● 下列关于设计变更的说法中,表述正确的是___(60)___
(60)A.设计变更主要在实施阶段出现,与设计阶段的质量控制工作无关
B.任何设计变更均必须得到建设单位同意并办理书面变更手续
C.任何设计变更均须报请原设计单位审批
D.国家有关政策法规的变化不会引起设计变更
● 与多模光纤相比较,单模光纤具有___(61)___等特点。
(61)A. 较高的传输率、较长的传输距离、较高的成本
B. 较低的传输率、较短的传输距离、较高的成本
C. 较高的传输率、较短的传输距离、较低的成本
D. 较低的传输率、较长的传输距离、较低的成本
● CDMA 系统中使用的多路复用技术是___(62)___。我国自行研制的移动通信3G 标准是___(63)___。
(62)A. 时分多路 B. 波分多路 C. 码分多址 D. 空分多址
(63)A. TD-SCDMA B.WCDMA C. CDMA2000 D. GPRS
● 某校园网用户无法访问外部站点210.102.58.74,管理人员在windows 操作系统下可以使用___(64)___判断故障发生在校园网内还是校园网外。
(64)A. ping 210.102.58.74 B. tracert 210.102.58.74
C. netstat 210.102.58.74 D. arp 210.102.58.74
● 当网络出现连接故障时,一般应首先检查___(65)___。
(65)A.系统病毒 B.路由配置 C.物理连通性 D. 主机故障
● Originally introduced by Netscape Communications,___(66)___ are a general mechanism which HTTP Server side applications, such as CGI (67) , can use to both store and retrieve information on the HTTP ___(68)___ side of the connection. Basically, Cookies can be used to compensate for the ___(69)___ nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based ___(70)___ .
(66)A. Browsers B. Cookies C. Connections D. Scripts
(67)A. graphics B. processes C. scripts D. texts
(68)A. Client B. Editor C. Creator D. Server
(69)A. fixed B. flexible C. stable D. stateless
(70)A. programs B. applications C. frameworks D. constrains
● WebSQL is a SQL-like ___(71)___ language for extracting information from the web. Its capabilities for performing navigation of web ___(72)___ make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a ___(73)___ , all the pages that can be reached from a given URL through ___(74)___ that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common ___(75)___ Interface.
(71)A. query B. transaction C. communication D. programming
(72)A. browsers B. servers C. hypertexts D. clients
(73)A. hypertext B. page C. protocol D. operation
(74)A. paths B. chips C. tools D. directories
(75)A. Router B. Device C. Computer D. Gateway
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