WorksheetsA+ Certification Challenge
Total questions: 25
Worksheet time: 13mins
If you had four identical drives, which of these RAID types would provide both redundancy and the most available storage space for your data?
RAID 0
RAID 1
RAID 5
RAID 1 + 0
You have just purchased a new dual-core PC, but when you look at the Windows Task Manager's Performance tab, you see usage statistics for four CPUs. What would be the most likely cause of this difference?
Dual-core CPUs appear as four separate CPUs in Windows
The dual-core CPUs are using HTT
The new computer uses dual-channel memory
Windows Task Manager is improperly configured
What is one of the fundamental characteristics of parity memory?
Parity memory identifies and corrects errors on the fly
Parity memory will retry memory transactions until zero errors are identified
Parity memory can be used on any computer
Parity memory uses an additional bit to identify errors
What software is responsible for starting your computer when power is applied?
MBR
NTLDR
OS Kernel
BIOS
What type of voltages would you commonly expect to find on motherboard's power supply connector?
120V AC
12V DC, 5V DC, 3.3V DC
12V AC, 5V AC, 3.3V AC
120V DC
Which of these interface types would you expect to find in a laptop computer?
Mini PCI
DIMM
AGP
PCI-X
What 15-pin connector is commonly used to transmit video?
RCA
VGA
DVI
HDMI
What memory type is often used as L1 cache memory?
SRAM
DRAM
SDRAM
RDRAM
How does a thermal printer display information on a printed page?
The printer uses heat and pressure to "fuse" the image to the paper
A heated print head pulls a small bubble of ink from an ink cartridge
A small set of pins are heated and pressed onto the page
Special paper is heated until it changes color
A set of colored ink rolls are heated until the colors transfer to the paper
Which of these would be the best example of an output device? Pick two. A. Barcode reader B. Printer C. Motion sensor D. Speaker E. Smart card reader F. Webcam
Barcode reader
Printer
Motion Sensor
Speaker
Smart Card reader
Your new motherboard comes with four SATA ports. What is the maximum number of SATA devices that it can support?
Two at any time, using any of the four interfaces
Four
Eight
The maximum number of devices will be dependent on the SATA speeds of the devices
Which of these features would not be commonly found in a BIOS?
Hardware diagnostics
USB port disabling
Disk partitioning option
Date and time settings
Which of these memory types are designed to detect errors? Pick two.
ECC
SDRAM
DDR
Parity
What type of memory is used to improve the performance of CPU instruction processing?
Cache
Hybrid
Parity
SDRAM
Which of these best describes digital modulation?
Listening to an FM radio station
Playing audio from computer speakers
Using a modem for Internet connectivity
Ringing a bell
Which of these characteristics would be most important for a CAD/CAM workstation? Pick two
Powerful Processor
High-end video
Enhanced video
HDMI Interfaces
TV Tuner
You've just replaced the SATA hard drive in your desktop PC with an SSD. Which of these changes should you expect? Pick two.
Access to your data on the SSD should be faster than the hard drive
The SSD should require more defragmentation than the hard drive
The SSD should make as much noise as your hard drive when accessing data
The SSD should have very similar motherboard connections as the existing hard drive interface
What is the purpose of a CPU cache?
It increases the clock rate of the CPU
Improves the overall clock speed of the FSB
Adds an extra CPU core at each cache layer
Holds data, instructions, or results for fast retrieval
Which of these security technology restricts users from making any changes to their hardware configuration?
Wireless encryption
Anti-spyware software
BIOS security
Biometrics
You have recently upgraded the CPU in one of your servers, including a heat sink and a CPU fan. Unfortunately, the temperature of the CPU is getting very hot during normal operation. Which of these is most likely the cause of this overheating?
The CPU configuration in the BIOS is misconfigured
The CPU is not the correct type for your motherboard
The amount of thermal paste is insufficient
The processor is faulty
One of your associates has told you that he's added a supervisor password to the BIOS of every computer in the organization. What does the addition of this BIOS password mean?
You can't make changes to the BIOS configuration without the password
You can't boot the computer without the password
You can't add new device drivers without the password
You can't shut down the computer without the password
One of your customers is looking for a MIDI-to-USB interface for her new laptop computer. What is she probably connecting to her PC?
A digital video camera
An analog audio input
An external monitor
An electronic piano keyboard
Which of these would be a best-practice for thermal printer output?
Don't use paper clips on thermal printer output
Don't keep the output in large stacks
Don't put the output near a heat source
Don't store the output in a cardboard or paper folder
Which of these connection types would you most commonly associate with NAS? A. Ethernet B. eSATA C. USB D. FireWire E. Serial
Ethernet
eSATA
USB
Firewire
Serial
