A customer faces a situation in which the SIP endpoints do not register to Session Manager using Transport Layer Security (TLS). A test reveals that the SIP endpoints do register using the…

Question

Options

• AD5
• BD4
• CD2
• DD1
• ED3

• A
  13% (7)
• B
  2% (1)
• C
  4% (2)
• D
  8% (4)
• E
  73% (38)

Explanation

D3 - Develop Interim Containment Action (ICA) - is correct because the decision to temporarily switch to TCP is a short-term workaround implemented to keep SIP endpoints functioning while the root cause of the TLS failure is still under investigation. D3 is specifically defined as deploying a temporary fix to contain the problem's impact without yet addressing the underlying cause.

Why the distractors are wrong:

• D1 (Form a Team): Covers assembling the cross-functional group tasked with solving the problem - a people/organization step, not a technical decision.
• D2 (Describe the Problem): Covers defining and documenting the problem in measurable terms (what, when, where, how much) - the observation phase, not the response.
• D4 (Determine Root Causes): Covers identifying why TLS registration fails - the analysis phase that follows the interim action.
• D5 (Choose Permanent Corrective Actions): Covers selecting the long-term fix once the root cause is confirmed - TCP here is explicitly temporary, not permanent.

Memory tip: Think of D3 as "Dam the flood 3mporarily" - you're not fixing the broken levee yet, just sandbagging to stop the immediate damage. Any time a question describes a temporary workaround while investigation continues, that's D3.

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