The DNS server stores the IP addresses of website's URL, the internet works with IP addresses so when you request to go to a website you type in the URL, the computer requests the DNS server for the IP address associated with the URL wanted by the user.
The NAT solves the issue of there being too many people using the internet and not enough IP addresses for everyone. It allows for many computers connected to the same router to share the same public IP address, by assigning each device connected to the router with a unique private IP address.
VPN (Virtual Private Network) allows for users to access private networks and share data from a public network securely. VPN's can be used for a number of reasons including: accessing data that is geographically restricted, or accessing websites that are censored in your area and accessing data securely without anybody watching.
Routers and switches are hardware devices that are essential to the running of networks.
The DHCP is responsible for assigning IP addresses to hosts on the network. DHCP is imperative to the running of the network, if DHCP was not used then IP world be allocated manually, this would lead to conflict occurring as two hosts would have the same IP addresses.
I am going to be starting a series of blogs explaining the fundamentals of networks, today I explain ARP (Address Resolution Protocol).
Approximately 156 million phishing emails are sent every day. Phishing is a commonly used hack that impersonates a person or a company to gain information about people, it can also be used to install malware on a computer.
The Internet is immense, there is now more than 3.2 billion people using the internet.
I think that technology can be used to conserve the environment, it is up to us to use technology for the good of the earth. In this article I discuss ways that we (as a human race) can use technology to conserve the environment.
Hackers are ahead of businesses and will continue to so unless the business start doing things differently.