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If two communicating entities are in dif
If two communicating entities are in dif
admin
2022-08-02
45
问题
If two communicating entities are in different hosts connected by a network,there is a risk that PDUs will not arrive in the order in which they were sent,because they may traverse( )paths through the network.If each PDUs is given a unique number,and numbers are assigned( ),then it is a logically simple task for the receiving entity to reorder( )PDUs on the basis of sequence number.A problem with this scheme is that,with a( )sequence number field,sequence number will repeat.Evidently,the maximum sequence number must be( )than the maximum number of PDUs that could be outstanding at any time.问题1选项A.sameB.differentC.singleD.unique问题2选项A.randomlyB.equallyC.uniformlyD.sequentially问题3选项A.receivedB.sentC.transmittingD.forwarding问题4选项A.variousB.diverseC.finiteD.infinite问题5选项A.smallerB.greaterC.lessD.more
选项
答案
BDACB
解析
如果两个通信实体位于通过网络连接的不同主机中,会有一个PDU不会按照发送顺序到达的风险, 因为他们可能通过网络穿过____路径。如果每个PDU被赋予唯一的号码,并且数字被____分配,那么接收实体在序列号的基础上重新排序随机____PDU是一个逻辑上简单的任务。该方案的一个问题是,使用____序列号字段,序列号将重复。显然,PDUs最大序列号必须比____PDUs最大数量才会在任何时候展示出卓越。
A. same(相同的) B. different(不同的) C. single(单一的) D. unique(唯一的)
A. randomly(随机地) B. equally(公正地) C. uniformly (相同地)D. sequentially(继续地)
A. received(收到) B. sent(发送) C. transmitting(传播) D. forwarding (促进)
A. various(各种各样的) B diverse(不同的) C. finite(有限的) D. infinite(无限的)
A.smaller(更小) B. greater(更大) C. less(更少) D. more(更多)
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本试题收录于:
中级 网络工程师题库软件水平考试初中高级分类
中级 网络工程师
软件水平考试初中高级
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