{HEAD ~ The diagnostic tool} then tests the connectivity from the computer to a selected network entity, and the status of {TAIL ~ the connectivity} is graphically displayed 
{ HEAD ~ The diagnostic tool } then tests the connectivity from the computer to a selected network entity , and the status of { TAIL ~ the connectivity } is graphically displayed
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH