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问题 多项选择题

下列关于期货交易所会员的表述中，正确的有（）。

A．经纪公司会员只能接受客户委托

B．非经纪公司会员只能从事自营

C．出市代表只能接受本会员单位的交易指令

D．所有会员必须委派出市代表进交易大厅进行期货交易

答案

参考答案：A, B, C, D

单项选择题

The metric assigned to each network depends on the type of protocol. Some simple protocol, like RIP, treats each network as equals. The（1）of passing through each network is the same; it is one（2）count. So if a packet passes through 10 network to reach the destination, the total cost is 10 hop counts. Other protocols, such as OSPF, allow the administrator to assign a cost for passing through a network based on the type of service required.A（3）through a network can have different costs (metrics). For example, if maximum（4）is the desired type of service, a satellite link has a lower metric than a fiber-optic line. On the other hand, if minimum（5）is the desired type of service, a fiber-optic line has a lower metric than a satellite line. OSPF allow each router to have several routing table based on the required type of service.

2（）

A．flow

B．hop

C．process

D．route
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判断题

喝生水（未煮沸的自来水）可能会得传染病。
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