Select "Show answered only" and you see the answered Qs but when you try to go to the next page it loses the value and shows unanswered too. I want to look through the answered questions to learn =(
Hacking the URL is hasslesome -_
Yes, there are plenty of glitches with the forum software. Unfortunately the version being used is out of date and unsupported so no changes are going to get made to try and enhance it, but the team at Oracle are looking to replace it with a new up-to-date version... that's something in progress at the moment... though when it will actually happen I don't know.