The correct answers are B and C .
The study guide has a section titled “Not Verified Status on the Collector Agent” and states:
“The collector agent cannot verify if the user is still logged in” and lists these common causes :
“A firewall is blocking traffic to port 139 and 445”
“The workstation remote registry service is not running”
The guide also explains the verification method:
“For WMI polling mode, the collector agent checks the WMI service. For all the other modes, the collector agent checks the HKEY_USERS hive through remote registry services.” If the workstation does not respond to these checks, the status can become not verified
An additional requirements slide in the same study guide confirms:
“TCP ports 139 and 445 must be open between the collector agent and all workstations”
“Remote registry service must be up and running on each workstation”
Why the other options are wrong:
A is wrong because the study guide mentions a workstation coming out of hibernate mode under a different problem: “No Internet After IP Address Change” , not as a common cause of Not Verified status
D is wrong because DNS resolution issues are also discussed under the IP address change scenario, where the collector agent uses DNS to resolve the workstation name after an IP change. That is separate from the Not Verified causes listed for this log message
So the verified answers are: B, C .
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