Who is responsible for completing Discipline 4 ?Determining Root Cause, of the 8D Troubleshooting Methodology?

Question

Options

• AAvaya Tier 2
• BAvaya Tier 1
• CAvaya Tier 3
• DAvaya Tier 4

• A
  7% (4)
• B
  2% (1)
• C
  89% (50)
• D
  2% (1)

Explanation

In Avaya's support structure, Tier 3 handles the deepest level of technical investigation, making them responsible for D4 (Determining Root Cause) - a discipline that requires advanced engineering expertise to isolate the true underlying cause of a problem beyond surface-level symptoms. Tier 1 is incorrect because they handle initial contact and basic troubleshooting (D1–D2 territory), not deep root cause analysis. Tier 2 is incorrect because they manage escalations and containment actions but lack the engineering depth required for formal root cause determination. Tier 4 is incorrect because that level typically represents product development or R&D, engaged only for defect fixes or product-level issues, not standard field troubleshooting disciplines.

Memory tip: Think of the 8D disciplines as escalating in complexity - root cause (D4) sits at the analytical heart of the process, and Tier 3 mirrors that "third level deep" idea, making it the natural fit for the discipline that requires the most technical depth.

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