单项选择题

POP3协议采用(38)模式，当客户机需要服务时，客户端软件或FoxMail与POP3服务器建立(39)连接。(Outlook Express FoxMail)与POP3
Server

A.Browser/Server
B.Client/Server
C.PeertoPeer
D.Peerto
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单项选择题
下图为某系统集成项目的网络工程计划图，从图可知项目最短工期为(69)天，至少需要投入(70)人才能完成该项目(假设每个技术人员均能胜任每项工作)。A.5B.7C.8D.10
A.shangxuebA.cn/images/ct_crmntsz_crmntschoosecnz2_00219(20094).jpg'>
A.5
B.7
C.8
D.10
单项选择题
Serialization delay and(71)delay are the two components of network delay that are improved by increasing bandwidth. Serialization delay, i.E.the amount of time it takes to put the(72)on the wire, and queuing delay(depth of the queue)are improved by increasing the(73)from a 128Kbps circuit to a THowever, three other components of delay, routing switching deiay, distance delay, and protocol delay are components that can not be positively affected by an(74)in bandwidth. If the circuits are not over-utilized, then increasing the bandwidth to improve the(75)of the application will only result in an increased bandwidth with no positive effects on performancE.A.bufferingB.queuingC.receivingD.timing
A.E.
B.
A.buffering
B.queuing
C.receiving
D.timing
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