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Alibaba ACP-Cloud1 Exam - Topic 8 Question 24 Discussion

Alibaba Cloud Server Load Balancer (SLB) provides services for distributing traffic among multiple ECS instances SLB can expand the application system's service capacity through traffic distribution, and improve the system's availability by eliminating SPoFs (Single Points of Failure). Which of the following statements are correct? (Number of correct answers; 2)
A) One of SLB's features is the Health Check. If some of the backend ECS instances are down, whereas other backend ECS instances can still provide services, then the system can continue to work normally. and D) SLB provides a function to automatically synchronize data among backend ECS instances using rsync remote synchronization.
B) When recreating an SLB instance that has an Internet IP address, a new Internet IP address will be assigned to the SLB instance.
C) Before using SLB to provide external services, make sure that you have installed and correctly configured the SLB agent on all of the backend ECS instances.

Alibaba ACP-Cloud1 Exam - Topic 8 Question 24 Discussion

Actual exam question for Alibaba's ACP-Cloud1 exam
Question #: 24
Topic #: 8
[All ACP-Cloud1 Questions]

Alibaba Cloud Server Load Balancer (SLB) provides services for distributing traffic among multiple ECS instances SLB can expand the application system's service capacity through traffic distribution, and improve the system's availability by eliminating SPoFs (Single Points of Failure). Which of the following statements are correct? (Number of correct answers; 2)

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Suggested Answer: A, D

by Ernest at Jun 18, 2022, 07:27 PM

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Sabra
7 months ago
Wait, does SLB really eliminate all SPoFs? That seems too good to be true!
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Amos
7 months ago
D sounds a bit sketchy, I don't think SLB does rsync.
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Lorenza
7 months ago
C seems off, I don't remember needing an SLB agent on all instances.
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Francis
8 months ago
I think B is true too, new IPs are assigned when recreating.
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Reena
8 months ago
A is definitely correct, health checks are crucial!
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Terry
8 months ago
I don't recall anything about rsync in relation to SLB, so I'm leaning towards option D being incorrect. It seems like a different function altogether.
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Francene
8 months ago
I practiced a question similar to this, and I think option C is definitely correct. The SLB agent needs to be configured on the ECS instances for it to work properly.
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Leonora
8 months ago
I remember that Health Check feature being really important for SLB, so I think option A is correct. It helps keep the service running even if some instances fail.
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Staci
8 months ago
I'm not entirely sure about option B. I think when you recreate an SLB instance, it might keep the same IP, but I could be mixing that up with another service.
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Felton
8 months ago
Okay, I remember learning about this in class. Let me see if I can recall the key elements that go into determining the Maximum Tolerable Downtime.
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Bernardo
8 months ago
Ah, I see what they're getting at now. The remaining technological life is actually an important factor to consider, so that can't be the one we exclude. I'll go with option A, remaining legal (or legal protection) life.
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Noah
8 months ago
This seems pretty straightforward. I just need to figure out the total rent received in advance and the portion that relates to the period after 30 September. I'm confident I can get the right answer here.
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Sharen
8 months ago
I'm a bit confused about the difference between HDT and HDP pools. The third option mentions enabling Active Flash on HDP pools, but the second option was specific to HDT. I'll need to double-check the details on those pool types.
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Tamie
8 months ago
Okay, I've got this. The rules of evidence are all about ensuring the reliability and admissibility of evidence in legal proceedings. "Non-admissible" is the only option here that doesn't directly relate to that.
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