Quiz AWS CLF-01 - Semana 6 - Parte 1

Pregunta 1 de 30

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1) Which AWS compute service automatically scales resources up or down to meet application workload demands?

Selecciona una de las siguientes respuestas posibles:

A. Amazon Simple Queue Service (Amazon SOS)
B. Amazon EC2
C. Amazon Aurora
D. AWS Lambda

Explicación

Pregunta 2 de 30

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2) Which of the following are AWS compute services? (Select TWO.)

Selecciona una o más de las siguientes respuestas posibles:

A. Amazon Lightsail
B. AWS Systems Manager
C. AWS CloudFormation
D. AWS Batch
E. Amazon Inspector

Explicación

Pregunta 3 de 30

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3) Which Amazon S3 storage class is optimized to provide access to data with lower resiliency requirements, but rapid access when needed, such as duplicate backups?

Selecciona una de las siguientes respuestas posibles:

A. Amazon S3 Standard
B. Amazon S3 Glacier Deep Archive
C. Amazon S3 One Zone-Infrequent Access
D. Amazon S3 Glacier

Explicación

Pregunta 4 de 30

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4) Which AWS service or tool simplifies the creation, maintenance, validation, sharing and deployment of Linux or Windows Server templates for use with Amazon EC2 and on premises VMs?

Selecciona una de las siguientes respuestas posibles:

A. AWS CodePipeline
B. Amazon EC2 Image Builder
C. AWS CloudFormation
D. Amazon EC2 Amazon Machine Image (AMI)

Explicación

Pregunta 5 de 30

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5)A company launched an Amazon EC2 instance with the latest Amazon Linux 2 Amazon Machine Image (AMI). Which actions can a system administrator take to connect to the EC2 instance? (Select TWO.)

Selecciona una o más de las siguientes respuestas posibles:

A. Use Amazon EC2 Instance Connect.
B. Use a Remote Desktop Protocol (RDP) connection.
C. Use AWS Batch.
D. Use AWS Systems Manager Session Manager.
E. Use Amazon Connect.

Explicación

Pregunta 6 de 30

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6) A company has an application that analyzes photographs. A developer is preparing the application for deployment to Amazon EC2 instances. The application's image analysis functions require a mix of GPU instances and CPU instances that run on Amazon Linux. The developer needs to add code to the application so that the functions can determine whether they are running on a GPU instance.
What should the functions do to obtain this information?

Selecciona una de las siguientes respuestas posibles:

A. Call the Describeinstances API operation and filter on the current instance ID Examine the ElasticGpuAssociations property
B. Evaluate the GPU_AVA1LABLE environment variable
C. Call the DescribeElasticGpus API operation
D. Retrieve the instance type from the instance metadata

Explicación

Pregunta 7 de 30

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7)Which service is an AWS-managed Hadoop framework that makes it easy, fast, and cost-effective to process large amounts of data across dynamically scalable Amazon EC2 instances?

Selecciona una de las siguientes respuestas posibles:

A. Amazon EMR
B. Amazon EC2
C. AWS Elastic Beanstalk
D. Amazon Redshift

Explicación

Pregunta 8 de 30

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8)A developer uses a single AWS CloudFormation template to configure the test environment and the production environment for an application. The developer handles environment-specific requirements in the CloudFormation template.
The developer decides to update the Amazon EC2 Auto Scaling launch template with new Amazon Machine Images (AMIs) for each environment. The CloudFormation update for the new AMIs is successful in the test environment but the update fails in the production environment.
What are the possible causes of the CloudFormation update failure in the production environment? (Select TWO )

Selecciona una o más de las siguientes respuestas posibles:

A. The new AMIs do not fulfill the specified conditions in the CloudFormation template
B. The service quota for the number of EC2 vCPUs in the AWS Region has been exceeded.
C. The security group that is specified in the CloudFormation template does not exist
D. CloudFormation does not recognize the template change as an update
E. CloudFormation does not have sufficient 1AM permissions to make the changes

Explicación

Pregunta 9 de 30

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9)Which AWS services or features enable a user to establish a network connection from on premises to the AWS Cloud? (Select TWO.)

Selecciona una o más de las siguientes respuestas posibles:

A. AWS Direct Connect
B. AWS Snowball
C. Amazon S3
D. VPN connection
E. Amazon Connect

Explicación

Pregunta 10 de 30

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10)A company has a web application that runs on Amazon EC2 instances with a custom Amazon Machine Image (AMI). The company uses AWS CloudFormation to provision the application. The application runs in the us-east-1 Region, and the company needs to deploy the application to the us-west-1 Region. An attempt to create the AWS CloudFormation stack in us-west-1 fails An error message states that the AMI ID does not exist. A developer must resolve this error with a solution that uses the least amount of operational overhead. Which solution meets these requirements?

