You can not sign out of the Cerebus Network if you are connected to Xbox Live. If you absolutely do not want to sign into the network, just don't sign into Live.
Usually EA will provide a sign up form on the game itself. If no, just simply go to the EA website and sign up.
Yes. EA has set the release date as 6th March 2012 for North America and 9th for Europe
You will need to sign up to EA, if you sign up with your xbox live email account, most games will automatically sign you up for the online game.
Games owned by the publisher "Electronic Arts" typically use EA servers. Some games that use EA servers include Sim City, Mass Effect and Battlefield 3. Electronic Arts also has it's own digital distribution service known as Origin. Origin games use EA servers.
YES!
yes, creating an account on EA Online is completely free
Mass Effect is only a trilogy. Therefore there will not be a Mass Effect 4. Sorry budAnswer 2The above answer is no longer necessarily correct. Bioware has confirmed that there are still stories to be told in the Mass Effect Universe and that there will likely be a fourth game. It is unlikely though that ME4 would follow Shepard again, and it is unknown if it will take place before, during, or after the events of the main trilogy. There are however rumors that it might take place during the First Contact War.
No, you need to register a seperate EA account. It is not tied to the PSN in any way.
Maybe the servers are down.
The NCAA contract with EA expired an there not going to sign another one with them.
Yes if it has to be cheated
It should automatically do it if you are logged into your console's internet. If not you go to the main menu and on the option to the left of kick off it will say "sign into EA" just click on that.