عالم البنات النسائي كل ما يخص المرأة العربية من ازياء وجمال والحياة الزوجية والمطبخ
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.)
*40
*80
11. 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 motherboard
12. A technician is helping a customer compare two hard drives. Which unit of measurement is used for the hard drive speed?
*revolutions per minute
13. Which important feature is offered by the USB standard?
*It can supply power from the computer to devices.
14. Which CPU architecture uses a small set of instructions that are designed to be executed rapidly?
*RISC
15. Which type of memory is unable to have the contents modified?
*ROM
16. Which two devices are considered input devices? (Choose two.)
*biometric authentication device
*digital camera
17. Which technology would be best to use for drive redundancy and data protection?
*RAID
18. Which two characteristics of a motherboard can be determined by the form factor? (Choose two.)
*size
*shape
19. What is the function of a capture card?
*enables a video signal to be recorded to the computer hard drive
20. Which two form factors are commonly used to build a new computer? (Choose two.)
*BTX
*ATX
21. 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?
*Serial
23. Which two categories are used to classify CPU architecture? (Choose two.)
*CISC
*RISC
24. What are the two connector types for the 1394a interface? (Choose two.)
*4-pin
*8-pin
25. 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 800
27. How many conductors are found in a SATA data cable?
*7
28. 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
29. Which three computer components contain hazardous materials and require special handling for disposal? (Choose three.)
*batteries
*monitors
*printer toner cartridges
30. 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 sheet
31. Which two tools can help protect against ESD? (Choose two.)
*antistatic wrist strap
*antistatic mat
32. Which precaution should be taken when working around electronic devices?
*Avoid using magnetized tools.
33. Which step should be performed first when servicing computer equipment?
*Turn off and remove the power source.
34. Which condition refers to a sudden increase in voltage, which is usually caused by lightning?
*spike
35. 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 air
36. Which tool in Windows XP gives a technician access to initialize disks and create partitions?
*Disk Management
37. 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 Cleanup
38. Which two types of tools can help protect a computer from malicious attacks? (Choose two.)
*Anti-virus software
*Spyware Remover
39. Which Windows XP command-line utility scans the critical files of the operating system and replaces any files that have been corrupted?
*System File Checker
40. Which characteristic defines EMI?
*electromagnetic fields that are used to reshape weak signals that are affected by external noise
41. Which computer components must a technician never try to work on when wearing an antistatic wrist strap?
*CRT monitor
42. Which condition refers to a reduced voltage level of AC power that lasts for a period of time?
*brownout
43. What is recommended to remove dust from inside a computer case?
*can of compressed air
44. Which tool should be used if a user needs to optimize space on a hard drive?
*Format
45. What are two significant sources of EMI? (Choose two.)
*infrared mice
*electrical storms
46. 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.
47. What is the proper way to dispose of outdated CRTs?
*All of the components should be disposed of in compliances with local environmental regulations.
48. 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 POST
49. 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.
50. 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.
51. 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.
52. 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?
*Molex
53. Which solution should be used to clean a CPU and a heat sink?
*isopropyl alcohol
54. Which type of drive is installed in a 5.25-inch bay?
*floppy drive
55. 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.
56. 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
*memory
57. 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.
58. Which additional 4-pin or 6-pin power connector is required by some motherboards?
*AUX
59. Which port is typically used for external wireless NICs?
*USB
60. 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
61. 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?
*Berg
62. Which internal component of a computer uses a 3-pin power connector?
*fan
63. When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)
*hard drive
*floppy drive
64. How many pins are in a SATA data cable connector?
*7
65. 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.
66. 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.
67. Which three settings are available to personalize the appearance of the desktop on a Windows Vista computer? (Choose three.)
*Theme
*Screensaver
*Taskbar Properties
68. In which two situations should a technician create a restore point? (Choose two.)
*before an operating system update
*before installing a new device driver
69. 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 mode
70. 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 Places
71. 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 Console
72. 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.
73. What are two features of upgrading Windows 2000 to Windows XP? (Choose two.)
*The file system is upgraded to NTFS.
*Windows 2000 applications and settings are kept.
74. Which set of guidelines is used to ensure that programmers develop applications that are compatible with an operating system?
*API
75. 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 Tool
76. 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.