Selecciona una de las siguientes respuestas posibles:

A. Change the AWS CloudFormation templates for us-east-1 and us-west-1 to use an AWS AMI. Relaunch the stack for both Regions.
B. Copy the custom AMI from us-east-1 to us-west-1. Update the AWS CloudFormation template for us-west-1 to refer to AMI ID for the copied AMI. Relaunch the stack.
C. Build the custom AMI in us-west-1. Create a new AWS CloudFormation template to launch the stack in us-west-1 with the new AMI ID
D. Manually deploy the application outside AWS CloudFormation in us-west-1.

Explicación

Pregunta 11 de 30

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11)A large retail company wants to use an AWS service to process clickstream data from the company's ecommerce website. The company wants to collect and analyze the streaming data in real time.
Which AWS service meets these requirements?

Selecciona una de las siguientes respuestas posibles:

A. Amazon Kinesis
B. Amazon Athena
C. Amazon CloudFront
D. AWS Data Exchange

Explicación

Pregunta 12 de 30

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12) A batch workload takes 5 hours to finish on an Amazon EC2 instance. The amount of data to be processed doubles monthly and the processing time is proportional. What is the best cloud architecture to address this consistently growing demand?

Selecciona una de las siguientes respuestas posibles:

A. Run the application on a bigger EC2 instance size.
B. Switch to an EC2 instance family that better matches batch requirements
C. Distribute the application across multiple EC2 instances and run the workload in parallel.
D. Run the application on a bare metal EC2 instance.

Explicación

Pregunta 13 de 30

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13) A company's security team requires that all Amazon EC2 workloads use approved Amazon Machine Images (AMIs).
Which AWS service should the company use to verify that the EC2 instances are using approved AMIs?

Selecciona una de las siguientes respuestas posibles:

A. Amazon CloudWatch
B. Amazon Inspector
C. AWS Config
D. AWS Trusted Advisor

Explicación

Pregunta 14 de 30

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14) A company uses Amazon EC2 Instances in its AWS account for several different workloads. The company needs to perform an analysis to understand the cost of each. workload. What is the MOST operationally efficient way to meet this requirement?

Selecciona una de las siguientes respuestas posibles:

A. Move the EC2 instances for each workload into separate AWS accounts.
B. Use a different EC2 instance family for each of the workloads.
C. Add cost allocation tags to each EC2 instance, and activate the tags
D. Update the workload applications to publish usage data to a cost allocation database.

Explicación

Pregunta 15 de 30

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15) A static website is hosted in an Amazon S3 bucket Several HTML pages on the site use JavaScript to download images from another Amazon S3 bucket. These images are not displayed when users browse the site. What is the possible cause for the issue?

Selecciona una de las siguientes respuestas posibles:

A. The referenced Amazon S3 bucket is in another region
B. The images must be stored in the same Amazon S3 bucket
C. Port 80 must be opened on the security group in which the Amazon S3 bucket is located
D. Cross Origin Resource Sharing must be enabled on the Amazon S3 bucket

Explicación

Pregunta 16 de 30

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16) A company is building an application for stock trading. The application needs sub-millisecond latency for processing trade requests. The company uses Amazon DynamoDB to store all the trading data that is used to process each trading request. A development team performs load testing on the application and finds that the data retrieval time is higher than expected. The development team needs a solution that reduces the data retrieval time with the least possible effort.
Which solution meets these requirements?

Selecciona una de las siguientes respuestas posibles:

A. Add local secondary indexes (LSIs) for the trading data
B. Store the trading data in Amazon S3 and use S3 Transfer Acceleration
C. Add retries with exponential backoff for DynamoDB queries
D. Use DynamoDB Accelerator (DAX) to cache the trading data

Explicación

Pregunta 17 de 30

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17) An application running on Amazon EC2 opens connections to an Amazon RDS SQL Server database. The developer does not want to store the username and password for the database in the code. The developer would also like to automatically rotate the credentials.
What is the MOST secure way to store and access the database credentials?

Selecciona una de las siguientes respuestas posibles:

A. Create an IAM role that has permissions to access the database Attach the role to the EC2 instance.
B. Use AWS Secrets Manager to store the credentials. Retrieve the credentials from Secrets Manager as needed.
C. Store the credentials in an encrypted text file in an Amazon S3 bucket. Configure the EC2 instance's user data to download the credentials from Amazon S3 as the instance boots.
D. Store the username and password credentials directly in the source code. No further action is needed because the source code is stored in a private repository.

Explicación

Pregunta 18 de 30

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18) Which AWS service or tool simplifies the creation, maintenance, validation, sharing and deployment of Linux or Windows Server templates for use with Amazon EC2 and on premises VMs?

