Answer:
The answer to the given question is 5-6 (trustworthy).
Explanation:
When visits any web site there are several information is given, We click on it shows some pop-up box. it is smaller than the whole windows. for example, If we want to download any free software. So we go on a software site and choose the version for software and click for download. when we click on download there is a pop-up window open to provide the details of the software and has a one-button when we click on the button it downloads the software. If we cancel the pop-up window by click on the cancel /close (X) button it will close the window.
So the pop-up windows are very trustworthy.