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2023-09-12什么是面向连接服务和单工通信第一章 计算机网络基础概述 1. 计算机网络分成哪几种类型 ? 试比较不同类型网络的特点。 答：可以从不同的角度对计算机网络进行……
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Load test is planned to decide the number of users, what kind of machines we are going to use and from where they are ru……
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2023-12-24软件测试LoadRunner面试题：If web server, database and Network are all fine where could be the problem?The problem could be in the system itself or in the application server or in the code written for the application. ……
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Load Runner provides you with five different types of goals in a goal oriented scenario: The number of concurrent V……
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Overlay Graph: It overlay the content of two graphs that shares a common x-axis. Left Y-axis on the merged graph show.s ……
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In Running Vuser graph correlated with the response time graph you can see that as the number of Vusers increases, the a……
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This option is used to gradually increase the amount of Vusers/load on the server. An initial value is set and a value t……
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The standard log sends a subset of functions and messages sent during script execution to a log. The subset depends on t……
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2023-03-07软件测试LoadRunner面试题：If you want to stop the execution of your script on error, how do you do that?The lr_abort function aborts the execution of a Vuser script. It instructs the Vuser to stop executing the Actions secti……
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Automatic correlation from web point of view, can be set in recording options and correlation tab. Here we can enable co……
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Vuser_init action contains procedures to login to a server. Vuser_end section contains log off procedures. ……
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The lr_debug_message function sends a debug message to the output log when the specified message class is set. lr_output……
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Performance Bottlenecks can be detected by using monitors. These monitors might be application server monitors, web serv……
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Think time is the time that a real user waits between actions. Example: When a user receives data from a server, the use……
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2024-01-23软件测试LoadRunner面试题:What is correlation? Explain the difference between automatic correlation and manuCorrelation is used to obtain data which are unique for each run of the script and which are generated by nested queries……
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Using Web resource monitors we can find the performance of web servers. Using these monitors we can analyze throughput o……
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Web_reg_save_param function saves dynamic data information to a parameter. ……
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The configuration of our systems refers to that of the client machines on which we run the Vusers. The configuration of ……
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2023-09-28嵌入式系统中经常要用到无限循环，你怎么样用C编写死循环呢？这个问题用几个解决方案。我首选的方案是： while(1) { } 一些程序员更喜欢如下方案： for(;;) { } 这个实现方式让我为难，因为这……
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2023-02-16网络通信工程质量类面试题1．工程质量问题分哪几类？整改要求如何？ 工程质量分A、B、C三类，A类所有问题必须整改，否则必须与客户签署备忘录，因本次工程以前遗留问……
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2023-06-17描述一下手机的上网过程手机开机、扫频 手机开机以后，立刻开始扫描网络，寻找可用的频点； 手机锁频（FCCH） 手机找到可用频点后，通过 FCCH 信道上的“频率校正……
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2023-10-29网络通信工程安装类面试题1．简述设备安装流程？ 开工协调会—–开箱验货——硬件安装——硬件自检——硬件加电—–软件调测—-验收测试—–割接 2．开工协调……
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2023-09-03分组交换技术1、分组交换的优点:线路利用率提高;分组交换网可以进行数据率的转换;在线路交换网络中，若通信量较大可能造成呼叫堵塞的情况，即网络……
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2023-10-203G无线传输的基本要求是什么(1)高速传输以支持多媒体业务。 室内环境至少2Mbps； 室内外步行环境至少384kbps； 室外车辆运动中至少144kbps； 卫星移动环境至少……
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2023-11-25什么是蜂窝技术移动通信系统是采用一个叫基站的设备来提供无线服务范围的。基站的覆盖范围有大有小，我们把基站的覆盖范围称之为蜂窝。采用大功率……