300-320 Question #704: Real Exam Question with Answer & Explanation

The correct answer is A: APIC-M. In a Cisco ACI (Application Centric Infrastructure) mixed cluster containing both APIC-M (medium) and APIC-L (large) controllers, the overall cluster scalability is determined by the APIC-M controllers. This is because the cluster's capacity is constrained by its least capable me

Question

You are designing a scalable cluster that contains a combination of Cisco APIC-M and APIC-L controllers. Which controller provides the scalability used in the cluster?

Options

AAPIC-M
BAPIC-EM
Ccombination of APIC-M and APIC -I
DAPIC-L

Explanation

In a Cisco ACI (Application Centric Infrastructure) mixed cluster containing both APIC-M (medium) and APIC-L (large) controllers, the overall cluster scalability is determined by the APIC-M controllers. This is because the cluster's capacity is constrained by its least capable members. APIC-L servers have more storage and compute resources, but in a mixed deployment, the cluster scales to the capacity limits of the APIC-M nodes. APIC-EM (option B) is an entirely different product (Application Policy Infrastructure Controller Enterprise Module) used for campus/WAN SDN, not ACI data center fabric. Option C is incorrect because the combined mix does not multiply scalability - the APIC-M is the limiting factor.

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