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Basic Networking Commands to Test a Network and Internet

Posted by W.K. Malith Rajaka Basic Networking Commands to Test a Network and Internet Loopback Adapter Network Networking basics

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Different components in a computer system

Posted by W.K. Malith Rajaka

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A Presentation Explaining the Functions of the Various Components in a Computer System Computer System Computing Different components in a computer system Firmware Hardware Liveware Software

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Dangerous IT Devices And Ways To Prevent

Below risks are affecting not only to your life but also for the productivity of your company. If employees have health problems, they won’t come to the job regularly. The company is responsible for its worker’s lives, so it may have to pay lots of money to protect their employees. This situation is not good for both financial and for the goodwill of the company. CRT Monitors First, we need to identify the way of CRT monitor works. Signals from your computer graphic card are loaded into three electron guns at the base of the monitor. There is one gun for each of three colors , Red, Blue and Green when these tree colors mixed together it can create all the colors you see on your screen. These guns shoot a powerful beam of electrons towards the face of the monitor. The beams pass through the deflection yoke. It uses magnetism to bend the electronic beams, so they can sweep across the entire screen and create the picture we see. By exposing to electromagnetic fields of ...

creating a cat 5 cable or rj45 cable

We should have a good idea about different cat 5 cables, methods, color codes, connectors and other tools. CAT 5 Cable CAT 5 or Category 5 cable is a twisted pair cable. It can transmit data at 10 to 100Mbps speeds and is suitable for most varieties of Ethernet over twisted pair. Cat 5 is also used to carry other signals such as telephony and video. There are shielded and unshielded Cat 5 cables. Cat 5 has a maximum length of 100m, exceeding this length without the aid of bridge or other network device could cause network issues. There is also a Category 5 Enhanced (CAT 5e) cable which can transmit data up to 1000Mbps speed. You can see that there are 4 pairs of twisted wires with different colors. There are two color standards that you have to know before create any Ethernet cable using CAT cables. They are T-568A and T-568B. T-568B White/Orange (Transmit +) Orange (Transmit -) White/Green ...

Explain Network/Data Traffic and Network Cables

Network Traffic/Data Traffic It describe amount of data or Data packets transfer through a network at a given point of time. Network traffic is the main component for network traffic measurement, network traffic control and simulation. Network traffic control:- Managing, prioritizing, controlling or reducing the network traffic Network traffic measurement:- Measuring the amount and type of traffic on a particular network Network traffic simulation:- To measure the efficiency of a communications network Traffic generation model: - It is a stochastic model of the traffic flows or data sources in a communication computer network. By analyzing data traffic you can identify security threats for the company. E.g.:- unusual data traffic can be occurred due to a malware or any other attack. Network Cables Networking cable are hardware used to connect networking devices together. Type of the cable depend on network’s physical layer, topology and network size. Also there ar...

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