AWS-DevOps New Dumps, AWS-DevOps Sample Questions Pdf

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The AWS Certified DevOps Engineer - Professional (DOP-C01) exam is a professional-level certification that validates an individual's expertise in DevOps practices, tools and technologies on the Amazon Web Services (AWS) platform. AWS-DevOps Exam is designed for experienced DevOps professionals who have a strong understanding of both software development and operations, and who are proficient in using AWS services to design, deploy and manage scalable and fault-tolerant applications.

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q482-Q487):

NEW QUESTION # 482
Explain what the following resource in a CloudFormation template does?
Choose the best possible answer.

A. Creates an SNS topic and adds asubscription ARN endpoint for the SQS resource created under the
logical nameSQSQueue
B. Createsan SNS topic which allows SQS subscription endpoints to be added as a parameteron the
template
C. Createsan SNS topic and then invokes the call to create an SQS queue with a logicalresource name of
SQSQueue
D. Createsan SNS topic that allow SQS subscription endpoints

Answer: A

Explanation:
Explanation
The intrinsic function Fn::GetAtt returns the value of an attribute from a resource in the template. This has
nothing to do with adding parameters (Option A is wrong) or allowing endpoints (Option B is wrong) or
invoking relevant calls (Option C is wrong)
For more information on Fn:: GetAtt function please refer to the below link
http://docs.aws.a
mazon.com/AWSCIoudFormation/latest/UserGuide/intrinsic-function -reference-getatt.htm I

NEW QUESTION # 483
You were just hired as a DevOps Engineer for a startup. Your startup uses AWS for 100% of their infrastructure. They currently have no automation at all for deployment, and they have had many failures while trying to deploy to production. The company has told you deployment process risk mitigation is the most important thing now, and you have a lot of budget for tools and AWS resources.
Their stack:
2-tier API
Data stored in DynamoDB or S3, depending on type
Compute layer is EC2 in Auto Scaling Groups
They use Route53 for DNS pointing to an ELB
An ELB balances load across the EC2 instances
The scaling group properly varies between 4 and 12 EC2 servers. Which of the following approaches, given this company's stack and their priorities, best meets the company's needs?

A. Model the stack in AWS Elastic Beanstalk as a single Application with multiple Environments. Use Elastic Beanstalk's Rolling Deploy option to progressively roll out application code changes when promoting across environments.
B. Model the stack in 3 CloudFormation templates: Data layer, compute layer, and networking layer.
Write stack deployment and integration testing automation following Blue-Green methodologies.
C. Model the stack in 1 CloudFormation template, to ensure consistency and dependency graph resolution. Write deployment and integration testing automation following Rolling Deployment methodologies.
D. Model the stack in AWS OpsWorks as a single Stack, with 1 compute layer and its associated ELB.
Use Chef and App Deployments to automate Rolling Deployment.

Answer: B

Explanation:
AWS recommends Blue-Green for zero-downtime deploys. Since you use DynamoDB, and neither AWS OpsWorks nor AWS Elastic Beanstalk directly supports DynamoDB, the option selecting CloudFormation and Blue-Green is correct.
You use various strategies to migrate the traffic from your current application stack (blue) to a new version of the application (green). This is a popular technique for deploying applications with zero downtime. The deployment services like AWS Elastic Beanstalk, AWS CloudFormation, or AWS OpsWorks are particularly useful as they provide a simple way to clone your running application stack. You can set up a new version of your application (green) by simply cloning current version of the application (blue). https://d0.awsstatic.com/whitepapers/overview-of- deployment-options-on-aws.pdf

NEW QUESTION # 484
The resources for a business-critical, three-tier web application are expressed in a series of AWS CloudFormation templates. The application is using Amazon RDS for data and Amazon ElastiCache for session state. Users have reported degraded performance in the application. A DevOps Engineer notices that the T2 instance type is being used for the application tier and CPU usage is at 100% in Amazon CloudWatch.
What process should the Engineer follow to restore operations with the LEAST amount of distribution to the end users?

A. Launch a new CloudFormation stack for the application tier using the M4 instance type, run acceptance tests against the new stack, and update the Amazon Route 53 A record
B. Launch a new CloudFormation stack for all tiers of the application in a different region, run acceptance tests against the new stack, and update the Amazon Route 53 A record
C. Update the CloudFormation stack for the application tier using the T2 Unlimited option, run acceptance tests against the new stack, and update the Amazon Route 53 A record
D. Write a new CloudFormation template to include Amazon CloudFront in the environment, launch the stack, and update the Amazon Route 53 A record

Answer: C

NEW QUESTION # 485
By default, Amazon CloudTrail logs ____ actions defined by the CloudTrail ____ APIs.

A. object-level; SDK
B. bucket-level; SDK
C. bucket-level; RESTful
D. object-level; RESTful

Answer: C

Explanation:
By default, CloudTrail logs bucket-level actions. Amazon S3 records are written together with other AWS service records in a log file. Amazon S3 bucket-level actions supported for logging by CloudTrail are defined in its RESTful API.
Reference: http://docs.aws.amazon.com/AmazonS3/latest/dev/cloudtrail-logging.html

NEW QUESTION # 486
There is a requirement for an application hosted on a VPC to access the On-premise LDAP server. The VPC and the On-premise location are connected via an I PSec VPN. Which of the below are the right options for the application to authenticate each user. Choose 2 answers from the options below

A. The application authenticates against LDAP the application then calls the AWS identity and Access Management (1AM) Security service to log in to 1AM using the LDAP credentials the application can use the 1AM temporary credentials to access the appropriate AWS service.
B. Develop an identity broker that authenticates against 1AM security Token service to assume a 1AM role in order to get temporary AWS security credentials The application calls the identity broker to get AWS temporary security credentials.
C. The application authenticates against LDAP and retrieves the name of an 1AM role associated with the user. The application then calls the 1AM Security Token Service to assume that 1AM role. The application can use the temporary credentials to access any AWS resources.
D. Develop an identity broker that authenticates against LDAP and then calls 1AM Security Token Service to get 1AM federated user credentials. The application calls the identity broker to get 1AM federated user credentials with access to the appropriate AWS service.

Answer: C,D

Explanation:
Explanation
When you have the need for an in-premise environment to work with a cloud environment, you would normally have 2 artefacts for authentication purposes
* An identity store - So this is the on-premise store such as Active Directory which stores all the information for the user's and the groups they below to.
* An identity broker - This is used as an intermediate agent between the on-premise location and the cloud environment. In Windows you have a system known as Active Directory Federation services to provide this facility.
Hence in the above case, you need to have an identity broker which can work with the identity store and the Security Token service in aws. An example diagram of how this works from the aws documentation is given below.

For more information on federated access, please visit the below link:
* http://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_common-scenarios_federated-users.html

NEW QUESTION # 487
......

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AWS-DevOps New Dumps, AWS-DevOps Sample Questions Pdf

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