Question: In a distance vector algonthm, when can a node update its distance - vector estimate? a . When it sees' a cost change in one

In a distance vector algonthm, when can a node update its distance-vector estimate?
a. When it "sees' a cost change in one of its directly attached links
b. When it receives a distance vector update from some neighbor
c. When a neighbor "sees" a cost change in one of its directly attached links
d. coly a and b
a. only a and c
anly band c
none of the atove
In a distance vector algonthm, when can a node update its

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