Ping test is a very basic operation of network administrators or IT products programmers. It is helpful when you need to launch a network test or troubleshoot for your network.

Experienced administrators can insight into the situations of the network by ping test. There are several ways that can launch a ping test:

The first way I want to introduce is by DOS command:

Windows, UNIX and linux all provide this command.

Take Windows as an example.

• Search “run” in the start list, Input “cmd” and click “OK”.
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• Input command “ping +IP address” and press Enter.

Tips: If it does not recognize the “ping” command, you may need to add   “\c:\windows\system32″ in system variables (in advanced system setting and edit the value of “path”).

The second way to launch ping test is using some professional tool like IP-MAC scanner. It is 10 times more convenient and professional than others. You can download from here.

• Firstly, it takes you within 1 minute to download and install it into your computer.
• Open it, choose database (you can add any IP or MAC addresses from scan list) and tick the IP you want to ping.
• Finally click “ping” button.
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IP-MAC sanner is a tool that can be your assistant to help you to manage all the IP in your network. More information in our website:http://www.athtek.com/index.htm.

[PDF] Through the filter which can change the scope of capturing packet data, we can capture only the specific packets we need. So users should focus on the data which causes a network failure or comes from network attacks, rather than analyze all the large amounts of data. In terms of capturing packets AthTek NetWalk is one of the most professional tool which provide filer completely thus reducing workload and improving efficiency.

This Tutorial is based on AthTek NetWalk Enterprise Edition.

The next steps are significant.

• First run AthTek NetWalk and click “Captures”
• Before you starting to capture package，you need to choose the filter which was created in the past. Actually, AthTek NetWalk had preset some filters already.
• If you need to create your special filter, what you should be clear is the mean it works. AthTek NetWalk can filter the data mainly by IP addresses, Ports and protocols and if you want to know more details about further settings, please read the following tutorials.
• Click “and” button and choose “Address Rules” in the drop-down menu you can specify IP address and the direction of transfer. Here we assume that address 1 is 192.168.1.1, address 2 is arbitrary and both directions for example.
• You can also choose Port rules and protocol rules and specify them to meet your demand.
• When you have finished your filter, you can go back to the first step and click “Captures”!

Tips: If you are facing with problems much more complex than the situation that I took for example, you need to read my next article for more details about the combination of different simple filters.

Flowchart contains many different symbols which stand for different states. A well-designed flowchart will greatly help in program learning and technical documenting. In the following article, I will show you how to write an efficient flowchart for C programming. There would be different situations: writing an efficient flowchart when you have a C project or not.

A. write an efficient flowchart for existing C project.
Sometimes you have a C project, but for some reason you haven’t got the flowchart to it. It will be an impossible mission to read and rewrite the algorithms into a flowchart. It will take quite a long time and energy but we still could hardly to get the exact flowchart to the C project. Here we should use a Code to Flowchart Converter in this task. The only thing we need to do is to import the C project to this software and the flowchart will immediately created in the board. The flowchart can be exported as MS Word, VISIO, XML, Bitmap and SVG formats. Definitely, we can print out the flowchart directly with a printer.

B. write an efficient flowchart for the following C programming task.
Usually we start to programming with a flowchart. If it is an efficient flowchart, that will definitely make programming less work. Maybe you use to write the flowchart with the help of flowchart makers. But I will introduce a technical flowchart software to you – AthTek Flowchart to Code. It doesn’t like any other flowchart makers which can write flowcharts for any industry. AthTek Flowchart to Code concentrates on writing flowcharts for programming. It can easily write an efficient flowchart for C programming all by clicks. The flowchart will strictly follow the programming rules and structures. What’s more, we can even use this software to generate source code directly by the flowchart. It supports C, C++, C#, Java, JavaScript and Delphi.
If you have any question or suggestion about this article, please leave your comment below.

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