Question

question: determine the correct definition of pagerank in the context of search engine technology.
the way google measures how popular a given page is based on the number and quality of sites that link to it.
the search relevancy of a page compared to the other pages in the search engine
the alexa technology for ranking pages.
the way yahoo! measures how popular a given page is based on the number and quality of sites that link to it.

Explanation:

Page - Rank is a Google - developed algorithm. It measures a page's popularity based on the quantity and quality of incoming links. Other options misattribute the technology or define it incorrectly.

Answer:

The way Google measures how popular a given page is based on the number and quality of sites that link to it.