The online content revenue model in which free content drives offline revenues is called the _________.

marketing model
advertising model
pay-per-view model
subscription model
✅ The correct answer is A.
The online content revenue model in which free content drives offline revenues is called the marketing model. Marketing mix modeling is statistical analysis such as multivariate regressions on sales and marketing time series data to estimate the impact of various marketing tactics on sales and then forecast the impact of future sets of tactics.

What is a type of virus that spreads itself, not just from file to file, but from computer to computer via e‐mail and other Internet traffic?

Computer virus
Worm
Denial‐of‐service attack
None of the above
✅ The correct answer is B.
Worm is a type of virus that spreads itself, not just from file to file, but from computer to computer via e‐mail and other Internet traffic. A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers.

What describes a process of continuously measuring results and comparing those results to optimal performance so that actual performance may be improved?

Performance
Capacity planning
Benchmarking
Data cleansing
✅ The correct answer is C.
Benchmarking describes a process of continuously measuring results and comparing those results to optimal performance so that actual performance may be improved.

What looks for people on the network who shouldn’t be there or who are acting suspiciously?

Encryption
Public key encryption
Intrusion‐detection software
Security‐auditing software
✅ The correct answer is C.
Intrusion‐detection software looks for people on the network who shouldn’t be there or who are acting suspiciously. An intrusion detection system is a device or software application that monitors a network or systems for malicious activity or policy violations.

The practice of forging a return address on an e‐mail so that the recipient is fooled into revealing private information is termed?

hacking
cracking
dumpster diving
spoofing
✅ The correct answer is D.
The practice of forging a return address on an e‐mail so that the recipient is fooled into revealing private information is termed as spoofing. A spoofing attack is a situation in which a person or program successfully masquerades as another by falsifying data, to gain an illegitimate advantage.