WAN
WAN (Wide Area Network)
  • Know-how

Anyone who deals with networks will come across the term WAN (Wide Area Network) sooner or later. Lots of people confuse WAN with WLAN or LAN. But a Wide Area Network clearly differs from these two other network types. We explain what a WAN is used for, how it’s structured, and compare it with related networks.

WAN (Wide Area Network)
UEFI - Unified Extensible Firmware Interface
UEFI (Unified Extensible Firmware Interface)
  • Know-how

New computers using Windows 10 today usually boot with a special interface. The Unified Extensible Firmware Interface (UEFI) provides new functions and options for administrators and users. To better understand and get the most out of this advanced boot technology, you will need to become familiar with the basics of UEFI.

UEFI (Unified Extensible Firmware Interface)
Ubuntu: The Linux system for everyone
Linux Distribution Ubuntu
  • Know-how

Whether a home PC, work laptop, or website server – without an operating system, the management of hardware resources wouldn’t be possible. Windows systems have proven themselves over the years, and Apple computers run with Mac OS X as the standard, but Linux distributions are no longer a niche in the server environment. Ubuntu, for example, continues to build on traditional open source...

Linux Distribution Ubuntu
The OSI model: a reference for standards and protocols
OSI Model
  • Know-how

Those working with network technology are bound to encounter the ISO-OSI model sooner or later. This system subdivides communication between computer systems into seven different layers. Each of these layers is assigned a certain task. With the help of this layer model, subareas of abstract processes are able to be descriptively explained.

OSI Model
How does affiliate marketing work?
Online marketing basics: affiliate marketing
  • Online sales

Commission-based business transactions are familiar to most readers when it comes to the real estate or insurance industry: If a broker manages to successfully sell a flat or insurance to a customer, he or she receives a commission. The same principle applies for the classic discipline of online marketing: affiliate marketing. The players here are registered merchants and affiliates, who calculate...

Online marketing basics: affiliate marketing
SSD vs. HDD
SSD vs. HDD
  • Know-how

What are the differences between SSD and HDD? Our SSD vs. HDD comparison presents the essential information of both storage technologies. We’ll also give you tips as to which hard drive technology is best suited for select applications. Will it be the mature and inexpensive hard disk drive or the fast and more expensive solid-state drive?

SSD vs. HDD
Software Defined Networking
SDN (Software Defined Networking)
  • Know-how

Renting cloud resources is common practice in many companies. This is because the use of external, visualized hardware is attractive both for cost reasons and because of the associated flexibility: Many providers now use Software Defined Networking (SDN), a modern network approach that makes it possible to manage and scale hardware around the clock using software.

SDN (Software Defined Networking)
Software Defined Data Center
Software Defined Data Center (SDDC)
  • Know-how

Software-defined Infrastructure-as-a-Service options have taken the market by storm. More and more providers are offering these flexible IT resources, ranging from storage and servers to complete networks. With the software defined data center (SDDC), there is now a solution that combines all IaaS models and grants access to an entirely virtual data center.

Software Defined Data Center (SDDC)
Buying Office 365 online
How to find the right Microsoft 365 plan when buying online
  • Technical matters

When you’re buying Microsoft 365 online, you get all the important Office applications (Word, Excel, PowerPoint, etc.) as well as practical cloud functions. Microsoft provides a range of subscription models to choose from to cover different requirements, allowing individuals and businesses to select the plans that suit them best. Find out more about the options and how you can get all the features...

How to find the right Microsoft 365 plan when buying online
SFTP (SSH File Transfer Protocol)
SFTP (SSH File Transfer Protocol)
  • Know-how

Using SSH File Transfer Protocol (SFTP), you can transfer data bidirectionally within an authorized group of people in a particularly secure way. The transfer between the client and server takes place via an encrypted IP-based data tunnel. The basic File Transfer Protocol (FTP) has major security vulnerabilities, which were eliminated in the refined SSH File Transfer Protocol.

SFTP (SSH File Transfer Protocol)