EXAMS AWS CERTIFIED DEVELOPER - ASOCIATE 17

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A root AWS account owner has created three IAM usersBob, John and Michael.

Michael is the IAM administrator.

Bob and John are not the superpower users, but users with some pre-defined policies. J

ohn does not have access to modify his password.

Thus, he asks Bob to change his password. How can Bob change John's password?

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What is one key difference between an Amazon EBS-backed and an instance-store backed instance?

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In DynamoDB, if you create a table and request 10 units of write capacity and 200 units of read capacity of provisioned throughput, how much would you be charged in US East (Northern Virginia) Region?

To understand pricing in DynamoDB, consider the following example. If you create a table and request 10 units of write capacity and 200 units of read capacity of provisioned throughput, you would be charged: $0.01 + (4 x $0.01) = $0.05 per hour http://aws.amazon.com/dynamodb/pricing/

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A user is planning to make a mobile game which can be played online or offline and will be hosted on EC2.

The user wants to ensure that if someone breaks the highest score or they achieve some milestone they can inform all their colleagues through email.

Which of the below mentioned AWS services helps achieve this goal?

Amazon Simple Email Service (Amazon SES) is a highly scalable and cost-effective email- sending service for businesses and developers. It integrates with other AWS services, making it easy to send emails from applications that are hosted on AWS. http://aws.amazon.com/ses/faqs/

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In DynamoDB, to get a detailed listing of secondary indexes on a table, you can use the action.

n DynamoDB, DescribeTable returns information about the table, including the current status of the table, when it was created, the primary key schema, and any indexes on the table. http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/SecondaryIndexes.html

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What type of block cipher does Amazon S3 offer for server side encryption?

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An organization is having an application which can start and stop an EC2 instance as per schedule.

The organization needs the MAC address of the instance to be registered with its software.

The instance is launched in EC2-CLASSIC.

How can the organization update the MAC registration every time an instance is booted?

AWS provides an on demand, scalable infrastructure. AWS EC2 allows the user to launch On- Demand instances. AWS does not provide a fixed MAC address to the instances launched in EC2-CLASSIC. If the instance is launched as a part of EC2-VPC, it can have an ENI which can have a fixed MAC. However, with EC2-CLASSIC, every time the instance is started or stopped it will have a new MAC address. To get this MAC, the organization can run a script on boot which can fetch the instance metadata and get the MAC address from that instance metadata. Once the MAC is received, the organization can register that MAC with the software. http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AESDG-chapter-instancedata.html

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Does DynamoDB support in-place atomic updates?

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