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Policy Enforcement Using Access Control Lists Now we’re going to look at policy enforcement

In the 1960’s and 1970’s, traditional computer communications centered around the mainframe host. The

Three Types of VPNs Let’s look now at the three types of VPNs. Access,

Layer 3: Network Layer Now let’s take a look a layer 3–the domain of

Bridges Another way is to add bridges. In order to scale our networks we

Integrity Let’s look at some of the different integrity solutions. Integrity—Network Availability One of