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DEV-251-316

Victoria Arda 66 questions

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Questions in this quiz (66)

  1. 1What happens, by default, when one of the resources in a CloudFormation stack cannot be created?
    1. AA. Previously-created resources are kept but the stack creation terminates.
    2. BB. Previously-created resources are deleted and the stack creation terminates.
    3. CC. The stack creation continues, and the final results indicate which steps failed.
    4. DD. CloudFormation templates are parsed in advance so stack creation is guaranteed to succeed.
  2. 2Which of the following are correct statements with policy evaluation logic in AWS Identity and Access
    Management? (Choose two.)
    1. AA. By default, all requests are denied
    2. BB. An explicit allow overrides an explicit deny
    3. CC. An explicit allow overrides default deny.
    4. DD. An explicit deny does not override an explicit allow
    5. EE. By default, all request are allowed
  3. 3You have an environment that consists of a public subnet using Amazon VPC and 3 instances that are running in this subnet. These three instances can successfully communicate with other hosts on the Internet. You launch a fourth instance in the same subnet, using the same AMI and security group configuration you used for the others, but find that this instance cannot be accessed from the Internet.
    What should you do to enable internet access?
    1. AA. Deploy a NAT instance into the public subnet.
    2. BB. Modify the routing table for the public subnet
    3. CC. Configure a publically routable IP Address In the host OS of the fourth instance.
    4. DD. Assign an Elastic IP address to the fourth instance.
  4. 4If a message is retrieved from a queue in Amazon SQS, how long is the message inaccessible to other users by default?
    1. AA. 0 seconds
    2. BB. 1 hour
    3. CC. 1 day
    4. DD. forever
    5. EE. 30 seconds
  5. 5What is the format of structured notification messages sent by Amazon SNS?
    1. AA. An XML object containing MessageId, UnsubscribeURL, Subject, Message and other values
    2. BB. An JSON object containing MessageId, DuplicateFlag, Message and other values
    3. CC. An XML object containing MessageId, DuplicateFlag, Message and other values
    4. DD. An JSON object containing MessageId, unsubscribeURL, Subject, Message and other values
  6. 6Which of the following services are key/value stores? (Choose three.)
    1. AA. Amazon ElastiCache
    2. BB. Simple Notification Service
    3. CC. DynamoDB
    4. DD. Simple Workflow Service
    5. EE. Simple Storage Service
  7. 7When uploading an object, what request header can be explicitly specified in a request to Amazon S3 to encrypt object data when saved on the server side?
    1. AA. x-amz-storage-class
    2. BB. Content-MD5
    3. CC. x-amz-security-token
    4. DD. x-amz-server-side-encryption
  8. 8What item operation allows the retrieval of multiple items from a DynamoDB table in a single API call?
    1. AA. GetItem
    2. BB. BatchGetItem
    3. CC. GetMultipleItems
    4. DD. GetItemRange
  9. 9After launching an instance that you intend to serve as a NAT (Network Address Translation) device in a public subnet you modify your route tables to have the NAT device be the target of internet bound traffic of your private subnet. When you try and make an outbound connection to the Internet from an instance in the private subnet, you are not successful.
    Which of the following steps could resolve the issue?
    1. AA. Attaching a second Elastic Network interface (ENI) to the NAT instance, and placing it in the private subnet
    2. BB. Attaching a second Elastic Network Interface (ENI) to the instance in the private subnet, and placing it in the public subnet
    3. CC. Disabling the Source/Destination Check attribute on the NAT instance
    4. DD. Attaching an Elastic IP address to the instance in the private subnet
  10. 10You attempt to store an object in the US-STANDARD region in Amazon S3, and receive a confirmation that it has been successfully stored. You then immediately make another API call and attempt to read this object. S3 tells you that the object does not exist.
    What could explain this behavior?
    1. AA. US-STANDARD uses eventual consistency and it can take time for an object to be readable in a bucket
    2. BB. Objects in Amazon S3 do not become visible until they are replicated to a second region.
    3. CC. US-STANDARD imposes a 1 second delay before new objects are readable.
    4. DD. You exceeded the bucket object limit, and once this limit is raised the object will be visible.

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AWS AWS Quiz on DEV-251-316, created by Victoria Arda on 24/06/2020.
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