You can verify the certification by running the below command before, and after you add a certification or remove a certification.

./dmctl -s duganm-ampm-703-2 get
ICF_TopologyManager::ICF-TopologyManager| grep .1.3.6.1.4.1.9.1.947.2.2

where. .1.3.6.1.4.1.9.1.947.2.2 is a sample OID.