In which one of the following types of communication, the client initiates a transaction by requesting information from a server?

Option 2 : Pull Technology

In Pull Technology types of communication, the client initiates a transaction by requesting information from a server 

• Pull technology refers to clients that make requests to servers this is the traditional way to structure a client/ server architecture.
• Pull technology is used when we type a URL into the address bar of our browser and the browser sends that request over the Internet to a server.
• Pull technology is used whenever data is transferred from a client to a server in response to a request.

• Push technology refers to servers that initiate information updates to clients.
• Push technology is an internet communication system in which a central web server or publisher generates the transaction request.
• Push technology is the polar opposite of pull technology, in which customers or receivers request information delivery.
• This term refers to the pre-programmed news, weather, or other selected information that is updated on a regular basis on a user's desktop interface.
• Web browsing applications make use of push technologies as well.

Therefore, the correct answer is Pull Technology.