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Amazon AWS Certified DevOps Engineer – Professional: Exam Overview
The exam that you need to take is Amazon DOP-C01. It is a 180-minute test with about 80 questions of different formats. The types you can run into include multiple choice and multiple answer. The score that you need to have after you finish the exam can be ranged between 100 and 1000, but you should get at least 750 points to obtain the certification.
The DOP-C01 test is available for the candidates in several languages. Thus, you can choose to go for Simplified Chinese, Korean, Japanese, or English. It is also important to know that the exam will cost you $300. There is also an opportunity to try a practice option for $40 before going for the actual test.
Amazon AWS Certified DevOps Engineer – Professional: Career Benefits
After you get this professional-level certification, you will be able to gain a higher salary and land the job you've dreamed of. Thus, you can become an AWS Cloud Engineer, a DevOps Engineer, a Technical Cloud Architect, and even a Cloud Network Engineer. As for the salary, you can earn from $99,604 to $137,724 per year.
AWS-DevOps Exam Syllabus Topics:
| Section | Objectives |
|---|---|
SDLC Automation - 22% | |
| Apply concepts required to automate a CI/CD pipeline | - Set up repositories - Set up build services - Integrate automated testing (e.g., unit tests, integrity tests) - Set up deployment products/services - Orchestrate multiple pipeline stages |
| Determine source control strategies and how to implement them | - Determine a workflow for integrating code changes from multiple contributors - Assess security requirements and recommend code repository access design - Reconcile running application versions to repository versions (tags) - Differentiate different source control types |
| Apply concepts required to automate and integrate testing | - Run integration tests as part of code merge process - Run load/stress testing and benchmark applications at scale - Measure application health based on application exit codes (robust Health Check) - Automate unit tests to check pass/fail, code coverage
- Integrate tests with pipeline |
| Apply concepts required to build and manage artifacts securely | - Distinguish storage options based on artifacts security classification - Translate application requirements into Operating System and package configuration (build specs) - Determine the code/environment dependencies and required resources
- Run a code build process |
| Determine deployment/delivery strategies (e.g., A/B, Blue/green, Canary, Red/black) and how to implement them using AWS services | - Determine the correct delivery strategy based on business needs - Critique existing deployment strategies and suggest improvements - Recommend DNS/routing strategies (e.g., Route 53, ELB, ALB, load balancer) based on business continuity goals - Verify deployment success/failure and automate rollbacks |
Configuration Management and Infrastructure as Code - 19% | |
| Determine deployment services based on deployment needs | - Demonstrate knowledge of process flows of deployment models - Given a specific deployment model, classify and implement relevant AWS services to meet requirements
|
| Determine application and infrastructure deployment models based on business needs | - Balance different considerations (cost, availability, time to recovery) based on business requirements to choose the best deployment model - Determine a deployment model given specific AWS services - Analyze risks associated with deployment models and relevant remedies |
| Apply security concepts in the automation of resource provisioning | - Choose the best automation tool given requirements - Demonstrate knowledge of security best practices for resource provisioning (e.g., encrypting data bags, generating credentials on the fly) - Review IAM policies and assess if sufficient but least privilege is granted for all lifecycle stages of a deployment (e.g., create, update, promote) - Review credential management solutions (e.g., EC2 parameter store, third party) - Build the automation
|
| Determine how to implement lifecycle hooks on a deployment | - Determine appropriate integration techniques to meet project requirements - Choose the appropriate hook solution (e.g., implement leader node selection after a node failure) in an Auto Scaling group - Evaluate hook implementation for failure impacts (if a remote call fails, if a dependent service is temporarily unavailable (i.e., Amazon S3), and recommend resiliency improvements - Evaluate deployment rollout procedures for failure impacts and evaluate rollback/recovery processes |
| Apply concepts required to manage systems using AWS configuration management tools and services | - Identify pros and cons of AWS configuration management tools - Demonstrate knowledge of configuration management components - Show the ability to run configuration management services end to end with no assistance while adhering to industry best practices |
Monitoring and Logging - 15% | |
| Determine how to set up the aggregation, storage, and analysis of logs and metrics | - Implement and configure distributed logs collection and processing (e.g., agents, syslog, flumed, CW agent) - Aggregate logs (e.g., Amazon S3, CW Logs, intermediate systems (EMR), Kinesis FH – Transformation, ELK/BI) - Implement custom CW metrics, Log subscription filters - Manage Log storage lifecycle (e.g., CW to S3, S3 lifecycle, S3 events) |
