Answer to Question 1
It is reliable in the sense that all the question formats (matching, true-false, and multiple choice) can be scored objectively. However, to the extent that students are guessing randomly at the answers
Answer to Question 2
Other problems include the following:
He imposes time constraints that may or may not allow all students to finish the test.
He discourages questions when students are confused.
He insists on including bad test items when he computes the overall test scores.