Network cards have a unique hex number assigned to every unit. This number is known as which of the following?
A. IP address
B. LUN
C. Network ID
D. MAC address
CompTIA exam questions
Network cards have a unique hex number assigned to every unit. This number is known as which of the following?
A. IP address
B. LUN
C. Network ID
D. MAC address
After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause?
A. The wireless switch was damaged during the display installation.
B. The network card has failed.
C. The new display is interfering with the wireless signal.
D. The antenna connector was not reconnected.
A technician is planning a hardware upgrade of a workstation. The technician would like to upgrade the video card, sound card, and NIC and add a USB 3.0 card. The technician is concerned about power consumption by the expansion cards. Which of the following upgrades would MOST likely require also upgrading the power supply?
A. Video card
B. USB 3.0 card
C. Sound card
D. Network card
Peter, a technician, is asked to replace the LCD panel portion of a laptop screen. Upon removing the outside cover, Peter finds loose wires surrounding the LCD panel. Which of the following is the MOST likely purpose of these wires?
A. Reduces EMI for a clearer video picture
B. Wiring for an a Bluetooth adapter
C. Antennas for the wireless network card
D. Connections for a high performance video card
Which of the following expansion cards would MOST likely require the use of an external power connector to function properly?
A. PCI Express video card
B. PCI Express fiber card
C. PCI Express sound card
D. PCI Express network card
A customer asks a technician to upgrade a desktop computer to support the DVI-D interface. Which of the following PC expansion cards would the technician upgrade?
A. FireWire card
B. Network card
C. Thunderbolt card
D. Video card
E. Sound card
Small form factor PCs that utilize full-height PCI and PCI-Express cards need which of the following supplementary items to allow for proper installation?
A. FireWire cards
B. Riser cards
C. Storage cards
D. Network cards
A technician has just installed a network card on a Windows 7 computer. Which of the following should the technician do NEXT?
A. Install the manufacturer’s drivers
B. Run Windows Updates
C. Reboot the machine
D. Flash the BIOS