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



Question : Being an Acmeshell.com employee you have configured ELB with two instances running in separate AZs of the same region?
Which of the below mentioned statements is true?
: Being an Acmeshell.com employee you have configured ELB with two instances running in separate AZs of the same region?
1. Multi AZ instances are not possible with a single ELB
2. Multi AZ instances will provide HA with ELB
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4. The user can achieve both HA and scalability with ELB

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Explanation: If a user is running two instances in separate AZs, it will provide HA with ELB since ELB will automatically stop routing the traffic to unhealthy instances and send it to healthy instances only.








Question : Which of the below mentioned options is not the right use case for AWS Glacier?
: Which of the below mentioned options is not the right use case for AWS Glacier?
1. Store application backup which has RTP of 2 hours
2. Move infrequently used data from RRS to Glacier
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4. Store log Archive of larger than 1 TB

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Explanation: Amazon Glacier is an extremely low-cost storage service that provides durable storage with security features for data archiving and backup. With Amazon Glacier, customers can store their data cost effectively for months, years, or even decades. Amazon Glacier enables customers to offload the administrative burdens of operating and scaling storage to AWS, so they don't have to worry about capacity planning, hardware provisioning, data replication, hardware failure detection and recovery, or time-consuming hardware migrations. For more service highlights and pricing information, go to the Amazon Glacier detail page.

Amazon Glacier is a great storage choice when low storage cost is paramount, your data is rarely retrieved, and retrieval latency of several hours is acceptable. If your application requires fast or frequent access to your data, consider using Amazon S3. AWS Glacier is a long term cheaper archival service which is used for infrequent user storage. In this case since RTP is 2 hours, Glacier will not meet the requirement as it takes 3-5 hours to make the data available. In this case it is recommended to store content in S3 / RRS.







Question : You have enabled serverside encryption with S. And you downloads the encrypted object from S (hadoopexam_logo.png) How can the user decrypt it?
: You have enabled serverside encryption with S. And you downloads the encrypted object from S (hadoopexam_logo.png) How can the user decrypt it?
1. The user needs to decrypt the object using their own private key
2. S3 manages encryption and decryption automatically
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4. S3 provides a server side key to decrypt the object


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Explanation: Data protection refers to protecting data while in-transit (as it travels to and from Amazon S3) and at rest (while it is stored on disks in Amazon S3 data centers). You can protect data in transit by using SSL or by using client-side encryption. You have the following options of protecting data at rest in Amazon S3.

Use Server-Side Encryption - You request Amazon S3 to encrypt your object before saving it on disks in its data centers and decrypt it when you download the objects.

Use Client-Side Encryption - You can encrypt data client-side and upload the encrypted data to Amazon S3. In this case, you manage the encryption process, the encryption keys, and related tools. If the user is using the server-side encryption feature, Amazon S3 encrypts the object data before saving it on disks in its data centres and decrypts it when the user downloads the objects. Thus, the user is free from the tasks of managing encryption, encryption keys, and related tools.





Related Questions

Question : You are configuring ELB. Which of the below mentioned options allows the user to route traffic to all instances irrespective of the AZ instance count?
 : You are configuring ELB. Which of the below mentioned options allows the user to route traffic to all instances irrespective of the AZ instance count?
1. Cross zone load balancing
2. Across zone load balancing
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4. Round Robin


Question : An ELB has instances registered with it. instances are running in one AZ, while each are running in two separate AZs.
By default, when a user request arrives how will ELB distribute the load?

 : An ELB has instances registered with it. instances are running in one AZ, while each are running in two separate AZs.
1. The AZ with a higher instance will have more requests than others
2. Distributing requests across all instances equally
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4. The new request will go to the higher instance count AZ while the old requests will go to AZs with a lower number of instances


Question : You have instances registered with ELB. One of the instances is being deregistered by Auto Scaling.
How can you configure the deregistered instance so that it does not receive new requests?
 : You have instances registered with ELB. One of the instances is being deregistered by Auto Scaling.
1. Enable session deregistration with ELB
2. Remove session stickiness of ELB
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4. Enabled connection drainage with ELB


Question : You have configured ELB with connection drainage. An instance is deregistering with ELB.
In this particular case what will be the status of a deregistered instance?
 : You have configured ELB with connection drainage. An instance is deregistering with ELB.
1. Deregistering: Instance deregistration currently in progress
2. OutOfService: Instance is not currently registered with the load balancer
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4. OutofService: Instance is deregistered


Question : When connection draining is enabled for an ELB, what will be the status of a deregistering instance when ELB has completed all inflight requests?
 : When connection draining is enabled for an ELB, what will be the status of a deregistering instance when ELB has completed all inflight requests?
1. Deregistering: Instance deregistration currently in progress
2. OutofService: Instance is deregistered
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4. InService: Instance deregistration currently in progress


Question : You have configured AutoScaling with a scalable web application.
When the scaling policy gets executed to decrease the instance count, which of the below mentioned criteria will AutoScaling consider by default?
 : You have configured AutoScaling with a scalable web application.
1. Terminate the instance from the AZ with most number of instances
2. Terminate the instance randomly
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4. Terminate the instance which is nearest to the billing hour