List of computing and IT abbreviations

UNC               Universal Naming Convention

\\servername\shared name (It is used to access the shared folder)

MAC              Media Access Control

PDC                Primary Domain Controllers

BDC               Backup Domain Controllers

SMP               Symmetric Multi Processors

AMP              Asymmetric Multi Processing

EFS                Encrypted File System

FAT                File Allocation Table

HCL               Hardware Compatibility List

IIS                  Internet Information Service

LSA                Local Security Authority

MMC             Microsoft Management Console

OU                  Organizational Unit

RAS                Remote Access Service

RDP                Remote Desktop Protocol (used for Terminal Services)

RRAS             Routing and Remote Access Service

SID                 Security Identifier

WINS             Windows Internet Name Service

GUID              Globally Unique identifier

IAS                 Internet Authentication Service

UPN                User Principle Name (Username@domainname.com)

BIOS               Basic Input Output System

Net BIOS        Network Basic Input/Output System

ARP                Address Resolution Protocol

DVD               Digital Video Disk

GPO                Group Policy Object (LGPO Local Group Policy Object)

IPsec               Internet Protocol Security

ISP                  Internet Service Provider

NAT               Network Address Translation

MBT               Master Boot Record

USB                Universal Serial Bus

POST              Power On Self Test

SCSI               Small Computer System Interface

SMTP             Simple Mail Transfer Protocol

URL               Uniform Resource Locator

RAID              Redundant Array of Independent Disk

IDE                 Intelligent drive Electronics or Integrated Drive Electronics

FQDN             Fully Qualified Domain Name (full computer name) [computername.domainname.com]

OSPF              Open Shortest Path First (these two are routing protocols)

RIP                 Routing Information Protocol

POP3              Post Office Protocol   (used to receive the mails)

SMTP             Simple Mail Transfer Protocol (Used to send the mails)

SMPS             Switch Mode Power Supply

PING              Packet Internet Groper

VNC               Virtual Network Computing

EULA             End User License Agreement

CAL               Client Access License

TSCAL          Terminal Services Client Access License

UPS                Uninterruptible Power Supply

BIND              Berkeley Internet Name Domain

PXE                Pre boot eXecutable Environment

UDF                Uniqueness Database file

LDAP             Light weight Directory Access Protocol

ISDN              Integrated Services Digital Network

VLSM            Variable Length Subnet Mask

CIDR              Classless Inter Domain Routing

IGMP             Internet Group Management Protocol

FSMO             Flexible Single Master Operations     

APIPA            Automatic IP addressing

NetBEUI        Net Bios Enhanced User Interface

UDP                User Datagram Protocol

FTP                File Transfer Protocol

Mbps              Mega bits per second

Ntds.dit           Nt directory services.directory information tree.

ICMP             Internet Control message Protocol

IGMP             Internet group Management Protocol

NNTP             Network News Transfer Protocol

RADIUS        Remote Authentication Dial In User service

SNMP            Simple Network Management protocol

VPN               Virtual Private Network

L2TP              Layer2 Tunneling Protocol

PPTP              Point to Point Tunneling Protocol

ADSI             Active Directory Service Interfaces

SUS               Software Update Service

SMS              System Management Service

WUS             Windows Update service

TFTP             Trivial File Transfer Protocol