Which of the following is an example of three-factor authentication?
A. Username, password, smart card
B. Password, smart card, PIN
C. Password, smart card, iris scan
D. Smart card, iris scan, keystroke dynamics
C Password, smart card, and iris scan - These are the only options that include something you know, something you have, and something you are.
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To position an element at a specific spot while the rest of the page scrolls, you use ____ positioning.
A. static B. relative C. absolute D. fixed
Why is this code invalid? (Hint: you can find the W3C specification for the BR element at the same URL given in Exercise
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Case 5-1 The world of the Internet can be overwhelming. It takes time to understand the community and its players. For each of the following questions, look at the organizations, businesses, or individuals listed, and then determine what they represent as a whole. A musician who posts a music video on YouTube and a photographer who posts photos on a Web site are examples of _____.
A. ?Internet service providers B. ?key Internet dealers C. ?Internet content providers D. ?matrix suppliers
COGNITIVE ASSESSMENT Which of the following statements is NOT true about object-oriented databases (OODBs)?
A. A voice mail system is an example of a groupware database. B. An object is an item that contains data, as well as the actions that read or process the data. C. An OODB stores unstructured data more efficiently than a relational database. D. OODBs can store more types of data and access it faster than relational databases.