The event that will not cause recalculation of the distance vector is

PYQ RPSC Programmer 2011

1. A.

   Discovery of a long path to a new destination

2. B.

   Discovery that a link to a neighbor has gone down

3. C.

   Receive a shorter path to an existing destination

4. D.

   Discovery of a longer path to an existing destination

Attempted by 3 students.