Selecciona una de las siguientes respuestas posibles:

A. AWS CodePipeline
B. Amazon EC2 Image Builder
C. AWS CloudFormation
D. Amazon EC2 Amazon Machine Image (AMI)

Explicación

Pregunta 19 de 30

1

19) A developer is making changes to a custom application that uses AWS Elastic Beanstalk.
Which solutions will update the Elastic Beanstalk environment with the new application version after the developer completes the changes? (Select TWO)

Selecciona una o más de las siguientes respuestas posibles:

A. Package the application code into a zip file. Use the AWS Management Console to upload the .zip file and deploy the packaged application.
B. Package the application code into a tar file Use the AWS Management Console to create a new application version from the tar file. Update the environment by using the AWS CLI.
C. Package the application code into a tar file Use the AWS Management Console to upload the tar file and deploy the packaged application
D. Package the application code into a zip file Use the AWS CLI to create a new application version from the zip file and to update the environment
E. Package the application code into a zip file. Use the AWS Management Console to create a new application version from the .zip file. Rebuild the environment by using the AWS CLI.

Explicación

Pregunta 20 de 30

1

20) A company wants to improve the availability and performance of its application with users in different countries.
Which AWS service or feature will help improve availability by routing traffic to the closest healthy endpoints?

Selecciona una de las siguientes respuestas posibles:

A. AWS Direct Connect
B. AWS Global Accelerator
C. AWS Well-Architected Tool
D. AWS CLI

Explicación

Pregunta 21 de 30

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21) A company wants to migrate an existing on-premises web application to AWS. The existing technology stacks consist of configuration files, application code that connects to a MySQL database by using a language-specific MySQL API, and a source code repository that holds configuration files and program code. A developer uses an Amazon RDS for MySQL DB instance as the target database. The developer uses a container as the compute engine for the web application program code. The developer wants to configure the database connection from the web application code to the new RDS for MySQL DB instance without refactoring the existing code The developer also must maximize security for the storage of the database username and password pair that the application code uses. Which combination of steps should the developer take to meet these requirements? (Select TWO )

Selecciona una o más de las siguientes respuestas posibles:

A. Use the RDS software development kit (SDK) to construct a database client.
B. Keep the existing database connectivity API code unchanged. Change the database connection string URL to the endpoint of the RDS for MySQL DB instance
C. Store the database's username and password pair in the configuration files
D. Use AWS Secrets Manager to store the database's username and password pair. Use the GetSecretValue API operation to retrieve the username and password pair when the application makes MySQL DB API calls
E. Use the environment variables of the container definition to pass the database's username and password pair to the application code

Explicación

Pregunta 22 de 30

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22) A company needs to establish a private virtual interface (VIF) from its on-premises network directly to its VPC. Which AWS connectivity option should the company use?

Selecciona una de las siguientes respuestas posibles:

A. VPC peering
B. AWS PrivateLink
C. AWS Global Accelerator
D. AWS Direct Connect

Explicación

Pregunta 23 de 30

1

23) A developer has created a Java application that runs on AWS Elastic Beanstalk with the default Elastic Beanstalk instance profile. The developer needs to visualize a map of the application's interactions with AWS services to help identify and debug issues with the application.
Which combination of steps should the developer take to meet this requirement with the LEAST operational effort? (Select TWO.)

Selecciona una o más de las siguientes respuestas posibles:

A. Instrument the code by using the AWS X-Ray software development kit (SDK) for Java
B. Create an Elastic Beanstalk configuration file to download and install the AWS X-Ray daemon on the underlying Amazon EC2 instances
C. Enable the AWS X-Ray daemon in the Elastic Beanstalk console
D. Enable Elastic Beanstalk enhanced health reporting
E. Configure AWS CloudTrail to visualize the services map

Explicación

Pregunta 24 de 30

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

Selecciona una de las siguientes respuestas posibles:

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

Explicación

Pregunta 25 de 30

1

25) Which AWS service gives a company the ability to use a private, dedicated connection between a VPC and an on-premises data center?

Selecciona una de las siguientes respuestas posibles:

A. AWS Direct Connect
B. Amazon API Gateway
C. AWS Systems Manager
D. AWS CloudFormation

Explicación

Pregunta 26 de 30

1

26) Which AWS service provides domain registration, DNS routing and service health checks?

Selecciona una de las siguientes respuestas posibles:

A. AWS Direct Connect
B. Amazon Route 53
C. Amazon CloudFront
D. Amazon API Gateway

Explicación

Pregunta 27 de 30

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27) What is a feature of Amazon Route 53?

Selecciona una de las siguientes respuestas posibles:

A. Routing users to infrastructure both Inside and outside AWS
B. Providing a private connection to infrastructure inside AWS
C. Providing a private connection to Infrastructure outside AWS
D. Distributing content across edge locations

Explicación

Pregunta 28 de 30

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28)A company is investigating the possibility of keeping some services in its on-premises data center and having some resources in the AWS Cloud. The company currently accesses AWS over the public internet. Which AWS service or feature will facilitate private connectivity between the on-premises servers and the AWS resources?

