How to connect/configure I2C devices on the nrf9151dk

I am trying to connect some I2C sensors to the the nrf9151dk and I cannot figure it out.  Where do I physically plug the sensor into the board and what configuration setting do I need in the Board Configurator tool?  As far as I can figure out I need to plug my sensor in to GPIO ports P0.30 and P0.31.  Is this correct?  And on the Configurator Tool I need to select GPIO (highlighted in white)? I have loaded an I2C bus scan program, written by someone else, so I am not sure if it is the program or how I am using the nrf9151dk.

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