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A．不完全存根区域B．标准区域C．主干区域D．存根区域

A. 不完全存根区域
B. 标准区域
C. 主干区域
D. 存根区域

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Routing．protocols use different techniques for assigning【S1】to individual networks．Further，each routing protocol forms a metric aggregation in a different．way．Most routing protocolscan use muh．iple paths if the paths have an equal【S2】．Some routing protocols can evenuse multiple paths when paths have an unequal cost．In either ease，load【S3】can improveoverall allocation of network bandwidth．When mulliple paths are used.there are several ways to distribute the packets．The two most common mechanisms are per—packet load balancing and per—destination load balancing．Per—packet load balancing distributes the【S4】across the possi-ble routes in a manner proportional to the route metrics．Per-destination load balancing distributes packets across the possible routes based on【S5】．
【S1】

A. calls
B. metrics
C. 1inks
D. destinations

A．xinetd是网络服务的守护进程B．xinetd是定时任务的守护进程C．xinetd进程负责配置网络接口D．

A. xinetd是网络服务的守护进程
B. xinetd是定时任务的守护进程
C. xinetd进程负责配置网络接口
D. xinetd进程负责启动网卡

听力原文：W: Do you think Bob will help us？
M: Sure, he is a kind person.
Q: What does the man think about Bob？
(5)

A. Bob is serious.
Bob can't help them.
C. Bob will help them.
D. Bob wants help from others.

A．DNS解析错误B．TCP／IP协议安装错误C．不能正常连接到网关D．DHCP服务器工作不正常

A. DNS解析错误
B. TCP／IP协议安装错误
C. 不能正常连接到网关
DHCP服务器工作不正常