You are helping evaluate a NAC system. Client systems should have their security postures monitored at all times, even when not connected to the network. Each request to the network will be evaluated to ensure it conforms with network policies. What kind of solution would meet these needs? Choose the best response.

a$.$

Inline and agentless NAC

b$.$

Out$-$of$-$band NAC with a dissolvable agent

c$.$

Out$-$of$-$band NAC with a persistent agent

d$.$

Inline NAC with a persistent agent