jawaban it essential chapter1-6

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IT Essential v4.1 Chapter 1 1.Which type of ROM can be reprogrammed with software while it is still physically installed in the computer? *ROM 2.Why are solid state drives reliable and therefore suitable to be installed in computers used in harsh industrial workplaces? *They consume less power and have no moving parts. 3.Which three devices are considered output devices? (Choose three.) *headphones *monitor *printer 4.Which three system resources are commonly used for communication between the CPU or memory and other components in the computer? (Choose three.) *IRQ *DMA *I/O address 5.Which two activities are normally controlled by the Northbridge part of the chip set? (Choose two.) *access to the RAM *access to the video card 6.Which expansion slot would be used to install a video capture card in a new computer? *Peripheral Component Interconnect-Express 7.A technician needs to back up 4 GB of data using a single storage medium. Which medium can hold the entire 4 GB on a single disc? *DVD+/-R 8.Which type of memory is primarily used as cache memory? *DRAM 9.Which type of RAM chip has the fastest clock rate but consumes the least power and generates the least heat? *DDR3 SDRAM 10.PATA data cables are available in two different types. The types are distinguished by the number of conductors. Which two types are available? (Choose two.)

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Page 1: jawaban it essential chapter1-6

IT Essential v4.1 Chapter 1

1.Which type of ROM can be reprogrammed with software while it is still physically installed in the computer?*ROM2.Why are solid state drives reliable and therefore suitable to be installed in computers used in harsh industrial workplaces?*They consume less power and have no moving parts.3.Which three devices are considered output devices? (Choose three.)*headphones*monitor*printer4.Which three system resources are commonly used for communication between the CPU or memory and other components in the computer? (Choose three.)*IRQ*DMA*I/O address5.Which two activities are normally controlled by the Northbridge part of the chip set? (Choose two.)*access to the RAM*access to the video card6.Which expansion slot would be used to install a video capture card in a new computer?*Peripheral Component Interconnect-Express7.A technician needs to back up 4 GB of data using a single storage medium. Which medium can hold the entire 4 GB on a single disc?*DVD+/-R8.Which type of memory is primarily used as cache memory?*DRAM9.Which type of RAM chip has the fastest clock rate but consumes the least power and generates the least heat?*DDR3 SDRAM10.PATA data cables are available in two different types. The types are distinguished by the number of conductors. Which two types are available? (Choose two.)*40*8011.Which two characteristics are determined by the chip set on a motherboard? (Choose two.)*maximum amount of memory that can be installed*type of connectors that will be on the motherboard12.A technician is helping a customer compare two hard drives. Which unit of measurement is used for the hard drive speed?*revolutions per minute13.Which important feature is offered by the USB standard?*It can supply power from the computer to devices.

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14.Which CPU architecture uses a small set of instructions that are designed to be executed rapidly?*RISC15.Which type of memory is unable to have the contents modified?*ROM16.Which two devices are considered input devices? (Choose two.)*biometric authentication device*digital camera17.Which technology would be best to use for drive redundancy and data protection?*RAID18.Which two characteristics of a motherboard can be determined by the form factor? (Choose two.)*size*shape19.What is the function of a capture card?*enables a video signal to be recorded to the computer hard drive20.Which two form factors are commonly used to build a new computer? (Choose two.)*BTX*ATX21.Which type of computer resources are direct lines to the processor used by computer components to request information from the CPU?*IRQs

22.

Refer to the exhibit. Which type of cable is shown in the graphic?*Serial23.Which two categories are used to classify CPU architecture? (Choose two.)*CISC*RISC24.What are the two connector types for the 1394a interface? (Choose two.)*4-pin

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*8-pin25.A company employee has very important data on a computer. What RAID level should be used if the criteria include that data be written and read simultaneously and that all data be duplicated using a minimum of three drives?*5

26.

