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Which of the following commands verifies that TCP/IP is working correctly on the local computer?
A) nslookup localhost
B) ping 127.0.0.1
C) netstat
D) ping –a localhost
B) ping 127.0.0.1
Which of the following expansion buses are most commonly used for video cards in modern computer systems?
A) AMR
B) PCI Express
C) CNR
D) PCI
B) PCI Express
You are installing networking cable in the air space between the ceiling and the roof of a building. Which type of cabling should you use?
A) STP
B) PVC
C) Multi-mode fiber
D) Plenum
D) Plenum
What is the difference between UXGA and WUXGA displays?
A) WUXGA has a widescreen aspect ratio.
B) WUXGA is capable of using the entire screen for images.
C) WUXGA has a lower screen resolution.
D) WUXGA has a higher contrast ratio
A) WUXGA has a widescreen aspect ratio.
Your motherboard has sockets for 184-pin DIMM RAM. Which type of RAM should you install?
A) EDO
B) SDRAM
C) FPM
D) DDR
D) DDR
Which of the following accurately describes case fans? (Select two)
A) Pull cool air from the front and blow hot air out the back
B) Do not have a specific design for moving air
C) To reduce dust and debris, they should all be exhausting hot air
D) Create a pressurized system inside the case
E) Only necessary on high-end gaming systems
A) Pull cool air from the front and blow hot air out the back
D) Create a pressurized system inside the case
Which type of interface is typically used for internal wireless networking cards in laptops?
A) PCI
B) ExpressCard
C) Mini-PCI
D) USB
E) Firewire
C) Mini-PCI
Which system utility would you use to troubleshoot hardware devices, examine and control the resources used by specific devices, and install updated device drivers?
A) Notification Area
B) Network
C) Control Panel
D) Device Manager
E) System Restore
D) Device Manager
Which of the following standards provides for data transfer rates up to 800 Mbps with a maximum cable length of 100 meters?
A) USB 2.0
B) IEEE 1394a
C) RS-232
D) IEEE 1394b
E) IEEE 1284
D) IEEE 1394b
Assuming the same operating frequency, what are the advantages of DDR3 over DDR2? (Select two.)
A) DDR3 accepts four consecutive 64-bit words per bus clock cycle.
B) DDR3 includes a buffer between the data bus and the memory.
C) DDR3 doubles the data transfer rate of DDR2.
D) DDR3 uses less power than DDR2.
C) DDR3 doubles the data transfer rate of DDR2.
D) DDR3 uses less power than DDR2.
What is a DB-15 connector on a sound card typically used for? (Select two)
A) Speakers
B) Joystick
C) MIDI port
D) Head Phones
E) Microphone
B) Joystick
C) MIDI port
Which type of printer uses an inked ribbon?
A) Laser
B) Dye sublimation
C) Ink Jet
D) Dot matrix
D) Dot matrix
Which wireless standard can stream data at a rate of up to 54 Mbps using a frequency of 5 GHz?
A) 802.11g
B) 802.11b
C) 802.11n
D) 802.11a
D) 802.11a
Which of the following IP address ranges is reserved for Automatic Private IP Addressing?
A) 192.168.0.1 – 192.168.254.255
B) 169.168.0.1 – 169.168.255.255
C) 169.254.0.1 – 169.254.255.254
D) 169.192.0.0 – 169.192.254.255
E) 192.168.0.0 – 192.168.255.254
C) 169.254.0.1 – 169.254.255.254
Which of the following locations will contribute the greatest amount of interference for a wireless access point? (Select two)
A) In the top floor of the two-story building
B) Near cordless phones
C) Near DHCP servers
D) Near exterior walls
E) Near backup generators
B) Near cordless phones
E) Near backup generators
Which of the following components converts AC to DC?
A) Surge protector
B) Voltage regulator
C) Power Supply
D) Capacitor
C) Power Supply
Which of the following is a valid IP address? (Select two)
A) 256.0.0.1
B) 10.384.0.3
C) 172.16.1.26
D) 192.168.1.512
E) 254.7.1.417
F) 2.2.2.2
G) 1.254.1.1024
C) 172.16.1.26
F) 2.2.2.2
Which type of network medium is used by an Integrated Services Digital Network (ISDN) adapter?
A) Copper telephone wire
B) Infrared light waves
C) Fiber-optic cable
D) Cable TV coaxial cable
E) Wireless radio waves
A) Copper telephone wire
What is the role of the CMOS in a modern computer?
A) Tests hardware during system startup.
B) Coordinates the use of system hardware with the operating system.
C) Loads the operating system into memory.
D) Saves information about system devices.
D) Saves information about system devices.
A printer is behaving erratically and you suspect a faulty parallel port. Which tool can you use to test the parallel port?
A) Loopback plug
B) Ammeter
C) Multimeter
D) Cable tester
A) Loopback plug
Which of the following is a characteristic of a multi-processor system?
A) Multiple cores on the same die
B) Ability to use over 4 GB of memory
C) Multiple processor sockets on the motherboard
D) Shared L2 cache
C) Multiple processor sockets on the motherboard
Which connector is used with unshielded twisted pair (UTP) cable?
A) RJ-45
B) DIX
C) BNC
D) AUI
A) RJ-45
Where should the thermal paste go when installing a processor?
A) Between the CPU and fan
B) Between the motherboard and CPU
C) Between the heat sink and CPU
D) Between the heat sink and fan
C) Between the heat sink and CPU
Which data transmission rate is defined by the IEEE 802.11b wireless standard?
A) 11 Mbps
B) 2 Mbps
C) 150 Mbps
D) 54 Mbps
E) 10 Mbps
A) 11 Mbps
You have just installed several devices at once to a computer, but now the computer fails to boot properly. What should you do?
A) Remove all the newly added devices and install them one at a time.
B) Change the configuration of a single device.
C) Swap a single device with one that you know to be good.
D) Swap all of the devices with those you know to be good.
A) Remove all the newly added devices and install them one at a time.