Amazon Amazon Certifications BDS-C00 Questions & Answers

• Question 111:

  Is creating a Read Replica of another Read Replica supported?

  A. Only in VPC

  B. Yes

  C. Only in certain regions

  D. No

  Correct Answer: D

• Question 112:

  The operations team and the development team want a single place to view both operating system and application logs.

  How should you implement this using AWS services? Choose two answers

  A. Using AWS CloudFormation, create a CloudWatch Logs LogGroup and send the operating system and application logs of interest using the CloudWatch Logs Agent

  B. Using AWS CloudFormation and configuration management, set up remote logging to send events via UDP packets to CloudTrail

  C. Using configuration management, set up remote logging to send events to Amazon Kinesis and insert these into Amazon CloudSearch or Amazon Redshift, depending on available analytic tools

  D. Using AWS CloudFormation, create a CloudWatch Logs LogGroup. Because the CloudWatch log agent automatically sends all operating system logs, you only have to configure the application logs for sending off-machine

  E. Using AWS CloudFormation, merge the application logs with the operating system logs, and use IAM Roles to allow both teams to have access to view console output from Amazon EC2

  Correct Answer: AC

• Question 113:

  You are deploying an application to collect votes for a very popular television show. Millions of users will submit votes using mobile devices. The votes must be collected into a durable, scalable, and highly available data store for real-time public tabulation. Which service should you use?

  A. Amazon DynamoDB

  B. Amazon Redshift

  C. Amazon Kinesis

  D. Amazon Simple Queue Service

  Correct Answer: C

• Question 114:

  The Marketing Director in your company asked you to create a mobile app that lets users post sightings of good deeds known as random acts of kindness in 80-character summaries. You decided to write the application in JavaScript so that it would run on the broadest range of phones, browsers, and tablets. Your application should provide access to Amazon DynamoDB to store the good deed summaries. Initial testing of a prototype shows that there aren't large spikes in usage.

  Which option provides the most cost-effective and scalable architecture for this application?

  A. Provide the JavaScript client with temporary credentials from the Security Token Service using a Token Vending Machine

  B. Register the application with a Web Identity Provider like Amazon, Google, or Facebook, create an IAM role for that provider, and set up permissions for the IAM role to allow S3 gets and DynamoDB puts. You serve your mobile application out of an S3 bucket enabled as a web site. Your client updates DynamoDB.

  C. Provide the JavaScript client with temporary credentials from the Security Token Service using a Token Vending Machine (TVM) to provide signed credentials mapped to an IAM user allowing DynamoDB puts. You serve your mobile application out of Apache EC2 instances that are load-balanced and autoscaled. Your EC2 instances are configured with an IAM role that allows DynamoDB puts. Your server updates DynamoDB.

  D. Register the JavaScript application with a Web Identity Provider like Amazon, Google, or Facebook, create an IAM role for that provider, and set up permissions for the IAM role to allow DynamoDB puts. You serve your mobile application out of Apache EC2 instances that are load-balanced and autoscaled. Your EC2 instances are configured with an IAM role that allows DynamoDB puts. Your server updates DynamoDB.

  Correct Answer: B

• Question 115:

  A user has setup an RDS DB with Oracle. The user wants to get notifications when someone modifies the security group of that DB. How can the user configure that?

  A. It is not possible to get the notifications on a change in the security group

  B. Configure SNS to monitor security group changes

  C. Configure event notification on the DB security group

  D. Configure the CloudWatch alarm on the DB for a change in the security group

  Correct Answer: C

• Question 116:

  You have a large number of web servers in an Auto Scaling group behind a load balancer. On an hourly basis, you want to filter and process the logs to collect data on unique visitors, and then put that data in a durable data store in order to run reports. Web servers in the Auto Scaling group are constantly launching and terminating based on your scaling policies, but you do not want to lose any of the log data from these servers during a stop/termination initiated by a user or by Auto Scaling.

  What two approaches will meet these requirements?

  Choose 2 answers

  A. Install an Amazon CloudWatch Logs Agent on every web server during the bootstrap process. Create a CloudWatch log group and define metric Filters to create custom metrics that track unique visitors from the streaming web server logs. Create a scheduled task on an Amazon EC2 instance that runs every hour to generate a new report based on the CloudWatch custom metrics

  B. On the web servers, create a scheduled task that executes a script to rotate and transmit the logs to Amazon Glacier. Ensure that the operating system shutdown procedure triggers a logs transmission when the Amazon EC2 instance is stopped/terminated. Use Amazon Data pipeline to process data in Amazon Glacier and run reports every hour

  C. On the web servers, create a scheduled task that executes a script to rotate and transmit the logs to an Amazon S3 bucket. Ensure that the operating system shutdown process triggers a logs transmission when the Amazon EC2 instance is stopped/terminated. Use AWS Data Pipeline to move log data from the Amazon S3 bucket to Amazon Redshift in order to process and run reports every hour

  D. Install an AWS Data Pipeline Logs Agent on every web server during the bootstrap process. Create a log group object in AWS Data Pipeline, and define Metric filters to move processed log data directly from the web servers to Amazon Redshift and runs reports every hour

  Correct Answer: AC

• Question 117:

  In the Amazon RDS Oracle DB engine, the Database Diagnostic Pack and the Database Tuning Pack are only available with ______________

  A. Oracle Standard Edition

  B. Oracle Express Edition

  C. Oracle Enterprise Edition

  D. None of these

  Correct Answer: C

• Question 118:

  You have an application running on an Amazon Elastic Compute Cloud instance, that uploads 5 GB video objects to Amazon Simple Storage Service (S3). Video uploads are taking longer than expected, resulting in poor application performance. Which method will help improve performance of your application?

  A. Enable enhanced networking

  B. Use Amazon S3 multipart upload

  C. Leveraging Amazon CloudFront, use the HTTP POST method to reduce latency.

  D. Use Amazon Elastic Block Store Provisioned IOPs and use an Amazon EBS-optimized instance

  Correct Answer: B

• Question 119:

  Are you able to integrate a multi-factor token service with the AWS Platform?

  A. Yes, you can integrate private multi-factor token devices to authenticate users to the AWS platform.

  B. No, you cannot integrate multi-factor token devices with the AWS platform.

  C. Yes, using the AWS multi-factor token devices to authenticate users on the AWS platform.

  Correct Answer: C

• Question 120:

  Amazon EC2 provides a repository of public data sets that can be seamlessly integrated into AWS cloud-based applications.What is the monthly charge for using the public data sets?

  A. A 1 time charge of 10$ for all the datasets.

  B. 1$ per dataset per month

  C. 10$ per month for all the datasets

  D. There is no charge for using the public data sets

  Correct Answer: D