EXAMS AWS CERTIFIED DEVELOPER - ASOCIATE 13

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An organization has 10000 employees.

The organization wants to give restricted AWS access to each employee. How can the organization achieve this?

dentity federation enables users from an existing directory to access resources within your AWS account, making it easier to manage your users by maintaining their identities in a single place. In this case, the federated user is the only solution since AWS does not allow creating more than 5000 IAM users. http://docs.aws.amazon.com/IAM/latest/UserGuide/LimitationsOnEntities.html

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In Amazon SNS, to send push notifications to mobile devices using Amazon SNS and ADM, you need to obtain the following, except:

To send push notifications to mobile devices using Amazon SNS and ADM, you need to obtain the following: Registration ID and Client secret. http://docs.aws.amazon.com/sns/latest/dg/SNSMobilePushPrereq.html

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Which of the following is chosen as the default region when making an API call with an AWS SDK?

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A user is part of a group which has a policy allowing him just read only access to EC2.

The user is part of another group which has full access to EC2.

What happens when the user tries to launch an instance?

The IAM group policy is always aggregated. In this case, if the user does not have permission for one group, but has permission for another group, he will have full access to EC2. Unless there is specific deny policy, the user will be able to access EC2. http://docs.aws.amazon.com/IAM/latest/UserGuide/PoliciesOverview.html

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When you create a table with a hash-and-range key, you must define one or more secondary indexes on that table.

When you create a table with a hash-and-range key in DynamoDB, you can also define one or more secondary indexes on that table. http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/LSI.html

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A user is running a MySQL RDS instance.

The user will not use the DB for the next 3 months. How can the user save costs?

The RDS instances unlike the AWS EBS backed instances cannot be stopped or paused. The user needs to take the final snapshot, terminate the instance and launch a new instance in the future from that snapshot.

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A user has launched five instances with ELB.

How can the user add the sixth EC2 instance to ELB?

Elastic Load Balancing automatically distributes incoming traffic across multiple EC2 instances. You create a load balancer and register instances with the load balancer in one or more Availability Zones. The load balancer serves as a single point of contact for clients. This enables you to increase the availability of your application. You can add and remove EC2 instances from your load balancer as your needs change, without disrupting the overall flow of information. http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/SvcIntro.html

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A user is accessing an EC2 instance on the SSH port for IP 10.20.30.40.

Which one is a secure way to configure that the instance can be accessed only from this IP?

In AWS EC2, while configuring a security group, the user needs to specify the IP address in CIDR notation. The CIDR IP range 10.20.30.40/32 says it is for a single IP 10.20.30.40. If the user specifies the IP as 10.20.30.40 only, the security group will not accept and ask it in a CIRD format. http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-network-security.html

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