Seguridad del examen
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Just starting this page. When I have done some more I'll link it to the quiz menu here: https://docs.moodle.org/32/en/Quiz_settings. Please check for completeness and accuracy. --Derek Chirnside 08:52, 3 April 2013 (WST)
In Moodle, a quiz is served up by the Moodle server. If you want to have various options for security further to those in the quiz settings, these need to be implemented at the computer end.
It is not possible to lock down a browser via the internet by activity from a server. This is regarded as a bug, basically an exploitable function that could be used maliciously. What this means is that there is no way to set up remotely a "secure" browser where test takers cannot look at other Moodle and access other online material (etc) when sitting a test.
There are some options if you have students sitting assessments in a controlled environment (like the classroom) but these can be difficult and time consuming to implement, and they then take away from other flexibilities that online testing allows.
There is some advice about online testing options in the page on Practicas Eficaces en los Exámenes. These generally include planning assessments a little differently.
Built in security
Check out Administration>Plugins>Activities>Quiz
There are many posts in the forums on locking down browsers for security. A few points are summarised in the next section
Windows policies on the network
Essentially, by tweaking policies on a network you can lock a computer to only be able to access a browser, to disable Alt-Tab and to set the browser to go to only one domain (ie your test). here is a random URL: http://support.microsoft.com/kb/307882
Using a 'Safe Browser'
Tim has commented here: https://moodle.org/mod/forum/discuss.php?d=153953#p677304 There are many browser options. Two are
The home base: http://www.safeexambrowser.org/about_overview_en.html
Latest tracker activity: https://tracker.moodle.org/browse/MDL-31365