Lost Comms

Question 1

VFR

Answer 1

proceed VFR
squawk 7600 then descend/climb to an acceptable VFR altitude
land as soon as practicable

Question 2

IFR Route

Answer 2

last assigned by ATC clearance received
if being radar vectored - the direct route from the point of radio failure to the fix, route, or airway specified in vector
in the absence of an assigned route the route that ATC said should be expected
lastly the route filed

Question 3

IFR Altitude

Answer 3

Altitude or flight level last assigned by ATC
The minimum altitude for IFR operation
the altitude or flight level ATC has advised may be expected in further clearance