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CV0-002 · Question #479

Below is the output from a troubleshooting activity: 1. SaaS application is unavailable to a set of users at a single site. 2. WAN connectivity was considered to be the cause of the problem. 3. Upon t

The correct answer is C. Verify full system functionality. After implementing a solution during troubleshooting, it is crucial to verify full system functionality to ensure the original problem is resolved and no new issues have been introduced.

Troubleshooting

Question

Below is the output from a troubleshooting activity: 1. SaaS application is unavailable to a set of users at a single site. 2. WAN connectivity was considered to be the cause of the problem. 3. Upon testing, it seemed the WAN connectivity was up, but the default gateway was unreachable from the internal users. 4. The faulty switch was replaced to bring up the connectivity. 5. The incident was documented. Based on the methodology, which of the following steps was overlooked during the activity?

Options

  • AProblem identification
  • BEstablish theory of probable cause
  • CVerify full system functionality
  • DEstablish a plan of action and implement the solution

How the community answered

(30 responses)
  • A
    10% (3)
  • B
    3% (1)
  • C
    80% (24)
  • D
    7% (2)

Why each option

After implementing a solution during troubleshooting, it is crucial to verify full system functionality to ensure the original problem is resolved and no new issues have been introduced.

AProblem identification

Problem identification (SaaS application unavailable to users at a single site) was clearly performed as the first step.

BEstablish theory of probable cause

Establishing a theory of probable cause (WAN connectivity, then unreachable default gateway) was done and tested.

CVerify full system functionalityCorrect

After replacing the faulty switch and bringing up connectivity, the troubleshooting methodology requires verifying full system functionality. This step ensures that the original problem (SaaS application unavailability) is truly resolved for all affected users and that the fix has not caused any new or unforeseen issues.

DEstablish a plan of action and implement the solution

Establishing a plan of action (replacing the faulty switch) and implementing the solution was explicitly performed.

Concept tested: Troubleshooting methodology - verification

Source: https://learn.microsoft.com/en-us/troubleshoot/windows-client/networking/troubleshoot-tcpip-connectivity

Topics

#Troubleshooting methodology#Incident management#Network troubleshooting#Problem verification

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