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500-440 · Question #96

Which statement about when you deploy Cisco UCCE 12,000 agent deployment model where each physical CPU core is mapped 1-1 with a vCPU is true?

The correct answer is B. You cannot overload/over-subscribe the vCPU/cores on the UCS servers even if you do not over-. In Cisco UCCE's 12,000-agent deployment model with a mandated 1:1 physical-core-to-vCPU mapping, oversubscription is strictly prohibited under all conditions - the 1:1 ratio is an absolute hardware requirement, not a guideline. This exists because UCCE is a real-time contact…

Design Cisco Unified CCE Deployment

Question

Which statement about when you deploy Cisco UCCE 12,000 agent deployment model where each physical CPU core is mapped 1-1 with a vCPU is true?

Options

  • AYou can overload/over-subscribe the vCPU/cores on the UCS servers as long as the total CPU
  • BYou cannot overload/over-subscribe the vCPU/cores on the UCS servers even if you do not over-
  • CYou can overload/over-subscribe the vCPU/cores on the UCS servers as long as the memory
  • DYou can overload/over-subscribe the vCPU/cores on the UCS servers as long as you do not over-

How the community answered

(32 responses)
  • A
    16% (5)
  • B
    75% (24)
  • C
    6% (2)
  • D
    3% (1)

Explanation

In Cisco UCCE's 12,000-agent deployment model with a mandated 1:1 physical-core-to-vCPU mapping, oversubscription is strictly prohibited under all conditions - the 1:1 ratio is an absolute hardware requirement, not a guideline. This exists because UCCE is a real-time contact center platform where CPU contention from oversubscription can cause unpredictable latency, dropped calls, and agent responsiveness failures that no other tuning can compensate for.

Options A, C, and D are all wrong for the same structural reason: they each propose a condition (staying within total CPU utilization, memory limits, or some other threshold) that would make oversubscription acceptable - but Cisco's validated design guide for this deployment tier allows no exceptions. When Cisco specifies 1:1, no conditional override applies.

Memory tip: Associate "12,000 agents + 1:1 mapping" with "zero tolerance" - the larger and more critical the deployment, the stricter the isolation rules. If the ratio is 1:1, the answer to "can I oversubscribe?" is always B: No, never, regardless of anything else.

Topics

#CPU pinning#vCPU mapping#UCCE deployment#Resource allocation

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