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Two popular routing algorithms are Distance Vector(DV) and Link State (LS) routing. Which of the following are true?

(S1):  Count to infinity is a problem only with DV and not LS routing
(S2):  In LS, the shortest path algorithm is run only at one node
(S3):  In DV, the shortest path algorithm is run only at one node
(S4):  DV requires lesser number of network messages than LS

  1. S1, S2 and S4 only
  2. S1, S3 and S4 only
  3. S2 and S3 only
  4. S1 and S4 only

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