Topic 3: Exam Pool C
A company runs an application on AWS that performs batch jobs. The application is fault-tolerant and can handle interruptions. The company wants to optimize the cost to run the application.
Which AWS offering will meet these requirements?
A. Amazon Macie
B. Amazon Neptune
C. Amazon EC2 Spot Instances
D. Amazon EC2 On-Demand Instances
A company is building an application that needs to deliver images and videos globally with minimal latency.
Which approach can the company use to accomplish this in a cost effective manner?
A. Deliver the content through Amazon CloudFront.
B. Store the content on Amazon S3 and enable S3 cross-region replication.
C. Implement a VPN across multiple AWS Regions.
D. Deliver the content through AWS PrivateLink.
Explanation: Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds, all within a developer-friendly environment. It works seamlessly with services including AWS Shield for DDoS mitigation, Amazon S3, Elastic Load Balancing or Amazon EC2 as origins for your applications, and Lambda@Edge to run custom code closer to customers’ users and to customize the user experience. By using CloudFront, you can cache your content at the edge locations that are closest to your end users, reducing the network latency and improving the performance of your application. CloudFront also offers a pay-as-you-go pricing model, so you only pay for the data transfer and requests that you use.
Which AWS Cloud design principle is a company using when the company implements AWS CloudTrail?
A. Activate traceability.
B. Use serverless compute architectures.
C. Perform operations as code.
D. Go global in minutes.
A company needs to migrate a PostgreSQL database from on-premises to Amazon RDS.
Which AWS service or tool should the company use to meet this requirement?
A. Cloud Adoption Readiness Tool
B. AWS Migration Hub
C. AWS Database Migration Service (AWS DMS)
D. AWS Application Migration Service
Which AWS service can identify when an Amazon EC2 instance was terminated?
A. AWS Identity and Access Management (IAM)
B. AWS CloudTrail
C. AWS Compute Optimizer
D. Amazon EventBridge
Which AWS service provides the ability to manage infrastructure as code?
A. AWS CodePipeline
B. AWS CodeDeploy
C. AWS Direct Connect
D. AWS CloudFormation
A company is expecting a short-term spike in internet traffic for its application. During the traffic increase, the application cannot be interrupted. The company also needs to minimize cost and maximize flexibility.
A company needs to use a serverless interactive query service to analyze data in Amazon S3. The query service
must support standard SQL.
Which AWS service will meet these requirements?
A. Amazon Redshift
B. AWS Glue
C. Amazon Athena
D. Amazon Kinesis Data Streams
Which AWS service or tool provides users with a graphical interface that they can use to manage AWS services?
A. AWS Copilot
B. AWS CLI
C. AWS Management Console
D. AWS software development kits (SDKs)
Which VPC component provides a layer of security at the subnet level?
A. Security groups
B. Network ACLs
C. NAT gateways
D. Route tables
Which pillar of the AWS Well-Architected Framework focuses on the ability to recover automatically from service Interruptions?
A. Security
B. Performance efficiency
C. Operational excellence
D. Reliability
Which AWS service provides highly durable object storage?
A. Amazon S3
B. Amazon Elastic File System (Amazon EFS)
C. Amazon Elastic Block Store (Amazon EBS)
D. Amazon FSx
An ecommerce company wants to use Amazon EC2 Auto Scaling to add and remove EC2 instances based on CPU utilization.
Which AWS service or feature can initiate an Amazon EC2 Auto Scaling action to achieve this goal?
A. Amazon Simple Queue Service (Amazon SQS)
B. Amazon Simple Notification Service (Amazon SNS)
C. AWS Systems Manager
D. Amazon CloudWatch alarm
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