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问题：Which of the following does a star ring topology use for data transfer?（）A、CSMA/CDB、CSMA/CAC、CHAPD、Token passing...
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问题：Which of the f...
问题：Which of the following should be...
问题：221.17.101.223/28 is ...
问题：Which of the following is a reason why Bob, a technician, should install case fans in the front of acomputer case?（）A、It forces hot air out of the PCB、The fan is easier to remove and cleanC、It forces cooler air into the power supply quicklyD、It forces coo...
问题：After upgrading the SNMP （Simple Network Management Protocol） protocol， the （）can be looked up. It is a sequence of integers that uniquely identifies a path to a managed object. A、 MIB （Management Information Base）B、 OID （ObjectIDentifier）C、 registerD、 ...
问题：A user’s document will no...
问题：Which of the following types of DNS records enables support for email?（）A、AB、MXC、PTRD、AAAA...
问题：Which of the following network d...
问题：During boot up， a laptop screen displays vertical colored lines and then the LCD screen goes blank. There are no display problems when connected to an external monitor. Which of the following actions should be taken to resolve the problem？ （）A、Replace the...
问题：An administrator has&...
问题：Which of the following would be the way to prevent the Num Lock LED from being turned on automatically when a laptop is booted？ （）A、Hold the function Num Lock key down during POST.B、Go into the Windows Keyboard applet and deselect the ’Num Lock on boot’ o...
问题：Which of the following are commo...
问题：A technician is booting up a com...
问题：Recently traffic to the company web server has more than doubled， resulting in slower response times from the server. An administrator has decided to add a second， identical 10/100/1000 NIC to the server. The server is presently connected to a 10/100/10...
问题：Which of the following file syst...
问题：In the OSI model, which of the f...
问题：Which of the following is typica...
