Which task can a company perform by using security groups in the AWS Cloud?
A. Allow access to an Amazon EC2 instance through only a specific port.
B. Deny access to malicious IP addresses at a subnet level.
C. Protect data that is cached by Amazon Cloud Front.
D. Apply a stateless firewall to an Amazon EC2 instance.
#342
(Accuracy: 100% / 2 votes)
A company has a large number of Linux Amazon EC2 instances across several Availability Zones in an AWS Region. Applications that run on the EC2 instances need access to a common set of files.
Which AWS service or device should the company use to meet this requirement?
A. AWS Backup
B. Amazon Elastic File System (Amazon EFS)
C. Amazon Elastic Block Store (Amazon EBS)
D. AWS Snowball Edge Storage Optimized
#343
(Accuracy: 100% / 13 votes)
Which benefit of cloud computing gives a company the ability to deploy applications to users all over the world through a network of AWS Regions, Availability Zones, and edge locations?
A. Economy of scale
B. Global reach
C. Agility
D. High availability
#344
(Accuracy: 100% / 5 votes)
A company is designing AWS architecture that will add compute resources when the company needs them. The architecture also includes a disaster recovery plan with automatic failover.
Which pillar of the AWS Well-Architected Framework does this architecture represent?
A. Reliability
B. Operational excellence
C. Security
D. Performance efficiency
#345
(Accuracy: 100% / 5 votes)
Which AWS service should a company use to create a NoSQL database?
A. Amazon Aurora
B. Amazon DynamoDB
C. Amazon Redshift
D. Amazon Neptune
#346
(Accuracy: 100% / 4 votes)
Which design principles of the AWS Well-Architected Framework help increase reliability? (Choose two.)
A. Automatically recover from failure.
B. Enable traceability.
C. Scale horizontally to increase workload availability.
D. Automate security best practices.
E. Keep people away from data.
#347
(Accuracy: 100% / 11 votes)
Which AWS service should a company use to create a serverless workflow?
A. Amazon Connect
B. AWS Lambda
C. AWS Step Functions
D. Amazon Elastic Block Store (Amazon EBS)
E. AWS CodeBuild
#348
(Accuracy: 100% / 10 votes)
Which pillar of the AWS Well-Architected Framework focuses on the return on investment of moving into the AWS Cloud?
A. Sustainability
B. Cost optimization
C. Operational excellence
D. Reliability
#349
(Accuracy: 100% / 4 votes)
Which of the following is an AWS value proposition that describes a user's ability to scale infrastructure based on demand?
A. Speed of innovation
B. Resource elasticity
C. Decoupled architecture
D. Global deployment
#350
(Accuracy: 96% / 11 votes)
A company is using AWS for all its IT infrastructure. The company's developers are allowed to deploy applications on their own. The developers want to deploy their applications without having to provision the infrastructure themselves.
Which AWS service should the developers use to meet these requirements?