Refer to the exhibit. Based on the advertisement that is shown, what is the native resolution of this computer system?*1280 x 80027.How many conductors are found in a SATA data cable?*728.A customer orders a new computer and specifies an internal read-write, non-volatile storage device that uses low power, has fast access to data, and is reliable. What is a suitable storage device that meets these requirements?*solid state drive

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IT Essential v4.1 Chapter 2

1 Which three computer components contain hazardous materials and require special handling for disposal? (Choose three.)*batteries*monitors*printer toner cartridges2 A technician accidentally spills a cleaning solution on the floor of the workshop. Where would the technician find instructions on how to properly clean up and dispose of the product?*the material safety data sheet3 Which two tools can help protect against ESD? (Choose two.)*antistatic wrist strap*antistatic mat4 Refer to the exhibit. Which type of tool is presented in the graphic?*Phillips-head screwdriver5 Which precaution should be taken when working around electronic devices?*Avoid using magnetized tools.6 Which step should be performed first when servicing computer equipment?*Turn off and remove the power source.7 Which condition refers to a sudden increase in voltage, which is usually caused by lightning?*spike8 A technician has a room of computers which are running very hot. The technician discovers that the heat sinks in the computers are very dusty. What should the technician use to clean the heat sinks?*compressed air9 Which tool in Windows XP gives a technician access to initialize disks and create partitions?*Disk Management10 The performance of a computer is reduced after it has been using the Internet. Which three tools could be run to try to improve the performance of the computer? (Choose three.)*Spyware Remover*Defrag*Disk Cleanup11 Which two types of tools can help protect a computer from malicious attacks? (Choose two.)*Anti-virus software*Spyware Remover12 Which Windows XP command-line utility scans the critical files of the operating system and replaces any files that have been corrupted?*System File Checker13 Which characteristic defines EMI?*electromagnetic fields that are used to reshape weak signals that are affected by external noise

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14 Which computer components must a technician never try to work on when wearing an antistatic wrist strap?*CRT monitor15 Which condition refers to a reduced voltage level of AC power that lasts for a period of time?*brownout16. What is recommended to remove dust from inside a computer case?*can of compressed air17. Refer to the exhibit. Which type of tool is shown in the graphic?*digital multimeter18 Which tool should be used if a user needs to optimize space on a hard drive?*Format19 What are two significant sources of EMI? (Choose two.)*infrared mice*electrical storms20 A technician wants to limit the chances of ESD affecting his workspace. Which three precautions should be taken? (Choose three.)*Ensure antistatic mats are on the workbench and floor.*Wear an antistatic wrist strap.*Keep all components in antistatic bags.21 What is the proper way to dispose of outdated CRTs?*All of the components should be disposed of in compliances with local environmental regulations.-  to 3 questions the answer is up to you, because it is about your opinion -

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T Essential v4.1 Chapter 3

1 Refer to the exhibit. Which type of port is shown?*RJ452 After a technician has assembled a new computer, it is necessary to configure the BIOS. At which point must a key be pressed to start the BIOS setup program?*during the POST3 A technician is troubleshooting a computer that has a malfunctioning floppy drive. The technician observes that the floppy drive light remains lit constantly. How should the technician attempt to repair the problem?*Connect the data cable making sure that the colored stripe on the cable is aligned with pin 1 on the drive and the motherboard.4 What is a convenient way that a technician can tell whether a ribbon cable is for an IDE hard drive or a floppy drive?*The floppy cable motherboard connector is normally gray.5 Which action is recommended to prevent the motherboard from contacting the metal base of the case?*Use standoffs to keep the motherboard above the metal base.6 A technician is installing a new power supply in a computer. Which type of power connector should be used to connect to a PATA hard drive?*Molex7 Which solution should be used to clean a CPU and a heat sink?*isopropyl alcohol8 Which type of drive is installed in a 5.25-inch bay?*floppy drive9 What is the most reliable way for users to buy the correct RAM to upgrade a computer?*Check the motherboard manual or manufacturer’s website.10 A technician is assembling a new computer. Which two components are often easier to install before mounting the motherboard in the case? (Choose two.)*CPU*memory11 A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?*It issues a number of short beeps.12 Which additional 4-pin or 6-pin power connector is required by some motherboards?*AUX13 Refer to the exhibit. Which type of hard drive uses the power connector shown?*SATA14 Which port is typically used for external wireless NICs?*USB15. A field technician has been asked to install a wireless 802.11g NIC in a computer, but is unsure about the expansion slots available. Which two types of wireless NICs should the technician have available? (Choose two.)*PCIe*PCI

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16. A technician is installing a new power supply in a computer. Which type of power connector should be used to connect to a floppy drive?*Berg17. Which internal component of a computer uses a 3-pin power connector?*fan18. When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)*hard drive*floppy drive19. How many pins are in a SATA data cable connector?*720. A technician is installing a new CPU in a ZIF socket on a motherboard. What is the primary way of securing the CPU in place?*load lever.

