Definition - What does Nonrepudiation mean? Nonrepudiation is a method of guaranteeing message transmission between parties via digital signature and/or encryption. It is one of the five pillars of information assurance (IA). The other four are availability, integrity, confidentiality and authentication. Nonrepudiation is often used for digital contracts, signatures and email messages.
Definition - What does Cellular Network mean? A cellular network is a radio network distributed over land through cells where each cell includes a fixed location transceiver known as base station. These cells together provide radio coverage over larger geographical areas.
Fixed Line Network: It mainly consists of wired connections. Cellular Network: The mobile phone to the base station ( telecom towers ) is wireless. These towers are placed at specific calculate locations so that the coverage area of these towers âmakeâ a hexagonal âcellâ. This is done to efficiently cover the whole geographical area without leaving any âgapâ. Below is a pictorial representation of A cellular network: