单选题

Which statement about the AWS S3 service and its features is true?

A、

Once enabled, versioning can’t be turned off.

B、

S3 versioning is enabled by default for all new buckets.

C、

Once versioning is enabled on a bucket, the bucket can never be deleted.

D、

Once versioning is enabled on a bucket, its objects can never be deleted.

下载APP答题
由4l***ga提供 分享 举报 纠错

相关试题

单选题 A company needs to ensure that the newly launched EC2 instances are configured with the required security policies and software. The security team wants these desired configurations automatically applied within an hour of the instance launch.

Which SSM capability will meet this requirement?

A、

SSM Automation

B、

SSM Inventory

C、

SSM Patch Manager

D、

SSM State Manager

单选题 A SysOps Administrator needs to increase the CPU and memory resources for an EC2 instance running a mission-critical application. The application can’t afford any downtime.

Which option will allow resizing the instance without downtime?

A、

Stop the instance, change the instance type, and restart the instance.

B、

Create an AMI from the instance, launch a new, larger instance from the AMI, and terminate the original.

C、

Attach a larger EBS volume to the instance.

D、

Modify the instance type on the running instance without stopping it.

单选题 A company is deploying a distributed analytics application on EC2 that needs very low-latency networking between instances. The application is fault-tolerant and can handle outages gracefully.

Which placement group would be the best in this scenario?

A、

Cluster placement group

B、

Spread placement group

C、

Partition placement group

D、

No placement group

单选题 A bank has an application that uses multiple EC2 instances in private subnets across different AZs. The application currently relies on a single NAT gateway for downloading software updates from the internet. The bank wants to improve the application’s resiliency against NAT gateway failure or an AZ outage.

How can you design the architecture to implement a solution to this problem?

A、

Deploy three NAT gateways in each AZ. Configure the route tables for the private subnets to use the NAT gateways in the same zone.

B、

Deploy two NAT gateways in each AZ. Configure the route tables for the private subnets to use any of the NAT gateways in the same zone.

C、

Deploy a single NAT gateway in each AZ. Configure the route tables for the private subnets to use the NAT gateway in the same AZ.

D、

Deploy a single NAT gateway in each AZ. Configure the route tables for the public subnets to use the NAT gateway in the same AZ.

单选题 A security auditor needs to review which IAM users in an AWS account have MFA enabled. How can the auditor quickly generate a report to verify MFA usage across all IAM users?

A、

Use AWS Config to assess compliance of users with required MFA.

B、

Review CloudTrail logs for recent console sign-in events.

C、

Generate and download the IAM credentials report.

D、

Check the IAM Access Analyzer findings for insecure access.

单选题 A company has a daily data processing batch job that runs for an hour and sends the result to an S3 bucket. The job is not critical and can be restarted if it fails. Which option is best suited to run this job?

A、

AWS Lambda

B、

Spot Instances

C、

Reserved Instances

D、

On-Demand Instances

E、

Spot Block Instances

单选题 A financial services company plans to use CloudFormation to manage all of its AWS resources. The networking team launched a new CloudFormation stack called MyVPC-Network. This stack exports valuable information, like subnet and route table IDs, needed when creating other AWS resources. How can you automatically include the exported outputs of this stack in your CloudFormation template?

A、

Fn::ImportValue

B、

Fn::Ref

C、

Fn::GetAtt

D、

Fn::Export

单选题 A popular mobile gaming application is hosted on AWS using ECS and RDS in a Multi-AZ configuration. The app relies heavily on the RDS database instance for complex read-and-write operations. To maintain availability and performance for the application, you need to closely monitor how different threads and processes use the RDS CPU and memory.

Which AWS service or feature will allow you to monitor the resource utilization for your database for different threads and processes?

A、

Use the CPU utilization and memory utilization metrics for the database instance in CloudWatch.

B、

Use RDS custom metrics to collect the CPU and memory utilization of the database.

C、

Enable RDS enhanced monitoring for the database.

D、

Use AWS X-Ray to collect the CPU and memory utilization of the database.