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



Question : HadoopExam Learning Resources has a root domain as www.hadoopexam.com and wants to serve all the requests for hadoopexam.com
as well as for www.hadoopexam.com using AWS S3. How can the user achieve this?
: HadoopExam Learning Resources has a root domain as www.hadoopexam.com and wants to serve all the requests for hadoopexam.com
1. Create two buckets with the name www.hadoopexam.com and hadoopexam.com and host a static website on both the buckets
2. Create two buckets with the name www.hadoopexam.com and hadoopexam.com and route requests from both the buckets to each other using S3 website hosting
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4. Create two buckets with the name www.hadoopexam.com and hadoopexam.comand route requests of one bucket to another using S3 website hosting


Correct Answer : Get Lastest Questions and Answer :

Explanation: : If the root domain is hadoopexam.com and the user wants to serve requests for both http://hadoopexam.com and http://www.hadoopexam.com, the user can create two S3 buckets named hadoopexam.com and www.hadoopexam.com, maintain the website contents in only one bucket, e.g., hadoopexam.com, and configure the other www.hadoopexam.com bucket to redirect all requests to hadoopexam.com bucket.







Question : Being a HadoopExam.com AWS Developer you have uploaded an object on S.
Which of the below mentioned methodologies should be implemented by S3 to ensure the integrity of the data?
: Being a HadoopExam.com AWS Developer you have uploaded an object on S.
1. Archival
2. Intrinsic replication
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4. Encryption


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Explanation: Amazon S3 regularly verifies the integrity of the data stored using checksums. If Amazon S3 detects data corruption, it is repaired using redundant data. In addition, Amazon S3 calculates checksums on all network traffic to detect corruption of data packets when storing or retrieving data.







Question : Being a HadoopExam.com AWS Developer you are updating an object in the Singapore region. The original content has the value "colour=red".
The user updates the object with the content as "colour="white". If the user tries to read the value of the object 1 minute after it was uploaded, what will S3 return?
: Being a HadoopExam.com AWS Developer you are updating an object in the Singapore region. The original content has the value
1. It will return "colour=white"
2. It will return "colour=red"
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4. It will return an error saying that the object was not found


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Explanation: The AWS S3 Singapore region supports read-after-write consistency for PUTS of new objects in the Amazon S3 bucket and eventual consistency for overwrite PUTS and DELETES. In this case since it is overwrites, it may return the old or the new object.




Related Questions

Question : Which code snippet below returns the URL of a load balanced web site created in
CloudFormation with an AWS::ElasticLoadBalancing::LoadBalancer resource name
"ElasticLoad Balancer"?
 : Which code snippet below returns the URL of a load balanced web site created in
1. "Fn::Join" : ["". [ "http://", {"Fn::GetAtt" : [ "ElasticLoadBalancer","DNSName"]}]]
2. "Fn::Join" : ["". [ "http://", {"Fn::GetAtt" : [ "ElasticLoadBalancer","Url"]}]]
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4. "Fn::Join" : [".", [ "http://", {"Ref" : "ElasticLoadBalancerDNSName"}]]
Ans : 1
Exp : Fn::GetAtt

The intrinsic function Fn::GetAtt returns the value of an attribute from a resource in the template.

Declaration

"Fn::GetAtt" : [ "logicalNameOfResource", "attributeName" ]

Parameters

logicalNameOfResource
The logical name of the resource that contains the attribute you want.

attributeName
The name of the resource-specific attribute whose value you want. See the resource's reference page for details about the attributes available for that resource type.

Return Value

The attribute value.

Example

This example returns a string containing the DNS name of the LoadBalancer with the logical name MyLB.

"Fn::GetAtt" : [ "MyLB" , "DNSName" ]
Supported Functions

For the Fn::GetAtt logical resource name, you cannot use any functions. You must specify a string that is a resource logical ID.

For the Fn::GetAtt attribute name, you can use the Ref function.





Question : Multipart upload API allows you to stop and resume uploads.

: Which code snippet below returns the URL of a load balanced web site created in
1. True
2. False


Question : A benefit of multipart upload is that you can upload a file as it is being created.
 : A benefit of multipart upload is that you can upload a file as it is being created.
1. True
2. False




Question : Parts of a multipart upload will not be completed until the "complete" request has been called which puts all the parts of the file together.
 : Parts of a multipart upload will not be completed until the
1. True
2. False


Question : Which of the following bucket names is an invalid name?

 : Which of the following bucket names is an invalid name?
1. hadoopexam.com
2. hadoopexam-com
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4. HadoopExam.com




Question : S bucket names can only contain lowercase/uppercase letters, periods, and dashes but do not have to contain them all.
 : S bucket names can only contain lowercase/uppercase letters, periods, and dashes but do not have to contain them all.
1. True
2. False


Question : Which EC API call would you use to retrieve a list of Amazon Machine Images (AMIs)?
 : Which EC API call would you use to retrieve a list of Amazon Machine Images (AMIs)?
1. DescnbeInstances
2. DescribeAMls
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4. GetAMls
5. You cannot retrieve a list of AMIs as there are over 10,000 AMIs
Ans : 3
Exp : DescribeImages

Describes one or more of the images (AMIs, AKIs, and ARIs) available to you. Images available to you include public images, private images that you own, and private images owned by other AWS accounts but for which you have explicit launch permissions.

Note
Deregistered images are included in the returned results for an unspecified interval after deregistration.




Question : Which of the following is an incorrect S bucket name?
: Which EC API call would you use to retrieve a list of Amazon Machine Images (AMIs)?
1. 111.222.333.444
2. 9hadoopexam.com
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4. 9hadoopexam.com