Telecommunications and Network Security

The Telecommunications and Network Security domain encompasses the structures, transmission methods, transport formats, and security measures used to provide confidentiality, integrity, availability, and authentication for transmissions over private and public networks.

This domain is covered in Chapter 5. Major topics include

• The Open Systems Interconnection (OSI) Model

• Communications and network security

• Internet/intranet/extranet

• E-mail and facsimile security

• Secure voice communications

• Network attacks and countermeasures