多选题Which three security concerns can be addressed by a tunnel mode IPSec VPN secured by AH?（）(Choose three.)Adata integrityBdata confidentialityCdata authenticationDouter IP header confidentialityEouter IP header authentication
多选题
Which three security concerns can be addressed by a tunnel mode IPSec VPN secured by AH?（）(Choose three.)
A
data integrity
B
data confidentiality
C
data authentication
D
outer IP header confidentiality
E
outer IP header authentication
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