A. All members of the group and the multicast sources that send multicast data to the group converge to the unique RP

B. The initial multicast streams for all groups in the shared tree are forwarded to the receiver via RP

C. RPs can be responsible for the forwarding of several or all multicast groups, and there can be an RP in the network

D. An RP can serve multiple multicast groups at the same time, a multicast group can correspond to multiple RPs

A. In the routing table, the routing table entries identified by the OSPF identifier can only be learned through the 3 types of LSAs to

B. In the routing table, Route table entries identified with the "O_ASE identifier can only be learned through routing introduction

C. In the routing table, the routing table entries identified with the 'OSPF identifier' can be learned through the 1/2/3/5 LSA to

D. In the routing table, used The 'OSPF' identifier identifies a route table entry that can only pass a Type 1 LSA

A. ESP + tunnel mode

B. AH + tunnel mode

C. AH + transmission mode

D. None of the above options are correct

A. OSPF, ISIS, and BGP can issue default routes.

B. IBGP routes can be introduced using the impot-route BGP command

C. AS-path-fiter is for AS-path, which affects the routing of paths.

D. In Node 10, if-match community-fiter1 and f-match as-pah-fiter1 are "and the relationship

A. When the flow exceeds the minimum threshold, WRED begins to discard all inlet flow (tail drop)

B. Avoid global synchronization by selectively dropping multiple TCP streams

C. WRED can set different drop thresholds and packet loss rates for packets of different priority

D. Low-bandwidth traffic is easier to drop than high-bandwidth traffic