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Which AWS benefit is demonstrated by on-demand technology services that enable companies to replace upfront fixed expenses with variable expenses?

A.
High availability
A.
High availability
Answers
B.
Economies of scale
B.
Economies of scale
Answers
C.
Pay-as-you-go pricing
C.
Pay-as-you-go pricing
Answers
D.
Global reach
D.
Global reach
Answers
Suggested answer: C

Which AWS service allows a user to provision a managed MySQL DB instance?

A.
Amazon DynamoDB
A.
Amazon DynamoDB
Answers
B.
Amazon Redshift
B.
Amazon Redshift
Answers
C.
Amazon RDS
C.
Amazon RDS
Answers
D.
AWS Database Migration Service (AWS DMS)
D.
AWS Database Migration Service (AWS DMS)
Answers
Suggested answer: C

A company is designing a web application that will run on Amazon EC2 instances.

Which AWS services and features will improve availability and reduce the impact of failures for this application? (Choose two.)

A.
Amazon EC2 Auto Scaling for the EC2 instances
A.
Amazon EC2 Auto Scaling for the EC2 instances
Answers
B.
VPC subnet ACLs to check the health of a service
B.
VPC subnet ACLs to check the health of a service
Answers
C.
Resources that are distributed across multiple Availability Zones
C.
Resources that are distributed across multiple Availability Zones
Answers
D.
Resources that are distributed across multiple AWS points of presence
D.
Resources that are distributed across multiple AWS points of presence
Answers
E.
Configuration of AWS Server Migration Service (AWS SMS) to move the EC2 instances to a different AWS Region
E.
Configuration of AWS Server Migration Service (AWS SMS) to move the EC2 instances to a different AWS Region
Answers
Suggested answer: A, C

Which of the following is an architectural design principle of the AWS Well-Architected Framework?

A.
Loosely couple components
A.
Loosely couple components
Answers
B.
Build monolithic systems
B.
Build monolithic systems
Answers
C.
Scale vertically, not horizontally
C.
Scale vertically, not horizontally
Answers
D.
Use third-party software
D.
Use third-party software
Answers
Suggested answer: A

Explanation:


Which component of the AWS global infrastructure does Amazon CloudFront use to speed up the delivery of content to users across the world?

A.
Amazon VPC
A.
Amazon VPC
Answers
B.
Edge location
B.
Edge location
Answers
C.
Local Zone
C.
Local Zone
Answers
D.
AWS Outposts connection
D.
AWS Outposts connection
Answers
Suggested answer: B

Explanation:

Amazon CloudFront is a content delivery network (CDN) that speeds up the delivery of content to users across the world. CloudFront achieves this by using a network of edge locations. An edge location is a physical location where content is cached and served to users. When a user requests content, CloudFront directs the request to the nearest edge location, where the cached content is delivered to the user. This reduces the time it takes to deliver the content and improves the user experience. By using a global network of edge locations, CloudFront is able to deliver content faster, regardless of the user's location.

Reference: https://aws.amazon.com/cloudfront/features/

A company is running a critical workload on an Amazon RDS D8 instance. The company needs the DB instance to be highly available with a recovery time of less than 5 minutes. Which solution will meet these requirements?

A.
Create a read replica of the DB instance.
A.
Create a read replica of the DB instance.
Answers
B.
Create a template of the DB instance by using AWS Cloud Formation.
B.
Create a template of the DB instance by using AWS Cloud Formation.
Answers
C.
Take frequent snapshots of the DB instance. Store the snapshots in Amazon S3.
C.
Take frequent snapshots of the DB instance. Store the snapshots in Amazon S3.
Answers
D.
Modify the DB instance to be a Multi-AZ deployment.
D.
Modify the DB instance to be a Multi-AZ deployment.
Answers
Suggested answer: D

Explanation:

A Multi-AZ deployment of Amazon RDS automatically provisions and maintains a synchronous standby replica in a different availability zone (AZ) than the primary instance. In the event of a failure of the primary instance, the replica is promoted to be the new primary instance, and the recovery time is less than 5 minutes. This ensures high availability for the critical workload and meets the company's requirement for a recovery time of less than 5 minutes. Additionally, it also provides automatic failover and data replication, so in case of any disaster or unplanned outage you will have a fully-working DB instance up and running with minimal data loss.

What is a customer responsibility under the AWS shared responsibility model when using AWS Lambda?

A.
Maintenance of the underlying Lambda hardware.
A.
Maintenance of the underlying Lambda hardware.
Answers
B.
Maintenance of the Lambda networking infrastructure.
B.
Maintenance of the Lambda networking infrastructure.
Answers
C.
The code and libraries that run in the lambda function.
C.
The code and libraries that run in the lambda function.
Answers
D.
The Lambda server software.
D.
The Lambda server software.
Answers
Suggested answer: C

A company runs an application in the AWS Cloud. The level of traffic to the application vary throughout the week. The company wants to increase the reliability of its application at all times, even during times of high traffic.

Which combination of steps will meet this requirement? (Select TWO.)

A.
Test recovery procedures.
A.
Test recovery procedures.
Answers
B.
Purchase instance weekly based on the previous week's high traffic points.
B.
Purchase instance weekly based on the previous week's high traffic points.
Answers
C.
Handle software failures automatically.
C.
Handle software failures automatically.
Answers
D.
Scale the application vertically.
D.
Scale the application vertically.
Answers
E.
Make all changes in the environment manually.
E.
Make all changes in the environment manually.
Answers
Suggested answer: C, D

Which option is a common stakeholder role for the AWS Cloud Adoption Framework (AWS CAF.) platform perspective?

A.
Chief financial officer (CFO)
A.
Chief financial officer (CFO)
Answers
B.
Chief information officer (CIO)
B.
Chief information officer (CIO)
Answers
C.
Chief data officer (CDO)
C.
Chief data officer (CDO)
Answers
D.
Engineer
D.
Engineer
Answers
Suggested answer: A

Which tasks responsibilities of the customer, according to the AWS shared responsibility model? (Select TWO.)

A.
Secure the virtualization layer.
A.
Secure the virtualization layer.
Answers
B.
Encrypt data and maintain data integrity.
B.
Encrypt data and maintain data integrity.
Answers
C.
Patch the Amazon RDS operating system.
C.
Patch the Amazon RDS operating system.
Answers
D.
Maintain identity and access management controls.
D.
Maintain identity and access management controls.
Answers
E.
Secure Availability Zones.
E.
Secure Availability Zones.
Answers
Suggested answer: B, D
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