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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified DevOps Engineer - Professional (DOP-C02) |
| Exam Number: | DOP-C02 |
| Exam Price: | $300 USD |
| Available Languages: | Simplified Chinese, English, Japanese, Korean |
| Real Exam Qty: | Approximately 65–75 |
| Related Certifications: | AWS Certified Developer – Associate AWS Certified Solutions Architect – Associate AWS Certified Solutions Architect – Professional AWS Certified SysOps Administrator – Associate |
| Exam Format: | Multiple response, Multiple choice |
| Passing Score: | 750 (scaled score out of 1000) |
| Exam Duration: | 180 minutes |
| Certificate Validity Period: | 3 years |
| Recommended Training: | AWS Training and Certification Official Courses AWS Skill Builder - DevOps Engineer Professional |
| Exam Registration: | Pearson VUE AWS Exams AWS Certification Registration Portal |
| 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/ |
Ich glaube, egal in welcher Branche erwarten alle Beschäftigte eine gute Berufsaussichten. In der konkurrrenzfähigen IT-Branche gilt es auch. Die Fachleute in der IT-Branche erwarten eine gute Beförderungsmöglichkeit. Viele IT-Fachleute sind sich klar, dass die Amazon DOP-C02 Zertifizierungsprüfung Ihren Traum verwirklichen kann. Und ExamFragen ist solch eine Website, die Ihnen zum Bestehen der Amazon DOP-C02 Zertifizierungsprüfung verhilft.
Die Amazon DOP -C02 (AWS Certified DevOps Engineer - Professional) -Zertifizierungsprüfung richtet sich an Personen, die ein tiefes Verständnis verschiedener DevOps -Praktiken besitzen und wie sie auf der AWS -Plattform implementiert werden. Diese Zertifizierung bestätigt die Fähigkeit einer Person, hoch verfügbare, skalierbare und fehlertolerante Systeme auf AWS zu entwerfen, bereitzustellen, zu bedienen und zu verwalten.
Die DOP-C02-Prüfung deckt eine breite Palette von Themen im Zusammenhang mit DevOps ab, einschließlich kontinuierlicher Integration und Lieferung, Infrastruktur als Code, Überwachung und Protokollierung, Sicherheit und Konformität sowie Automatisierung und Optimierung von AWS-Diensten. Um die Prüfung zu bestehen, müssen die Kandidaten ihre Fähigkeit demonstrieren, skalierbare, zuverlässige und sichere DevOps -Lösungen mit AWS -Technologien und Best Practices zu entwerfen und zu implementieren. Diese Zertifizierung wird von Arbeitgebern hoch geschätzt und kann DevOps -Profis helfen, ihre Karriere voranzutreiben und ihr Verdienstpotential zu erhöhen.
122. Frage
A company recently deployed its web application on AWS. The company is preparing for a large-scale sales event and must ensure that the web application can scale to meet the demand The application's frontend infrastructure includes an Amazon CloudFront distribution that has an Amazon S3 bucket as an origin. The backend infrastructure includes an Amazon API Gateway API. several AWS Lambda functions, and an Amazon Aurora DB cluster The company's DevOps engineer conducts a load test and identifies that the Lambda functions can fulfill the peak number of requests However, the DevOps engineer notices request latency during the initial burst of requests Most of the requests to the Lambda functions produce queries to the database A large portion of the invocation time is used to establish database connections Which combination of steps will provide the application with the required scalability? (Select TWO)
Antwort: B,D
Begründung:
Explanation
The correct answer is B and E. Configuring a higher provisioned concurrency for the Lambda functions will ensure that the functions are ready to respond to the initial burst of requests without any cold start latency.
Using Amazon RDS Proxy to create a proxy for the Aurora database will enable the Lambda functions to reuse existing database connections and reduce the overhead of establishing new ones. This will also improve the scalability and availability of the database by managing the connection pool size and handling failovers.
Option A is incorrect because reserved concurrency only limits the number of concurrent executions for a function, not pre-warms them. Option C is incorrect because converting the DB cluster to an Aurora global database will not address the issue of database connection latency, and may introduce additional costs and complexity. Option D is incorrect because moving the code blocks that initialize database connections into the function handlers will not improve the performance or scalability of the Lambda functions, and may actually worsen the cold start latency. References:
* AWS Lambda Provisioned Concurrency
* Using Amazon RDS Proxy with AWS Lambda
* Certified DevOps Engineer - Professional (DOP-C02) Study Guide (page 173)
123. Frage
A company manages multiple AWS accounts by using AWS Organizations with OUS for the different business divisions, The company is updating their corporate network to use new IP address ranges. The company has 10 Amazon S3 buckets in different AWS accounts. The S3 buckets store reports for the different divisions. The S3 bucket configurations allow only private corporate network IP addresses to access the S3 buckets.
A DevOps engineer needs to change the range of IP addresses that have permission to access the contents of the S3 buckets The DevOps engineer also needs to revoke the permissions of two OUS in the company Which solution will meet these requirements?
Antwort: B
Begründung:
The correct answer is C.
