Free DVA-C01 Exam Dumps

Question 6

What happens if your application performs more reads or writes than your provisioned capacity?

A. Nothing
B. requests above your provisioned capacity will be performed but you will receive 400 error codes.
C. requests above your provisioned capacity will be performed but you will receive 200 error codes.
D. requests above your provisioned capacity will be throttled and you will receive 400 error code

Correct Answer:D
Speaking about DynamoDB, if your application performs more reads/second or writes/second than your tabIe’s provisioned throughput capacity allows, requests above your provisioned capacity will be throttled and you will receive 400 error codes.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/ProvisionedThroughputlntro.htmI

Question 7

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 8

Which of the following programming languages have an officially supported AWS SDK? Choose 2 answers

A. Perl
B. PHP
C. Pascal
D. Java
E. SQL

Correct Answer:BD

Question 9

An orgAMzation has 20 employees. The orgAMzation wants to give all the users access to the orgAMzation AWS account. Which of the below mentioned options is the right solution?

A. Share the root credentials with all the users
B. Create an IAM user for each employee and provide access to them
C. It is not advisable to give AWS access to so many users
D. Use the IAM role to allow access based on STS

Correct Answer:B
AWS Identity and Access Management is a web service that enables the AWS customers to manage users and user permissions in AWS. The IAM is targeted at orgAMzations with multiple users or systems that use AWS products such as Amazon EC2, Amazon RDS, and the AWS Management Console. With IAM, the orgAMzaiton can centrally manage users, security credentials such as access keys, and permissions that control which AWS resources users can access.
Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/IAM_Introduction.htm|

Question 10

A user has created an EBS instance in the US-East-1a AZ. The user has a volume of 30 GB in the US-East-1 b zone. How can the user attach the volume to an instance?

A. Since both the volume and the instance are in the same region, the user can attach the volume
B. Use the volume migrate function to move the volume from one AZ to another and attach to the instance
C. Take a snapshot of the volum
D. Create a new volume in the USEast-1a and attach that to the instance
E. Use the volume replicate function to create a new volume in the US-East-1a and attach that to the volume

Correct Answer:C
If an EBS volume is not in the same AZ of an EC2 instance, it cannot be attached to the instance. The only option is to take a snapshot of the volume and create a new volume in the instance’s AZ. Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSSnapshots.htmI