Networks - GATE practice papers - Electronics & Communication for Q. 521
Q. Which statements represent the properties of a tree according to the network graph theory ?
A1 : There exists only a single path between any pair of nodes.
A2 : The rank of a tree is similar to the rank of graph
A3: A tree does not contain any node on the graph
A4 : A tree comprises all closed paths
(Marks : 02)- Published on 19 Oct 15a. A1 & A2
b. A3 & A4
c. A1, A2 , A 3 & A4
d. None of the above
ANSWER: A1 & A2
Only the statements A1 & A2 satisfy the properties of a tree. The statements A3 & A4 are not precise because a tree contains all the nodes on the graph and does not contain any closed path.