When a Web page changes,_____ directories update their indexes and databases automatically to reflect the change.
A)cookie-frame
B)open-term
C)human-powered
D)crawler-based

Question

Quizplus · Accepted Answer

Crawler-based directories use automated bots or "crawlers" to constantly scan the internet for new or updated web pages. As soon as a change is detected, the indexes and databases are updated automatically to reflect the change. This ensures that the directory remains current and accurate.

When a Web Page Changes,_____ Directories Update Their Indexes and Databases