IT Essential v4.1 Chapter 5

1. Refer to the exhibit. During a Windows Vista installation, the Select Your Computer’s Current Location screen fails to display. What could be a possible reason for the absence of this screen?*The network card driver was incorrectly installed.2. When troubleshooting a printer problem, a technician finds that the operating system was automatically updated with a corrupt device driver. Which solution would resolve this issue?*Roll back the driver.3. Which three settings are available to personalize the appearance of the desktop on a Windows Vista computer? (Choose three.)Theme, Screensaver and Mouse Pointers4. In which two situations should a technician create a restore point? (Choose two.)*before an operating system update*before installing a new device driver5 .A user is running Windows Vista and has an application that runs in Windows XP but the application fails to run in Vista. In which Vista mode should the user try running the application?*compatibility mode6. A user in a large manufacturing company uses a PC that is connected to the company network. Where should the user look to find a server attached to the network?*My Network Places7. Refer to the exhibit. During the installation of Windows Vista, you are prompted with a screen that asks for a username and password. What type of account is created when you select Next after entering a username and password?

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*The user account that can change security settings, install software, and make changes to other user accounts.8. A technician has a computer that is unable to boot Windows XP properly. The technician has decided that it is necessary to attempt a repair of XP. Which utility will be run if the technician selects Repair XP from the XP boot disk?*Recovery Console9. When a computer boots from the Windows Vista disc, which three functions are performed if the Custom (advanced) option is selected? (Choose three.)*Changes to disk partitions can be made.*A clean copy of Windows Vista is installed.*The location of the Windows installation can be selected.10. What are two features of upgrading Windows 2000 to Windows XP? (Choose two.)– Windows 2000 applications and settings are kept.– Upgrading to Windows XP is quicker than a new installation of Windows XP.11. Which set of guidelines is used to ensure that programmers develop applications that are compatible with an operating system?*API12. A user decides to install a new version of Windows Vista but needs to retain the configurations and customizations of the current Windows XP operating system. Which software can be used to achieve this?*Windows User State Migration Tool13. A technician has finished installing Windows XP. What should the technician do to verify that all hardware has been installed correctly?*Use the Device Manager utility to ensure that all the devices are operational.14. A technician has many new computers to set up. The technician completely configures one master computer and makes an image of the hard drive. This image is then installed on the other computers. What is this process called?*disk cloning15. A technician thinks that the file system on a computer has a problem because Windows XP is reporting data integrity issues. Which Windows XP utility will check the file system for errors?*Chkdsk16. While performing preventive maintenance, a technician notices that the operating system is missing updates. How can the technician enable automatic updates?*Run the Automatic Updates utility from the Control Panel.17. Windows Vista has a feature called the Sidebar. Which three types of items can be contained within the Sidebar? (Choose three.)*games*sticky notes*clock18. A technician is attempting to create multiple partitions on a hard disk. This will allow for storing the operating system and data files on separate partitions. What is the maximum number of primary partitions per hard drive that is supported by Windows XP?*4

