What is a LAN (local area network)?
A LAN, or local area network, is a group of connected computing devices within a localized area that usually share a centralized Internet connection. A local area network (LAN) is…
What is a protocol? | Network protocol definition
In networking, a protocol is a standardized set of rules for formatting and processing data. Protocols enable computers to communicate with one another. In networking, a protocol is a set…
What is a VPN?
A virtual private network (VPN) lets a user remotely access a private network for privacy and security. A virtual private network (VPN) is an Internet security service that allows users…
What is my IP address?
IP addresses are unique identifiers that determine who is who on the Internet. IP addresses can be formatted differently depending on whether they use IPv4 or IPv6 protocol. What is…
What is an Internet exchange point? | How do IXPs work?
An Internet exchange point (IXP) is a physical location through which Internet infrastructure companies such as Internet Service Providers (ISPs) and CDNs use to connect. An Internet exchange point (IXP)…
What is latency? | How to fix latency
Latency measured is the time it takes for data to travel. Lowering latency is an essential part of building a good user experience. Latency is the time it takes for…
What is a content delivery network (CDN)? | How do CDNs work?
Explore how a CDN delivers fast, efficient, and secure content to websites and Internet services. A content delivery network (CDN) is a geographically distributed group of servers that caches content…
What is Website Caching?
Caches store copies of files to deliver websites robustly to deliver at fast speeds where they are needed for various demands. Caching stores copies of files or data in a…
Useful ‘host’ Command Examples for Querying DNS Lookups
Host command is a minimal and easy-to-use the command line interface, or CLI utility for performing DNS lookups which translate domain names to IP addresses and vice versa. It can…
8 Linux Nslookup Commands to Troubleshoot DNS (Domain Name Server)
nslookup is a command-line administrative tool for testing and troubleshooting DNS servers (Domain Name Server). It is used to query specific DNS resource records (RR) as well. Most operating systems…