| Apply concepts required to automate monitoring and event management of an environment | - Parse logs (e.g., Amazon S3 data events/event logs/ELB/ALB/CF access logs) and correlate with other alarms/events (e.g., CW events to AWS Lambda) and take appropriate action - Use CloudTrail/VPC flow logs for detective control (e.g., CT, CW log filters, Athena, NACL or WAF rules) and take dependent actions (AWS step) based on error handling logic (state machine) - Configure and implement Patch/inventory/state management using ESM (SSM), Inspector, CodeDeploy, OpsWorks, and CW agents
- Handle scaling/failover events (e.g., ASG, DB HA, route table/DNS update, Application Config, Auto Recovery, PH dashboard, TA) |
| Apply concepts required to audit, log, and monitor operating systems, infrastructures, and applications | - Monitor end to end service metrics (DDB/S3) using available AWS tools (X-ray with EB and Lambda) - Verify environment/OS state through auditing (Inspector), Config rules, CloudTrail (process and action), and AWS APIs - Enable, configure, and analyze custom metrics (e.g., Application metrics, memory, KCL/KPL) and take action - Ensure container monitoring (e.g., task state, placement, logging, port mapping, LB) - Distinguish between services that enable service level or OS level monitoring
|
| Determine how to implement tagging and other metadata strategies | - Segregate authority based on tagging (lifecycle stages – dev/prod) with Condition context keys - Utilize Amazon S3 system/user-defined metadata for classification and automation - Design and implement tag-based deployment groups with CodeDeploy - Best practice for cost allocation/optimization with tagging |
Policies and Standards Automation - 10% | |
| Apply concepts required to enforce standards for logging, metrics, monitoring, testing, and security | - Detect, report, and respond to governance and security violations - Apply logging standards across application, operating system, and infrastructure - Apply context specific application health and performance monitoring - Outline standards for delivery models for logs and metrics (e.g., JSON, XML, Data Normalization) |
| Determine how to optimize cost through automation | - Prioritize automation effort to reduce labor costs - Implement right sizing of workload based on metrics - Assess ways to improve time to market through automating process orchestration and repeatable tasks - Diagnose outliers to determine use case fit
- Measure and automate cost optimization through events
|
| Apply concepts required to implement governance strategies | - Generalize governance standards across CI/CD pipeline - Outline and measure the real-time status of compliance with governance strategies - Report on compliance with governance strategies - Deploy governance policies related to self-service capabilities
|
Incident and Event Response - 18% | |
| Troubleshoot issues and determine how to restore operations | - Given an issue, evaluate how to narrow down the unhealthy components as quickly as possible - Given an increase in load, determine what steps to take to mitigate the impact - Determine the causes and impacts of a failure
- Determine the best way to restore operations after a failure occurs
|
| Determine how to automate event management and alerting | - Set up automated restores from backup in the event of a catastrophic failure - Set up methods to deliver alerts and notifications that are appropriate for different types of events - Assess the quality/actionability of alerts - Configure metrics appropriate to an application’s SLAs - Proactively update limits |
| Apply concepts required to implement automated healing | - Set up the correct scaling strategy to enable auto-healing when a failure occurs (e.g., with Auto Scaling policies) - Use the correct rollback strategy to avoid impact from failed deployments - Configure Route 53 to ensure cross-Region failover - Detect and respond to maintenance or Spot termination events |
| Apply concepts required to set up event-driven automated actions | - Configure Lambda functions or CloudWatch actions to implement automated actions - Set up CloudWatch event rules and/or Config rules and targets - Use AWS Systems Manager or Step Functions to coordinate components (e.g., Lambda, use maintenance windows) - Configure a build/roll-out process to automatically respond to critical software updates |
High Availability, Fault Tolerance, and Disaster Recovery - 16% | |
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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q34-Q39):
NEW QUESTION # 34
You have a playbook that includes a task to install a package for a service, put a configuration file for that package on the system and restart the service. The playbook is then run twice in a row.
What would you expect Ansible to do on the second run?
- A. Check if the package is installed, check if the file matches the source file, if not reinstall it; restart the service.
- B. Attempt to reinstall the package, copy the file and restart the service.
- C. Take no action on the target host.
- D. Remove the old package and config file and reinstall and then restart the service.
Answer: A
Explanation:
Ansible follows an idempotence model and will not touch or change the system unless a change is warranted.
Reference: http://docs.ansible.com/ansible/glossary.html
NEW QUESTION # 35
Your development team wants account-level access to production instances in order to do live debugging of a highly secure environment.
