Domain 4: Communication and Network Security

CISSP · this domain is approximately 13.0% of the exam · 0 practice questions.

Communication and Network Security covers the design and protection of network infrastructure, protocols, and communications channels that organizations rely on for business operations. The CISSP exam tests knowledge of network architectures, OSI and TCP/IP models, secure communication protocols (TLS, IPsec, SSH), wireless security standards, and network attacks such as denial-of-service, man-in-the-middle, and session hijacking, described at a conceptual level. Candidates must understand how to apply defense-in-depth principles to network design and how to evaluate the security implications of different connectivity and protocol choices.

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