In which of the security mechanism does the file containing data of the users/user groups have inbuilt security?

There are different aspect of  security mechanism. The security mechanism that one does find the file containing data of the users/user groups have inbuilt security is that  the section access with in the qlikview script".

There are different mechanisms that is often used to secure the Web.  This is made of the mechanisms that is often used to apply security and they includes virtual private networks (VPNs), encryption, firewalls, routing filters, etc.

Note that a security mechanism in QlikView is often set up in two distinct ways or means, This can be done by building it into the QlikView document script, or by setting it up via the use of QlikView Publisher.

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The answer is "It uses the section access with in the qlikview script".

Explanation:

QlikView is now QlikSense, it comes with section access, that protects against this danger. It a way of determining, which can display certain details, it is also known as objects, that can be displayed by whom and out of which domain, etc.