Communication and Network Security – Fourth CISSP Objective

The fourth CISSP objective is divided further into 3 sub objectives and makes up 14% of the exam questions in CISSP.

1. You should be able to design a secure network architecture using network segmentation techniques, converged protocols, internet protocol, non-internet protocols and TCP/IP models. Software-defined-network SDN, wireless networking and using cryptography to communicate is also covered under this objective.
2. Securing components, including physical facilities, hardwares, servers, server rooms, data center, modems, switches, wireless access points, routers, fiber optics, wired/wireless media and mobile devices are part of it. You should also be able to apply network access control devices e.g., firewalls, IPS, IDS, proxies and end-point security techniques.
3. The third and last objective of Communication and Network Security requires you to build secure channel communications including data and voice or any other multi-media technologies.