The chapter also provides coverage of common WLAN attacks and mitigation techniques.
Chapter 13, "Network Admission Control (NAC)" provides details of Cisco Self-Defending Network (SDN)
solution using the Cisco Network Admission Control (NAC) appliance-based and framework-based
solutions. The chapter covers implementing the Cisco NAC appliance solution as well as the NAC-L3-IP,
NAC-L2-IP, and NAC-L2-802.1x solutions.
Part III, "Data Privacy": When information must be protected from eavesdropping, the capability to provide
authenticated, confidential communication on demand is crucial. Employing security services at the network
layer provides the best of both worlds. VPN solutions can secure communications using confidentiality, integrity,
and authentication protocols between devices located anywhere on an untrusted or public network, particularly
the Internet. Part III includes the following chapters:
Chapter 14, "Cryptography," lays the foundation of data privacy and how to secure communication using
crypto methodology and cryptographic solutions. The chapter gives a basic overview of various
cryptographic algorithms, including hash algorithms, symmetric key, and asymmetric key algorithms.
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