CCNP Security
Practice Test 1 — Security Concepts
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Security Concepts
Which combination correctly describes how a production IPsec VPN protects traffic?
A
ESP in transport mode, which is required for site-to-site VPNs
B
ESP in tunnel mode, which encrypts the original IP packet and adds a new header
C
AH in tunnel mode, which encrypts the original IP packet
D
AH in transport mode, which provides confidentiality between gateways
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