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Why Choose Pass4Leader For Your Amazon AWS-DevOps-Engineer-Professional Exam Preparation?

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Amazon DOP-C01 (AWS Certified DevOps Engineer - Professional) Certification Exam is designed to validate the expertise of professionals in the field of DevOps engineering. AWS Certified DevOps Engineer - Professional certification exam is intended for those who are already experienced in DevOps principles and practices, and are looking to further enhance their knowledge and skills in this area. AWS Certified DevOps Engineer - Professional certification exam covers a wide range of topics related to DevOps such as continuous integration and delivery, automation, monitoring, security, and more.

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Amazon DOP-C01 (AWS Certified DevOps Engineer - Professional) Certification Exam is a specialized certification offered by Amazon Web Services that focuses on the skills and knowledge required to design, deploy, and manage applications on the AWS platform. AWS Certified DevOps Engineer - Professional certification is designed for professionals who have experience working with AWS and who want to take their skills to the next level in order to become a certified DevOps engineer.

Another important area covered in the Amazon DOP-C01 certification exam is the ability to design and implement monitoring and logging solutions that provide real-time insights into the performance and health of applications and infrastructure resources. Candidates must have a strong understanding of AWS CloudWatch and other AWS monitoring tools, as well as the ability to use log aggregation tools such as AWS CloudTrail and AWS ElasticSearch to collect and analyze log data.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q34-Q39):

NEW QUESTION # 34
Your mobile application includes a photo-sharing service that is expecting tens of thousands of users at launch.
You will leverage Amazon Simple Storage Service (S3) for storage of the user Images, and you must decide how to authenticate and authorize your users for access to these images. You also need to manage the storage of these images. Which two of the following approaches should you use? Choose two answers from the options below

A. Create an Amazon S3 bucket per user, and use your application to generate the S3 URI for the appropriate content.
B. Use a key-based naming scheme comprised from the user IDs for all user objects in a single Amazon S3 bucket.
C. Authenticate your users at the application level, and use AWS Security Token Service (STS) to grant token-based authorization to S3 objects.
D. Authenticate your users at the application level, and send an SMS token message to the user. Create an Amazon S3 bucket with the same name as the SMS message token, and move the user's objects to that bucket.
E. Use AWS Identity and Access Management (1AM) user accounts as your application-level user database, and offload the burden of authentication from your application code.

Answer: B,C

Explanation:
Explanation
The AWS Security Token Service (STS) is a web service that enables you to request temporary, limited-privilege credentials for AWS Identity and Access Management (1AM) users or for users that you authenticate (federated users).
The token can then be used to grant access to the objects in S3.
You can then provides access to the objects based on the key values generated via the user id.
Option A is possible but then becomes a maintenance overhead because of the number of buckets.
Option B is invalid because 1AM users is not a good security practice.
Option D is invalid because SMS tokens are not efficient for this requirement.
For more information on the Security Token Service please refer to the below link:
* http://docs.aws.amazon.com/STS/latest/APIReference/Welcome.htrril

NEW QUESTION # 35
The company you work for has a huge amount of infrastructure built on AWS. However there has been some concerns recently about the security of this infrastructure, and an external auditor has been given the task of running a thorough check of all of your company's AWS assets. The auditor will be in the USA while your company's infrastructure resides in the Asia Pacific (Sydney) region on AWS. Initially, he needs to check all of your VPC assets, specifically, security groups and NACLs You have been assigned the task of providing the auditor with a login to be able to do this. Which of the following would be the best and most secure solution to provide the auditor with so he can begin his initial investigations? Choose the correct answer from the options below

A. Createan 1AM user who will have read-only access to your AWS VPC infrastructure andprovide the auditor with those credentials.
B. Givehim root access to your AWS Infrastructure, because he is an auditor he willneed access to every service.
C. Createan 1AM user with full VPC access but set a condition that will not allow him tomodify anything if the request is from any IP other than his own.
D. Createan 1AM usertied to an administrator role. Also provide an additional level ofsecurity with MFA.

