AWS DevOps Pro review Exam Questions And Answers 2022/2023

AWS DevOps Pro review Exam Questions And Answers 2022/2023 You are in charge of designing a number of Cloudformation templates for your organization. You need to ensure that no one can accidentally update the production based resources on the stack during a stack update. How can this be achieved in the most efficient way? - Answer- Use a Stack based policy to protect the production based resources. Cloudformation template, You want to ensure that the stack creation only shows the status of CREATE_COMPLETE after all resources defined in the stack are up and running. How can you achieve this? - Answer- C. Use the CreationPolicy to ensure it is associated with the EC2 Instance resource. D. Use the CFN helper scripts to signal once the resource configuration is complete. Automated backup solution in place for EBS Volumes - Answer- Use Amazon Data Lifecycle Manager to automate the process. You are getting requirements for the templates from various departments, such as the networking , security , application etc. What is the best way to architect these Cloudformation templates. - Answer- Create separate logical templates , for example , a separate template for networking, security, application etc. Then nest the relevant templates. DynamoDB Table with thousands of users from 3rd party identity providers such as Google, Face Book, Twitter. Best way to provide access to their own tables - Answer- 1. Use Web identity federation and register your application with a thirdparty identity provider such as Google, Amazon, or Facebook. 2. Create an IAM role which has specific access to the DynamoDB table. You are required to make changes to the stack resources every now and then based on the requirement for Cloudformation Templates. How can you check the impact of the change to resources in a cloudformation stack before deploying changes to the stack? - Answer- Use Cloudformation change sets to check for the impact to the changes A Classic Load Balancer can span across AWS OpsWorks Stacks layers? - AnswerNo. To use Elastic Load Balancing with a stack, you must first create one or more load balancers in the same region · You can attach only one load balancer to a layer. · Each load balancer can handle only one layer. · AWS OpsWorks Stacks does not support Application Load Balancer. You can only use Classic Load Balancer with AWS OpsWorks Stacks. How to deploy security updates on Opsworks Stack servers? - Answer- 1. Create and start new instances to replace your current online instances. Then delete the current instances. 2. On Linux-based instances in Chef 11.10 or older stacks, run the Update Dependencies stack command. Which of the following tools for EC2 can be used to administer instances without the need to SSH or RDP into the instance. - Answer- Run Command An application is currently writing a large number of records to a DynamoDB table in one region. There is a requirement for a secondary application to just take in the changes to the DynamoDB table every 2 hours and process the updates accordingly. Which of the following is an ideal way to ensure the secondary application can get the relevant changes from the DynamoDB table. - Answer- Use DynamoDB streams to monitor the changes in the DynamoDB table. A DynamoDB stream is an ordered flow of information about changes to items in an Amazon DynamoDB table. When you enable a stream on a table, DynamoDB captures information about every modification to data items in the table. Whenever an application creates, updates, or deletes items in the table, DynamoDB Streams writes a stream record with the primary key attribute(s) of the items that were modified. Astream record contains information about a data modification to a single item in a DynamoDB table. You can configure the stream so that the stream records capture additional information, such as the "before" and "after" images of modified items. Cloudformation templates which takes in a database password as a parameter. How can you ensure that the password is not visible when anybody tries to describes the stack - Answer- Use the NoEcho property for the parameter value. Cloudformation helper scripts can help install packages on EC2 resources. - Answercfn-init Basic stages of a CI/CD Pipeline - Answer- 1. Source Control 2. Build 3. Staging 4. Production Debugging the creation of Cloudformation stack resources - Answer- B. Use the AWS CloudFormation console to view the status of your stack. C. See the logs in the /var/log directory for Linux instances Continuous Delivery Services for Cloudformation - Answer- AWS CodePipeline CLI commands can be used to describe the stack resources. - Answer- aws cloudformation list-stack-resources........