[Qt-interest] Regarding QNetworkAccessManager

[Patric]

Hello all, 
I was reading about the QT Network module, and I'm a little bit curious about QNetworkAccessManager and the related classes. 
I know that if I want a streamlike connection, I use QTcpServer/Socket. On the other side I can use QUdpServer/Socket if I just want to send few not urgent messages somewhere. 

As far as I understand, QNetworkAccessManager, QNetworkReply and QNetworkRequest are high-level API which sends request... but what is inside ? What is it using, TCP, UDP ? 

"Once a QNetworkAccessManager object has been created, the application can use it to send requests over the network."
I can send requests with QTCPSocket and QUDPSocket. 


Thank you
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