Structured Network Troubleshooting Methodology Step 5 Implement the Solution or Escalate as Necessary
Step 3 in a structured network troubleshooting methodology is to Test the Theory to Determine the Cause. Step 4, is to Establish a Plan of Action to Resolve the Problem and Identify Potential Effects. Here we discus Step 5, Implement the Solution or Escalate as Necessary. More ...
How Snort's Stealth TCP Port Scanning Works
Snort is an open source network intrusion detection system, capable of performing real-time traffic analysis and packet logging on IP networks. It can perform protocol analysis, content searching and matching, and can be used to detect a variety of attacks and probes. More ...
Network Address Translation (NAT) Protocol
NAT is a protocol that is used by a router to convert IP addresses on the internal private network to the it's own public IP address for the Internet. If NAT were not used each computer on the internal private network would be visible to the Internet. More ...
Putting Your SME Data on the Internet
It can be important to allow content on your network out onto the Internet. There are two basic mechanisms to do this. 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 ...
Network Installation
The installation of a new network can be divided into three phases. Design, implementation, and troubleshooting. The first and most important phase in a new network installation process is the design phase. More ...
How to Transition into a Career as a DevOps Engineer
Whether you're a recent college graduate or a seasoned IT pro looking to advance your career, these tips can help you get hired as a DevOps engineer. More ...
Questions to Ask Before Beginning Network Design
Before beginnig to design your network, you need to ask, and have answered, several key questions: Will you allow your PC(s) to access Internet services. Will you allow other users to access services that you provide from your private network. More ...
Troubleshoot Network With a Syslog Server
Most network devices, like switches and routers, are capable of generating a log of events, called a syslog. It can be difficult to sift through the volume of logged messages therefore several company's have created utilities called syslog servers to search, sort and group messages and provide other useful features. More ...
Everything You Need To Know About LAN Backbone Cabling
In many cases, backbone cabling is between wiring closets on the same floor of a building, but it may be the floor to floor wiring in a multi-floor building, or between buildings on a campus. More ...
Creating a Backup Plan
Imagine a large corporation with millions of dollars of data stored on their network. A fire causes massive data loss. How much work would be required to re-create the lost data? Without backups, the company may not survive the disaster. More ...
How to Connect a Wireless Router
You will be required to configure the SSID of the wireless router. Your router will have a default SSID, but you should change it to a name that you remember. More ...
The Case for Making the Transition from Sysadmin to DevOps Engineer
DevOps combines software development and IT operations in order to shorten the systems development life cycle. There's a learning curve, and there's no time like now to get started. 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 ...
