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CCNA Security: Storage Area Network SAN
Question 1
Which two primary port authentication protocols are used with VSANs? (Choose two.)
A. ESP
B. CHAP
C. DHCHAP
D. SPAP
Answer: B C
Explanation
Two primary port authentication protocols when working with VSANs:
+ Challenge Handshake Authentication Protocol (CHAP): CHAP is the mandatory protocol for iSCCI, as chosen by the Internet Engineering Task Force (IETF). CHAP is based on shared secrets.
+ Diffie-Hellman Challenge Handshake Authentication Protocol (DHCHAP): DHCHAP may be used to authenticate devices connecting to a Fibre Channel switch. By using Fibre Channel authentication, you allow only trusted devices to be added to a fabric. This prevents unauthorized devices from accessing the Fibre Channel switch.
Which two primary port authentication protocols are used with VSANs? (Choose two.)
A. ESP
B. CHAP
C. DHCHAP
D. SPAP
Answer: B C
Explanation
Two primary port authentication protocols when working with VSANs:
+ Challenge Handshake Authentication Protocol (CHAP): CHAP is the mandatory protocol for iSCCI, as chosen by the Internet Engineering Task Force (IETF). CHAP is based on shared secrets.
+ Diffie-Hellman Challenge Handshake Authentication Protocol (DHCHAP): DHCHAP may be used to authenticate devices connecting to a Fibre Channel switch. By using Fibre Channel authentication, you allow only trusted devices to be added to a fabric. This prevents unauthorized devices from accessing the Fibre Channel switch.