体内过程具有明显再分布(redistribution)现象的药物是（）

Import tariffs and import quotas yield identical protection effects, consumption effects, redistribution effects, and revenue effects.

The material in this information is confidential, and any reproduction or ______ is prohibited. A: (A) redistribution B: (B) repetition C: (C) recurrence D: (D) retrospective

Which three factors have the biggest influence on OSPF scalability？（） A: Flooding paths and redundancy B: Amount of routing information in the OSPF area or routing domain C: Number of routers with Cisco Express Forwarding enabled D: Number of neighbor adjacencies E: Other routing protocols in use F: OSPF timer reconstruction negotiation G: Redistribution with BGP neighbors H: Redistribution with other IGP routing protocols， such as RIP or EIGRP

【单选题】RIP and OSPF are configured on the routers as shown in the exhibit. R2 is configured with a two-way redistribution between RIP and OSPF domains. All routers can ping each other， but R1cannot see