Missed questions

Test Name: CompTIA A+ Essentials 220-701, Exam 2
Completed 12:03:13 PM on 10/4/2011 for 20
Score: 67% (80% required)
You got the following questions incorrect:
4. Your antivirus software has detected a boot sector virus. Which of the following commands could you use to repair the system?
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Correct Answer(s):
 - FIXBOOT
Explanation:
Start the recovery console. To repair a damaged Boot Sector at the command prompt, type FIXBOOT and press Enter. Then answer "Y".
6. How can you get a print out of the system configuration on a Windows XP operating system?
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Correct Answer(s):
 - From the Device Manager, click the Printer icon.
Explanation:
The Device manager enables you to print a summary of your PC. In device manage there is a print button .
9. The power supply fan fails, what component should be replaced?
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Correct Answer(s):
 - The complete power supply
Explanation:
If the fan is not operational, check the fan connectors and wiring to ensure proper voltage. Usually, if the power supply fan is not functioning, it will be necessary to replace the power supply unit.
10. By default, what ID is a SCSI adapter usually set to?
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Correct Answer(s):
 - 7
Explanation:
Remember the general rules:\nThe boot disk is usually set to ID 0.\nThe host adapter is usually set to ID 7. Find out more at: http://www.scsischool.com//n
11. 'Memory Overflow' error message can be overcome by: (Choose 3)
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Correct Answer(s):
 - Reducing the resolution of the print job
 - Reducing RET
 - Adding RAM to the printer
Explanation:
This message means that the printer cannot handle the job in its own RAM space. Reduce resolution or RET or add RAM to the printer.
13. What permissions will be available on an NTFS drive attached to a MAC computer?
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Correct Answer(s):
 - Read
Explanation:
When you try to access a HD formatted in NTFS from the MAC OS you can only read it.
14. How many channels must exist between two 802.11b frequency bands in order to avoid channel overlap?
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Correct Answer(s):
 - 4
19. When replacing a power supply which of the following would you use to determine a replacement unit?
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Correct Answer(s):
 - Wattage
Explanation:
Power supply voltage is switchable. The wattage  should be greater or equal to the unit being replaced.
23. Name two kinds of laptop memory.
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Correct Answer(s):
 - SODIMM
 - MicroDIMM
Explanation:
Laptops can use 172-pin 64-bit Small Outline Dual-In-Line. MicroDIMM Double Date Rate synchronous DRAM Module for notebook applications and SODIMM in both 144 and 200 pin modules.
32. Which one of the following types of backups backs up all selected files without marking them as having been backed up?
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Correct Answer(s):
 - Copy
Explanation:
Remember, when making backups onto any medium, it is important to backup regularly. Microsoft recognizes five types of backup strategies:\nFull backup: Copies all selected files to tape unconditionally.\nIncremental backup: Copies all files changed since the last full or incremental backup.\nDifferential backup: Copies all files changed since the last full backup.\nCopy backup: Copies selected files to tape without resetting the archive bit\nDaily backup: Copies all files changed the day the backup is made.\n\n
33. Which application on the client makes use of data stored on the server?
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Correct Answer(s):
 - Front end.
Explanation:
Front end and Back end services refer to which machine is doing the processing. Front end means the application is being processed by the client and Back end means the server is doing the application processing.
35. How can you create a mapped drive in XP?
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Correct Answer(s):
 - My Documents>Tools
Explanation:
To create a mapped drive go to Tools>Map Network Drive. Then enter the UNC path to the share.
43. When Intel classifies CPUs as M class it signifies that the chip was designed especially for which purpose listed?
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Correct Answer(s):
 - Mobile
Explanation:
Intel's M class processors are designed for laptops and other mobile computing devices. They run cooler and use less power.
44. How many 168 Pin DIMMs are necessary per memory bank?
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Correct Answer(s):
 - 1
Explanation:
A single 168 Pin DIMM is used for every memory bank
45. What is the fastest all purpose bus?
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Correct Answer(s):
 - PCI
Explanation:
PCI is the fastest all purpose bus.
46. Which priority settings are set for the SCSI ID number? (Choose two)
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Correct Answer(s):
 - 0 highest
 - 15 lowest
Explanation:
The highest-priority ID on the SCSI bus is 7. You normally assign this ID to the host adapter. Next in priority, from highest to lowest, are IDs 6-0 and then 15-8. So 0 has higher priority than 15.
48. How many Type III PCMCIA devices will fit in a typical laptop slot?
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Correct Answer(s):
 - One
Explanation:
Most laptops have two Type II slots, one on top of the other. When a Type III card is used, it will physically take up both slots, although only use one of the connectors.
49. 10BaseT uses ____ connectors.
