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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified DevOps Engineer - Professional (DOP-C02) |
| Exam Number: | DOP-C02 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 750 (scaled score out of 1000) |
| Real Exam Qty: | Approximately 65–75 |
| Exam Price: | $300 USD |
| Exam Duration: | 180 minutes |
| Exam Format: | Multiple response, Multiple choice |
| Available Languages: | English, Korean, Japanese, Simplified Chinese |
| Related Certifications: | AWS Certified Developer – Associate AWS Certified SysOps Administrator – Associate AWS Certified Solutions Architect – Professional AWS Certified Solutions Architect – Associate |
| Recommended Training: | AWS Skill Builder - DevOps Engineer Professional AWS Training and Certification Official Courses |
| Exam Registration: | AWS Certification Registration Portal Pearson VUE AWS Exams |
| Sample Questions: | Amazon DOP-C02 Sample Questions |
| Exam Way: | Online proctored exam or testing center (Pearson VUE) |
| Pre Condition: | No formal prerequisites required. AWS recommends 2+ years of experience provisioning, operating, and managing AWS environments and 1+ years of experience automating AWS workloads. |
| Official Syllabus URL: | https://aws.amazon.com/certification/certified-devops-engineer-professional/ |
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The Amazon DOP-C02 Exam covers a wide range of topics related to DevOps, including AWS services such as AWS CodeCommit, AWS CodePipeline, AWS CodeBuild, AWS CodeDeploy, and AWS CodeStar. It also covers topics related to automation, configuration management, containerization, and serverless computing.
NEW QUESTION # 399
A company uses AWS CloudFormation stacks to deploy updates to its application. The stacks consist of different resources. The resources include AWS Auto Scaling groups, Amazon EC2 instances, Application Load Balancers (ALBs), and other resources that are necessary to launch and maintain independent stacks. Changes to application resources outside of CloudFormation stack updates are not allowed.
The company recently attempted to update the application stack by using the AWS CLI. The stack failed to update and produced the following error message: "ERROR: both the deployment and the CloudFormation stack rollback failed. The deployment failed because the following resource(s) failed to update: [AutoScalingGroup]." The stack remains in a status of UPDATE_ROLLBACK_FAILED. * Which solution will resolve this issue?
Answer: B
Explanation:
https://repost.aws/knowledge-center/cloudformation-update-rollback-failed If your stack is stuck in the UPDATE_ROLLBACK_FAILED state after a failed update, then the only actions that you can perform on the stack are the ContinueUpdateRollback or DeleteStack operations.
NEW QUESTION # 400
A company uses AWS Storage Gateway in file gateway mode in front of an Amazon S3 bucket that is used by multiple resources. In the morning when business begins, users do not see the objects processed by a third party the previous evening. When a DevOps engineer looks directly at the S3 bucket, the data is there, but it is missing in Storage Gateway.
Which solution ensures that all the updated third-party files are available in the morning?
Answer: C
NEW QUESTION # 401
A company is migrating its on-premises Windows applications and Linux applications to AWS. The company will use automation to launch Amazon EC2 instances to mirror the on-premises configurations. The migrated applications require access to shared storage that uses SMB for Windows and NFS for Linux.
The company is also creating a pilot light disaster recovery (DR) environment in another AWS Region. The company will use automation to launch and configure the EC2 instances in the DR Region. The company needs to replicate the storage to the DR Region.
Which storage solution will meet these requirements?
Answer: D
Explanation:
To meet the requirements of migrating its on-premises Windows and Linux applications to AWS and creating a pilot light DR environment in another AWS Region, the company should use Amazon FSx for NetApp ONTAP for the application storage. Amazon FSx for NetApp ONTAP is a fully managed service that provides highly reliable, scalable, high-performing, and feature-rich file storage built on NetApp's popular ONTAP file system. FSx for ONTAP supports multiple protocols, including SMB for Windows and NFS for Linux, so the company can access the shared storage from both types of applications. FSx for ONTAP also supports NetApp SnapMirror replication, which enables the company to replicate the storage to the DR Region. NetApp SnapMirror replication is efficient, secure, and incremental, and it preserves the data deduplication and compression benefits of FSx for ONTAP. The company can use automation to launch and configure the EC2 instances in the DR Region and then use NetApp SnapMirror to restore the data from the primary Region.
