1. OLAP is

A. a tool that enables users to view the same data in different ways using multiple dimensions.

B. a tool to store object data in a database. C. a online learning algorithm. D. a protocol for reliable transmission on the Internet.

2. Which of the following Internet business models involves a merchant creating an online digital environment that enables people with like interests to share information?

A. Community provider

B. Market creator

C. Transaction broker

D. Portal

E. Service provider

3. Which of the following companies uses the subscription revenue model?

A.Expedia

B. E*Trade

C. Facebook

D. Netflix

E. Yelp

4.___________is malware that logs and transmits everything a user types.

A. Spyware

B. A Trojan horse

C. A worm

D. A keylogger

E. A smiffer