A network engineer configures BGP between R1 and R2. Both routers use BGP peer group CORP and are set up to use MD5 authentication. This message is logged to the console of router R1: *Jun 5 33:34:33.033: %TCP-6-BADAUTH: Invalid MD5 digest from 10.10.10.1 (29832) to 10.120.10.1 (179) tableid -0 Which two configurations allow a peering session to form between R1 and R2? (Choose two)

【多选题】
A R2(config-router)#neighbor 10.10.10.1 peer-group CORP R2(config-router)#neighbor CORP password Cisco
B R2(config-router)#neighbor 10.10.10.1 peer-group CORP R2(Config-router)#neighbor PEER password Cisco
C R1(config-router)#neighbor 10.10.10.1 peer-group CORP R1(config-router)#neighbor CORP password Cisco
D R1(config-router)#neighbor 10.120.10.1 peer-group CORP R1(config-router)#neighbor CORP password Cisco
E R2(config-router)#neighbor 10.120.10.1 peer-group CORP R2(config-router)#neighbor CORP password Cisco

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