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Some of the different kinds of things that an Intrusion Detection System or IDS

Layers 5– 7: Session, Presentation, and Application Layers Let’s look at the upper layers

Network Layer Protocol Operations Let’s take a look at the flow of packets through

Layers 1 & 2: Physical & Data Link Layers Now let’s take a look

X.25 Devices X.25 networks implement the internationally accepted ITU-T standard governing the operation of

Station access to a Token Ring is deterministic; a station can transmit only when