New answers tagged license
Without an ArcGIS for Desktop Standard or Advanced license level the only topology that you can create and modify is a Map Topology. Geodatabase Topology is not available to the Basic level license. Once you have created a map topology or created a geodatabase topology, any of the buttons and tools that are available to you should no longer be grayed out. ...
OSM data is released under ODbL. In a nutshell you can do anything you like with the data as long as you attribute them. I am uncertain on SRTM data. I have always obtained it from USGS who have a similar citation policy.
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