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Question 50

A customer requests a review of its current vSphere platform design.

The following information is noted:

✑ There are three different workload profiles for the virtual machines:

- Tier-1 virtual machines operate resource-intensive applications and require dedicated allocations for CPU and RAM.

- Tier-2 virtual machines operate internet-facing applications and require access to externally facing networks.

- Tier-3 virtual machines operate platform management tools such as vCenter Server and have different lifecycle management requirements.

✑ Tier-1, Tier-2 and Tier-3 virtual machines are all hosted on a single large vSphere cluster.

✑ The Chief Information Security Officer (CISO) has raised concerns that hosting externally facing applications alongside management tools does not meet internal compliance standards.

✑ The Operations team has raised concerns about Tier-1 virtual machines negatively impacting the performance of vCenter Server.

✑ The Operations lead has stated that management changes have consistently been rejected by application teams.

As a result of the review, which recommendation should the architect make regarding the design of this platform?

    Correct Answer: C

    To address the concerns raised in the review, particularly those of the Chief Information Security Officer and the Operations team, the most effective recommendation is to separate Tier-1, Tier-2, and Tier-3 virtual machines onto dedicated clusters. This approach ensures that critical security and compliance standards are met by isolating externally facing applications from management tools. Additionally, it mitigates the risk of resource contention, thus preventing Tier-1 virtual machines from negatively impacting the performance of management tools like vCenter Server. Using separate clusters also respects lifecycle management differences and addresses the operational concerns thoroughly.

Discussion
estornudoOption: C

I'd say it is C

nemisis95Option: C

C. Separate Tier-1, Tier-2 and Tier-3 virtual machines onto dedicated clusters This will address the CISO's and Operations team concerns A. Separate Tier-1, Tier-2 and Tier-3 virtual machines using dedicated distributed virtual switches (DVS) This won't address any concerns B. Separate Tier-2 virtual machines onto a dedicated cluster Doesn't address the Operations team concerns D. Separate Tier-1, Tier-2 and Tier-3 virtual machines using resource pools and shares Doesn't address the CISO's concerns

luckybmeOption: C

Agree with the C Option. D doesn't address CISO's concern

bpexamOption: C

C seems to be address all concerns

FR_WolfmanOption: C

Answer C is the only one that will meet all requirements. A : it will not address any requirements B : this will address only the network segregation need, not the others C : it may only address Tier-1 VMs concerns. It will even not be enough if we use only shares (reservations are needed)

AoliveraOption: D

D, only group one is cpu/mem constrained, breaking the solution onto different clusters will provide less resources to that group while providing lots to others that do not consume it