DNS

Question 1

Web servers vs Application Servers

Answer 1

Webservers - for Hosting Static websites

Application Servers - For Hosting Applications and Dynamic Websites

A webserver can be made to connect to an Application server for a more application Logic

A server specifically designed to run applications.
• Includes both hardware & software that provide an environment for programs to run.
• Used for:
o Running web applications
o Hosting a hypervisor that manages virtual machines (VMs)
o Distributing and monitoring software updates o Processing data sent from another server

Question 2

Apache and Nginx are a type of load Balancers

Answer 2

Commonly, Apache is used as a back-end server due to its native dynamic content processing capabilities and modules. Meanwhile, NGINX is often used as a front-end reverse proxy server and load balancer that distributes client requests.

file:///Users/mac/Downloads/forward-proxies-vs.webp

Question 3

Forward Proxy Server

Answer 3

intermediate trusted server between private web servers and a public network. eg is an AWS Nat gateway on steroids; proxys are fast, secured, can bypass restricted websites, does caching

Question 4

Reverse Proxy

Answer 4

Reverse proxy regulates traffic coming into a Network. It creates a single point of entry into our Network of servers.

• Hides ip address
  Security
• Effect against dos attacks
• can be used as traffic hub(Load Balancer)

Question 5

Command