What is a DNS A record
The DNS A record points to the IP address for a given domain name. What is a DNS A record? The “A” stands for “address” and this is the most…
What is a DNS AAAA record?
The DNS AAAA record matches a domain name with an IPv6 address — similar to A records, which do the same for IPv4 addresses. What is a DNS AAAA record?…
What Is DNS propagation?
Now that you have the background knowledge you need, we can take a closer look at what DNS propagation is and how you can influence its performance. When you make…
What is identity and access management (IAM)?
Overview Identity and access management (IAM) is a centralized and consistent way to manage user identities (i.e., people, services, and servers), automate access controls, and meet compliance requirements across traditional…
What is a Network Node?
What is a computer network, and where do network nodes fit? A computer network is a computer and computing device system connected via communication links. These links allow the computers…
What is a firewall? How network firewalls work
A firewall sits between a network and the Internet, controlling data flow in and out of the network to stop potential security threats. What is a firewall? A firewall is…
How to calculate network bandwidth requirements
Figuring out how to calculate bandwidth requirements is vital to ensuring your network runs smoothly, and it’s best to use the correct formula from the beginning. Bandwidth requirements vary from…
What is bandwidth (network bandwidth)?
What is network bandwidth? Network bandwidth is a measurement indicating the maximum capacity of a wired or wireless communications link to transmit data over a network connection in a given…
What is SSH?
What is SSH? SSH, or Secure Shell or Secure Socket Shell, is a network protocol that gives users, particularly system administrators, a secure way to access a computer over an…
Definition – Web Server
Web servers use HTTP (Hypertext Transfer Protocol) and other protocols to respond to client requests made over the Internet. The main job of a web server is to display website…