1. Which AWS service can be used to collect, process, and store log data, providing real-time data streaming and search capabilities, and integration with other AWS services?

A) Amazon Elasticsearch Service
B) Amazon Kinesis Data Firehose
C) Amazon CloudWatch Logs
D) AWS CloudTrail



2. What is the maximum number of VPCs that can be created per AWS account, and what is the default limit of subnets per VPC in the Amazon VPC service?

A) There is no limit to the number of VPCs that can be created per AWS account, and the default limit of subnets per VPC is 5.
B) The maximum number of VPCs that can be created per AWS account is 5, and the default limit of subnets per VPC is 5.
C) The maximum number of VPCs that can be created per AWS account is 10, and the default limit of subnets per VPC is 5.
D) The maximum number of VPCs that can be created per AWS account is 100, and the default limit of subnets per VPC is 5.
E) The maximum number of VPCs that can be created per AWS account is 5, and the default limit of subnets per VPC is 10.


3. Which of the following statements accurately describe the features of Amazon S3 lifecycle policies for machine learning workloads?

A) Amazon S3 lifecycle policies allow you to automatically move data between S3 and other AWS services for machine learning workloads.
B) Amazon S3 lifecycle policies allow you to automate the transition of objects between storage classes based on their age, reducing storage costs for machine learning workloads.
C) Amazon S3 lifecycle policies allow you to automatically tag objects stored in S3 based on their content, improving data organization and management for machine learning workloads.
D) Amazon S3 lifecycle policies enable you to automatically delete objects from S3 based on pre-defined criteria, helping to manage data lifecycle for machine learning workloads.
E) Amazon S3 lifecycle policies provide automatic encryption of all objects stored in S3, ensuring the security of machine learning workloads.


4. You are developing a machine learning application that requires a high-performance file system that can be accessed by multiple EC2 instances simultaneously. Which of the following Amazon FSx options would be the best choice for your application?

A) Amazon EFS
B) Amazon FSx for NetApp ONTAP
C) Amazon FSx for Lustre
D) None of the above
E) Amazon FSx for Windows File Server


5. You are responsible for monitoring and analyzing the activities of multiple AWS accounts in your organization. Which of the following statements about AWS CloudTrail is true?

A) AWS CloudTrail stores log files in an S3 bucket in the same region as the trail.
B) AWS CloudTrail only provides real-time monitoring of API activity.
C) AWS CloudTrail can track user activity across all AWS accounts in an organization.
D) AWS CloudTrail logs only management events for AWS services and resources.