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AWS Certified Developer - Associate Questions and Answers (Dumps and Practice Questions)



Question : Being a QuickTechie.com AWS Developer you are trying to detach the EBS volume from an instance.
Which of the below mentioned options is not the right API to detach a volume from an instance?
: Being a QuickTechie.com AWS Developer you are trying to detach the EBS volume from an instance.
1. ec2-detach-volume
2. ec2-dismount-volume
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4. detach-volume

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Explanation: The user can use one of the following commands to detach an EBS volume:
detach-volume (AWS CLI)
ec2-detach-volume (Amazon EC2 CLI)
dismount-EC2Volume (AWS Tools for Windows PowerShell)





Question : Being a QuickTechie.com AWS Developer you are accessing an EBS for the first time there can be a huge reduction in the I/O. How can the user avoid this?
: Being a QuickTechie.com AWS Developer you are accessing an EBS for the first time there can be a huge reduction in the I/O. How can the user avoid this?
1. Pre-warm the EBS volumes as per the requirement
2. There is no decrease in the I/O performance the first time and the user can use it as it is
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4. Use a higher instance size which gives better I/O


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Explanation: There is a 5 to 50 percent reduction in IOPS when the user first accesses each block of data on a newly created or restored EBS volume. The user can avoid this performance hit by accessing each block in advance or pre-warm the Amazon EBS volumes.




Question : A user has enabled AutoScaling with ELB. The ELB has enabled connection drainage. If Auto Scaling wants to terminate an instance, what will it do?
: A user has enabled AutoScaling with ELB. The ELB has enabled connection drainage. If Auto Scaling wants to terminate an instance, what will it do?
1. It will mark the instance deregistering and ELB will wait until the connection drainage timeout period
2. AutoScaling cannot work with ELB if connection drainage is enabled
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4. It initiates the termination process, ELB will wait till the inflight requests are completed

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Explanation: If instances are part of an AutoScaling group and connection draining is enabled for the load balancer, AutoScaling will wait for the in-flight requests to complete or for the maximum timeout to expire, whichever comes first, before terminating instances due to a scaling event or health check replacement.


Related Questions

Question : You have created a role called 'AcmeRole', while launching the ec instance you have
provided this role as an input parameter. Now you have the access keys of this role.
Now you want to make a call to s3 service from this instance then
 : You have created a role called 'AcmeRole', while launching the ec instance you have
1. You have to create another role to access the s3 service from this ec2 instance
2. Use the roles AWS access keys made available on the EC2 instance in your application when making requests to AWS Service s3
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4. None of the above



Question : You have created a role called 'AcmeRole', while launching the ec instance you have provided this role as an input parameter.
Once the ec2 instance is launched you have changed the permission of the role, so it can not access particular AWS service S3.
Select the correct option in this scenerio


 : You have created a role called 'AcmeRole', while launching the ec instance you have provided this role as an input parameter.
1. This permission change will be effective after instance restarted
2. This permission change will be effective almost immediately
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4. You have to drop this role first and create another one and launch the ec2 server again with the new role as input parameter


Question : Which of the following statements about SQS is true?
 : Which of the following statements about SQS is true?
1. Messages will be delivered exactly once and messages will be delivered in First in, First out order
2. Messages will be delivered exactly once and message delivery order is indeterminate
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4. Messages will be delivered one or more times and message delivery order is indeterminate


Question :

A SWF workflow task or task execution can live up to ______ long?


 :
1. 3 days
2. 1 year
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4. 14 days


Question : SWF is _________________ message order and potentially has duplicates.


 : SWF is _________________ message order and potentially has duplicates.
1. Never guarantees
2. guarantees
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Question : What is one key difference between an Amazon EBS-backed and an instance-store backed instance?
 : What is one key difference between an Amazon EBS-backed and an instance-store backed instance?
1. Virtual Private Cloud requires EBS backed instances
2. Amazon EBS-backed instances can be stopped and restarted
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4. Instance-store backed instances can be stopped and restarted.