The correct answer is: B. Google
A search engine is a software system that is designed to search for information on the World Wide Web. Google is the most popular search engine in the world, and it is used by billions of people every day. Google allows users to search for information on a variety of topics, including websites, images, videos, and news articles.
FTP stands for File Transfer Protocol. It is a standard network protocol used to transfer files between computers on a network. FTP is a text-based protocol, which means that it uses commands to transfer files.
Archie is a search engine that indexes FTP sites. It was developed in the early 1990s, and it was one of the first search engines to be available on the World Wide Web. Archie is no longer in active development, but it is still available for use.
ARPANET was the first network to use the Internet Protocol (IP). It was developed in the early 1960s by the United States Department of Defense. ARPANET was the precursor to the modern Internet.
In conclusion, the correct answer to the question “Which of these is a search engine?” is B. Google. Google is the most popular search engine in the world, and it is used by billions of people every day. Google allows users to search for information on a variety of topics, including websites, images, videos, and news articles.