工程师考试简易题

（1）下列关于宽带城域网技术的描述中，错误的是 A）宽带城域网保证Qos的主要技术有RSVP、Diff-Serv和MPLS B）宽带城域网带内网络管理是指利用网络管理协议SNMP建立网络管理系统 C）宽带城域网能够为用户提供带宽保证，实现流量工程 D）宽带城域网可以利用NAT技术解决IP地址资源不足的问题 （2）下列关于接入技术特征的描述中，错误的是 A）远距离无线宽带接入网采用标准 B）Cable Modem利用频分利用的方法，将信道分为上行信道和下行信道 C）光纤传输系统的中继距离可达100km以上 D）ADSL技术具有非对称带宽特征,1,100分悬赏 DELL工程师考试题目 just replaced the system board on studio 1737 for a NO-power powering up the system,you notice that the system gives an ON-FLASHING-ON LED is the first step to be performed to resolve this issus? A: Reseat the keyboard cable B: Reseat the processor C: Reseat the momory modules D: Reseat the LCD cable results indicate a failure with the Dell edgetouch hardware in the latitude Z600. Which of the following ponents shoulc be replaced? A: LCD panel B: system board C: edgetouch control panel D: LCD BEZEL a Studio 1745/1747/1749 shipped with an internal TV Tyber card,what is the additional associated internal ponent? A: External TV Tuner antenna B: All the options are correct C: internal TV tuner cable assembly D: TV remote the replacement of a system board for the Vostro A860, system is still not able to post with the status lights shown as On/Flashing/On. Which status light is to be referred to and what does it mean? A: Refer to device status lights and it means faulty ram detected. B: Refer to keyboard status lights and it means faulty memory detected C: Refer to keyboard status lights and it means no ram detected. D: Refer to device status lights and it means no ram detected. part should be replaced next if the latitude E4200 system board has been replaced and the "flash-on-on" LED code is still displayed? A: RAM B: Solod state drive C: lcd D: processor items must be removed from the precision M6500 before the internal Memory can be removed from the system board? choose all that apply A: keyboard B: Hinge cover C: battery D: palm rest 最后一题多选