Usually we monitor the EXPDP/IMPDP jobs by monitoring the log files generated by expdp/impdp process. Also we monitor alert log too just in case some error pops up. This helps most of the time. If you have a long running expdp/impdp sessions as you are exporting/importing huge GBs then it helps to have a more detailed monitoring of the expdp/impdp jobs. Some of the useful queries which can be used to monitor the Data Pump Jobs are mentioned below.
To start with some of the important tables/views that you should refer to monitor Data Pump Jobs are:
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