The other options are not correct because they do not meet the requirements or follow best practices. Using Amazon S3 for the application storage is not a good option because S3 is an object storage service that does not support SMB or NFS protocols natively. The company would need to use additional services or software to mount S3 buckets as file systems, which would add complexity and cost. Using Amazon EBS for the application storage is also not a good option because EBS is a block storage service that does not support SMB or NFS protocols natively. The company would need to set up and manage file servers on EC2 instances to provide shared access to the EBS volumes, which would add overhead and maintenance. Using a Volume Gateway in AWS Storage Gateway for the application storage is not a valid option because Volume Gateway does not support SMB protocol. Volume Gateway only supports iSCSI protocol, which means that only Linux applications can access the shared storage.
:
1: What is Amazon FSx for NetApp ONTAP? - FSx for ONTAP
2: Amazon FSx for NetApp ONTAP
3: Amazon FSx for NetApp ONTAP | NetApp
4: AWS Announces General Availability of Amazon FSx for NetApp ONTAP
5: Replicating Data with NetApp SnapMirror - FSx for ONTAP
6: What Is Amazon S3? - Amazon Simple Storage Service
7: What Is Amazon Elastic Block Store (Amazon EBS)? - Amazon Elastic Compute Cloud
8: What Is AWS Storage Gateway? - AWS Storage Gateway
NEW QUESTION # 402
A company provides an application to customers. The application has an Amazon API Gateway REST API that invokes an AWS Lambda function. On initialization, the Lambda function loads a large amount of data from an Amazon DynamoDB table. The data load process results in long cold-start times of 8-10 seconds. The DynamoDB table has DynamoDB Accelerator (DAX) configured.
Customers report that the application intermittently takes a long time to respond to requests. The application receives thousands of requests throughout the day. In the middle of the day, the application experiences 10 times more requests than at any other time of the day. Near the end of the day, the application's request volume decreases to 10% of its normal total.
A DevOps engineer needs to reduce the latency of the Lambda function at all times of the day.
Which solution will meet these requirements?
Answer: D
Explanation:
Explanation
The following are the steps that the DevOps engineer should take to reduce the latency of the Lambda function at all times of the day:
Configure provisioned concurrency on the Lambda function.
Configure AWS Application Auto Scaling on the Lambda function with provisioned concurrency values set to a minimum of 1 and a maximum of 100.
The provisioned concurrency setting ensures that there is always a minimum number of Lambda function instances available to handle requests. The Application Auto Scaling setting will automatically scale the number of Lambda function instances up or down based on the demand for the application.
This solution will ensure that the Lambda function is able to handle the increased load during the middle of the day, while also keeping the cold-start latency low.
The following are the reasons why the other options are not correct:
Option A is incorrect because it will not reduce the cold-start latency of the Lambda function.
Option B is incorrect because it will not scale the number of Lambda function instances up or down based on demand.
Option D is incorrect because it will only configure reserved concurrency on the API Gateway API, which will not affect the Lambda function.
NEW QUESTION # 403
A company has a single AWS account that runs hundreds of Amazon EC2 instances in a single AWS Region.
New EC2 instances are launched and terminated each hour in the account. The account also includes existing EC2 instances that have been running for longer than a week.
The company's security policy requires all running EC2 instances to use an EC2 instance profile. If an EC2 instance does not have an instance profile attached, the EC2 instance must use a default instance profile that has no IAM permissions assigned.
A DevOps engineer reviews the account and discovers EC2 instances that are running without an instance profile. During the review, the DevOps engineer also observes that new EC2 instances are being launched without an instance profile.
Which solution will ensure that an instance profile is attached to all existing and future EC2 instances in the Region?
Answer: C
Explanation:
Explanation
https://docs.aws.amazon.com/config/latest/developerguide/ec2-instance-profile-attached.html
NEW QUESTION # 404
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