DOP-C01 EXAM DUMPS PDF - QUIZ DOP-C01 AWS CERTIFIED DEVOPS ENGINEER - PROFESSIONAL FIRST-GRADE QUESTIONS EXAM

DOP-C01 Exam Dumps Pdf - Quiz DOP-C01 AWS Certified DevOps Engineer - Professional First-grade Questions Exam

DOP-C01 Exam Dumps Pdf - Quiz DOP-C01 AWS Certified DevOps Engineer - Professional First-grade Questions Exam

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q74-Q79):

NEW QUESTION # 74
A DevOps Engineer manages a large commercial website that runs on Amazon EC2. The website uses Amazon Kinesis Data Streams to collect and process web logs. The Engineer manages the Kinesis consumer application, which also runs on EC2. Spikes of data cause the Kinesis consumer application to fall behind, and the streams drop records before they can be processed.
What is the FASTEST method to improve stream handling?

  • A. Increase the number of shards in the Kinesis Data Streams to increase the overall throughput so that the consumer processes data faster.
  • B. Horizontally scale the Kinesis consumer application by adding more EC2 instances based on the GetRecord.IteratorAgeMilisecondsAmazon CloudWatch metric. Increase the Kinesis Data Streams retention period.
  • C. Convert the Kinesis consumer application to run as an AWS Lambda function. Configure the Kinesis Data Streams as the event source for the Lambda function to process the data streams.
  • D. Modify the Kinesis consumer application to store the logs durably in amazon S3. Use Amazon EMR to process the data directly on S3 to derive customer insights and store the results in S3.

Answer: B


NEW QUESTION # 75
A DevOps Engineer is working with an application deployed to 12 Amazon EC2 instances across 3 Availability Zones. New instances can be started from an AMI image. On a typical day, each EC2 instance has 30% utilization during business hours and 10% utilization after business hours. The CPU utilization has an immediate spike in the first few minutes of business hours. Other increases in CPU utilization rise gradually.
The Engineer has been asked to reduce costs while retaining the same or higher reliability.
Which solution meets these requirements?

  • A. Create an EC2 Auto Scaling group using the AMI image, with a scaling action based on the Auto Scaling group's CPU Utilization average with a target of 75%. Create a scheduled action to terminate nine instances each evening after the close of business.
  • B. Create two Amazon CloudWatch Events rules with schedules before and after business hours begin and end. Create two AWS Lambda functions, one invoked by each rule. The first function should stop nine instances after business hours end, the second function should restart the nine instances before the business day begins.
  • C. Create two Amazon CloudWatch Events rules with schedules before and after business hours begin and end. Create an AWS CloudFormation stack, which creates an EC2 Auto Scaling group, with a parameter for the number of instances. Invoke the stack from each rule, passing a parameter value of three in the morning, and six in the evening.
  • D. Create an Amazon EC2 Auto Scaling group using the AMI image, with a scaling action based on the Auto Scaling group's CPU Utilization average with a target of 75%. Create a scheduled action for the group to adjust the minimum number of instances to three after business hours end and reset to six before business hours begin.

Answer: C


NEW QUESTION # 76
A DevOps Engineer must automate a weekly process of identifying unnecessary permissions on a per- user basis, across all users in an AWS account. This process should evaluate the permissions currently granted to each user by examining the user's attached IAM access policies compared to the permissions the user has actually used in the past 90 days. Any differences in the comparison would indicate that the user has more permissions than are required. A report of the deltas should be sent to the Information Security team for further review and IAM user access policy revisions, as required. Which solution is fully automated and will produce the MOST detailed deltas report?

  • A. Configure VPC Flow Logs on all subnets across all VPCs in all regions to capture user traffic across the entire account. Ensure that all logs are being sent to a centralized Amazon S3 bucket, so all flow logs can be consolidated and aggregated. Create an AWS Lambda function that is triggered once a week by an Amazon CloudWatch Events schedule. Ensure that the Lambda function parses the flow log files for the following information: IAM user ID, subnet ID, VPC ID, Allow/Reject status per API call, and service name. Then have the function determine the deltas on a user-by-user basis. Configure the Lambda function to send the consolidated report using Amazon SES.
  • B. Create an AWS Lambda function that calls the IAM Access Advisor API to pull service permissions granted on a user-by-user basis for all users in the AWS account. Ensure that Access Advisor is configured with a tracking period of 90 days. Invoke the Lambda function using an Amazon CloudWatch Events rule on a weekly schedule. For each record, by user, by service, if the Access Advisor Last Accesses field indicates a day count instead of "Not accesses in the tracking period," this indicates a delta compared to what is in the user's currently attached access polices. After Lambda has iterated through all users in the AWS account, configure it to generate a report and send the report using Amazon SES.
  • C. Create an Amazon ES cluster and note its endpoint URL, which will be provided as an environment variable into a Lambda function. Configure an Amazon S3 event on a AWS CloudTrail trail destination S3 bucket and ensure that the event is configured to send to a Lambda function. Create the Lambda function to consume the events, parse the input from JSON, and transform it to an Amazon ES document format. POST the documents to the Amazon ES cluster's endpoint by way of the passed-in environment variable. Make sure that the proper indexing exists in Amazon ES and use Apache Lucene queries to parse the permissions on a user-by-user basis.
    Export the deltas into a report and have Amazon ES send the reports to the Information Security team using Amazon SES every week.
  • D. Configure an AWS CloudTrail trail that spans all AWS Regions and all read/write events, and point this trail to an Amazon S3 bucket. Create Amazon Athena table and specify the S3 bucket ARN in the CREATE TABLE query. Create an AWS Lambda function that accesses the Athena table using the SDK, which performs a SELECT, ensuring that the WHERE clause includes userIdentity, , and eventTime. Compare the results against the user's currently attached IAM access eventName policies to determine any deltas. Configure an Amazon CloudWatch Events schedule to automate this process to run once a week. Configure Amazon SES to send a consolidated report to the Information Security team.

Answer: B

Explanation:
https://aws.amazon.com/cn/blogs/security/automate-analyzing-permissions-using-iam-access- advisor/


NEW QUESTION # 77
Which status represents a failure state in AWS CloudFormation?

  • A. <code>DELETE_COMPLETE_WITH_ARTIFACTS</code>
  • B. <code>ROLLBACK_FAILED</code>
  • C. <code>UPDATE_COMPLETE_CLEANUP_IN_PROGRESS</code>
  • D. <code>ROLLBACK_IN_PROGRESS</code>

Answer: D

Explanation:
ROLLBACK_IN_PROGRESS means an UpdateStack operation failed and the stack is in the process of trying to return to the valid, pre-update state.
UPDATE_COMPLETE_CLEANUP_IN_PROGRESS means an update was successful, and CloudFormation is deleting any replaced, no longer used resources. ROLLBACK_FAILED is not a CloudFormation state (but UPDATE_ROLLBACK_FAILED is).
DELETE_COMPLETE_WITH_ARTIFACTS does not exist at all.
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating- stacks.html


NEW QUESTION # 78
What is the maximum supported single-volume throughput on EBS?

  • A. 640MiB/s
  • B. 160MiB/s
  • C. 320MiB/s
  • D. 40MiB/s

Answer: C

Explanation:
The ceiling throughput for PIOPS on EBS is 320MiB/s.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html


NEW QUESTION # 79
......

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