When we want one class to inherit from another class, yet we want a particular function to behave differently (that would otherwise be inherited), we use:

Match the following terms to their meaning:

I. links II. keywords III. metasearch IV. subject-oriented search A. search using more than one search engine B. sorts results by categories C. used to access the websites that match your criteria D. search terms

Which of the following is a switching protocol for backbone or label edge routers to optimize packet exchange through creating labels?

A. ISDN B. MPLS C. SONET D. ATM