When making changes to a server， which of the following is the BEST way to troubleshoot a problem？（）A、 Perform root cause analysis and then test the theory to determine the cause.B、 Make changes to the system and document everything once the problem is re

题目

When making changes to a server， which of the following is the BEST way to troubleshoot a problem？（）

A、 Perform root cause analysis and then test the theory to determine the cause.
B、 Make changes to the system and document everything once the problem is resolved.
C、 Make multiple changes to all affected areas to resolve all potential issues.
D、 Make a change and if the problem is not resolved， reverse the change.

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第3题

A pilot vessel on pilotage duty at night will show sidelights and a sternlight ______.A.when at anchorB.only when making wayC.at any time when underwayD.only when the identifying lights are not being shown

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第5题

Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.A.When at anchor, the pilot vessel is only required to sound anchor signalsB.The identification signal must be sounded any time the pilot vessel is underwayC.The pilot vessel may only sound the identity signal when making wayD.All of the above

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第7题

Doctors have to be very careful when making a ___.A.treatment B.symptom C.diagnosis D.patient

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When making changes&

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