Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day.
IIS is able to impersonate the IUSR_<computername> account because the user name and password for this account are known by IIS. Before returning a page to the client, IIS checks NTFS file and directory permissions to see if the IUSR_<computername> account is allowed access to the file.
The CCR document is used to allow timely and focused transmission of information to other health professionals involved in the patient's care. The CCR aims to increase the role of the patient in managing their health and reduce error while improving continuity of patient care. The CCR standard is a patient health summary standard.