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?（）

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
B. Intrusion detection
C. BIOS password
D. Trusted platform module

单项选择题Which of the following expansion devices would allow a user to utilize multiple hardware profiles to control an external display and power option?（）

A. PCI Express card
B. KVM
C. PCMCIA card
D. Docking station

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
D. PCI Ethernet

单项选择题Which of the following operating system types will allow a user to utilize 16GB of RAM if installed on a PC workstation?（）

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