From the main Enterprise Manager Cloud Control 12c console menu, go to Targets | Hosts. This brings up a list of hosts. When you select the host you want, it brings up the host's home page as shown in the following screenshot:
Right on the host's home page itself, there is a Configuration section, which shows certain basic information collected about the host. This includes IP Address, Operating System version, CPU Cores, File System size, Memory Size, and so on.
Under the Compliance Standard Summary section on the same page, it also tells you if there are any security or compliance violations for this Target.
Note that some ...