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Cisco Exam 500-430 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?

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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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Kaitlyn
2 months 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
18 days ago
It's always better to be prepared for growth, even if it's just a single-node cluster.
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Francine
19 days ago
I agree, having a load balancer in place will definitely make scaling up easier in the future.
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Vincent
1 months ago
Option C sounds like a good choice. Planning for growth is always important, even in a small cluster.
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Filiberto
2 months 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
2 months 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
18 days ago
D) to provide redundancy for the single-node
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Oliva
1 months ago
C) to allow for deployment growth in the events cluster
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Deeann
2 months ago
A) to use the embedded Events Service along with the single-node cluster
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Verona
2 months ago
I disagree with option A. The embedded Events Service is not relevant in a single-node cluster scenario.
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Jacquline
2 months 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
17 days ago
Having redundancy is always a good idea for production environments.
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Leonida
29 days ago
D) to provide redundancy for the single-node
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Veda
2 months ago
That makes sense, we want to be able to scale up if needed.
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Tanesha
2 months ago
C) to allow for deployment growth in the events cluster
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Sheron
2 months ago
But wouldn't it also allow for deployment growth in the events cluster?
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Jade
2 months ago
I agree with Sherron, having redundancy is important in case the single-node fails.
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Sherron
3 months ago
I think a load balancer would be deployed to provide redundancy for the single-node.
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