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AWS Certified Developer Associate Sample Questions

Sam Lau 11 Fragen 5,0 (1 Bewertung)

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Fragen in diesem Quiz (11)

  1. 1Which of the following statements about SQS is true?
    1. AMessages will be delivered exactly once and messages will be delivered in First in, First out order
    2. BMessages will be delivered exactly once and message delivery order is indeterminate
    3. CMessages will be delivered one or more times and messages will be delivered in First in, First out order
    4. DMessages will be delivered one or more times and message delivery order is indeterminate
  2. 2EC2 instances are launched from Amazon Machine Images (AMIs). A given public AMI:
    1. Acan be used to launch EC2 instances in any AWS region
    2. Bcan only be used to launch EC2 instances in the same country as the AMI is stored
    3. Ccan only be used to launch EC2 instances in the same AWS region as the AMI is stored
    4. Dcan only be used to launch EC2 instances in the same AWS availability zone as the AMI is stored
  3. 3Company B provides an online image recognition service and utilizes SQS to decouple system
    components for scalability. The SQS consumers poll the imaging queue as often as possible to keep endto-end
    throughput as high as possible. However, Company B is realizing that polling in tight loops is
    burning CPU cycles and increasing costs with empty responses. How can Company B reduce the number
    of empty responses?
    1. ASet the imaging queue VisibilityTimeout attribute to 20 seconds
    2. BSet the imaging queue ReceiveMessageWaitTimeSeconds attribute to 20 seconds
    3. CSet the imaging queue MessageRetentionPeriod attribute to 20 seconds
    4. DSet the DelaySeconds parameter of a message to 20 seconds
  4. 4You 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. AUS-STANDARD uses eventual consistency and it can take time for an object to be readable in a bucket.
    2. BObjects in Amazon S3 do not become visible until they are replicated to a second region.
    3. CUS-STANDARD imposes a 1 second delay before new objects are readable
    4. DYou exceeded the bucket object limit, and once this limit is raised the object will be visible.
  5. 5You have reached your account limit for the number of CloudFormation stacks in a region. How do you
    increase your limit?
    1. AMake an API call
    2. BContact AWS
    3. CUse the console
    4. DYou cannot increase your limit
  6. 6Which statements about DynamoDB are true?
    1. ADynamoDB uses a pessimistic locking model
    2. BDynamoDB uses conditional writes for consistency
    3. CDynamoDB restricts item access during reads
    4. DDynamoDB restricts item access during writes
  7. 7DynamoDB uses optimistic concurrency control
    1. ARichtig
    2. BFalsch
  8. 8What is one key difference between an Amazon EBS-backed and an instance-store backed instance?
    1. AInstance-store backed instances can be stopped and restarted
    2. BAuto scaling requires using Amazon EBS-backed instances
    3. CAmazon EBS-backed instances can be stopped and restarted
    4. DVirtual Private Cloud requires EBS backed instances
  9. 9You run an ad-supported photo sharing website using S3 to serve photos to visitors of your site. At some
    point you find out that other sites have been linking to the photos on your site, causing loss to your
    business. What is an effective method to mitigate this?
    1. AUse CloudFront distributions for static content.
    2. BRemove public read access and use signed URLs with expiry dates.
    3. CBlock the IPs of the offending websites in Security Groups.
    4. DStore photos on an EBS volume of the web server.
  10. 10Your application is trying to upload a 6 GB file to Simple Storage Service and receive a "Your proposed
    upload exceeds the maximum allowed object size." error message. What is a possible solution for this?
    1. ANone, Simple Storage Service objects are limited to 5 GB
    2. BUse the multi-part upload API for this object
    3. CUse the large object upload API for this object
    4. DContact support to increase your object size limit
    5. EUpload to a different region

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Beschreibung
Cambridge Professional Development Quiz am AWS Certified Developer Associate Sample Questions, erstellt von Sam Lau am 05/10/2016.
Autor
Sam Lau
Sprache
English
Aufrufe
109
Bewertung
5,0 von 5 · 1 Bewertung
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