This chapter covers the following topics that you need to master for the CCNP ISCW exam:
■ IPsec—Internet Protocol Security (IPsec) is a suite of protocols that can provide data confidentiality, data integrity, and data origin authentication to IP packets.
framework used to exchange security parameters and authentication keys between IPsec endpoints.
■ Encryption Algorithms—Mathematical algorithms (and the associated keys) used to make data unreadable to everyone except those who have the proper keying material.
■ Public Key Infrastructure—A hierarchical framework for managing the security attributes for devices that engage in secure communications across a network.
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