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AWS-DevOps Valid Test Tutorial | AWS-DevOps Certification

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Amazon AWS-DevOps Certification Exam is a highly regarded certification in the IT industry. It is designed for professionals seeking to validate their expertise and experience in DevOps practices on the AWS platform. Passing the exam demonstrates that the individual has a deep understanding of DevOps practices and AWS services, which can lead to better job opportunities and higher salaries. Candidates should have a strong understanding of AWS services and DevOps practices and should utilize available resources to prepare for the exam.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q182-Q187):

NEW QUESTION # 182
An education company has a Docker-based application running on multiple Amazon EC2 instances in an Amazon ECS cluster. When deploying a new version of the application, the Developer, pushes a new image to a private Docker container registry, and then stops and starts all tasks to ensure that they all have the latest version of the application. The Developer discovers that the new tasks are occasionally running with an old image. How can this issue be prevented?

A. Update the digest on the task definition when pushing the new image.
B. Use Amazon ECR for a Docker container registry.
C. After pushing the new image, restart ECS Agent, and then start the tasks.
D. Use "latest" for the Docker image tag in the task definition.

Answer: A

NEW QUESTION # 183
Your company is getting ready to do a major public announcement of a social media site on AWS. The website is running on EC2 instances deployed across multiple Availability Zones with a Multi-AZ RDS MySQL Extra Large DB Instance. The site performs a high number of small reads and writes per second and relies on an eventual consistency model. After comprehensive tests you discover that there is read contention on RDS MySQL. Which are the best approaches to meet these requirements?
Choose 2 answers from the options below

A. Addan RDS MySQL read replica in each availability zone
B. Increasethe RDS MySQL Instance size and Implement provisioned IOPS
C. DeployElasticCache in-memory cache running in each availability zone
D. Implementshardingto distribute load to multiple RDS MySQL instances

Answer: A,C

Explanation:
Explanation
Implement Read Replicas and Elastic Cache
Amazon RDS Read Replicas provide enhanced performance and durability for database (DB) instances. This replication feature makes it easy to elastically scale out beyond the capacity constraints of a single DB Instance for read-heavy database workloads. You can create one or more replicas of a given source DB Instance and serve high-volume application read traffic from multiple copies of your data, thereby increasing aggregate read throughput.
For more information on Read Replica's, please visit the below link
* https://aws.amazon.com/rds/details/read-replicas/
Amazon OastiCache is a web service that makes it easy to deploy, operate, and scale an in-memory data store or cache in the cloud. The service improves the performance of web applications by allowing you to retrieve information from fast, managed, in-memory data stores, instead of relying entirely on slower disk-based databases.
For more information on Amazon OastiCache, please visit the below link
* https://aws.amazon.com/elasticache/

NEW QUESTION # 184
A root owner is trying to create an IAM user of the various departments. The owner has created groups for each department, but wants to still delineate the user based on the sub division level.
E.g. The two users from different sub departments should be identified separately and have separate permissions. How can the root owner configure this?

A. Use the paths to separate the users of the same group
B. It is not possible to delineate within a group
C. Create a nested group
D. Create a hierarchy of the IAM users which are separated based on the department

Answer: A

Explanation:
The path functionality within an IAM group and user allows them to delineate by further levels. In this case the user needs to use the path with each user or group so that the ARN of the user will look similar to:
arn:aws:iam::123456789012:user/division_abc/subdivision_xyz/user1
arn:aws:iam::123456789012:user/division_abc/subdivision_xyz/user2
Reference:
http://docs.aws.amazon.com/IAM/latest/UserGuide/Using_Identifiers.html#Identifiers_ARNs

NEW QUESTION # 185
You run a SIP-based telephony application that uses Amazon EC2 for its web tier and uses MySQL on Amazon RDS as its database.
The application stores only the authentication profile data for its existing users in the database and therefore is read-intensive.
Your monitoring system shows that your web instances and the database have high CPU utilization.
Which of the following steps should you take in order to ensure the continual availability of your application? Choose 2 answers

A. Set up an Auto Scaling group for the application tier and a policy that scales based on the Amazon EC2 CloudWatch CPU utilization metric.
B. Switch to General Purpose (SSD) Storage from Provisioned IOPS Storage (PIOPS) for the Amazon RDS database.
C. Vertically scale up the Amazon EC2 instances manually.
D. Use a CloudFront RTMP download distribution with the application tier as the origin for the distribution.
E. Use multiple Amazon RDS read replicas.
F. Set up an Auto Scaling group for the application tier and a policy that scales based on the Amazon RDS CloudWatch CPU utilization metric.

Answer: A,E

NEW QUESTION # 186
An enterprise wants to use a third-party SaaS application running on AWS.. The SaaS application needs to have access to issue several API commands to discover Amazon EC2 resources running within the enterprise's account. The enterprise has internal security policies that require any outside access to their environment must conform to the principles of least privilege and there must be controls in place to ensure that the credentials used by the SaaS vendor cannot be used by any other third party. Which of the following would meet all of these conditions?

A. Create an 1AM role for EC2 instances, assign it a policy that allows only the actions required tor the Saas application to work, provide the role ARN to the SaaS provider to use when launching their application instances.
B. Create an 1AM role for cross-account access allows the SaaS provider's account to assume the role and assign it a policy that allows only the actions required by the SaaS application.
C. Create an 1AM user within the enterprise account assign a user policy to the 1AM user that allows only the actions required by the SaaS application. Create a new access and secret key for the user and provide these credentials to the SaaS provider.
D. From the AWS Management Console, navigate to the Security Credentials page and retrieve the access and secret key for your account.

Answer: B

Explanation:
Explanation
Many SaaS platforms can access aws resources via a Cross account access created in aws. If you go to Roles in your identity management, you will see the ability to add a cross account role.

For more information on cross account role, please visit the below URL:
* http://docs.aws.amazon.com/IAM/latest/UserGuide/tuto
rial_cross-account-with-roles.html

NEW QUESTION # 187
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