Structured Network Troubleshooting Methodology Step 3 Test the Theory to Determine the Cause
Step 1 in a structured network troubleshooting methodology is to identify the problem. Step 2 is to establish a theory of probable cause. Here we discus Step 3, to do a sanity check of your theory before taking action. More ...
Wireless Network Troubleshooting
The process of troubleshooting your network if it has wireless components is somewhat more complex than wired infrastructure. In fact you must troubleshoot both wired and wireless infrastructure to determine the problem. More ...
What is the Difference Between NAT and PAT?
NAT works by mapping a pool of public IP addresses one-to-one to the private IP addresses, keeping the port number intact. PAT uses a single public IP address and maps multiple private IP addresses to it by using different port numbers. More ...
Network Cabling Do's and Don'ts
Installing network cabling yourself can definitely be cost effective. Here are some tips for both network cabling professionals and do-it-yourselfers. More ...
To Avoid Network Downtime Perform Risk Assessment
The demand for new applications, coupled with burgeoning use of edge computing, and the need to keep the current systems operational may lead to overlooking the day to day preventative steps and infrastructure requirements. More ...
Introduction to QoS (Quality of Service)
The main concern with routing is ensuring that data packets reach their proper destinations. Quality of Service ensures that packets do not suffer from long delays or dropped packets. More ...
Data Center and Server Relocation Planning and Execution
Forecasts predict 53 percent percent of companies will move their data centers within the next few years. What's your company's blueprint for a successful data center and server relocation planning and execution? More ...
Five Free Tools Every Network Administrator Should Have
Every network administrator has their own set of tools that they like to use on a daily basis. Here's my list and why each one of these free programs are in my toolbox. More ...
How to Use a Network Cable Toner
If your facility has lots of cables in messy bundles running to a server room and you're trying to figure out where a specific network cable goes. you need to use a device called a network cable toner. More ...
Network Cabling Design
With a small network of a few work stations that is not expected to grow, you might get away with just winging the cable installation, but the installation of a serious computer network needs a plan. without a plan your network will be prone to frequent failures and will be difficult to expand. More ...
What is Structured Cabling for LANs (Local Area Networks)?
With today's high speed networks, people realize that the networking system must be broken up into shorter chunks for that reason structured wiring standard has been developed. More ...
Incredibly Bad Network Designs That Still Work
Despite some horrible network designs out there, their equipment continues to work, so well that the designer isn't aware of the abomination that is their network architecture. Here are four bad network designs. More ...
Turning Names (URLs) Into IP Addresses
People have trouble remembering long strings of numbers, so the people who invented the Internet decided to use human-readable names to identify locations. These are known as URIs,, URLs, and URNs. More ...
Structured Network Troubleshooting Methodology
following a structured troubleshooting approach not only helps prevent you from trying the same thing more than once and inadvertently skipping a task, For the Network+ exam, the methodology shown in figure 21-2 is the one you should memorize. More ...
