Chapter Four. Communications and Network Security
The Communications and Network Security domain is one of the larger CISSP domains. Individuals actively involved in the networking end of the business may consider this one of the easier domains. However, it’s advisable not to be lulled into complacency because this domain encompasses a large body of knowledge. It’s possible that many test questions may come from this domain. The following list includes some key areas from communications and network security that you need to be aware of for the CISSP exam:
OSI model
TCP/IP model
Protocols such as TCP, UDP, ICMP, and IP
Ethernet and local-area ...
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