Systems Security Certified Practitioner – SSCP – Question0849

Which of the following are suitable protocols for securing VPN connections at the lower layers of the OSI model?

A. S/MIME and SSH
B. TLS and SSL
C. IPsec and L2TP
D. PKCS#10 and X.509

Correct Answer: C

Explanation:

Reference: HARRIS, Shon, All-In-One CISSP Certification Exam Guide, 2001, McGraw-Hill/Osborne, page 467; SMITH, Richard E., Internet Cryptography, 1997, Addison-Wesley Pub Co.