Articles That Might Interest:

Cisco Switches

Discover Features & Capabilities - Cisco Catalyst…

There’s a new switch around the block and its name is Catalyst 3850 – Cisco’s latest addition to its successful Catalyst series switches. The Cisco Catalyst 3850 is no ordinary switch – it’s fully st…

Windows Servers

How to Easily Change Network Card Profile / Netwo…

Network Location Awareness (NLA) is a feature offered on Windows Server 2012 R2 and all Windows workstation editions from Windows 8.1 and above, including Windows 10. When connecting to a network (LA…

Windows Servers

How to Install Windows Server 2012 from USB Flash…

Most would remember the days we had to have a CDROM or DVDROM in order to proceed with the installation of an operating system. Today, it is very common installing an operating system direct from an…

Virtualization & VM Backup

World Backup Day with Free Amazon Voucher and Pri…

Celebrate World Backup Day and WIN with Altaro! We all remember how grateful we were to have backup software when facing so many data loss mishaps and near-catastrophes. If you manage your compa…

OpManager - Network Monitoring & Management

Network Management Systems Help Businesses Accura…

Accurately monitoring your organization’s business application performance, service provider SLA breaches, network infrastructure traffic, bandwidth availability, Wi-Fi capacity, packet loss, delay…

The OSI Model

Data Encapsulation & Decapsulation in the OSI Mod…

Here we are going to explain in detail how data travels through the OSI model. You must keep in mind that the OSI model is a guideline. It tells the computer what it's supposed to do when data needs…

Network Address Translation - NAT

Static NAT - Part 2

The previous page (Static NAT - Part 1) helped us understand what exactly happens with Static NAT and how it works, and we saw a few examples of how to use it in various network configurations. This…

Network Fundamentals

LAN Network Topologies

Network topologies can take a bit of time to understand when you're all new to this kind of cool stuff, but it's very important to fully understand them as they are key elements to understanding and…

Network Protocols

Introduction To The ISDN Protocol

ISDN (Integrated Services Digital Network) is a digital telephone standard designed to replace analogue connections by utilising ordinary copper wires that are used in standard analogue telephone sys…

Network Fundamentals

Next-Gen Firewalls & Topologies. Designing & Buil…

Next-generation firewalls (NGFWs) and DMZ zones are two critical components of network security that work hand in hand to protect an organization's network from external threats. Firewalls act as a b…

Ethernet Protocol, CSMA/CD, Collisions

Propagation Delay

You may know that the minimum frame size in an Ethernet network is 64 bytes or 512 bits, including the 32 bit CRC. You may also know that the maximum length of an Ethernet cable segment is 500 meters…

Domain Name System (DNS)

The DNS Protocol - Part 3: DNS Query Message Form…

This section will deal with the analysis of the DNS packets by examining how DNS messages are formatted and the options and variables they contain. To fully understand a protocol, you must understand…