EXAMS AWS CERTIFIED DEVELOPER - ASOCIATE 1

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A user plans to use RDS as a managed DB platform. Which of the below mentioned features is not supported by RDS?

AWS RDS provides a managed DB platform, which offers features, such as automated backup, patch management, automated failure detection and recovery. The scaling is not automated and the user needs to plan it with a few clicks. http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Welcome.html

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Which of the below mentioned options is not a best practice to securely manage the AWS access credentials?

It is a recommended approach to avoid using the access and secret access keys of the root account. Thus, do not download or delete it. Instead make the IAM user as powerful as the root account and use its credentials. The user cannot generate their own access and secret access keys as they are always generated by AWS. http://docs.aws.amazon.com/IAM/latest/UserGuide/IAMBestPractices.html

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When using Amazon SQS how much data can you store in a message?

With Amazon SQS version 2008-01-01, the maximum message size for both SOAP and Query requests is 8 KB. If you need to send messages to the queue that are larger than 8 KB, AWS recommends that you split the information into separate messages. Alternatively, you could use Amazon S3 or Amazon SimpleDB to hold the information and include the pointer to that information in the Amazon SQS message. If you send a message that is larger than 8KB to the queue, you will receive a MessageTooLong error with HTTP code 400. https://aws.amazon.com/items/1343?externalID=1343

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____________ can be used to bootstrap both the Chef Server and Chef Client software on your EC2 instances.

AWS CloudFormation can be used to bootstrap both the Chef Server and Chef Client software on your EC2 instances. http://aws.amazon.com/cloudformation/faqs/

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Doug has created a VPC with CIDR 10.201.0.0/16 in his AWS account. In this VPC he has created a public subnet with CIDR block 10.201.31.0/24.

While launching a new EC2 from the console, he is not able to assign the private IP address 10.201.31.6 to this instance. Which is the most likely reason for this issue?

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A user has created a new EBS volume from an existing snapshot.

The user mounts the volume on the instance to which it is attached.

Which of the below mentioned options is a required step before the user can mount the volume?

When a user is trying to mount a blank EBS volume, it is required that the user first creates a file system within the volume. If the volume is created from an existing snapshot then the user needs not to create a file system on the volume as it will wipe out the existing data. http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-using-volumes.html

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A user has launched an EC2 instance and installed a website with the Apache webserver.

The webserver is running but the user is not able to access the website from the internet.

What can be the possible reason for this failure?

In Amazon Web Services, when a user has configured an instance with Apache, the user needs to ensure that the ports in the security group are opened as configured in Apache config. E.g. If Apache is running on port 80, the user should open port 80 in the security group. http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-network-security.html

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A user has attached one RDS security group with 5 RDS instances.

The user has changed the ingress rule for the security group. What will be the initial status of the ingress rule?

When the user makes any changes to the RDS security group the rule status will be authorizing for some time until the changes are applied to all instances that the group is connected with. Once the changes are propagated the rule status will change to authorized.

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