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120 Cards in this Set
- Front
- Back
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Of the two exams you must pass to become A+ certified what does each one focus on? CompTIA A+ 220-801 CompTia A+ 220-802 |
801- Focuses on Computer set-up, hardware, networking and basic operation 802- Focuses on computers after set-up. including configuration, repair, and troubleshooting |
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What does a Molex Connector connect? |
Optical drives |
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What does a Berg connector connect? |
Floppy drive |
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What does a SATA connector connect? |
Optical or Hard drives |
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What type of connection is used to connect the motherboard? |
20-24 pin connector |
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What connector supplies power to all areas of the motherboard? |
4-8 pin |
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Where do you find wattage information for a component> |
Manufacturers documentation |
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Which component controls the access to the RAM, video card and the speeds at which the CPU can communicate with them? |
North bridge |
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Which components allows the CPU to communicate with the Hard drives, sound card, USP ports and other I/O ports? |
South bridge |
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What is PGA? |
Pin grid array, pins are on the CPU chip |
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What is LGA? |
Land grid array, pins are on the socket. |
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What is ZIF? |
Zero insertion force, it fits only one way and no force is needed to set it. |
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What is Hyperthreading? |
Multiple threads of data are done at the same time. |
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What is hypertransport? |
Highspeed, low latency between the CPU and North bridge |
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What is Overclocking? |
Technique used to make the processor faster. |
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What is CPU throttling? |
Technique used to get the processor running slower |
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What is Stored in ROM? |
Basic Operations and instructions |
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Describe a safe work station |
Clean, organized, and properly lit |
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Which type of fire extinguisher is used for paper, wood, plastics and Cardboard? |
type A |
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What is type C extinguisher used for? |
Electrical Fires |
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What is ESD? |
Electro-static discharge |
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What are two things that can prevent ESD damage? |
Use an anti-static mat, wristband or bags |
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What is EMI? |
Electro-magnetic interferance |
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What is RFI? |
Radio Frequency interferance |
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What are 4 appropriate cleaning tools? |
Soft lint free cloth, compressed air, cable ties, parts organizer, small ESD vacuum cleaner |
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What is used to create and delete partitions on a hard drive? |
FDISK |
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What tool checks the integrity of files and folders on a hard drive by scanning the files, it also may check the disk for physical errors? |
Scandisk |
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When servicing a customer's computer, how should a technician proceed? |
In a Logical manner |
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How many pins does the ATX main power connector have? |
24 |
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How many pins are on a SATA power connector? |
15 |
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What is troubleshooting? |
Systematic process used to locate the cause of a problem and correct it. |
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Why should you do preventive maintenance? |
reduce potential problems, extends life improves protections, improves stability, reduces amount of equipment failures |
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What should be done in hardware maintenance? |
Check cables, components and peripherals. Clean components, and repair or replace anything that shows signs or damage. |
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What are two things that need to be done before beginning software tasks? |
Create a backup, and make sure software is current |
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What is optimal running conditions for a computer? |
Temperature between 7-32 degrees Celsius. Humidity between 10-80% |
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What needs to be done if a customer does not have a backup and one cannot be created? |
They must sign a liability release. |
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What are three common areas of computer problems? |
Storage, Motherboard components, power supply |
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Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
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Switches |
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Which technology would be recommended for a business that requires workers to access the Internet while visiting customers at many different locations?
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Cellular |
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What is a characteristic of the UDP protocol?
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TCP is a connection oriented protocol that provides for error recovery and guaranteed delivery mechanisms while UDP offers connectionless delivery and has fewer fields in the packet header than TCP.
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When would a printer be considered a network host?
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When a printer is connected directly to a networking device, such as a hub, switch, or router, it is considered to be a network host.
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What is identified by the 100 in the 100BASE-TX standard?
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The 100BASE-TX standard defines a maximum bandwidth of 100 Mb/s. The 100 is the bandwidth, BASE is for baseband, and TX is twisted-pair cabling.
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Which key or key sequence pressed during the boot process will allow a user to start a Windows PC using the last known good configuration?
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F8 |
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What are two consequences of setting an incorrect boot order in the system BIOS?
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When the boot order is not set correctly in the BIOS, the BIOS cannot locate a valid OS to boot the computer. Error messages, such as "Missing NTLDR" (for Windows XP) or "Invalid Boot Disk" (for Windows Vista and 7), may display.
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After a Windows operating system has been installed, which program would a technician use to select the programs that will run at startup?
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Msconfig |
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Which command should a computer technician use on a PC to restore protected system files with known good versions?
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SFC |
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A specific computer has an issue that could not be resolved by the help desk technician. The on-site technician finds that Windows updates have been disabled. The technician re-enables the update service, configures the computer for automatic updates, downloads and installs all missing updates, ensures the computer boots successfully, and verifies with the customer that the issue has been resolved. Which step, if any, is next?
