lake pipeline. This supports event-pattern analysis and root cause investigation directly from the centralized log group.
Option B is incorrect because Logs Insights queries CloudWatch Logs data, not arbitrary log files sitting in S3. Option C is inefficient (many log groups) and Athena cannot directly query CloudWatch log groups as a native data source. Option D is incorrect because Amazon Detective is for security investigations across supported data sources and is not the primary service for ad-hoc SQL-style querying of application logs.
NEW QUESTION # 252
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