Answer: A

Explanation:
Explanation
Generally you should refrain from giving high level permissions and give only the required permissions. In this case option C fits well by just providing the relevant access which is required.
For more information on 1AM please see the below link:
* https://aws.amazon.com/iam/

NEW QUESTION # 36
A company is adopting AWS CodeDeploy to automate its application deployments for a Java- Apache Tomcat application with an Apache webserver. The Development team started with a proof of concept, created a deployment group for a developer environment, and performed functional tests within the application. After completion, the team will create additional deployment groups for staging and production The current log level is configured within the Apache settings, but the team wants to change this configuration dynamically when the deployment occurs, so that they can set different log level configurations depending on the deployment group without having a different application revision for each group.
How can these requirements be met with the LEAST management overhead and without requiring different script versions for each deployment group?

A. Create a CodeDeploy custom environment variable for each environment. Then place a script into the application revision that checks this environment variable to identify which deployment group the instance is part of. Use this information to configure the log level settings. Reference this script as part of the ValidateService lifecycle hook in the appspec yml file.
B. Tag the Amazon EC2 instances depending on the deployment group. Then place a script into the application revision that calls the metadata service and the EC2 API to identify which deployment group the instance is part of. Use this information to configure the log level settings. Reference the script as part of the Afterinstall lifecycle hook in the appspec yml file.
C. Create a script that uses the CodeDeploy environment variable DEPLOYMENT_GROUP_ID to identify which deployment group the instance is part of to configure the log level settings.
Reference this script as part of the Install lifecycle hook in the appspec yml file.
D. Create a script that uses the CodeDeploy environment variable DEPLOYMENT_GROUP_NAME to identify which deployment group the instances is part of. Use this information to configure the log level settings. Reference this script as part of the Beforelnstall lifecycle hook in the appspec.yml file

Answer: D

NEW QUESTION # 37
Your company has a number of Cloudformation stacks defined in AWS. As part of the routine housekeeping
activity, a number of stacks have been targeted for deletion. But a few of the stacks are not getting deleted and
are failing when you are trying to delete them. Which of the following could be valid reasons for this? Choose
2 answers from the options given below

A. Thestack has a EC2 Security Group which has EC2 Instances attached to it.
B. Thestacks were created with the wrong template version. Since the standardtemplate version is now
higher, it is preventing the deletion of the stacks.You need to contact AWS support.
C. Thestack consists of an EC2 resource which was created with a custom AMI.
D. Thestack has an S3 bucket defined which has objects present in it.

Answer: A,D

Explanation:
Explanation
The AWS documentation mentions the below point
Some resources must be empty before they can be deleted. For example, you must delete all objects in an
Amazon S3 bucket or remove all instances in an Amazon
CC2 security group before you can delete the bucket or security group
For more information on troubleshooting cloudformation stacks, please visit the below URL:
* http://docs.aws.amazon.com/AWSCIoudFormation/latest/UserGuide/troubleshooting.html

NEW QUESTION # 38
Your mobile application includes a photo-sharing service that is expecting tens of thousands of users at launch.
You will leverage Amazon Simple Storage Service (S3) for storage of the user Images, and you must decide how to authenticate and authorize your users for access to these images. You also need to manage the storage of these images. Which two of the following approaches should you use? Choose two answers from the options below

A. Create an Amazon S3 bucket per user, and use your application to generate the S3 URI for the appropriate content.
B. Use a key-based naming scheme comprised from the user IDs for all user objects in a single Amazon S3 bucket.
C. Authenticate your users at the application level, and use AWS Security Token Service (STS) to grant token-based authorization to S3 objects.
D. Authenticate your users at the application level, and send an SMS token message to the user. Create an Amazon S3 bucket with the same name as the SMS message token, and move the user's objects to that bucket.
E. Use AWS Identity and Access Management (1AM) user accounts as your application-level user database, and offload the burden of authentication from your application code.

Answer: B,C

NEW QUESTION # 39
......

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