DVA-C01 Amazon-Web-Services Exam Questions and Free Practice Test

Question 49

Can you configure an RDS Read Replica using CIoudFormation templates?

A. Yes, provided that you have root access.

B. Yes, when you create a new CIoudFormation template

C. Yes, but not for all Regions.

D. No, you can add the ReadRepIica only when the resource is made available by CIoudFormation

Correct Answer:B
AWS CIoudFormation gives developers and systems administrators an easy way to create and manage collections of AWS resources. You can now set Read Replicas for your databases with RDS when you create a new C|oudFormation tempIate.You can start using it with the sample template of C|oudFormation.
Reference:
https://s3.amazonaws.com/cloudformation-templates-us-east-1/RDS_MySQL_With_Read_RepIica.tempI

Question 50

Which of the following device names is reserved for the root device for Linux instances of Amazon EC2?

A. /dev/sda1

B. /dev/sd[b-e]

C. xvd[a-e]

D. /dev/sd[f-p][1 -6]

Correct Answer:A
/dev/sda1 is the name of the device reserved for the root device for Linux instances. Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/device_naming.htmI

Question 51

A user has an S3 object in the US Standard region with the content "coIor=red". The user updates the object with the content as "coIor="white". If the user tries to read the value 1 minute after it was uploaded, what will S3 return?

A. It will return "coIor=white"

B. It will return "coIor=red"

C. It will return an error saying that the object was not found

D. It may return either "coIor=red" or "color=white" i.

E. any of the value

Correct Answer:D
AWS S3 follows the eventual consistent model in the US Standard Region. Once the object is updated it
may return the new value or the old value based on whether all the content is replicated across multiple servers until it becomes consistent (eventual).
Reference: http://docs.aws.amazon.com/AmazonS3/Iatest/dev/Introduction.htmI

Question 52

After launching an instance that you intend to serve as a NAT (Network Address Translation) device in a public subnet you modify your route tables to have the NAT device be the target of internet bound traffic of your private subnet. When you try and make an outbound connection to the Internet from an instance in the private subnet, you are not successful.
Which of the following steps could resolve the issue?

A. Attaching a second Elastic Network interface (ENI) to the NAT instance, and placing it in the private subnet

B. Attaching a second Elastic Network Interface (ENI) to the instance in the private subnet, and placing it in the public subnet

C. Disabling the Source/Destination Check attribute on the NAT instance

D. Attaching an Elastic IP address to the instance in the private subnet

Correct Answer:C

Question 53

An Amazon S3 bucket, "myawsbucket" is configured with website hosting in Tokyo region, what is the region-specific website endpoint?

A. www.myawsbucket.ap-northeast-1.amazonaws.com

B. myawsbucket.s3-website-ap-northeast-I.amazonawscom

C. myawsbucket.amazonaws.com

D. myawsbucket.tokyo.amazonaws.com

Correct Answer:B

Question 54

Which of the following groups is AWS Elastic Beanstalk best suited for?

A. Those who want to deploy and manage their applications within minutes in the AWS cloud

B. Those who want to privately store and manage Git repositories in the AWS cloud.

C. Those who want to automate the deployment of applications to instances and to update the applications as required

D. Those who want to model, visualize, and automate the steps required to release software

Correct Answer:A
AWS Elastic Beanstalk is best suited for those groups who want to deploy and manage their applications within minutes in the AWS cloud. As a bonus, you don’t even need experience with cloud computing to get started.
Reference: https://aws.amazon.com/elasticbeansta|k/faqs/

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