Which of the following is true for untrusted applets running on most browsers?
Choice 1
Applet frames display a warning.
Choice 2
Applets can connect to computers other than the codebase.
Choice 3
Applets can change the ClassLoader.
Choice 4
Applets can read to or write from files in the "/tmp" or "c: mp" directory.
Choice 5
Applets can retrieve the user's account name.