77. 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 cloning
78. 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?
*Chkdsk
79. 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.
80. Windows Vista has a feature called the Sidebar. Which three types of items can be contained within the Sidebar? (Choose three.)
*games
*sticky notes
*clock
81. 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
82. 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.
83. 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.
84. 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.
85. 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 List
86. 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.
87. Which operating mode is used by Windows XP to run a DOS application?
*real mode
88. What would be the result of having a corrupt Master Boot Record?
*The operating system will fail to start.
89. What are three features of the Microsoft Management Console (MMC)? (Choose three.)
*MMC logs a history of application events.
*It organizes operating system snap-ins.
*It displays computer performance information.
90. 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.
91. 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 Configuration
92. 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?
*winnt32
93. 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
94. 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.
95. Where can a technician change the power schemes on a laptop running Windows XP?
*Select Power Options from within the Control Panel.
96. What is the proper way to clean optical drives?
*Use a cleaning disc for optical drives.
97. Which generation of cell-phone standards was the first to deal with how to send and receive text, photographs, and video?
*third
98. Which name is given to the collection of settings that control the power settings of a laptop?
*power schemes
99. 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.
100. Which three components are interchangeable between desktop and laptop computers? (Choose three.)
*printer
*scanner
*USB flash drive
101. What power mode is commonly known in the Windows environment as suspend mode?
*S4
102. 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 Options
103. Which two characteristics make laptops a better choice than desktop computers? (Choose two.)
*mobility
*size
104. 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/IPv4
105. Which type of interface do current laptops use to achieve similar expansion capabilities as desktops?
*PC ExpressCard
106. Which two actions should be performed to clean the surface of CDs and DVDs? (Choose two.)
*Use a lint-free cotton cloth.
*Wipe the disc from the center outward.
107. 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
*monitor
108. A technician is replacing a laptop SODIMM. With what component is the technician working?
*RAM
109. Which internal laptop component may be designed as a hot-swappable device?
*optical drive
110. Which two devices are commonly hot-swappable on laptops? (Choose two.)
*PC Card
*USB Drive
111. How should a hot-swappable device normally be removed from a laptop?
*Use the Safely Remove Hardware systray icon.
112. Which option within the Windows Control Panel is used to install a modem?
*Phone and Modem Options
113. Which display technology is most commonly found in modern laptop computers?
*LCD
114. Which two laptop ports are used primarily for communication and network connectivity? (Choose two.)
*Ethernet
*modem
115. 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.
116. 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.
117. 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.
118. Which three components commonly connect to USB or FireWire ports? (Choose three.)
*camera
*printer
*scanner
119. Which printing technology uses the vibration of a crystal to control the flow of ink onto the paper to produce an image?
*electrostatic
120. Which printer technology is used in low-cost, photo-quality printers?
*inkjet
121. What laser printer component could cause streaking?
*drum
122. Which step of the laser printing process involves scanning the photosensitive drum with a laser?
*writing
123. Which software, embedded in a printer, controls how the printer operates and can be upgraded?
*firmware
124. What is a common disadvantage of inkjet printers?
*The nozzles can get obstructed.
125. What is the best source for a Windows-compatible scanner driver?
*website for scanner manufacturer
126. What are two advantages of using impact printers? (Choose two.)
*carbon-copy printing ability
*inexpensive consumables
127. Which standard governs the use of parallel printer ports?
*IEEE 1284
128. Which technology is used by laser printers?
*electrophotographic
129. Which Windows XP command sends a file named example.txt to the default printer?
*print example.txt
130. Instead of the document that was expected, a printer is printing unusual characters. What should be the next steps in solving this printer problem?
*Check the printer data cabling. If the cabling is secure on both ends, replace the print cartridge or ribbon.
131. Which type of printer is commonly used in stores to produce cash register receipts?
*thermal
132. Which two names refer to the IEEE 1394 standard? (Choose two.)
*FireWire
*i.Link
133. Which three functions are commonly included in the all-in-one devices? (Choose three.)
*fax
*printer
*scanner
134. A museum possesses several old paintings that the curators wish to reproduce and sell in the museum gift shop. Which type of scanner can be used to produce the highest-quality reproduction?
