If the Boolean expression A is True and B is False, the value of the logical expression A And B is __________.

Which of the following states the Rule of Entity Integrity?

a. Every row must have a value for the primary key and each value must be unique. b. Every foreign key must appear as another table’s primary key. c. Every row must have a value for the primary key and values may be repeated. d. None of the above.

Write a tcpdump filter expression that, in addition to the constraints in Question 5, only captures packets using port number 23.

What will be an ideal response?