CompTIA A+ Certification Core 2 (220-1102) - Proxy Servers

The video tutorial explains the concept of direct connections to servers and introduces proxy servers as intermediaries that can filter and secure data. It covers the benefits of using proxy servers, such as filtering unwanted content and caching frequently accessed web pages. The tutorial also provides a step-by-step guide on configuring proxy servers in Windows, highlighting advanced features like caching. Finally, it discusses enforcing proxy server usage through firewall settings to ensure network security.

What is the primary function of a proxy server in a network?

• To increase the speed of the internet connection

• To act as an intermediary between a user's computer and the internet

• To replace the need for a router

• To directly connect users to the internet

Why might a school use a proxy server?

• To replace the need for a firewall

• To increase the speed of the internet

• To filter and restrict access to certain websites

• To allow unrestricted access to all websites

What must be configured in a web browser to use a proxy server?

• The browser's theme

• The default search engine

• The proxy server's IP address and port

• The homepage URL

Which Windows feature is used to set up a proxy server for web browsers?

• Internet Options

• Control Panel

• Task Manager

• Device Manager

What is one benefit of using a proxy server for caching?

• It requires more frequent updates

• It allows for faster access to frequently visited web pages

• It increases the cost of internet usage

• It decreases the security of the network

Why are proxy servers considered expensive?

• They require constant updates and maintenance

• They are free and open-source

• They are only used in small networks

• They do not provide any security benefits

How can users be forced to use a proxy server?

• By blocking all outgoing traffic except through the proxy server

• By disabling all other internet connections

• By setting the proxy server as the default homepage

• By using a VPN