A comprehensive and detailed explanation is:
Option A is incorrect because creating a new SCP that has two statements, one that allows access to the new range of IP addresses for all the S3 buckets and one that denies access to the old range of IP addresses for all the S3 buckets, is not a valid solution. SCPs are not resource-based policies, and they cannot specify the S3 buckets or the IP addresses as resources or conditions. SCPs can only control the actions that can be performed by the principals in the organization, not the access to specific resources. Moreover, setting a permissions boundary for the OrganizationAccountAccessRole role in the two OUs to deny access to the S3 buckets is not sufficient to revoke the permissions of the two OUs, as there might be other roles or users in those OUs that can still access the S3 buckets.
Option B is incorrect because creating a new SCP that has a statement that allows only the new range of IP addresses to access the S3 buckets is not a valid solution, for the same reason as option A) SCPs are not resource-based policies, and they cannot specify the S3 buckets or the IP addresses as resources or conditions. Creating another SCP that denies access to the S3 buckets and attaching it to the two OUs is also not a valid solution, as SCPs cannot specify the S3 buckets as resources either.
Option C is correct because it meets both requirements of changing the range of IP addresses that have permission to access the contents of the S3 buckets and revoking the permissions of two OUs in the company. On all the S3 buckets, configuring resource-based policies that allow only the new range of IP addresses to access the S3 buckets is a valid way to update the IP address ranges, as resource-based policies can specify both resources and conditions. Creating a new SCP that denies access to the S3 buckets and attaching it to the two OUs is also a valid way to revoke the permissions of those OUs, as SCPs can deny actions such as s3:PutObject or s3:GetObject on any resource.
Option D is incorrect because setting a permissions boundary for the OrganizationAccountAccessRole role in the two OUs to deny access to the S3 buckets is not sufficient to revoke the permissions of the two OUs, as there might be other roles or users in those OUs that can still access the S3 buckets. A permissions boundary is a policy that defines the maximum permissions that an IAM entity can have. However, it does not revoke any existing permissions that are granted by other policies.
References:
AWS Organizations
S3 Bucket Policies
Service Control Policies
Permissions Boundaries
124. Frage
A company is performing vulnerability scanning for all Amazon EC2 instances across many accounts. The accounts are in an organization in AWS Organizations. Each account's VPCs are attached to a shared transit gateway. The VPCs send traffic to the internet through a central egress VPC. The company has enabled Amazon Inspector in a delegated administrator account and has enabled scanning for all member accounts.
A DevOps engineer discovers that some EC2 instances are listed in the "not scanning" tab in Amazon Inspector.
Which combination of actions should the DevOps engineer take to resolve this issue? (Choose three.)
Antwort: B,D,E
Begründung:
https://docs.aws.amazon.com/inspector/latest/user/scanning-ec2.html
125. Frage
A company needs a strategy for failover and disaster recovery of its data and application. The application uses a MySQL database and Amazon EC2 instances. The company requires a maximum RPO of 2 hours and a maximum RTO of 10 minutes for its data and application at all times.
Which combination of deployment strategies will meet these requirements? (Select TWO.)
Antwort: A,B
Begründung:
Explanation
To meet the requirements of failover and disaster recovery, the company should use the following deployment strategies:
* Create an Amazon Aurora global database in two AWS Regions as the data store. In the event of a failure, promote the secondary Region to the primary for the application. Update the application to use the Aurora cluster endpoint in the secondary Region. This strategy can provide a low RPO and RTO for the data, as Aurora global database replicates data with minimal latency across Regions and allows fast
* and easy failover12. The company can use the Amazon Aurora cluster endpoint to connect to the current primary DB cluster without needing to change any application code1.
* Set up the application in two AWS Regions. Configure AWS Global Accelerator to point to Application Load Balancers (ALBs) in both Regions. Add both ALBs to a single endpoint group. Use health checks and Auto Scaling groups in each Region. This strategy can provide high availability and performance for the application, as AWS Global Accelerator uses the AWS global network to route traffic to the closest healthy endpoint3. The company can also use static IP addresses that are assigned by Global Accelerator as a fixed entry point for their application1. By using health checks and Auto Scaling groups, the company can ensure that their application can scale up or down based on demand and handle any instance failures4.
The other options are incorrect because:
* Creating an Amazon Aurora Single-AZ cluster in multiple AWS Regions as the data store would not provide a fast failover or disaster recovery solution, as the company would need to manually restore data from backups or snapshots in another Region in case of a failure.
* Creating an Amazon Aurora cluster in multiple AWS Regions as the data store and using a Network Load Balancer to balance the database traffic in different Regions would not work, as Network Load Balancers do not support cross-Region routing. Moreover, this strategy would not provide a consistent view of the data across Regions, as Aurora clusters do not replicate data automatically between Regions unless they are part of a global database.
* Setting up the application in two AWS Regions and using Amazon Route 53 failover routing that points to Application Load Balancers in both Regions would not provide a low RTO, as Route 53 failover routing relies on DNS resolution, which can take time to propagate changes across different DNS servers and clients. Moreover, this strategy would not provide deterministic routing, as Route 53 failover routing depends on DNS caching behavior, which can vary depending on different factors.
126. Frage
A company has an organization in AWS Organizations. The organization includes workload accounts that contain enterprise applications. The company centrally manages users from an operations account. No users can be created in the workload accounts. The company recently added an operations team and must provide the operations team members with administrator access to each workload account.
Which combination of actions will provide this access? (Choose three.)
Antwort: C,D,F
127. Frage
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