Tagged Questions

A computer network allows sharing of resources and information among interconnected devices which use a common hierarchy of protocols to communicate.

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Sending Block Ack in 802.11

i am testing for 802.11 traffic in a lab environment with 3 clients. Those 3 clients(2 Wndows + 1 MAC) are attached to an access point. Access point is pushing UDP traffic to these 3 clients. And in ...
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How to correlate devices in Apple Airport Utility and iStumbler?

I've got three airports (one Extreme, two different vintages of Express) joined in an extended wireless network. I can see the devices in iStumbler, but how do I tell which is which? Airport Utility ...
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Internet Connection Sharing through command line in windows 7 [on hold]

I am beginner in C#.I am trying to develop an application for internet sharing. Internet sharing can be done in windows through its own gui, but I want to know how to do it throught command prompt.I ...
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1answer
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Implementing a java server and andoid client?

I am building an android app that is supposed to be able to send and receive data to and from a server. I think implementing the server in java would be the best option at least for now, but I am open ...
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1answer
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Connect to server in iOS didRecieveAuthenticationChallenge not called?

I am trying to connect to a server in an iOS app. Here is my code: - (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge{ ...
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linux raw socket, recv packet not belong to my netdevice

A router have 60 tun devices, each configured with a valid ipv4 address, and 60 raw socket based on these devices respectively. And these socket all join a muticast group. And there are another device ...
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1answer
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Microsoft Certification for Networking & SQL Server

I am new to Microsoft certification and i am interested in networking and data base i would like to know the path of the exams (which exam should i do first) Currently i am doing CCNA thanks
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Build OhNet for Android [on hold]

I am thinking about using OhNet in our project. The website says that it is supported on Android, but there are no builds available on the website. Also I stumbled across to forum threads (1), (2), ...
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1answer
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(Android) File download normally on one host, but 'completed immediately' on another

I'm in a hurry so I'll make this short. If needed, I'll provide more info when I get back to my PC. I'm creating a download/upload speed test app for Android. Here's some of the code: InetAddress ...
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1answer
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Collectd server not writing down received client data

I have pretty strange problem with Collectd. I'm not new to Collectd, was using it for a long time on CentOS based boxes, but now we have Ubuntu TLS 12.04 boxes, and I have really strange issue. So, ...
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sending email programmatically using google smtp

Good day SO people! I am trying to send an email through java code by using the gmail smtp server for quite some time now and I'm still unlucky to get success. I tried to execute the codes from this ...
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why is it impossible to ping a class C IP address from a class B address?

let's say: Network A has subnetmask 255.255.255.0 and network B 255.255.0.0 . Isn't network A included in network B ? The only thing standing between both networks is an ethernet switch. However, ...
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Using Pybrain to Create an Output

I recently started using pybrain and I was testing it out using the code seen below. I received a number when i printed trainer.train() and my question is how i can turn that into a program that when ...
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How to get custom domain names to work with “php_network_getaddresses”

My domain is set in the windows "hosts" file and it is named like "my.site". I'm using it for development. But this doesn't seem to work with the fsockopen() open function. I get ...
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1answer
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TCP ACK response taking 10ms delay

I am writing a client application that should receive files from a server. The communication uses a quite simple proprietary protocol designed over TCP: the server sends a chunk of 16KB of data, waits ...

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