A company wants its Amazon EC2 instances to operate in a highly available environment, even if there is a natural disaster in a particular geographic area. Which solution achieves this goal?
A. Use EC2 instances in a single Availability Zone
B. Use EC2 instances in multiple AWS Regions
C. Use EC2 instances in multiple edge locations.
D. Use Amazon CloudFront with the EC2 instances configured as the source.
An application requires a database that offers consistent performance and latency that can be measured in single-digit milliseconds. Which AWS service meets these requirements?
A. Amazon DynamoDB
B. Amazon RDS
C. Amazon Redshift
D. Amazon EMR
A company needs to analyze its AWS Cloud environment to determine whether the company is following security best practices. The company wants recommendations about how to close security gaps. Which AWS service should the company use to obtain these recommendations?
A. AWS WAF
B. AWS Systems Manager
C. AWS Trusted Advisor
D. AWS Shield
A company is using AWS Identity and Access Management (IAM). Who can manage the access keys of the AWS account root user?
A. IAM users in the same account that have been granted permission
B. IAM roles in any account that have been granted permission
C. IAM users and roles that have been granted permission
D. The AWS account owner
A company needs a managed NFS file system that the company can use with its AWS compute resources. Which AWS service or feature will meet these requirements?
A. Amazon Elastic Block Store (Amazon EBS)
B. AWS Storage Gateway Tape Gateway
C. Amazon S3 Glacier Flexible Retrieval
D. Amazon Elastic File System (Amazon EFS)
A company has a set of ecommerce applications. The applications need to be able to send messages to each other. Which AWS service meets this requirement?
A. AWS Auto Scaling
B. Elastic Load Balancing
C. Amazon Simple Queue Service (Amazon SQS)
D. Amazon Kinesis Data Streams
A company is running a standard PostgreSQL database on premises. The company is migrating the database to the AWS Cloud and does not want to change the queries that access the database. The company must maximize the query performance.
Which AWS service will meet these requirements?
A. Amazon RDS for PostgreSQL
B. Amazon Aurora PostgreSQL
C. Amazon DocumentDB (with MongoDB compatibility)
D. Amazon DynamoDB
A user wants to control AWS services by using the AWS CLI.
What are the MINIMUM security credentials that the user needs to achieve this goal?
A. AWS account user name and password
B. Multi-factor authentication (MFA)
C. Access keys
D. Key pairs
A company wants to set up a Domain Name System (DNS) record for its application with a failover routing policy that is based on health checks. Which AWS service or resource should the company use to achieve this goal?
A. Amazon Connect
B. Application Load Balancer
C. Amazon Route 53
D. AWS WAF
A company that operates in the AWS Cloud wants to test workloads and team responses to simulated events. The company will conduct an exercise to identify potential issues that need to be addressed. Which design principle of the AWS Well-Architected Framework does this exercise represent?
A. Anticipate failure.
B. Automatically recover from failure.
C. Measure overall cost efficiency.
D. Implement loosely coupled dependencies.
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