The default firewall setting for Ubuntu will vary system to system. One might consult the 'How to Geek' website for further instructions on how to determine one's firewall settings.
Ubuntu includes Mozilla Firefox by default. The web browser for Kubuntu is Konqueror.
Gnome.
Yes. All desktop editions of Ubuntu have a LiveCD edition. It is the default and recommended method of installing Ubuntu.
Rhythmbox is the default music player in Ubuntu 10.10. Ubuntu is classified as open source software that runs desktops, smart phones, and tablets.
No, has iptable already enable in kernel.
Ubuntu uses GNOME by default. However, a KDE version is available, named Kubuntu. It doesn't have all the bells and whistles of its GNOME counterpart
Firefox is included in Ubuntu by default. To update it, just use the update manager.
Ubuntu does not include Konqueror as standard, though it can be installed from the repositories. Its sister distribution, Kubuntu, ships Konqueror by default.
Yes. By default, Ubuntu has supported multi processing since Ubuntu 5, due to the default kernel that loads is and SMP kernel. In other words it assumes a system has multiprocessing. If of course you don't, there is no degradation in performance.
ndiswrapper is not included by default in the LiveCD, but it is available from the repositories.
start/settings/control-panel/windows firewall
Sure it can, and its the default browser of ubuntu-linux