A Batch job is a logical grouping of one or more tasks. A job includes settings common to the tasks, such as priority and the pool to run tasks on. The app uses the BatchClient.JobOperations.CreateJob method to create a job on your pool.
Incorrect Answers:
C, D: To create a Batch pool in Python, the app uses the PoolAddParameter class to set the number of nodes, VM size, and a pool configuration.
Reference:
https://docs.microsoft.com/en-us/azure/batch/quick-run-dotnet
https://docs.microsoft.com/en-us/azure/batch/quick-run-python