Regarding the certification of the ISIS protocol, there is a correct statement
A. After configuring zone authentication, the router issues an IIH, SNP, LSP-strap-to-tape authentication TLV
B. After configuring the connection authentication, the IIH issued by the router must carry the authentication TLV
C. The two routers are configured for area authentication and interface authentication, and the passwords are the same, so the two can establish an isocopied relationship
D. Connection authentication can realize the authentication of the hello messages of Leve-1 and Leve-2
Answer:B
Regarding the certification of the ISIS protocol, there is a correct statement
A. After configuring zone authentication, the router issues an IIH, SNP, LSP-strap-to-tape authentication TLV B. After configuring the connection authentication, the IIH issued by the router must carry the authentication TLV C. The two routers are configured for area authentication and interface authentication, and the passwords are the same, so the two can establish an isocopied relationship D. Connection authentication can realize the authentication of the hello messages of Leve-1 and Leve-2