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