Which of the following should you do?
- A. Place the credentials provided by Amazon EC2 onto an MFA encrypted USB drive, and physically share it with each developer so that the private key never leaves the office.
- B. Place an internally created private key into a secure S3 bucket with server-side encryption using customer keys and configuration management, create a service account on all the instances using this private key, and assign IAM users to each developer so they can download the file.
- C. Place each developer's own public key into a private S3 bucket, use instance profiles and configuration management to create a user account for each developer on all instances, and place the user's public keys into the appropriate account.
- D. Place the credentials provided by Amazon Elastic Compute Cloud (EC2) into a secure Amazon Sample Storage Service (S3) bucket with encryption enabled.
Assign AWS Identity and Access Management (IAM) users to each developer so they can download the credentials file.
Answer: C
NEW QUESTION # 36
The project you are working on currently uses a single AWS CloudFormation template to deploy its AWS infrastructure, which supports a multi-tier web application.
You have been tasked with organizing the AWS CloudFormation resources so that they can be maintained in the future, and so that different departments such as Networking and Security can review the architecture before it goes to Production.
How should you do this in a way that accommodates each department, using their existing workflows?
- A. Separate the AWS CloudFormation template into a nested structure that has individual templates for the resources that are to be governed by different departments, and use the outputs from the networking and security stacks for the application template that you control
- B. Organize the AWS CloudFormation template so that related resources are next to each other in the template, such as VPC subnets and routing rules for Networking and security groups and IAM information for Security.
- C. Organize the AWS CloudFormation template so that related resources are next to each other in the template for each department's use, leverage your existing continuous integration tool to constantly deploy changes from all parties to the Production environment, and then run tests for validation.
- D. Use a custom application and the AWS SDK to replicate the resources defined in the current AWS CloudFormation template, and use the existing code review system to allow other departments to approve changes before altering the application for future deployments.
Answer: A
NEW QUESTION # 37
You are using Elastic Beanstalk to manage your application. You have a SQL script that needs to only be executed once per deployment no matter how many EC2 instances you have running. How can you do this?
- A. Use a "Container command" within an Elastic Beanstalk configuration file to execute the script, ensuring that the "leader only" flag is set to true.
- B. Use a "leader command" within an Elastic Beanstalk configuration file to execute the script, ensuring that the "container only" flag is set to true.
- C. Use Elastic Beanstalk version and a configuration file to execute the script, ensuring that the "leader only" flag is set to true.
- D. Use a "Container command" within an Elastic Beanstalk configuration file to execute the script, ensuring that the "leader only" flag is set to false.
Answer: A
Explanation:
Explanation
You can use the container_commands key to execute commands that affect your application source code.
Container commands run after the application and web server have been set up and the application version archive has been extracted, but before the application version is deployed. Non-container commands and other customization operations are performed prior to the application source code being extracted.
You can use leader_only to only run the command on a single instance, or configure a test to only run the command when a test command evaluates to true. Leader-only container commands are only executed during environment creation and deployments, while other commands and server customization operations are performed every time an instance is provisioned or updated. Leader-only container commands are not executed due to launch configuration changes, such as a change in the AMI Id or instance type. For more information on customizing containers, please visit the below URL:
* http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-ec2.
html
NEW QUESTION # 38
A company's security team discovers that IAM access keys were exposed in a public code repository. Moving forward, the DevOps team wants to implement a solution that will automatically disable any keys that are suspected of being compromised, and notify the security team.
Which solution will accomplish this?
- A. Set up AWS Config and create an AWS CloudTrail event for AWS Config. Create an Amazon SNS topic with two subscriptions: one to notify the security team and another to trigger an AWS Lambda function that disables the access keys.
- B. Run an AWS CloudWatch Events rule every 5 minutes to invoke an AWS Lambda function that checks to see if the compromised tag for any access key is set to true. If so, notify the security team and disable the access keys.
- C. Enable Amazon GuardDuty and set up an Amazon CloudWatch Events rule event for GuardDuty. Trigger an AWS Lambda function to check if the event relates to compromised keys. If so, send a notification to the security team and disable the access keys.
- D. Create an Amazon CloudWatch Events event for Amazon Macie. Create an Amazon SNS topic with two subscriptions: one to notify the security team and another to trigger an AWS Lambda function that disables the access keys.
Answer: B
Explanation:
Explanation/Reference: https://docs.aws.amazon.com/AmazonCloudWatch/latest/events/RunLambdaSchedule.html
NEW QUESTION # 39
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