简述教育信息化的内容。
残积矿床
Which two are characteristics of RSVP?（） RSVP itself provides bandwidth and delay guarantees.。 For RSVP to be end-to-end, all devices must support RSVP.。 RSVP reservations are maintained by a centralized reservations server.。 An RSVP compatible QoS mechanism must be used to implement guarantees according to RSVP reservations.。
Acme Costume Company is connecting its manufacturing facilties to its stores with a small point-to-multipoint Frame Relay IP WAN. Little growth is expected in the network infrastructure.Up tothis point the company has been using a dial-on-demand network. Dropping WAN costs， however，have led them to consider using a high-speed WAN solution to improve access. Which two routingprotocols could you deploy to support the new larger network while keeping costs down？（） RIP。 RIPv2。 EIGRP。 OSPF。
下列属于共产党员标准的是（） ①共产党员是工人阶级的有共产主义觉悟的先锋战士； ②共产党员要为实现共产主义奋斗终身； ③共产党员必须全心全意为人民服务 ④共产党员永远是劳动人民的普通一员。 ①。 ②③。 ②③④。 ①②③④。
在Cisco路由器上创建主机表时为何使用iphost命令？（）
