You must ensure that your Mappings do not run into connectivity issues when moving data from server A to server B by using an AGT agent that is running on
server B.
How must you test this by using ODI Studio running on machine C? (Choose the best answer.)
A.
Use OdiPingAgent in a package to ping AGT agent.
B.
In Topology, test the connections to servers A and B by using the AGT agent.
C.
In Topology, test the connections to the AGT agent.
D.
In Topology, test the connections to servers A and B by using Local (No Agent).
Explanation:
(http://www.ateam-oracle.com/how-to-understand-and-diagnose-odi-connectivity-issues/) as per this link even choice A is right as its alternative/additional method
for testing connectivity
B