When it comes to pinning vNIC traffic from a UCS Server to the Fabric Interconnect uplink what configuration can you perform?

Question

Options

• AYou can configure Automatic Uplink Pinning. If an uplink interface fails on one Fabric Interconnect,
• BYou can configure Static Uplink Pinning. If an uplink interface fails on one Fabric Interconnect, the
• CYou can configure Automatic Uplink Pinning. If an uplink interface fails on one Fabric Interconnect
• DYou can configure Static Uplink Pinning. If an uplink interface fails on one Fabric Interconnect, the
• EYou can configure Static Uplink Pinning. If an uplink interface fails on one Fabric Interconnect the

• A
  87% (39)
• B
  7% (3)
• C
  2% (1)
• D
  4% (2)

Explanation

Automatic Uplink Pinning (option A) is correct because UCS supports this mode where the Fabric Interconnect dynamically distributes vNIC traffic across available uplinks and - critically - automatically repins affected vNICs to a surviving uplink if one fails, maintaining traffic flow without manual intervention.

Why the distractors are wrong:

• B, D, E all describe "Static Uplink Pinning," which does exist in UCS but behaves differently: a vNIC manually pinned to a specific uplink will lose connectivity if that uplink fails - there is no automatic failover within the same Fabric Interconnect. These three options are also subtly different in punctuation/wording, making them tricky near-duplicates.
• C says "Automatic Uplink Pinning" like A but its trailing clause is incomplete or incorrectly worded, misrepresenting the failover behavior - the exam is testing whether you recognize the precise, accurate statement.

Memory tip: Think "Auto = Adaptive" - Automatic Pinning adapts when a link drops, while Static Pinning stays stubbornly pinned even to a dead uplink. In UCS, "automatic" always implies the system can self-correct distribution, which is the preferred production configuration for resilience.

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