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.What is a WAN (Wide Area Network)? The Technology at a Glance
Recently, a new EU directive has highlighted the importance of cookies, as these small text files sometimes store sensitive user data. But how do cookies actually work, and why do we need them? We will look at the small data packets that are exchanged and stored between web browsers and websites and how cookies affect every internet user today, whether for business or private purposes.What are cookies?
The Internet protocol family – the cornerstone for communication on the Internet – has around 500 members who work on a wide variety of layers. For example, the connectionless User Datagram Protocol (UDP) is responsible on the transport layer for the transmission of packets that were previously addressed via the Internet Protocol (IP). In this guide, you can find out exactly what distinguishes...UDP: What is the User Datagram Protocol?
Excel pivot tables can considerably ease the evaluation of data. Data analysis can be especially time-consuming and tedious with complex numerical series, but with Excel pivot, this doesn’t have to be the case. Simply place your data in the right context and filter the essential information in just a few clicks. The pivot table allows you to create expressive diagrams in no time. Find out all you...Pivot tables: using Excel to its fullest
These days dealing and engaging with foreign languages is easier, quicker, and more direct than ever. Whether you’re at work or on holiday, numerous language tools and smartphone apps can help with the translation of difficult words, sentences, and online texts. Google Translate and alternative translation websites offer comprehensive tools that easily enable us to understand other languages....Translation tools: handy Google Translate alternatives
The internet of things (IoT) is driving digital change. Smart household appliances and self-driving cars are already available. More and more everyday devices are being connected to form a comprehensive network that will eventually penetrate all areas of life. The 5G mobile communications standard will soon be implemented, which will help IoT achieve a breakthrough in the foreseeable future. Smart...The internet of things: The era of networked things
The bigger an Excel table is, the harder it is to maintain an overview. The problem is that cells like the header bar become hidden without the use of special formatting. The following article shows you how to freeze certain Excel columns and rows so they stay visible when scrolling.Freezing Rows and Columns in Excel: A Guide
Analyzing huge quantities of data can be a frustrating task. However, Microsoft’s spreadsheet program offers a range of functions that make preparing worksheets easier and more efficient. For instance, the INDEX function in Excel enables you to replicate specific cell content. This can be very useful particularly in combination with other formulas.Excel: INDEX – Data Search Made Easy
Google Chrome, Mozilla Firefox, and other browsers are the gateway to the web: But what exactly is a browser, and how does it work? Usually free, browser software assembles codes, images, and other resources for us in such a way that we are able to surf websites and make purchases in online shops. In addition to the standard elements that every browser brings with it, additional features and...What is a browser?
Whether you own an online store, run a corporate website, or write a blog, none of your web projects won’t be successful without photos or graphics. Images create visual stimuli that can enhance the content of your text and appeal to your visitors. However, it is crucial not only to find suitable graphical elements - but also to choose the appropriate graphic file format. The format needs to meet...Graphic file formats: the most important storage formats for images online