A user wants to install a new game and needs to make sure the proper version of DirectX isinstalled. Which of the following is the BEST way to check for the DirectX version?（）

单项选择题A technician installs a new video card in a desktop with onboard video. The technician boots the unit but sees no display. The monitor power light is on and the OS seems to be loading. Which ofthe following is the MOST likely cause?（）

A. The display is defective.
B. The video card needs to be flashed.
C. The internal adapter has not been disabled.
D. The new video card is defective.

单项选择题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

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