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Document it |
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A technician just terminated some fiber optic cable and needs to properly dispose of the hazardous waste created during the termination. Where should the technician look for the proper disposal method for the waste?
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MSDS |
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In the power management settings, which two devices can be set to turn off to conserve battery power?
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hard drive and display are two of the biggest power users in a laptop, they can be set to turn off automatically to conserve power.
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Which two internal expansion slots in laptops are commonly used to install wireless adapter cards?
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Laptops support Mini-PCI, Mini-PCIe, and PCI Express Micro which can be used to support wireless adapters.
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What is a definition for CPU throttling?
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CPU throttling is the ability to alter the CPU clock speed in order to save power during less intensive processing.
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What are two touchscreen characteristics that are used by most mobile devices?
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capacitive and resistive. The capacitive screen is made up of glass that is coated with a conductor. When the user touches the screen, there is an interruption of the screen electrical field. The resistive has transparent layers of material capable of conducting electricity, with a small air gap between them.
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Which two interface types make it possible to attach different external components to laptops and desktops without powering the computer off?
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Firewire and USB |
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Which three rules increase the level of password strength?
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Passwords should be a combination of letters and numbers, Passwords should be changed by the user after specific periods of time, Password expiration and lockout policies should be clearly defined.
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What characterizes spoofing?
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Making data appear to come from a source other than the actual source.
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When installing a network adapter into a client computer, a technician notices that the contacts on the adapter need to be cleaned. Which solution should the technician use to clean the contacts?
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isopropyl alcohol
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Which three things should be investigated first when troubleshooting a printer?
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equipment power, low-ink warning, and out of paper
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Which protocol dynamically assigns IP addresses to network devices?
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DHCP |
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Which type of cable standard uses a 9-pin connector and supports data rates in excess of 800 Mbps?
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IEE1394b |
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A technician needs to purchase a new video adapter for a computer. Which factors should be considered when selecting the adapter?
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Slot Type |
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A technician is planning to convert a file system from FAT32 to NTFS. What step should be taken before doing the conversion?
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Create a complete system backup.
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Which power management method offers the most power management features?
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ACPI |
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A user reports that a printer is printing unknown characters on documents. What is a possible solution to this issue?
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Uninstall and reinstall the printer driver.
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The IT department reported that the web server is receiving an abnormally high number of web page requests from different locations simultaneously. Which attack characterizes this type of situation?
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DDos |
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What is the best way to fully ensure that data is unable to be recovered from a hard drive?
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shattering the hard drive platters with a hammer
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A customer is experiencing repeated paper jams on a laser printer. Which quick solution might correct this problem?
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Replace the Paper with new stuff |
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A laptop user has noticed that connecting an external monitor, keyboard, and speaker each day is causing damage to the laptop connectors. What can the user do to prolong the life of the connectors?
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Use a docking station.
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A Windows XP laptop user finds that the low battery alarm does not give enough warning. Where can the user adjust the alarm setting to issue an earlier warning?
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IN power options properties |
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A network administrator has finished migrating from a peer-to-peer network to a new client-server network configuration. What are two advantages of the new configuration?
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Data is more secure in the event of hardware failures. and Data resources and access are centrally controlled.
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What must be done before a technician cleans a very dirty LCD screen on a laptop?
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remove the battery
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A technician has been asked to find how a hacker keeps breaking in to a computer. Which security precaution was most likely missed when the operating system was first installed?
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A password was not assigned to the default administrator account.
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A technician notices that an application is not responding to commands and that the computer seems to respond slowly when applications are opened. What is the best administrative tool to use correct this problem?
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Task manager |
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A technician installed Windows XP on a 20 GB SCSI drive but when the computer is started a NTLDR error message is displayed. Based on this information which file was most likely corrupted during installation?
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NTBOOTDD
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At which TCP/IP model layer would a MAC address be found?
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network access
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What are two functions of a VPN gateway
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establish secure VPN connections and manage VPN tunnels
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What are two network requirements necessary to establish a VPN connection between a remote computer and a private company LAN?
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Internet access and VPN client
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A customer reports poor telephone communications when using a copper telephone line that also has a DSL service. What is the most likely cause of the problem?
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The DSL filter is faulty or not connected.
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Why does the cable from the power supply to the motherboard have different colored wires?
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Each wire carries a different voltage.
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Which option is the most secure type of user authentication?
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fingerprint scanner
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What two sources of information are used to enable geocaching, geotagging and device tracking on Android and iOS devices
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GPS and Cellular or Wi-Fi network |
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Which cellular standard is an example of a 2.5G transitional standard?
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GPRS |
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Which feature of an Android or iOS mobile device helps prevent malicious programs from infecting the device?
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SANDBOX |
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Which two terms describe unlocking the bootloader of Android and iOS mobile devices to allow a new operating system to be installed
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Rooting or Jailbreaking |
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Which statement describes the Airplane Mode feature found on most mobile devices?
