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If one runs an application from a node that is undefined in the corresponding configuaration File ,Then Each user has to do

  1. Set environmental variable APT_PM_CONDUCTOR_NODENAME to the fastname of the node invoking the parallel job.

  2. Unset environmental variable APT_PM_CONDUCTOR_NODENAME to the fastname of the node invoking the parallel job.

  3. Unset environmental variable APT_PM_CONDUCTOR_NODENAME to the fastname of the node invoking the parallel job and UnSet the environmental variable APT_No_JOBMON

  4. Unset environmental variable APT_PM_CONDUCTOR_NODENAME to the fastname of the node invoking the parallel job and Set the environmental variable APT_No_JOBMON
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A Correct answer
Explanation

When running from an undefined node, you must set APT_PM_CONDUCTOR_NODENAME to the fastname of the node invoking the parallel job. This tells the parallel engine which node is coordinating execution. Unsetting the variable or modifying APT_No_JOBMON are incorrect solutions.

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