Q1. What is a sink?
a. A node with no incoming edges.
b. A node with maximum incoming edges.
c. A node with maximum outgoing edges.
d. A node with no outgoing edges.
Q2. What should we do when encountered a sink?
a. Stop the algorithm.
b. Start with the last node.
c. Randomly choose a node from all nodes.
d. Randomly choose a node from neighbor nodes.