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19. A technician needs to upgrade the file system on a Windows XP computer from FAT32 to NTFS. Which course of action should be taken to upgrade the file system to NTFS?*Run the Microsoft Convert utility.20. A user reports that a Windows XP system is unable to boot properly. How can the technician advise the user to boot into Safe Mode?*Reboot the system, press and hold F8 until a menu is displayed, and then select Safe Mode.21. A technician installing Windows Vista has come to the point where the product activation key is requested. What occurs if a product key is unavailable?*The user will be asked for a product key, but the installation can continue without a key.22. Once minimum hardware requirements are satisfied, where should a technician look to determine if the computer hardware has been tested with Windows XP?*the Windows XP Hardware Compatibility List23. A company with 40 computers needs to reduce repair costs, decrease downtime, and improve reliability. Which task will meet these needs?*Develop a preventive maintenance plan.24. . Which operating mode is used by Windows XP to run a DOS application?Virtual real mode25. What would be the result of having a corrupt Master Boot Record?*The operating system will fail to start.26. What are three features of the Microsoft Management Console (MMC)? (Choose three.)– It can be used to create customized MMCs.– It organizes operating system snap-ins.– It requires administrative privileges to access..27. As a user attempts to boot the computer, the message “NTLDR is missing” is observed on the screen. What will result from this situation?*The operating system will fail to load.28. A user installs a new sound card driver in a computer that is working properly. After installing the driver for the new sound card the computer fails to boot. Which quick fix can the user implement to return to the previous working state?*boot to Last Known Good Configuration29. A technician needs to upgrade the operating system on a computer from Windows 2000 Professional to Windows XP Professional. When the technician inserts the XP disc in the computer, the setup wizard fails to start. Which command can be used to start the upgrade?*winnt3230. A technician has installed new video drivers on a Windows XP computer and now the monitor shows distorted images. What startup mode can the technician use to access a new driver on the network?*Safe Mode

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IT Essential v4.1 Chapter 6

1. What is meant by a laptop device being hot-swappable?*The laptop does not need to be powered off to install or remove the device.2. Where can a technician change the power schemes on a laptop running Windows XP?*Select Power Options from within the Control Panel.3. What is the proper way to clean optical drives?*Use a cleaning disc for optical drives.4. Which generation of cell-phone standards was the first to deal with how to send and receive text, photographs, and video?*third5. Which name is given to the collection of settings that control the power settings of a laptop?*power schemes6. Refer to the exhibit. What is the correct order of steps to remove a laptop battery?*2, 3, 4, 17. A technician is responding to a helpdesk ticket for a laptop that has a distorted image of the Windows desktop. What is one possible solution?*Obtain an updated display driver from the laptop manufacturer.8. Which three components are interchangeable between desktop and laptop computers? (Choose three.)*printer*scanner*USB flash drive9. Refer to the exhibit. A laptop has these graphics on specific keys on the keyboard. Which key would be used in conjunction with the Fn key to connect a laptop to an external monitor?*F810. What power mode is commonly known in the Windows environment as suspend mode?*S411. Which Windows XP or Vista control panel is used to reduce power when the computer has not been used by anyone for an hour?*Power Options12. Which two characteristics make laptops a better choice than desktop computers? (Choose two.)*mobility*size13. During the set up of a network connection, which option can be double-clicked to configure an IP address on an Ethernet NIC?*TCP/IP or TCP/IPv414. Which type of interface do current laptops use to achieve similar expansion capabilities as desktops?*PC ExpressCard15. Which two actions should be performed to clean the surface of CDs and DVDs? (Choose two.)

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*Use a lint-free cotton cloth.*Wipe the disc from the center outward.16. Which two devices can be individually configured within Windows XP to power off after the laptop has been idle for a given period of time? (Choose two.)*disk drive*monitor17. A technician is replacing a laptop SODIMM. With what component is the technician working?*RAM18. Which internal laptop component may be designed as a hot-swappable device?*optical drive19. Which two devices are commonly hot-swappable on laptops? (Choose two.)*PC Card*USB Drive20. How should a hot-swappable device normally be removed from a laptop?*Use the Safely Remove Hardware systray icon.21. Which option within the Windows Control Panel is used to install a modem?*Phone and Modem Options22. Which display technology is most commonly found in modern laptop computers?*LCD23. Which two laptop ports are used primarily for communication and network connectivity? (Choose two.)*Ethernet*modem24. What feature is provided by an auto-switching power supply on a laptop?*The laptop can switch from AC input power or battery-provided power instantaneously.25. A technician has been called in to troubleshoot a laptop that fails to power on. The technician repeatedly pushes the power button without any results. What should the technician do next?*Attach the AC adapter.26.What is the major difference between desktop and laptop motherboards?*Desktop motherboards typically have a standard form factor and are interchangeable while laptop motherboards are proprietary.27. Which three components commonly connect to USB or FireWire ports? (Choose three.)*camera*printer*scanner28. Refer to the exhibit. Which two form factors are supported by the devices shown in the graphic? (Choose two.)*34mm wide*45mm wide