EXAMS AWS CERTIFIED DEVELOPER - ASOCIATE 36

PREGUNTA

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ADeveloper is receiving HTTP400ThrottlingException errors intermittently when calling the Amazon CloudWatch API. 


When a call fails, no data is retrieved. What best practice should first be applied to address this issue?

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How can software determine the public and private IP addresses of the Amazon EC2 instance that it is running on?

PREGUNTA

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LAS OPCIONES CORRECTAS SON:

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Which one of the following statements is NOT an advantage of DyanamoDB being built on Solid State Drives:

In DynamoDB, SSDs help achieve design goals of predictable low-latency response times for storing and accessing data at any scale. The high I/O performance of SSDs also enables to serve high-scale request workloads cost efficiently, and to pass this efficiency along in low request pricing. http://aws.amazon.com/dynamodb/faqs/

PREGUNTA

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LAS OPCIONES CORRECTAS SON:

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A user has setup Multi AZ with the MS SQL RDS instance. 


Which of the below mentioned functionalities can be achieved by the user?

The Multi AZ feature allows the user to achieve High Availability. MS SQL does not support Multi AZ. https://aws.amazon.com/rds/faqs/#36

PREGUNTA

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ADeveloper is creating a web application that requires authentication, but also needs to support guest access to provide users limited access without having to authenticate. What service can provide support for the application to allow guest access?

PREGUNTA

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Acompany is building a stock trading application that requires sub-millisecond latency in processing trading requests. 


Amazon DynamoDBis used to store all the trading data that is used to process each request. 


After load testing the application, the development team found that due to data retrieval times, the latency requirement is not satisfied. 


Because of sudden high spikes in the number of requests, DynamoDBread capacity has to be significantly over-provisioned to avoid throttling. 


What steps should be taken to meet latency requirements and reduce the cost of running the application?

PREGUNTA

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LAS OPCIONES CORRECTAS SON:

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ADeveloper is creating an Auto Scaling group whose instances need to publish a custom metric to Amazon CloudWatch. 


Which method would be the MOSTsecure way to authenticate a CloudWatch PUTrequest?

PREGUNTA

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LAS OPCIONES CORRECTAS SON:

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An application under development is required to store hundreds of video files. 


The data must be encrypted within the application prior to storage, with a unique key for each video file. 


How should the Developer code the application?

 

 

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