With Correct Solutions
DB-9 Serial port - Answer -✔✔
DB-25 Parallel port - Answer -✔✔
DB-15 - Answer -✔✔
High Density DB-15 - Answer -✔✔
DVI Video Port - Answer -✔✔
6-pin Mini-DIN - Answer -✔✔
TRS - Answer -✔✔
RJ-11 - Answer -✔✔
RJ-45 - Answer -✔✔
USB Type A - Answer -✔✔
Firewire 6-pin - Answer -✔✔
You are helping a customer over the phone who needs to connect a monitor that uses a
digital interface. Which port should you instruct her to look for on the back of the PC?
A. Serial DB-15
B. SVGA DB-15 3-row
C. Firewire 6-[in
D. DVI - Answer -✔✔D
You are looking at a high-density (3-row) female DB-15 connector on the computer.
What device uses this connector?
A. VGA/SVGA monitors
B. IEEE 1284 printers
C. USB storage devices
D. External modems that use a serial port - Answer -✔✔A
Analog Audio - Answer -✔✔
,HDMI - Answer -✔✔
S/PDIF Optical - Answer -✔✔
VGA - Answer -✔✔
IEEE 1394 - Answer -✔✔
A D-shaped, 25-pin female port on the back of a computer is a:
A. Parallel port
B. Monitor port
C. Game port
D. Serial port - Answer -✔✔A
You are looking at a female TRS connector on the computer. What device uses this
connector?
A. Thumb drive
B. Speaker
C. External modem
D. Joystick - Answer -✔✔B
You are providing telephone support for a user who is swapping out an old CRT SVGA
monitor with a new LCD SVGA monitor. He's not sure which connector on the back of
the PC is used for the monitor. How would you describe the connector that he should
look for?
A. Round with 9 pins
B. D-shaped with 36 pins
C. Round with 6 pins
D. D-shaped with 15 pins - Answer -✔✔D
Which of the following devices can store large amounts of electricity even when
unplugged?
A. DVD optical drive
B. CRT monitor
C. Hard disk drive
D. LCD monitor - Answer -✔✔B
Which of the following components requires special disposal procedures to comply with
environmental guidelines?
A. Notebook battery
B. Motherboard
C. Video card
D. Hard disk drive - Answer -✔✔A
,Which of the following devices are most susceptible to problems associated with ESD?
(Select two.)
A. ATX form factor cases
B. Processor
C. Memory
D. Fiber optic cable
E. Cat 5 cable
F. Monitors - Answer -✔✔BC
What tool would be the best choice to remove and replace the motherboard BIOS chip?
A. IC extractor
B. Needle nose pliers
C. Screwdriver
D. Combination ratchet - Answer -✔✔A
What are loopback plugs used for?
A. Removing broken pins from within sockets
B. Connecting computers together without using network cards or modems
C. Grabbing and lifting small objects
D. Testing ports by returning output signals as input - Answer -✔✔D
You need to trace the route a Cat 6 UTP cable takes through the ceiling and walls of
your building. Which tool should you use?
A. tone probe
B. Punchdown tool
C. Cable tester
D. Multimeter - Answer -✔✔A
Which tool would you use to measure electrical properties such as voltage, amps, and
resistance?
A. Crimper with interchangeable die
B. Multimeter
C. Mini electronic combination wrench set
D. IC extractor - Answer -✔✔B
What is the best way to protect a computer from power spikes during an electrical
storm?
A. Unplug the computer from the AC outlet
B. Use a UPS
C. Use a surge protector
D. Shut down the computer - Answer -✔✔A
Besides protecting a computer from under voltages, a typical UPS also performs which
other two actions?
A. Prevents electric shock
B. Protects network cabling from EMI
, C. Prevents ESD
D. Conditions the power signal
E. Protects from over voltages - Answer -✔✔DE
Your organization uses an 802.11g wireless network. Recently, other tenants installed
the following equipment in your building:
A. wireless television distribution system running at 2.4GHz
B. wireless phone system running at 5.8GHz
C. wireless phone system running at 900MHz
D. 802.11a wireless network running in the 5.725-5.850GHz frequency range
E. 802.11n wireless network running in the 5.8GHz frequency range
Since this equipment was installed, your wireless network has been experiencing
interference. Which system is to blame? - Answer -✔✔A
What does beeping from the UPS mean?
A. The UPS battery is no longer able to hold a charge
B. The computer is about to shut down
C. The UPS is not connected to the computer
D. The power reserve in the UPS battery is critically low
E. The computer is running on the UPS battery power - Answer -✔✔E
Which rating is used to specify the size of a UPS?
A. Volts
B. Watts
C. Volt/ohm
D. VA - Answer -✔✔D
You are troubleshooting a client connectivity problem on an Ethernet network. The client
system has intermittent connectivity to the network. You discover that the unshielded
twisted-pair patch cable runs 75 feet from the wall outlet, passes through the ceiling and
over several florescent light fixtures before reaching the client system. Which of the
following may be a cause of the connectivity problem?
A. EMI interference
B. Failed patch cable
C. Attenuation
D. The UTP cable doesn't support transmission distance of 75 ft without signal
regeneration
E. crosstalk - Answer -✔✔A
You have a power supply configured to receive 110 Volts AC. How can you configure
the power supply to receive 220 volts AC?
A. Purchase a power supply that is compatible with 220.
B. Purchase a voltage converter. Plug your computer into the converter box
C. Move the power switch on the power supply to a different voltage
D. Edit the BIOS and modify the voltage input setting - Answer -✔✔C