Amazon Amazon Certifications BDS-C00 Questions & Answers

• Question 121:

  HTTP Query-based requests are HTTP requests that use the HTTP verb GET or POST and a Query parameter named_____________.

  A. Action

  B. Value

  C. Reset

  D. Retrieve

  Correct Answer: A

• Question 122:

  Your company wants to start working with AWS, but has not yet opened an account. With which of the following services should you begin local development?

  A. Amazon DynamoDB

  B. Amazon Simple Queue Service

  C. Amazon Simple Email Service

  D. Amazon CloudSearch

  Correct Answer: A

• Question 123:

  Is there a limit to the number of groups you can have?

  A. Yes for all users except root

  B. No

  C. Yes unless special permission granted

  D. Yes for all users

  Correct Answer: D

• Question 124:

  Your application uses CloudFormation to orchestrate your application's resources. During your testing phase before application went live, your Amazon RDS instance type was changed and caused the instance to be re-created, resulting in the loss of test data.

  How should you prevent this from occurring in the future?

  A. Within the AWS CloudFormation parameter with which users can select the Amazon RDS instance type, set AllowedValues to only contain the current instance type

  B. Use an AWS CloudFormation stack policy to deny updates to the instance. Only allow UpdateStack permission to IAM principles that are denied SetStackPolicy

  C. In the AWS CloudFormation template, set the AWS::RDS::DBInstance's DBInstanceClass property to be read-only

  D. Subscribe to the AWS CloudFormation notification "BeforeResourceUpdate" and call CancelStackUpdate if the resource identified is the Amazon RDS instance

  E. In the AWS ClousFormation template, set the DeletionPolicy of the AWS::RDS::DBInstance's DeletionPolicy property to "Retain"

  Correct Answer: E

• Question 125:

  Your social media marketing application has a component written in Ruby running on AWS Elastic BeanStalk. This application component posts messages to social media sites in support of various marketing campaigns. Your management now requires you to record replies to these social media messages to analyze the effectiveness of the marketing campaign in comparison to past and future efforts. You have already developed a new application component to interface with the social media site APIs in order to read the replies.

  Which process should you use to record the social media replies in a durable data store that can be accessed at any time for analysis of historical data?

  A. Deploy the new application component in an Auto Scaling group of Amazon Elastic Compute Cloud (EC2) instances, read the data from the social media sites, store it with Amazon Elastic Block Store, and use AWS Data Pipeline to publish it to Amazon Kinesis for analytics

  B. Deploy the new application component as a Elastic BeanStalk application, read the data from the social media sites, store it in Amazon DynamoDB, and use Apache Hive with Amazon Elastic MapReduce for analytic

  C. Deploy the new application component in an Auto Scaling group of Amazon EC2 instances, read the data from the social media sites, store it in Amazon Glacier, and use AWS Data Pipeline to publish it to Amazon Redshift for analytics

  D. Deploy the new application component as an Amazon Elastic Beanstalk application, read the data from the social media site, store it with Amazon Elastic Block Store, and use Amazon Kinesis to stream the data to Amazon CloudWatch for analytics

  Correct Answer: B

• Question 126:

  When attached to an Amazon VPC which two components provide connectivity with external networks? Choose 2 answers

  A. Elastic IPS (EIP)

  B. NAT Gateway (NAT)

  C. Internet Gateway {IGW) D. Virtual Private Gateway (VGW)

  Correct Answer: CD

• Question 127:

  You have started a new job and are reviewing your company's infrastructure on AWS You notice one web application where they have an Elastic Load Balancer (andB) in front of web instances in an Auto Scaling Group When you check the metrics for the ELB in CloudWatch you see four healthy instances in Availability Zone (AZ) A and zero in AZ B There are zero unhealthy instances. What do you need to fix to balance the instances across AZs?

  A. Set the ELB to only be attached to another AZ

  B. Make sure Auto Scaling is configured to launch in both AZs

  C. Make sure your AMI is available in both AZs

  D. Make sure the maximum size of the Auto Scaling Group is greater than 4

  Correct Answer: B

• Question 128:

  Does Amazon RDS allow direct host access via Telnet, Secure Shell (SSH), or Windows Remote Desktop Connection?

  A. Yes

  B. No

  C. Depends on if it is in VPC or not

  Correct Answer: B

• Question 129:

  What is the minimum charge for the data transferred between Amazon RDS and Amazon EC2 Instances in the same Availability Zone?

  A. USD 0.10 per GB

  B. No charge. It is free.

  C. USD 0.02 per GB

  D. USD 0.01 per GB

  Correct Answer: B

• Question 130:

  Which of the following instance types are available as Amazon EBS backend only?

  A. General purpose T2

  B. General purpose M3

  C. Compute-optimized C4

  D. Compute-optimized C3

  E. Storage-optimized 12

  Correct Answer: AC