Free ACA-Operator Exam Braindumps (page: 7)

Page 6 of 16

CloudMonitor is for tracking operations on cloud resources.

  1. True
  2. False

Answer(s): B


Reference:

https://www.alibabacloud.com/help/doc-detail/35170.htm



A developer has written a web application using a microservice architecture, in such an architecture, the client (web browser or mobile application) first initiates a request. The request first reaches the load balancer, then goes through an authentication service, a billing service, then requests a resource, and finally a result is returned.

How many spans does such a call chain consist of?

  1. 3
  2. 4
  3. 5
  4. 6

Answer(s): C

Explanation:

1-request, 2-load balancer, 3-authentication service, 4-billing service, 5-resource request



After you enable health checks of Server Load Balancer (SLB), when one backend ECS instance is declared as unhealthy, which of the following statements is correct?

  1. Requests are forwarded to other normal ECS instances and the unhealthy ECS instance is shutted down
  2. Requests are forwarded to other normal ECS instances. When the faulty ECS instance becomes normal, SLB forwards requests to the ECS instance again
  3. Requests are not forwarded to the ECS instances and you get back a 400 error
  4. Requests are not forwarded to the ECS instances and you get back a 500 error

Answer(s): B


Reference:

https://www.alibabacloud.com/help/doc-detail/27702.htm



Which of the following options are correct for Multipart Upload and Resumable Upload in Object Storage Service (OSS)? (Number of correct answers: 3)

  1. Use Multipart Upload to upload multiple parts of a file in parallel to speed up the upload process
  2. Multipart Upload is usually used when the size of the file to be uploaded is large
  3. If the upload fails due to an accident during the uploading of fragments, you need to upload all the fragments again
  4. After an upload is interrupted, the portions of the file which have successfully uploaded prior to the interruption will be saved in the OSS bucket

Answer(s): A,B,D






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