单项选择题

A. AdvertisementsB. Resource consumptionC. A trojan inf……

A technician just installed an antivirus suite on a workstation. It is kept up-to-date and has recently scanned the system. A day later the user reports slower response times than usual. Which of the following is the user MOST likely experiencing?（）

A. Advertisements
B. Resource consumption
C. A trojan infection
D. Unremoved viruses

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单项选择题Which of the following BIOS level settings allow an administrator to view warnings on possiblehardware level changes?（）

A. Drive lock
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A. PCI Express card
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单项选择题Which of the following adapter cards allows I O devices to be connected and transmits data using a POTS line?（）

A. PCI tuner card
B. PCI modem
C. PCI SCSI
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A.8-bit
B.16-bit
C.32-bit
D.64-bit

单项选择题Which of the following processing types allows two instructions to be received and processednanoseconds apart?（）

A. Quad core
B. Triple core
C. Dual core
D. Hyper-threading