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问题 单项选择题

注册咨询工程师(投资)被注销注册后，( )。

A．不得重新注册
B．注销注册的原因消除后，可重新注册
C．两年后可重新注册
D．具有申请注册资格者可重新注册

答案

参考答案：D

单项选择题

如果DHCP服务器分配的默认网关地址是192．168．5．33／28，则主机的有效地址应该是____________。

A．192．168．5．55

B．192．168．5．47

C．192．168．5．10

D．192．168．5．32
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单项选择题

The network layer provides services to the transport layer．It can be based on either (71) ．In both cases，its main job is (72) packets from the source to the destination．
In network layer，subnets can easily become congested，increasing the delay and (73) .
for packets．Network designers attempt to avoid congestion by proper design．Techniques include (74) policy，caching，flowcontrol，and more．
The next step beyond just dealing with congestion is to actually try to achieve a promised quality of service．The methods that can be used for this include buffering at the client，traffic shaping，resource (75) ，and admission control．Approaches that have been designed for good quality of service include integrated services(including RSVP) ，differentiated services， and MPLS．

A．abandonment
B．retransmission
C．checksum
D．synchronism
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