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Exam 1z0-1072-20 topic 1 question 47 discussion

Actual exam question from Oracle's 1z0-1072-20
Question #: 47
Topic #: 1
[All 1z0-1072-20 Questions]

You are deploying a highly available web application in Oracle Cloud Infrastructure and have decided to use a public load balancer. The back-end web servers will be distributed across all three availability domains (ADs).
How many subnets should you create to deliver a secure, highly available application?

  • A. two subnets in total; one regional private subnet to host your back-end web servers and one regional public subnet to host your public load load balancer.
  • B. one subnet in total; one regional private subnet to host your back-end web servers and your public load balancer.
  • C. three subnets in total; one regional public subnet to host your back-end web servers and two AD specific private subnets to host your private load load balancer.
  • D. two subnets in total; one regional public subnet to host your back-end web servers and one regional private subnet to host your public load load balancer.
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Suggested Answer: A 🗳️
by AmrWaly at Dec. 6, 2020, 6:09 p.m.

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AmrWaly
Highly Voted 4 years, 2 months ago
answer is A. load balancer is the interface between internet and the backend web servers in order for it to distribute the load accordingly so it should be in a public subnet
upvoted 14 times
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arizk76
Most Recent 1 year, 9 months ago
Selected Answer: A
A is correct, one private subnet for web app servers for securing your app and one public for the load balancer.
upvoted 1 times
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Rishadpp
3 years ago
A is correct
upvoted 3 times
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Tanat
3 years, 1 month ago
Selected Answer: A
A is the answer https://docs.oracle.com/en-us/iaas/Content/Balance/Concepts/balanceoverview.htm
upvoted 2 times
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adouban
3 years, 3 months ago
A is correct Cause LB in Public Subnet and Web Servers in Private so two subnets in total
upvoted 2 times
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Mohamed79
3 years, 10 months ago
The Correct Answer is A, not C. To secure the backend, put it in a private subnet, and the LBAS on Public Subnet since it is must access from the internet.
upvoted 2 times
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treborbg
3 years, 11 months ago
A "With a regional subnet, the Load Balancing service creates a primary load balancer and a standby load balancer, each in a different availability domain"
upvoted 1 times
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Lif
4 years ago
A is correct
upvoted 1 times
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omid25
4 years, 1 month ago
A is correct .
upvoted 2 times
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alfonso_223
4 years, 2 months ago
C is incorrect because the load balancer must be public, so the private subnets are out of the question. A.
upvoted 3 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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