Selecciona una de las siguientes respuestas posibles:

A. NAT gateway
B. AWS Direct Connect
C. Amazon S3 Transfer Acceleration
D. AWS WAF

Explicación

Pregunta 29 de 30

1

29) A company wants to establish a private network connection between AWS and its corporate network. Which AWS service or feature will meet this requirement?

Selecciona una de las siguientes respuestas posibles:

A. Amazon Connect
B. Amazon Route 53
C. AWS Direct Connect
D. VPC peering

Explicación

Pregunta 30 de 30

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30) A company is connecting multiple VPCs and on-premises networks. The company needs to use an AWS service as a cloud router to simplify peering relationships. Which AWS service can the company use to meet this requirement?

Selecciona una de las siguientes respuestas posibles:

A. AWS Direct Connect
B. AWS Transit Gateway
C. Amazon Connect
D. Amazon Route 53

	Creado por Myriam Heusi hace más de 3 años

Semana 6 - Parte 1 - Domain 3

Quiz AWS CLF-01 - Semana 6 - Parte 1

Quiz AWS CLF-01 - Semana 6 - Parte 1

Pregunta 1 de 30

1) Which AWS compute service automatically scales resources up or down to meet application workload demands?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 2 de 30

2) Which of the following are AWS compute services? (Select TWO.)

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 3 de 30

3) Which Amazon S3 storage class is optimized to provide access to data with lower resiliency requirements, but rapid access when needed, such as duplicate backups?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 4 de 30

4) Which AWS service or tool simplifies the creation, maintenance, validation, sharing and deployment of Linux or Windows Server templates for use with Amazon EC2 and on premises VMs?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 5 de 30

5)A company launched an Amazon EC2 instance with the latest Amazon Linux 2 Amazon Machine Image (AMI). Which actions can a system administrator take to connect to the EC2 instance? (Select TWO.)

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 6 de 30

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 7 de 30

7)Which service is an AWS-managed Hadoop framework that makes it easy, fast, and cost-effective to process large amounts of data across dynamically scalable Amazon EC2 instances?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 8 de 30

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 9 de 30

9)Which AWS services or features enable a user to establish a network connection from on premises to the AWS Cloud? (Select TWO.)

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 10 de 30

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 11 de 30

11)A large retail company wants to use an AWS service to process clickstream data from the company's ecommerce website. The company wants to collect and analyze the streaming data in real time. Which AWS service meets these requirements?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 12 de 30

12) A batch workload takes 5 hours to finish on an Amazon EC2 instance. The amount of data to be processed doubles monthly and the processing time is proportional. What is the best cloud architecture to address this consistently growing demand?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 13 de 30

13) A company's security team requires that all Amazon EC2 workloads use approved Amazon Machine Images (AMIs). Which AWS service should the company use to verify that the EC2 instances are using approved AMIs?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 14 de 30

14) A company uses Amazon EC2 Instances in its AWS account for several different workloads. The company needs to perform an analysis to understand the cost of each. workload. What is the MOST operationally efficient way to meet this requirement?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 15 de 30

15) A static website is hosted in an Amazon S3 bucket Several HTML pages on the site use JavaScript to download images from another Amazon S3 bucket. These images are not displayed when users browse the site. What is the possible cause for the issue?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 16 de 30

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 17 de 30

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 18 de 30

18) Which AWS service or tool simplifies the creation, maintenance, validation, sharing and deployment of Linux or Windows Server templates for use with Amazon EC2 and on premises VMs?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 19 de 30

19) A developer is making changes to a custom application that uses AWS Elastic Beanstalk. Which solutions will update the Elastic Beanstalk environment with the new application version after the developer completes the changes? (Select TWO)

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 20 de 30

20) A company wants to improve the availability and performance of its application with users in different countries. Which AWS service or feature will help improve availability by routing traffic to the closest healthy endpoints?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 21 de 30

Selecciona una o más de las siguientes respuestas posibles:

11)A large retail company wants to use an AWS service to process clickstream data from the company's ecommerce website. The company wants to collect and analyze the streaming data in real time.
Which AWS service meets these requirements?

13) A company's security team requires that all Amazon EC2 workloads use approved Amazon Machine Images (AMIs).
Which AWS service should the company use to verify that the EC2 instances are using approved AMIs?

19) A developer is making changes to a custom application that uses AWS Elastic Beanstalk.
Which solutions will update the Elastic Beanstalk environment with the new application version after the developer completes the changes? (Select TWO)

20) A company wants to improve the availability and performance of its application with users in different countries.
Which AWS service or feature will help improve availability by routing traffic to the closest healthy endpoints?