*drum
135. Which two modes of operation within the IEEE 1284 standard allow bi-directional communication? (Choose two.)
*ECP
*EPP
136. Which unit is commonly used to measure the print quality of an inkjet printer?
*DPI
137. Which step of the laser printing process is the last step performed by a laser printer when printing a document?
*fusing
138. Which software converts scanned pages into text?
*Optical Character Recognition
139. What is typical of a network printer installation?
*the use of Ethernet or wireless
140. What is the maximum number of devices that can be connected to a single FireWire interface?
*63
141. What is an advantage of using a solid-ink printer instead of an inkjet printer?
*It produces vivid color prints.
142. Which two Wi-Fi standards are used to provide a wireless connection between printers and computers? (Choose two.)
*802.11b
*802.11g
143. Which laser printer component is a metal cylinder that is coated with a light-sensitive insulating material?
*drum
144. What must be done to ensure that the anti-virus software on a computer is able to detect and eradicate the most recent viruses?
*Download the latest signature files on a regular basis.
145. Which type of software is downloaded onto the computer of a user without the knowledge of the user and causes information about various products to be displayed on the user’s monitor?
*adware
146. Which threat to security uses traffic from zombie computers to overwhelm servers?
*DdoS
147. Which two items can be downloaded from the Microsoft website to help protect Windows XP? (Choose two.)
*service packs
*security patches
148. Which two characteristics describe a worm? (Choose two.)
*Is self-replicating.
*Travels to new computers without any intervention or knowledge of the user.
149. What is the best method for a company to secure data being transmitted across the Internet between remote sites?
*Use computers secured with smartcard authentication.
150. What is the preferred wireless encryption technique if the wireless clients support it?
*WPA
151. A fingerprint reader is an example of which security technology?
*biometric
152. Which type of authentication is evidenced by the use of a small chip on a card that contains user identification data such as bank account numbers and digital signatures?
*smart card
153. Which type of program causes banners and ads to appear on the desktop without any user intervention?
*adware
154. A technician has downloaded the latest Windows XP updates from the Microsoft website. What should the technician do before installing the updates?
*Create a restore point.
155. An attacker has managed to decode the encrypted messages of a wireless network. The network uses Windows XP and Cisco equipment. The security protocol that is used is WEP with 64-bit encryption. Which action can be recommended to the technician for securing the network?
*Upgrade to the LEAP wireless security protocol.
156. An employee for a small company inadvertently allows a visitor to see their username and password. At home, the visitor then uses this information to gain access to the company network. This is an example of what type of threat?
*social engineering
157. Where is the safest place to store backups?
*locked server room
158. A bank is upgrading the hard drives in a server. What should be done to the old hard drives to permanently remove any confidential data?
*Destroy the hard drives with a hammer.
159. Which two statements are true about username and password standards? (Choose two.)
*The username naming convention should be kept simple.
*Rules about password expiration and lockout should be defined
160. When setting up a new wireless access point, which basic security measure should be taken?
*Disable SSID broadcast.
161. Which three suggestions are good security password policies that a company or individual should follow? (Choose three.)
*Password length should be limited to five characters.
*Passwords should have an expiration period.
*A mix of letters, numbers, and other characters should be used.
162. An attacker claiming to be a bank representative contacts a potential victim via e-mail and requests disclosure of vital account information. Which security attack is being implemented?
*phishing
163. A network administrator is looking for a technology that includes both hardware and software authentication. Which technology could the administrator use?
*Trusted Platform Module (TPM)
164. Which statement accurately describes the WEP standard?
*WEP is a first generation security standard for wireless communication.
165. What are two examples of malware? (Choose two.)
*spyware
*grayware
166. Which three security storage features are supported by the TPM hardware module? (Choose three.)
*encryption keys
*digital certificates
*passwords
167. A financial organization is donating computers to a local charity. What is the best method to remove all data from the hard drives in the computers?
*Use data wiping software and delete any hard drive partitions.
168. Which wireless security technology is a good choice when using Cisco equipment in conjunction with operating systems such as Windows and Linux?
*LEAP
169. Which best practice should be included in a password protection policy?
*Implement lockout rules upon consecutive unsuccessful attempts at accessing the system.
170. Which is the best procedure to secure a laptop left at the office while the user is away for an extended period of time?
*Place the laptop in a locked security cage designed to store computer equipment.
