Which term best describes a neighbor?
A) a path exist between vertices
B) a vertex is reachable from another vertex
C) two vertices have consecutive labels
D) two vertices are adjacent

Question

Quizplus · Accepted Answer

Two vertices being adjacent means they are directly connected, which is the definition of a neighbor. Option A describes an edge, option B describes reachability, and option C describes consecutive labels, which may not necessarily correspond to a direct connection.

Which Term Best Describes a Neighbor