This chapter includes questions from the following objectives:
• 5.1 Understand fundamental concepts of cryptography
• 5.2 Understand reasons and requirements for cryptography
• 5.3 Understand and support secure protocols
• 5.4 Understand Public Key Infrastructure (PKI) systems
This chapter contains a complete set of questions and answers regarding the fundamental principles of cryptography (necessary terminology, hashing, symmetric and asymmetric encryption, steganography, IPSEC) and why cryptography is used, as well as its key requirements (types of data, handling techniques, data protection). It also includes questions about secure protocol operation (basic protocol ports and operation, remote access solutions) ...