The type of technology an IT engineer that is planning a website upgrade with load balancing features would use is: D) Reverse Proxy.
A website can be defined as a collective name used to describe series of web pages that are linked together with the same domain name.
A web server is a type of computer that run websites and distribute web pages as they are being requested over the internet by end users (clients).
Basically, when an end user (client) request for a website by adding or typing the uniform resource locator (URL) on the address bar of a web browser; a request is sent to the internet to view the corresponding web pages (website) associated with that particular address (domain name).
In Computer Networking, a single server can be configured to appear as an endpoint for multiple servers acting behind it through the use of a reverse proxy.
Hence, a reverse proxy is a type of server that is placed right in front of other servers such as a web server and it is typically configured to forward or route an end user's requests to those multiple servers sitting behind it.
Furthermore, when a reverse proxy is properly configured, it helps to ensure security, reliability and optimum performance of a network through load balancing.
Therefore, server load balancing is a process that allows the even distribution of network traffic across multiple servers and it involves the use of a technology referred to as a reverse proxy.
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