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Exam CV0-003 topic 1 question 225 discussion

Actual exam question from CompTIA's CV0-003
Question #: 225
Topic #: 1
[All CV0-003 Questions]

A large pharmaceutical company needs to ensure it is in compliance with the following requirements:

• An application must run on its own virtual machine.
• The hardware the application is hosted on does not change.

Which of the following will BEST ensure compliance?

  • A. Containers
  • B. A firewall
  • C. Affinity rules
  • D. Load balancers
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Suggested Answer: C 🗳️
by Pongsathorn at Sept. 12, 2023, 9:18 a.m.

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Pongsathorn
8 months ago
Selected Answer: C
The BEST option to ensure compliance with the requirements that an application runs on its own virtual machine and that the hardware it's hosted on does not change is **Affinity Rules.** **Affinity Rules** in a virtualized environment (such as VMware or Hyper-V) are used to control the placement of virtual machines on physical hosts. They can ensure that specific virtual machines (in this case, your application) are either kept together on the same host (affinity) or kept separate from each other (anti-affinity). Here's how affinity rules apply to your requirements: 1. **Application on its own virtual machine:** You can create an affinity rule that ensures your application's virtual machine always runs on its own dedicated host or with specific other virtual machines, depending on your compliance needs.
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Pongsathorn
8 months ago
2. **Hardware does not change:** By specifying an affinity rule, you can prevent the virtual machine from migrating to another host due to load balancing or failover events. This ensures that the virtual machine remains on the same hardware, meeting the requirement that the hardware does not change. Containers are a lightweight form of virtualization but may not guarantee that the application runs on its own virtual machine, and they don't provide control over the physical host hardware. Firewalls and load balancers serve different purposes related to network security and traffic distribution and do not directly address the requirement of ensuring that the application runs on a dedicated virtual machine on specific hardware. Affinity rules are specifically designed for this kind of workload placement control in virtualized environments.
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