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Correct Answer(s):
 - RJ-45
Explanation:
Ethernet 10BaseT cable uses RJ-45 connectors.
54. When a parallel port communicates information to a device how is it done?
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Correct Answer(s):
 - 1 byte at a time
Explanation:
When using a parallel port, the computer sends the data 1 byte at a time (8 bits in parallel, as opposed to 8 bits serially as in a serial port). With each byte sent out, it sends a handshaking signal so the printer can latch the byte.
56. Which of the following types of networks require the user to remember multiple passwords to access shared resources?
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Correct Answer(s):
 - Peer-to-Peer.
Explanation:
Peer-to-peer networking disadvantages\n·The inefficiency of peer networks increases rapidly beyond approximately 12 users\n·The overall network security is limited\n·Usually requires a password to remember for each shared resource\n·No centralized management of resources. Increases the risk of data loss or compromise of proprietary information\n·More complex procedure for maintaining backups\n
59. When using Biometric authentication, it is possible for an unauthorized person to be granted access to the system.  What is this condition called?
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Correct Answer(s):
 - False Positive
61. You had just made a bootable floppy and want to test it. You put the disk in the drive and restart the computer but it boots up to the Windows GUI. Why did this happen?
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Correct Answer(s):
 - The BIOS is set to boot the hard drive first.
Explanation:
The system is trying to boot from the hard drive. Reconfigure the BIOS boot sequence setting to include the FDD in the boot sequence.
62. The electrical connection between the docking station and a laptop computer is (Choose 2) :
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Correct Answer(s):
 - Used as a surge suppressor
 - Specific only to that manufacturer
Explanation:
The electrical connector between the docking station and the portable\nworks like a surge suppressor and is manufacturer specific: you must have the correct docking station for each specific portable computer brand.
64. What can be done with a system when its PATA controller fails on the motherboard? (Choose two)
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Correct Answer(s):
 - Replace the motherboard.
 - Install an PATA add-on card.
Explanation:
Since the system only has one PATA controller which handles two PATA interfaces you must either replace the motherboard or install an PATA add-on card.
73. When a wireless station is set to accept any SSID and receives beacon frames from several access points (APs) at once, how will it choose the access point it will use to join the network?
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Correct Answer(s):
 - It chooses the access point with the strongest signal.
Explanation:
Stations look in beacons for the SSID of the network they wish to join. When this information is found, the station looks at the media access control (MAC) address of the beacon's origination and sends an authentication request in hopes of associating with that access point. If a station is set to accept any SSID, the station will attempt to join the network through the first access point that sends a beacon or the one with the strongest signal strength if there are multiple access points.
75. How many bits wide is the AGP Bus?
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Correct Answer(s):
 - 32
Explanation:
AGP (Accelerated Graphic Port) is a 32-bit bus designed for the high demands of 3-D graphics.
85. You have to replace a computer power supply, which of the following will you use to determine and select a replacement?
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Correct Answer(s):
 - The form factor and wattage
Explanation:
The computers form factor and the capacity of the power supply in watts is used to determine the replacement unit.
87. The speed of transmission of a 10BaseT cabling system is ____.
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Correct Answer(s):
 - 10 Mbps
Explanation:
The 10Base T system operates at 10Mbps and uses baseband transmission methods.
93. On today's motherboards the Southbridge chipset controls the communication between the processor and which of the choices given? (Choose two)
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Correct Answer(s):
 - USB bus
 - Serial Ports
Explanation:
The Northbridge chipset controls communications between the CPU, memory, PCI and AGP busses. The Southbridge actually uses the PCI bus to handle the I/O ports, USB and the IDE controller.
94. Which of the following video interfaces would you use for a PC gamer?
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Correct Answer(s):
 - PCIe
Explanation:
PCIexpress is currently the best video interface available for the PC platform.
96. You have just installed a modem card into your Windows XP computer, which of the following is true about the installed modem? The modem will be on . . .
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Correct Answer(s):
 - the first available COM port
Explanation:
When Windows XP installs a Modem, it installs it onto the next available COM port.
97. Which of the following are the steps required to install a USB peripheral assuming that Windows 2000 OS includes the device driver for that peripheral and that the USB ports are functional?
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Correct Answer(s):
 - Plug in the device while the system running Windows 2000 will automatically recognize the device, install the drivers and activate the device.
Explanation:
USB is a hot-pluggable technology, plug in the USB\ndevice and Windows 2000 should automatically detect the device and install the\nappropriate drivers.
98. Which of the following are characteristic of a peer to peer networking? (choose two)
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Correct Answer(s):
 - Computer acting as both client and a server.
 - Limited number of computers involved.
Explanation:
A peer-to-peer network should only contain a limited number of computers, typically not more than 10. All computers are peers acting as both clients and servers. There is no dedicated server.
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