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观看课程 《网络暴力的失控》https://www.bilibili.com/video/BV1us411U7B8？from=search&seid=11710198688403316830 延伸学习 《大数据挖掘与案例实战》 http://www.bilibili.com/video/BV1e7411s7du/？spm_id_from=333.788.videocard.5
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考题
Which of the following is TRUE according to the story?A． The little girl was kind and helpful.B． The video game was a prize from the store.C． The writer paid for the video game for the boy.D． The boy bought the video game himself from the store.
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How long should we keep the video tapes of surveillance cameras?A.You should keep the video tapes for at least five months.B.The video tapes should be kept for at least three months.C.You should keep the video tapes for at least one monthD.You should keep the video tapes for at least two months.
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下列有关S-Video信号的说法中正确的是(41)。A．S-Video信号是R，G和B三基色相分离的视频信号B．S-Video信号是亮度与色差相分离的视频信号C．S-Video信号电缆中传输了三路独立的视频信号D．S-Video信号也称为全电视信号
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HTTPS(安全超文本传输协议)是基于HTTP开发的,以下关于HTTPS的说法错误的是( )。
A、HTTPS比HTTP安全B、HTTPS可以对传输的数据进行加密C、HTTPS默认使用443端口进行通信D、HTTPS默认使用8080端口进行通信
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tonywouldliketomakeiteasierforusersofthevideoapplicationtoenternewdocusingthe“videoform”,he’dlikeuserstobeabletocreatenew“video”docformwithintheview.Whichoneofthefollowingshouldtonysotobuildthisinterface?（）A.createaviewactionthathasthefollowingformula：@command（[create]；”video”）B.createaformactionthathasthefollowingformula：@command（[compose]；”video”）C.createaviewactionthathasthefollowingformula：@command（[compose]；”video”）D.createadatabaseactionthathasthefollowingformula：@command（[compose]；”video”）
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关于ASWG无法识别的通过HTTP、HTTPS通道的协议，以下描述正确有哪些（）？A、ASWG对未知的HTTP协议、HTTPS协议的数据报文只能透传，以减少用户网络访问的影响B、ASWG对未知的HTTP协议、HTTPS协议的数据报文不做内容分析C、ASWG对未知的HTTP协议、HTTPS协议的数据报文不做安全分析D、ASWG对未知的HTTP协议、HTTPS协议的数据报文只能阻止，以减少用户网络安全隐患
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关于HTTP和HTTPS，下面说法正确的是（）A、HTTPS属于传输层协议，用来保证数据传输安全B、HTTPS不仅比HTTP安全，而且连接效率更高C、HTTPS使用了非对称加密技术，比HTTP安全性更高D、HTTP是明文传输，而HTTPS是密文传输
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Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）A、 gold， silver， bronze， and platinumB、 platinum， gold， silver， and bronzeC、 titanium， gold， silver， and bronzeD、 voice and video， best effort， background， and scavengerE、 voice， video， best effort， and backgroundF、 voice， video， best effort， and scavenger
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下列选项中，关于RealPlayer软件的描述，错误的是（）。A、能够播放RealAudio和新的RealAudioB、是在网上收听、收看Audio、Video的最佳工具C、是网上观看Flash的最佳工具D、可以收看全屏幕Video，并且对连线速度没有要求
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Which statement is true about the comparison of voice traffic with video traffic？（）A、video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flowsB、latency requirements are less stringent for video traffic than for voice trafficC、video traffic is less sensitive to dropped packets than for voice trafficD、video traffic requires the retransmission capabilities of TCP whereas voice uses UDPE、video traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flowsF、voice traffic requires the retransmission capabilities of TCP whereas video uses UDP
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A technician upgrades a computer from Windows XP Media Center Edition to Windows Vista Home Premium. After the upgrade Aero will not turn on. The system has a 2.4 GHz processor, 1GB of RAM, and a DirectX 7 video card. Which of the following will resolve this issue?（）A、Aero cannot be used on Windows Vista Home Premium.B、Upgrade the video card to a DirectX 9 compatible card.C、Upgrade the video driver.D、Upgrade the RAM to 4GB
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A work order states that a customer used Windows updates and after rebooting the computer， the video driver was corrupted and the computer was in safe mode. Which of the following would be the BEST action to take？（）A、Download and install the correct video driver from the manufacturer’s web site.B、Remove the video driver and reboot the computer.C、Use the Driver Roll Back feature in Device Manager.D、Go back to Windows update and specify the correct video driver.
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An optical cable is used to transmit：（）A、digital audio from a component to a receiver.B、analog video from a component to a receiver.C、analog audio from a component to a receiver.D、digital video from a component to a receiver.
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tony would like to make it easier for users of the video application to enter new doc using the “video form”, he’d like users to be able to create new “video” doc form within the view. Which one of the following should tony so to build this interface?（）A、create a view action that has the following formula：@command（[create]；”video”）B、create a form action that has the following formula：@command（[compose]；”video”）C、create a view action that has the following formula：@command（[compose]；”video”）D、create a database action that has the following formula：@command（[compose]；”video”）
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You have a computer that runs Windows XP Professional. You download new video card driver from the Internet, and then install the driver. You restart the computer. You discover that the newly loaded video driver is named VgaSave. You need to restore the previous version of the video card driver.What should you do?（） A、From the Device Manger, scan for hardware changes. B、From the Device Manager, access the video card properties, and then select Roll Back. C、From the Device Manager, access the VgaSave properties, and then run the Hardware Troubleshooter. D、Restart the computer. From the Advanced Startup Options menu, select Last Known Good Configuration.
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单选题You have a computer that runs Windows XP Professional. You download new video card driver from the Internet, and then install the driver. You restart the computer. You discover that the newly loaded video driver is named VgaSave. You need to restore the previous version of the video card driver.What should you do?（）A
From the Device Manger, scan for hardware changes. B
From the Device Manager, access the video card properties, and then select Roll Back. C
From the Device Manager, access the VgaSave properties, and then run the Hardware Troubleshooter. D
Restart the computer. From the Advanced Startup Options menu, select Last Known Good Configuration.
考题
单选题One user has a Video Capture Card installed on her pc. She uses it to capture video pictures. She complains the video capture card is not working properly and she couldn't view captured video. You check out the Device manager, which does not indicate any Video devices installed on your system, but you see a yellow mark placed besides the audio device. What should you do in order to make the video capture device work? （）A
Enable the device in Device manager B
Install new driver from Device Manager C
Disable PNP and install manually D
Copy the manufacturer's driver to WINNT/driver cache/i386/ and then let Windows 2000 to install the device.
考题
单选题Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）A
gold， silver， bronze， and platinumB
platinum， gold， silver， and bronzeC
titanium， gold， silver， and bronzeD
voice and video， best effort， background， and scavengerE
voice， video， best effort， and backgroundF
voice， video， best effort， and scavenger
考题
单选题DVD的英文全名是（）。A
digital Video discB
digital video diskC
digital view diskD
dec video disc
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