Consider the following sequence of nodes for the undirected graph given below.
1.a b e f d g c
2.a b e f c g d
3.a d g e b c f
4.a d b c g e f
A Depth First Search (DFS) is started at node a. The nodes are listed in the order they are first visited. Which all of the above is (are) possible output(s)?

Consider a hash table of size 11 that uses open addressing with linear probing. Let h(k) = k mod 11 be the hash function used. A sequence of records with keys

43 36 92 87 11 4 71 13 14 is inserted into an initially empty hash table, the bins of which are indexed from zero to ten. What is the index of the bin into which the last record is inserted?

Consider the following $$ER$$ diagram

The minimum number of table needed to represent $$M,$$ $$N,$$ $$P, R1, R2$$ is

Consider the following $$ER$$ diagram

Which of the following is a correct attribute set for one of the tables for the correct answer to the above question?