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It turns off cellular, Wi-Fi, and Bluetooth radios on the device.
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Which term is used to describe the process of establishing a connection between any two Bluetooth devices?
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Bluetooth |
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A technician troubleshooting a laptop notices that some keyboard keys are not working properly. What should the technician check first?
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Num lock or Scroll lock key are on |
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Which type of RAM modules are designed for the space limitations of laptops?
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SODIMMs |
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A technician is trying to configure an integrated cellular WAN adapter on a laptop. What is the first step the technician should take to configure the adapter?
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Ensure the device is enabled in the BIOS settings.
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What is the maximum range of a Class 2 Bluetooth network?
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10 meters |
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What is a design consideration for mobile CPUs used in laptops compared with desktop CPUs?
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They require smaller cooling mechanisms than desktops do.
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What is an example of an expansion slot on a laptop?
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Express Card |
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How could a user share a locally connected printer with other users on the same network?
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Shared Printing |
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A technician has determined that uninstalling the current printer driver on a computer and then installing an updated driver could be a possible solution to a printer problem. Which printer problem could this solution resolve?
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The printer does not print a test page. |
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A technician wants to share a printer on the network but according to the company policy, no PC should have a directly connected printer. Which device would the technician need?
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a hardware print server
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What are two disadvantages of sharing a directly connected printer from a computer?
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The computer sharing the printer uses its own resources to manage all the print jobs coming to the printer.
The computer directly connected to the printer always needs to be powered on, even if not in use. |
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What are two potential disadvantages of replacing printer consumables with parts or components that are not recommended by the manufacturer?
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Quality may be poor, and warranty could be void |
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In most cases, which type of document takes longer to be printed?
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Digital color photograph |
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Dots per inch is used as a measure for which characteristic of a printer?
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Quality |
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While troubleshooting a printer problem, a technician discovers that the printer has been connected to the wrong computer port. Which printer problem would this mistake have caused?
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The print queue is functioning, but print jobs are not printed.
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What is the first action that should be taken when performing preventive maintenance on a printer?
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Disconnect the printer from the power source.
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Which method is recommended for cleaning the print heads in an inkjet printer?
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Use the printer software utility.
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What is the definition of the term SLA?
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a legal agreement that contains the responsibilities and liabilities of the service provider
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What does a technician need in order to make changes to software installed on the computer of a customer?
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customer authorization
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During computer forensics investigations, which type of data is lost when power is removed from the computer?
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Data stored in RAM |
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What skill is essential for a level one technician to have?
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the ability to translate a description of a customer problem into a few succinct sentences and enter it into the work order
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What does it mean when a technician receives a "down" call?
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a call where a significant part of the IT infrastructure is down, affecting the ability of the company to do business
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Which statement best describes a call center?
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It is a place to provide computer support to customers.
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What is considered ethical behavior by a technician when communicating with a customer?
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A technician must only send solicited emails.
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Which subject area describes collecting and analyzing data from computer systems, networks, and storage devices, as part of an investigation of alleged illegal activity?
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computer forensics
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Which task would require that a problem be escalated to a level two technician?
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changing CMOS settings
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A laptop keeps shutting down without warning while still connected to a power source. What could cause this problem?
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The laptop is overheating.
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A user complains that a laser printer outputs streaks and lines on every page. What could cause this problem?
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The Drum has failed |
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A laptop is working very slowly. When inspecting the device, the technician sees that the hard drive LED activity indicator is lit for most of the time. A look at the properties of the hard drive shows that 196 GB are available. What would be the best possible solution to this problem?
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Add additional Ram |
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A technician is attempting to fix a laser printer that jams when printing. Which two issues could cause this problem?
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There is dirt or debris in the printer. using the wrong type of paper |
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A user is not able to open several files that are used frequently. A message appears indicating that the files are corrupted. What could cause this problem?
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Hard drive is beginning to fail |
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A user complains that a Windows XP laptop loads files very slowly. The technician notes that the laptop is accessing the hard drive excessively. What are two probable causes for this?
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Requires more RAM or the Hard drive is fragmented |
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A user needs to open some files that are being shared from a remote computer. However, the user receives an "access denied" message when trying to open some files and folders. What is a probable cause of this?
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The user is not a member of the group that has permission to access those resources.
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A network user is attempting to access email, but the email client is repetitively asking for a username and a password. Other users based in the same building are having no issues with the email service. What are the two most likely sources of the problem?
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The username or the password entered are incorrect.
The Caps Lock function is enabled. |
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A user reports that the date and time of a laptop is always incorrect every time the laptop is powered on. What is the problem?
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The CMOS battery requires replacement.
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When leaving a laptop for repair, a customer complains that searching for any file on the laptop is taking an excessive amount of time. The technician returns the laptop and explains that the index service has now been enabled for document folders. At what step of the troubleshooting process is this taking place?
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Document Findings |
