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Exam 1z0-997-20 topic 1 question 39 discussion

Actual exam question from Oracle's 1z0-997-20
Question #: 39
Topic #: 1
[All 1z0-997-20 Questions]

You are working as a solutions architect for an online retail store in Frankfurt which uses multiple compute instance VMs spread among three availability domains in the eu-frankfurt-1 region. You noticed the website is having very high traffic, so you enabled autoscaling to suffice the needs of your application but, you observed that one of the availability domains is not receiving any traffic.
What could be wrong in this situation? (Choose the best answer.)

  • A. Autoscaling only works with single availability domains.
  • B. You forgot to attach a load balancer to your instance pool configuration.
  • C. You have to manually add all three availability domains to your load balancer configuration.
  • D. Autoscaling is using an Instance Pool configured to create instances in two availability Domains.
  • E. Autoscaling can be enabled for multiple availability domains only in uk-london-1 region.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by fhoyos at Nov. 18, 2020, 11:01 p.m.

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fhoyos
Highly Voted 4 years, 2 months ago
D makes sense..
upvoted 6 times
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FPM
Most Recent 1 year, 9 months ago
Selected Answer: D
A. False B. Then why are the other ADs receiving traffic C. False D. When configuring and instance Pool you can select in which ADs you want to add the instances. If the other 2 ADs are receiving traffic, then you forgot to add a third AD E. False
upvoted 2 times
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IT_Thinker
3 years ago
Ans: B Here is the command he forgot to run. oci compute-management instance-pool attach-lb --backend-set-name <Name> --instance-pool-id <OCID> --load-balancer-id <OCID> --port <#> --vnic-selection The LB is 'attached' to the instance pool. Go to the "Attaching a Load Balancer to a Pool" section for the answer/explanation. https://docs.oracle.com/en-us/iaas/Content/Compute/Tasks/updatinginstancepool.htm#Updating_an_Instance_Pool
upvoted 3 times
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davidliuatoracle
4 years ago
Why A is not chosen?
upvoted 1 times
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sway999
4 years, 1 month ago
D is correct
upvoted 1 times
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ankit89
4 years, 1 month ago
B is right: Autoscaling automatically manages AD's.
upvoted 3 times
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ankit89
4 years, 2 months ago
D is correct
upvoted 3 times
Kesenbe
4 years, 2 months ago
have you took the test?
upvoted 1 times
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B (20%)
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