多项选择题
A. RTA will forward RP announcements provided they are within the scope of 31.
B. RTA will originate RP announcements with TTL s et to 31.
C. RTA will originate RP announcements for multicast groups that match access - list 5.
D. RTA will drop all RP announcements it receives if the TTL field is greater than 31.
单项选择题 Route redistribution (RR) has become an integral part of IP network design as the res ult of a growing need for disseminating certain routes across routing protocol boundaries. By default, which description is true when redistributing routes from other routing protocols into OSPF?（）
多项选择题 Which two routing protocols require a metric to be configured when redistributing routes from other protocols?（）
单项选择题 Refer to the exhibit. Routers R1 and R2 have been configured to operate with OSPF. Routers R1 and R3 have been configured to operate with RIP. After configuring the redistribution between OSPF a nd RIP on R1, no OSPF routes are distributed into RIP. What should be done to correct this problem? （）