Decibel (db) The decibel (dB) is a logarithmic ratio used to measure sound level. It is also widely used in electronics, signals and communication. The dB is a logarithmic way of describing a ratio. The ratio may be power, sound…
Mac Address

MAC Addresses is unique 48-bits address embedded into a  Network Interface card NIC during manufacturing process. These 6-byte addresses are expressed in 12 digits hexadecimal numbers.

Firewall is a network security tool that monitors incoming and outgoing network traffic and permits or blocks data packets based on defined rules.