Buyer protection up to 2,500€
3 years warranty for companies
Purchase on invoice possible
4.9 stars on Google
Go to homepage
Go to homepage
Manufacturer Services Blog Green IT
Image of storage products

IT glossary: technical terms from business IT and networking explained simply


From servers and networking to storage solutions and Green IT – not every term is immediately clear. In our IT glossary, you’ll find concise and easy-to-understand explanations of key terms from the world of business IT hardware and IT infrastructure. Whether you’re looking for a definition, want to better understand technical concepts or wish to find out about the latest IT topics – you’ll find the answers you need here in no time. Use our glossary as a practical source of knowledge and a guide through the diverse world of modern IT technologies.

0-9
2 Posts in this glossar category
3rd Party
4in6 | 6in4
A
11 Posts in this glossar category
Access Control
Access Network
Access Point
Active Directory
Adapter
Adaptive Security Appliance (ASA)
Advanced Persistent Threat (APT)
Application Layer Gateway
Application Programming Interface (API)
Asynchronous Transfer Mode (ATM)
Autonome Systeme
B
7 Posts in this glossar category
Backbone
Bandwidth
Bit
Border Gateway Protocol (BGP)
Bulk
Business Communication Manager (BCM)
Byte
C
10 Posts in this glossar category
Central Processing Unit (CPU)
Client-Management
Client-server technology
Cloud Networking
Cloud Telephony
Common Gateway Interface (CGI)
Conference system
Contact Center Manager (CCM)
Controller
Cybercrime
D
12 Posts in this glossar category
Data center
Data Loss Prevention
Data Security
Device Control
DHCP Snooping
Digital Media Player (DMP)
Disaster Recovery
Disaster Recovery as a Service (DRaaS)
Dispersion Compensation Units (DCU)
Domain Name System (DNS)
Dual Inline Memory Module (DIMM)
Dynamic Host Configuration Protocol (DHCP)
E
5 Posts in this glossar category
Endpoint Security
Ethernet
Ethernet connection box
Exploit
Exterior Gateway Protokoll (EGP)
F
8 Posts in this glossar category
Fiber Distributed Data Interface (FDDI)
Fibre optics
File Sharing
File Transfer Protocol (FTP)
Firewall
Firmware
Flash Core Module
Flash Memory
G
4 Posts in this glossar category
Gateway
Gbytes
Gigahertz (GHz)
Global System for Mobile Communications (GSM)
H
9 Posts in this glossar category
Hacker
Hard Disk Drive (HDD)
Hard Disk Encryption
Hard Drive
Hardware
Host-based Intrusion Detection System (HIDS)
Hosted IP telephony
Hub
Hybrid Cloud
I
15 Posts in this glossar category
Identity Services Engine (ISE)
IEEE 802
IEEE 802.1aq
IEEE 802.3ae
Infrastructure as a Service (IaaS)
Input/Output Operations Per Second (IOPS)
Interne Gateway Protokoll (IGP)
Internet Assigned Numbers Authority (IANA)
Internet Corporation for Assigned Names and Numbers (ICANN)
Internet Protocol (IP)
Internet Protocol Security (IPsec)
Intrusion Detection System (IDS)
Intrusion Prevention System (IPS)
IT security
IT-Remarketing
J
1 Posts in this glossar category
Jitter
L
5 Posts in this glossar category
Layer
Link-local Multicast Name Resolution (LLMNR)
Local Area Network (LAN)
Locally Administered Address (LAA)
Long Range Wide Area Network (LoRaWAN)
M
8 Posts in this glossar category
Malware
Managed
Managed Service Providers (MSP)
Medium Dependent Interface (MDI)
Metro Ethernet
Metropolitan Area Network (MAN)
Module
Multiprotocol Label Switching (MPLS)
N
6 Posts in this glossar category
Netflow
Network adapter
Network Attached Storage (NAS)
Network cable
Network license
Network-based Intrusion Detection System (NIDS)
O
2 Posts in this glossar category
Open Source
OSI model
P
9 Posts in this glossar category
Patch Management
Peripheral Component Interconnect (PCI)
Platform as a Service (PaaS)
Point-to-Point Protocol over ATM (PPPoA)
Point-to-Point Protocol over Ethernet (PPPoE)
Portfast
Ports
Power over Ethernet (PoE)
Proxy
Q
2 Posts in this glossar category
Quality of Service (QoS)
Quarter Inch Cartridge (QIC)
R
9 Posts in this glossar category
Ransomware
Read Access Memory (RAM)
Redundancy
Redundant Array of Independent Disks (RAID)
Refurbishment
Repeater
Root-Exploit
Router
Routing Protocol for Low-Power and Lossy Networks (RPL)
S
17 Posts in this glossar category
Scalability
Secure Shell (SSH)
Security vulnerabilities
Serial Advanced Technology Attachement (SATA)
Server
Simple Mail Transfer Protocol (SMTP)
Simple Network Management Protokoll (SNMP)
Small Form-factor Pluggable (SFP)
Software as a Service (SaaS)
Software License
Software-defined Wide Area Network (SD-WAN)
Solid State Drive (SSD)
Spam
Storage Area Network (SAN)
Storage Class Memory (SCM)
Storage-Router
Switch
T
3 Posts in this glossar category
Telecommunications
Transceiver
Transmission Control Protocol / Internet Protocol (TCP/IP)
U
4 Posts in this glossar category
Unicast
Uninterruptible Power Supply (UPS)
Unmanaged
User Datagram Protocol (UDP)
V
5 Posts in this glossar category
Virtual Private Network (VPN)
Virtual Router Redundancy Protocol (VRRP)
Virtual server
Virus
Voice over IP (VoIP)
W
3 Posts in this glossar category
Web Application Control
Wide Area Network (WAN)
Wireless Local Area Network (WLAN)
X
1 Posts in this glossar category
XFP
Z
1 Posts in this glossar category
Zero Day Exploit