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AWS DevOps Engineer Professional Exam Practice Questions – 5

Posted on June 15, 2020 By DesiBanjara No Comments on AWS DevOps Engineer Professional Exam Practice Questions – 5

Amazon AWS DevOps Engineer Professional Exam Practice Questions

Below are some Free practice questions for Amazon AWS Certification Exam – AWS DevOps Engineer Professional Exam which can help you to prepare for exam and pass with good marks. These are not real exam questions but similar to the questions you can get in exam so practicing these question will boost your confidence.

Question -22

After conducting a disaster recovery exercise, an Enterprise Architect discovers that a large team of Database and Storage Administrators need more than seven hours of manual effort to make a flagship application’s database functional in a different AWS Region. The Architect also discovers that the recovered database is often missing as much as two hours of data transactions.
Which solution provides improved RTO and RPO in a cross-region failover scenario?

A. Deploy an Amazon RDS Multi-AZ instance backed by a multi-region Amazon EFS. Configure the RDS option group to enable multi-region availability for native automation of cross-region recovery and continuous data replication. Create an Amazon SNS topic subscribed to RDS-impacted events to send emails to the Database Administration team when significant query Latency is detected in a single Availability Zone.

B. Use Amazon SNS topics to receive published messages from Amazon RDS availability and backup events. Use AWS Lambda for three separate functions with calls to Amazon RDS to snapshot a database instance, create a cross-region snapshot copy, and restore an instance from a snapshot. Use a scheduled Amazon CloudWatch Events rule at a frequency matching the RPO to trigger the Lambda function to snapshot a database instance. Trigger the Lambda function to create a cross-region snapshot copy when the SNS topic for backup events receives a new message. Configure the Lambda function to restore an instance from a snapshot to trigger sending new messages published to the availability SNS topic.

C. Create a scheduled Amazon CloudWatch Events rule to make a call to Amazon RDS to create a snapshot from a database instance and specify a frequency to match the RPO. Create an AWS Step Functions task to call Amazon RDS to perform a cross-region snapshot copy into the failover region and configure the state machine to execute the task when the RDS snapshot create state is complete. Create an SNS topic subscribed to RDS availability events and push these messages to an Amazon SQS queue located in the failover region. Configure an Auto Scaling group of worker nodes to poll the queue for new messages and make a call to Amazon RDS to restore a database from a snapshot after a checksum on the cross-region copied snapshot returns valid.

D. Use Amazon RDS scheduled instance lifecycle events to create a snapshot and specify a frequency to match the RPO. Use Amazon RDS scheduled instance lifecycle event configuration to perform a cross-region snapshot copy into the failover region upon SnapshotCreateComplete events. Configure Amazon CloudWatch to alert when the CloudWatch RDS namespace CPUUtilization metric for the database instance falls to 0% and make a call to Amazon RDS to restore the database snapshot in the failover region.

Correct Answer: B

Reference:

https://aws.amazon.com/blogs/database/cross-region-automatic-disaster-recovery-on-amazon-rds-for-oracle-database-using-db-snapshots-and-aws-lambda/




Question -23

A company has deployed several applications globally. Recently, Security Auditors found that few Amazon EC2 instances were launched without Amazon EBS disk encryption. The Auditors have requested a report detailing all EBS volumes that were not encrypted in multiple AWS accounts and regions. They also want to be notified whenever this occurs in future.
How can this be automated with the LEAST amount of operational overhead?

A. Create an AWS Lambda function to set up an AWS Config rule on all the target accounts. Use AWS Config aggregators to collect data from multiple accounts and regions. Export the aggregated report to an Amazon S3 bucket and use Amazon SNS to deliver the notifications.

B. Set up AWS CloudTrail to deliver all events to an Amazon S3 bucket in a centralized account. Use the S3 event notification feature to invoke an AWS Lambda function to parse AWS CloudTrail logs whenever logs are delivered to the S3 bucket. Publish the output to an Amazon SNS topic using the same Lambda function.

C. Create an AWS CloudFormation template that adds an AWS Config managed rule for EBS encryption. Use a CloudFormation stack set to deploy the template across all accounts and regions. Store consolidated evaluation results from config rules in Amazon S3. Send a notification using Amazon SNS when non- compliant resources are detected.

D. Using AWS CLI, run a script periodically that invokes the aws ec2 describe-volumes query with a JMESPATH query filter. Then, write the output to an Amazon S3 bucket. Set up an S3 event notification to send events using Amazon SNS when new data is written to the S3 bucket.

Correct Answer: C

Reference:

https://aws.amazon.com/blogs/aws/aws-config-update-aggregate-compliance-data-across-accounts-regions/

https://docs.aws.amazon.com/config/latest/developerguide/evaluate-config_use-managed-rules.html



Question -24

A DevOps Engineer has a single Amazon DynamoDB table that received shipping orders and tracks inventory. The Engineer has three AWS Lambda functions reading from a DymamoDB stream on that table. The Lambda functions perform various functions such as doing an item count, moving items to Amazon Kinesis
Data Firehose, monitoring inventory levels, and creating vendor orders when parts are low.
While reviewing logs, the Engineer notices the Lambda functions occasionally fail under increased load, receiving a stream throttling error.
Which is the MOST cost-effective solution that requires the LEAST amount of operational management?

A. Use AWS Glue integration to ingest the DynamoDB stream, then migrate the Lambda code to an AWS Fargate task.

B. Use Amazon Kinesis streams instead of DynamoDB streams, then use Kinesis analytics to trigger the Lambda functions.

C. Create a fourth Lambda function and configure it to be the only Lambda reading from the stream. Then use this Lambda function to pass the payload to the other three Lambda functions.

D. Have the Lambda functions query the table directly and disable DynamoDB streams. Then have the Lambda functions query from a global secondary index.

Correct Answer: C

“No more than two processes at most should be reading from the same streams shard at the same time. Having more than two readers per shard can result in throttling.”

Reference:

https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Streams.html




Question -27

A government agency is storing highly confidential files in an encrypted Amazon S3 bucket. The agency has configured federated access and has allowed only a particular on-premises Active Directory user group to access this bucket.
The agency wants to maintain audit records and automatically detect and revert any accidental changes administrators make to the IAM policies used for providing this restricted federated access.
Which of the following options provide the FASTEST way to meet these requirements?

A. Configure an Amazon CloudWatch Events Event Bus on an AWS CloudTrail API for triggering the AWS Lambda function that detects and reverts the change.

B. Configure an AWS Config rule to detect the configuration change and execute an AWS Lambda function to revert the change.

C. Schedule an AWS Lambda function that will scan the IAM policy attached to the federated access role for detecting and reverting any changes.

D. Restrict administrators in the on-premises Active Directory from changing the IAM policies.

Correct Answer: B




Previous->AWS DevOps Engineer Professional Exam Practice Questions – 4

Next->AWS DevOps Engineer Professional Exam Practice Questions – 6



More Amazon AWS Certification Exam Questions:

Previous->AWS DevOps Engineer Professional Exam Practice Questions

Microsoft AZ-900 Certification Exam Practice Questions – Part 1

Microsoft AZ-220 Certification Exam Practice Questions – Part 1

Sample Exam Questions 6: AZ-300: Microsoft Azure Architect Technologies

Sample Exam Questions 5: AZ-300: Microsoft Azure Architect Technologies



AWS DevOps Engineer Professional Exam Tags:Amazon, Amazon AWS Certification Exam, Amazon RDS, AWS DevOps Engineer Professional Exam, AWS Lambd, AWS Region, Certification Exam, CodeDeploy, EC2, Kinesis, Practice Questions

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