A.They are scalable.
B.They are Dijkstra based.
C.They share network layer reach ability information among neighbors.
D.They automate next hopdecisions.
E.They are tolerant of configuration errors.

A.It will check the MD5 checksum of the install package.
B.It will check if the device meets the memory requirements for the install package.
C.It will check the compatibility of the configuration with the install  package.
D.It will check if the device meets the storage requirement  for the install package.