In this section we are going to cover some security concepts that you should be familiar with for the
CCN a cyber ops exam defense in depth is the concept of having multiple layers of security protection.
For example if your network firewall is mis configured or fails then and points local firewall could
be used as a backup defense method.
To identify how and where to implement the strategy.
You can use what's called an onion diagram an onion diagram helps to organize the different layers of
a network identify risks and decide where to implement security policies.