2021贵州软件水平考试考试考前冲刺卷(2).docx
《2021贵州软件水平考试考试考前冲刺卷(2).docx》由会员分享,可在线阅读,更多相关《2021贵州软件水平考试考试考前冲刺卷(2).docx(23页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、2021贵州软件水平考试考试考前冲刺卷(2)本卷共分为1大题50小题,作答时间为180分钟,总分100分,60分及格。一、单项选择题(共50题,每题2分。每题的备选项中,只有一个最符合题意) 1.某公司为便于远程员工在家里访问公司的一些数据,允许员工通过Internet访问公司的FTP服务器,如图5-1所示。为了能够方便地实现这一目标,决定在客户机与FTP服务器之间采用()协议,可在传输层对数据进行加密以保证数据通信的安全性。ASSLBIPsecCPPTPDL2TP2.ActiveX is the name (66) has given to a set of object-oriented
2、concepts, technologies, and tools. It is important to notice that ActiveX is not a (67) technology, but a brand name, what its applied to can vary over time. However, the main technology is COM. Used in a network with a (68) and additional support, COM becomes the DCOM. The main object that is creat
3、ed when writing a program to run in the ActiveX environment is a (69) , a self-sufficient program that can be run anywher6 in the ActiveX network. This component is known as an ActiveX control. An ActiveX control is roughly equivalent to a applet. One important difference is that an ActiveX control
4、must be (70) for a specific platform, while an applet is platform-independent.AappliancesBchipsCcomponentDsilicon 3.采用相一幅调制(PAM)技术在带宽为32kHz的无噪声信道上传输数字信号,每个相位处都有两种不同幅度的电平。若要达到192kb/s的数据速率,至少要有 (16) 种不同的相位。A2B4C8D16 4.SOX is an alternative syntax for (71) . It is useful for reading and creating XML co
5、ntent in a text editor. It is then easily transformed into proper XML. SOX was created because developers can spend a great deal of time with raw XML. For many of us, the popular XML (72) have not reached a point where their tree views, tables and forms can completely substitute for the underlying.
6、(73) language. This is not surprising when one considers that developers still use a (74) view, albeit enhanced, for editing other languages such as Java. SOX uses (75) to represent the structure of an XML document, which eliminates the need for closing tags and a number of quoting devices. The resu
7、lt is surprisingly clear.AmarkupBcommandCprogrammingDinteractive 5.在配置OSPF路由协议命令network 192.168.10.10 0.0.0.63 area 0中,最后的数字0表示 (52) 。A主干区域B无效区域C辅助区域D最小区域 6.已知3个类R、S和T,类R中定义了一个私有方法F1和一个公有方法F2;类S中定义了一个公有方法F3,类S为类R的派生类,类T为类S的派生类,它们的继承方式如下所示: class S: public R ; class T: private S ; 在关于类S的描述中正确的是 (5) ;
8、在关于类T的描述中正确的是 (6) 。A类S的对象可以访问F1,但不能访问F2B类S的对象可以访问F2,但不能访问F1C类S的对象既可以访问F1,也可以访问F2D类S的对象既不能访问F1,也不能访问F2 7.在配置命令frame-relay map ip 192.168.1.1 dlci 101 broadcast中,数字101的含义是 (53) 。A本端逻辑通道编号B本端数据链路编号C对端物理接口编号D对端链路节点编号 8.下列关于PGP (Pretty Good Privacy)的说法,错误的是 (32) 。APGP可用于电子邮件,也可以用于文件存储BPGP不可使用IDEA对称加密算法CP
9、GP采用了ZIP数据压缩算法DPGP可选用MD5和SHA两种Hash算法 9.以太网中使用的校验码标准是 (17) 。ACRC-12BCRC-16CCRC-CCITTDCRC-32 10.测试是保证软件质量的重要手段。根据国家标准GB 856688计算机软件开发规范扩的规定,应该在 (10) 阶段制定系统测试计划。A需求分析B概要设计C详细设计D系统测试 11.SOX is an alternative syntax for (71) . It is useful for reading and creating XML content in a text editor. It is then
10、 easily transformed into proper XML. SOX was created because developers can spend a great deal of time with raw XML. For many of us, the popular XML (72) have not reached a point where their tree views, tables and forms can completely substitute for the underlying. (73) language. This is not surpris
11、ing when one considers that developers still use a (74) view, albeit enhanced, for editing other languages such as Java. SOX uses (75) to represent the structure of an XML document, which eliminates the need for closing tags and a number of quoting devices. The result is surprisingly clear.AtreeBtex
12、tCprogramDgraphic 12.ActiveX is the name (66) has given to a set of object-oriented concepts, technologies, and tools. It is important to notice that ActiveX is not a (67) technology, but a brand name, what its applied to can vary over time. However, the main technology is COM. Used in a network wit
13、h a (68) and additional support, COM becomes the DCOM. The main object that is created when writing a program to run in the ActiveX environment is a (69) , a self-sufficient program that can be run anywher6 in the ActiveX network. This component is known as an ActiveX control. An ActiveX control is
14、roughly equivalent to a applet. One important difference is that an ActiveX control must be (70) for a specific platform, while an applet is platform-independent.AtransactionedBcompiledCcreatedDidentitied 13.已知3个类R、S和T,类R中定义了一个私有方法F1和一个公有方法F2;类S中定义了一个公有方法F3,类S为类R的派生类,类T为类S的派生类,它们的继承方式如下所示: class S:
15、public R ; class T: private S ; 在关于类S的描述中正确的是 (5) ;在关于类T的描述中正确的是 (6) 。A类T的对象可以访问F1、F2和F3B类T的对象可以访问F2和F3,但不能访问F1C类T的成员可以访问F2和F3,但不能访问F1D类T的成员不能访问F1、F2和F3 14.如果读取 (12) 的某磁盘块,修改后在写回磁盘前系统崩溃,则对系统的影响相对较大。通常的解决方案是采用文件系统的一致性检查,一致性检查包括块的一致性检查和文件的一致性检查。在块的一致性检查时,检测程序构造一张表,表中为每个块设立两个计数器,一个跟踪该块在文件中出现的次数,一个跟踪该块在
16、空闲表中出现的次数。假设系统有16个块,检测程序通过检测发现表 (13) 状态下的文件系统是一致的。A空闲表磁盘块B用户目录文件C用户文件的某磁盘块D系统目录文件 15.以下给出的地址中,属于子网197.182.15.19/28的主机地址是 (48) 。A197.182.15.17B197.182.15.14C197.182.15.16D197.182.15.31 16.以下关于IEE802.3ae 10Gb/s以太网描述正确的是 (33) 。A与100BaseTx以太网帧格式完全相同B工作在全双工方式,使用CSMA/CD协议C使用双绞线和光纤作为传输媒体D具有SDH某些特性,提供SDH同步接
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 2021 贵州 软件 水平 考试 考前 冲刺
限制150内