What is

The beautiful world of Information Technology includes thousands of terms and abbreviations. Find below the most important of them

SSID = Service Set Identifier
is a collection of wireless networking devices with the same parameters.

JSON = JavaScript Object Notation
is a format for storing and transporting data. It is often used when data is sent from a server to a web page.

CA = Certificate Authority
is an entity that issues digital certificates. A digital certificate certifies the ownership of a public key by the named subject of the certificate. 
ACME = Automatic Certificate Management Environment
is a protocol that a certificate authority (CA) and an applicant can use to automate the process of verification and certificate issuance. 
PKI = Public Key Infrastructure
enables users of a basically non secure public network such as the Internet to securely and privately exchange data and money
MCSA = Microsoft Certified Solutions Associate
is an IT certification from Microsoft that validates your foundation of core technical skills and prepares you for a sustainable IT career
MCSE = Microsoft Certified Systems Engineer
is someone who has passed exams about the Microsoft Windows NT operating system, related desktop systems, networking, and Microsoft’s BackOffice server products.
CCNA = Cisco Certified Network Associate 
is an IT certification from Cisco. CCNA certification is an associate-level Cisco Career certification.
ITILInformation Technology Infrastructure Library, is a set of practices for IT service management that focuses on aligning IT services with the needs of business.

R&D = Research and Development 

SCOM = System Center Operations Manager

is a cross-platform data center monitoring system for operating systems and hypervisors. It uses a single interface that shows state, health and performance information of computer systems. It also provides alerts generated according to some availability, performance, configuration or security situation being identified. It works with Microsoft Windows Server and Unix-based hosts.

CDN = Content Delivery Networks
puts your content in many places at once, providing superior coverage to your users.

PoP = Points Of Presence
Each PoP contains a number of caching servers responsible for content delivery to visitors within its proximity.

SIM = Subscriber Identity Module
A card inside most modern cellular phones that stores information your phone needs to communicate with your carrier’s cell towers. SIM cards come in different sizes and if you were to remove the SIM card from your phone you wouldn’t be able to text, call, or access anything on the Internet.