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Cisco 500-430 Exam - Topic 3 Question 21 Discussion

Why would a load balancer be deployed in production for a single-node events cluster?
B) to hide the events server's real name
A) to use the embedded Events Service along with the single-node cluster
C) to allow for deployment growth in the events cluster
D) to provide redundancy for the single-node

Cisco 500-430 Exam - Topic 3 Question 21 Discussion

Actual exam question for Cisco's 500-430 exam
Question #: 21
Topic #: 3
[All 500-430 Questions]

Why would a load balancer be deployed in production for a single-node events cluster?

Show Suggested Answer Hide Answer
Suggested Answer: B

The Events Service is the on-premises data storage facility for unstructured data generated by Application Analytics, Database Visibility, and End User Monitoring deployments. The Events Service can be deployed as a single node or a cluster of three or more nodes, depending on the data volume and availability requirements. The Controller and other Events Service clients connect to the Events Service to store and retrieve analytics data. Therefore, it is essential that the Controller is able to initiate communication with the Events Service cluster, using the Events Service API ports (default 9080/2081). The Events Service cluster does not need to initiate communication with the Controller, as it only responds to the requests from the clients. The Events Service API ports can be reconfigured from the default values, if needed, by modifying theconf/events-service-api-store.propertiesfile on each node. However, the clients must also be updated with the new port values. It is also recommended to use a load balancer or a virtual IP address in front of the Events Service cluster, to provide a single endpoint for the clients and to enable load balancing and failover among the nodes.Reference:Events Service Deployment,Install the Events Service on Linux, andInstall the Events Service on Windowsin the AppDynamics documentation.


by Jaime at Aug 08, 2024, 11:15 AM

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Delila
9 months ago
Wait, why would you need a load balancer for just one node?
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Elouise
9 months ago
Totally agree with C! Growth is key.
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Fletcher
10 months ago
A is interesting, but not sure it’s the best reason.
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Mignon
10 months ago
I think D is a bit overkill for a single-node setup.
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Temeka
10 months ago
C makes sense for future scaling.
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Sophia
10 months ago
Providing redundancy seems like a good reason, but with a single-node setup, I'm not sure how effective that would be. Could it really provide redundancy?
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Marilynn
11 months ago
Hiding the server's real name sounds familiar, but I can't quite recall if that's a primary reason for using a load balancer.
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Maynard
11 months ago
I think we had a practice question about scaling clusters, and I recall that load balancers can help with future growth. So maybe option C makes sense?
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Thora
11 months ago
I remember discussing load balancers in class, but I'm not sure why one would be needed for just a single-node cluster.
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Kiley
11 months ago
Ah, I see. The load balancer could also provide some redundancy and failover capabilities for the single-node cluster, in case that node goes down.
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Tamra
11 months ago
Hmm, I'm a bit confused. Wouldn't a load balancer be unnecessary for a single-node cluster? I'll have to re-read the question carefully.
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Dannie
11 months ago
This question seems a bit tricky. I'll need to think through the use case for a load balancer in a single-node events cluster.
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Rebbeca
11 months ago
Okay, I think I've got it. The load balancer could be used to allow for future growth and scaling of the events cluster, even though it starts with a single node.
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Simona
11 months ago
Okay, let me break this down. Back-grounding involves investigating the applicant's history, while reporting is more about documenting findings. I think A is the best answer here, but I'll double-check my notes just to be sure.
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Kaitlyn
1 year ago
I'm going with option C. Gotta plan for growth, even in a small cluster. The load balancer will make scaling up a breeze.
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Rutha
1 year ago
It's always better to be prepared for growth, even if it's just a single-node cluster.
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Francine
1 year ago
I agree, having a load balancer in place will definitely make scaling up easier in the future.
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Vincent
1 year ago
Option C sounds like a good choice. Planning for growth is always important, even in a small cluster.
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Filiberto
1 year ago
Ha! Using a load balancer for redundancy on a single-node cluster (option D)? That's like putting a spare tire on a unicycle.
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Deeann
1 year ago
Hiding the server's real name with a load balancer (option B) seems like an odd choice. That's not a typical use case for a load balancer.
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Audria
1 year ago
D) to provide redundancy for the single-node
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Oliva
1 year ago
C) to allow for deployment growth in the events cluster
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Deeann
1 year ago
A) to use the embedded Events Service along with the single-node cluster
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Verona
1 year ago
I disagree with option A. The embedded Events Service is not relevant in a single-node cluster scenario.
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Jacquline
1 year ago
Option C seems the most reasonable choice. A load balancer would allow for future expansion of the events cluster, which is important for a production environment.
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Catherin
1 year ago
Having redundancy is always a good idea for production environments.
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Leonida
1 year ago
D) to provide redundancy for the single-node
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Veda
1 year ago
That makes sense, we want to be able to scale up if needed.
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Tanesha
1 year ago
C) to allow for deployment growth in the events cluster
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Sheron
1 year ago
But wouldn't it also allow for deployment growth in the events cluster?
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Jade
1 year ago
I agree with Sherron, having redundancy is important in case the single-node fails.
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Sherron
1 year ago
I think a load balancer would be deployed to provide redundancy for the single-node.
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