Please match the Cisco NAC appliance component to its description.()<br /> (1)Cisco NAS<br /> (2)Cisco NAA<br /> (3)Rule-set Lpdates<br /> (4)Cisco NAM<br /> (a) a centralized management point<br /> (b) an in-band cr out-of-band device for network access control<br /> (c) a Windows-based client which allows network access based on the tasks running<br /> (d) a status crecker for operating systems,antivirus,antispyware,etc.
A、(a)-(4);(b)-(1);(c)-(2);(d)-(3)
B、(a)-(3);(b)-(2);(c)-(4);(d)-(1)
C、(a)-(4);(b)-(3);(c)-(1);(d)-(2)
D、(a)-(2);(b)-(4);(c)-(3);(d)-(1)