The Data Encryption Standard (DES)
one-time pads? Which is better for the IS manager to employ? Explain your
answer.
Q2: What is the Data Encryption Standard (DES)? What is
triple DES? How did the Rijndael protocol enhance DES?
Q3: What is an intrusion detection system (IDS)? What are
the two types of IDS? Provide examples of at least three things that a properly
configured IDS does for the IS manager.
Q4: Is intrusion prevention a proactive or reactive
approach? Why? Provide an example. What is a digital signature? How does
digital signature enhance the authenticity and integrity of data? Provide at
least two examples.





