A cellular telephone handset that can be used with more than one service provider, making it easy for a user to switch from one cellular network to another.  

A computer virus specifically adapted for the cellular environment and designed to spread from one vulnerable phone to another. Although mobile phone virus hoaxes have been around for years, the so-called Cabir virus is the first verified example. 

Skill Level: Intermediate Status: ActiveFor professionals in the the e-marketing profession. The CeM designation demonstrates that you are a professional and announces your professional competency to your employer, price cheap clients or customers-and to your peers in the eMarketing profession.

Skill Level: Foundation Status: ActiveFor individuals who demonstrate competency in the eMarketing arena. CeMA is a globally recognized e-marketing certification program accredited by the eMarketing Association (eMA). The CeMA certification is a substantial credential for students as well as professionals who are new to the e-marketing profession.

CentOS (abbreviated from Community Enterprise Operating System) is an enterprise-class Linux distribution that attempts to provide a free, community-supported computing platform which aims to be functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL). CentOS is currently the most popular Linux distribution for Web Servers.

An older term for processor and microprocessor, the central unit in a computer containing the logic circuitry that performs the instructions of a computer's programs.

A process that involves automatically replicating data from remote sites and sending it over a network to a main (centralized) location for storage. It can be used to automate backups  and potentially reduce backup administration costs.

EC-Council e-Business Certification (CEP) by EC-Council

Certified Expert Penetration Tester (CEPT) by Information Assurance Certification Review Board

Cerillion is a popular service provider in enterprise billing, charging and customer management systems. Based out of UK, the company focuses on delivering solutions to a range of industries including telecommunications, finance, utilities and transportation.

Certificate on Cloud Architecture/Design by Cloud Genius

Certificate on Cloud Technologies by Cloud Genius

Certificate on Cloud/DevOps: Automating Cloud Infrastructure by Cloud Genius

The Certification in IT Project Management (CITPM), is a Project Management Certification awarded by the Singapore Computer Society (SCS) and endorsed by Infocomm Development Authority of Singapore (IDA), is a hallmark of accredited competence and professionalism in IT project management.

Certified Agile Tester by BCS

Certified Big Data Architect by Arcitura Education