QUESTION 1 A topological ordering of G = (V, E) is: A total ordering on V such that ESR A reflexive, transitive, symmetric binary relation on V such that ES An irrefelexive, transitive, anti-symmetric binary relation on V such that E A partial ordering on V such that ECR QUESTION 2 Which of the following is a topological ordering for the graph: a,b,c,d,e,J b,c, a, d, f,e a,b,c,f,d,e f, a, d, e, b, QUESTION 1 A topological ordering of G = (V, E) is: A total ordering on V such that ESR A reflexive, transitive, symmetric binary relation on V such that ES An irrefelexive, transitive, anti-symmetric binary relation on V such that E A partial ordering on V such that ECR QUESTION 2 Which of the following is a topological ordering for the graph: a,b,c,d,e,J b,c, a, d, f,e a,b,c,f,d,e f, a, d, e, b