题目内容

如图1所示，某园区网用2.5Gbit/s的POS技术与Internet相连，POS接口的帧格式是SONET。路由协议的选择方案是：园区网内部采用OSPF动态路由协议，园区网与Internet的连接使用静态路由。
问题：
请阅读以下R3和R4的部分配置信息，并补充(6)到(10)空白处的配置命令或参数，按题目要求完成路由器的配置。
R3的POS接口、OSPF和缺省路由的配置信息
Router-R3configure terminal
Router-R3(config)
Router-R3(config)interface pos3/0
Router-R3(config-if)description To Internet
Router-R3(config-if)bandwidth 2500000
Router-R3(config-if)ip address 195.19.78.5 255.255.255.252
Router-R3(config-if) (6) 32
Router-R3(config-if)pos framing sonet
Router-R3(config-if)no ip directed-broadcast
Router-R3(config-if)pos flag (7)
Router-R3(config-if)no shutdown
Router-R3(config-if)exit
Router-R3(config)router ospf 65
Router-R3(config-router)network 222.98.66.128 (8) area 0
Router-R3(config-router)redistribute connected metric-type 1 subnets
Router-R3(config-router)area 0 range 222.98.66.128 (9)
Router-R3(config-router)exit
Router-R3(config)ip route 0.0.0.0.0.0.0.0 195.19.78.6
Router-R3(config)exit
Router-R3
R4的静态路由配置信息
Router-R4configure terminal
Router-R4(config)ip route 222.98.66.128 (10)

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Section D
听力原文： I am sorry for the disruption to your journey today. Your flight is BA0059 to Cape Town on 27th August. When flying over Morocco, your aircraft diverted to Barcelona with a medical emergency. Consequently the cabin crew are legally out of flying hours to continue on to Cape Town. The service has therefore returned to Heathrow to allow for a change of crew.
Your new departure time will be 6 : 00 p.m. on 28th August, arriving in Cape Town at 6:40 a.m. on 29th August.
We have arranged accommodation for you at the Renaissance Hotel. Breakfast, lunch and a three-minute telephone call will also be provided for you.
We suggest that you take your hold luggage with you when you go to the hotel. For your transport to the hotel, you will need to make your way to bus stop 15. This is located outside the main Terminal building.
Transport back to Heathrow Terminal 4 has been arranged for 2:15 p.m. Please ensure you and your personal items are ready in the hotel lobby.
Check-in will be available on Zone A from 3: 00 p.m. Passengers travelling in First or Club World may check-in at Zone D or the First check-in zone immediately adjacent.
I don't underestimate the inconvenience and frustration you have been caused. I can assure you we are doing our best to make your wait as comfortable and brief as possible. Thank you very much for your understanding.
BA0059 to Cape Town
Be out of flying hours and make an arrangement
BA0059 to Cape Town might be【21】for a medical emergency.
Arrive in Cape Town at 6:40 am【22】.
Arrange【23】for you at the Renaissance Hotel. Breakfast, lunch and a【24】will be provided.
When you go to the hotel, you take【25】and make you way to【26】.
Please ensure you and your personal items are ready【27】.
Check-in will be【28】on Zone A from 3:00pm. Passengers travelling in First or Club World may check-in at【29】or the First check-in zone immediately
【30】.
Thank you very much for your understanding!
(16)

In the author’s opinion, the quality of service is changing because more consideration is

引出“乌台诗案”的人是欧阳修。()

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