Which command configures IKEv2 symmetric identity authentication?
A.
match identity remote address 0.0.0.0
B.
authentication local pre-share
C.
authentication pre-share
D.
authentication remote rsa-sig
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A – looks like wildcard key
“An IKEv2 key ring is a repository of symmetric and asymmetric preshared keys” – http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_conn_ike2vpn/configuration/xe-3s/sec-flex-vpn-xe-3s-book/sec-cfg-ikev2-flex.html
The term symmetric / assymetric seems to apply to whether or not the keys are exact copies or mirrors of each other on either side.
Further clarification about how using an assymetric encryption like RSA can be symmetric in terms of key ring definition.
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Seems like it’s C to me because C is the equivalent of issuing commands B and D. A just matches a peer but does not configure identity authentication.
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