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Amazon SCS-C01 Exam

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Question 1
The Security team believes that a former employee may have gained unauthorized access to AWS resources sometime in the past 3 months by using an identified access key.
What approach would enable the Security team to find out what the former employee may have done within AWS?

Question 2
A company is storing data in Amazon S3 Glacier. The security engineer implemented a new vault lock policy for 10TB of data and called initiate-vault-lock operation 12 hours ago. The audit team identified a typo in the policy that is allowing unintended access to the vault.
What is the MOST cost-effective way to correct this?

Question 3
A company wants to control access to its AWS resources by using identities and groups that are defined in its existing Microsoft Active Directory.
What must the company create in its AWS account to map permissions for AWS services to Active Directory user attributes?

Question 4
A company has contracted with a third party to audit several AWS accounts. To enable the audit, cross-account IAM roles have been created in each account targeted for audit. The Auditor is having trouble accessing some of the accounts.
Which of the following may be causing this problem? (Choose three.)

Question 5
Compliance requirements state that all communications between company on-premises hosts and EC2 instances be encrypted in transit. Hosts use custom proprietary protocols for their communication, and EC2 instances need to be fronted by a load balancer for increased availability.
Which of the following solutions will meet these requirements?

Question 6
An application is currently secured using network access control lists and security groups. Web servers are located in public subnets behind an Application LoadBalancer (ALB); application servers are located in private subnets.
How can edge security be enhanced to safeguard the Amazon EC2 instances against attack? (Choose two.)

Question 7
A Security Administrator is restricting the capabilities of company root user accounts. The company uses AWS Organizations and has enabled it for all feature sets, including consolidated billing. The top-level account is used for billing and administrative purposes, not for operational AWS resource purposes.
How can the Administrator restrict usage of member root user accounts across the organization?

Question 8
A Systems Engineer has been tasked with configuring outbound mail through Simple Email Service (SES) and requires compliance with current TLS standards.
The mail application should be configured to connect to which of the following endpoints and corresponding ports?

Question 9
A threat assessment has identified a risk whereby an internal employee could exfiltrate sensitive data from production host running inside AWS (Account 1). The threat was documented as follows:Threat description: A malicious actor could upload sensitive data from Server X by configuring credentials for an AWS account (Account 2) they control and uploading data to an Amazon S3 bucket within their control.
Server X has outbound internet access configured via a proxy server. Legitimate access to S3 is required so that the application can upload encrypted files to anS3 bucket. Server X is currently using an IAM instance role. The proxy server is not able to inspect any of the server communication due to TLS encryption.
Which of the following options will mitigate the threat? (Choose two.)

Question 10
A company will store sensitive documents in three Amazon S3 buckets based on a data classification scheme of `Sensitive,` `Confidential,` and `Restricted.` The security solution must meet all of the following requirements:
- Each object must be encrypted using a unique key.
- Items that are stored in the `Restricted` bucket require two-factor authentication for decryption.
- AWS KMS must automatically rotate encryption keys annually.
Which of the following meets these requirements?