A(n) ________________ takes place when an unauthorized person gains access to a digital device by using an Internet connection and exploiting vulnerabilities in hardware or software.

Web developers have a collection of various ____, with CSS, for common layouts such as two-column and three-column designs.

A. indices B. templates C. wizards D. baselines

Some e-businesses that generate revenue from advertising charge____ fees for certain premium services.

A. personalization B. subscription C. infomediary D. affiliate