Test
Final Netacad
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Preguntas del test (66)
1What is the purpose of RAID adapters?
- Ato allow older PCI technology expansion slots to be used
- Bto provide enhanced audio and graphic capabilities
- Cto connect multiple storage devices for redundancy or speed
- Dto connect peripheral devices to a PC to improve performance
2Which type of interface should a customer choose if connecting a single cable from a Microsoft Windows computer to output both audio and video to a high definition television?
- ADVI
- BHDMI
- CPS/2
- DDB-15
3Which type of input device can identify users based on their voice?
- Adigitizer
- BKVM
- Cswitchbiometric identification device
- Dscanner
4What type of external storage should be used by a technician to back up over 2 TB of music and video data files?
- ACompactFlash card
- Bexternal flash drive
- Cexternal hard drive
- DSecure Digital card
5What type of device provides power to a computer and allows it to be safely shut down in the event of a power loss?
- Asurge suppressor
- Buninterruptible power supply
- Cstandby power supply
- Dpower inverter
6Which measure can help control RFI effects on wireless networks?
- AEnsure the humidity and temperature levels are set as low as possible.
- BEnsure the number of wireless NICs exceeds the number of wireless phones.
- CEnsure the wireless network is on a different frequency than the offending source.
- DEnsure each wireless NIC is configured to operate at different frequencies from all other wireless NICs.
7What is the purpose of a Safety Data Sheet?
- Ato specify procedures for dealing with potentially hazardous materials
- Bto specify procedures in designing and building common computer systems
- Cto specify procedures for the operation of sensitive components and prevention of electrostatic discharge
- Dto specify procedures in the use of humidity control and prevention of moisture damage
8What can be tested with a digital multimeter?
- Awireless signal strength and access point positioning
- Bbasic functionality of computer ports
- Ccopper cable location
- Dquality of electricity in computer components
9When should a technician avoid wearing an antistatic wrist strap?
- Awhen installing RAM
- Bwhen replacing a power supply unit
- Cwhen installing a hard drive
- Dwhen opening a computer case
10Which solution should be used to clean a CPU and a heat sink?
- Asoap and water
- Brubbing alcohol
- Ca diluted ammonia solution
- Disopropyl alcohol
11Which two types of expansion slots would be used by a wireless NIC in a computer today? (Choose two.)
- APCIe
- BAGP
- CPCI
- DDIMM
- EISA
12When a PC is being assembled, what component is connected to the motherboard with a SATA cable?
- Athe optical drive
- Bthe network interface card
- Cthe video card
- Dthe power supply
13A technician is troubleshooting a computer that is experiencing hardware failure detected by the BIOS. What is one way this failure is indicated?
- AThe computer automatically boots into Safe Mode and displays a warning on the screen.
- BThe screen flashes with a red background and displays a warning message.
- CThe computer emits a pattern of beeps indicating the failing device.
- DThe computer returns an error message that indicates the I/O address of the failing device.
14Which three features can be configured in the BIOS settings to secure a computer? (Choose three.)
- AMAC filtering
- Bdrive encryption
- CTPM
- Dfile encryption
- ETKIP key
- Fpasswords
15What is the most important reason for a company to ensure that computer preventive maintenance is done?
- APreventive maintenance provides an opportunity for junior technicians to obtain more experience in a non-threatening or problem environment.
- BPreventive maintenance helps to protect the computer equipment against future problems.
- CPreventive maintenance allows the IT department to regularly monitor the contents of user hard drives to ensure computer use policies are being followed.
- DPreventive maintenance enables the IT manager to check on the location and state of the computer assets.
16A technician opens up a PC to work on it, and finds that it is very dusty inside. What should the technician do?
- AIgnore the dust, as it does not affect the computer.
- BUse a moistened cotton swab to remove excess dust.
- CUse a can of compressed air to remove excess dust.
- DUse a lint-free cloth sprayed with a cleaning solution to remove excess dust.
17Which built-in tool is available on a Mac OS X machine to perform disk backups?
- ADisk Utility
- BDeja Dup
- CFinder
- DTime Machine
18A computer technician performed a number of actions to correct a problem. Some actions did not solve the problem, but eventually a solution was found. What should be documented?
- Aeverything that was done to try to solve the problem
- Bonly the solution, because this solved the problem
- Conly the failed attempts, so that future technicians will know what not to try
- Da description of the problem and solution
19After a computer is powered on, Windows 7 fails to start. What initial procedure would a technician use to deal with this failure?
- ACreate a System Repair Disc and restore the image.
- BPress the F12 key during the boot process and start the computer in Safe Mode.
- CBoot from a Windows 7 installation media and access the System Restore utility.
- DAccess the Control Panel and choose Restore Files from Backup from the System and Security menu.
20What are two advantages of the NTFS file system compared with FAT32? (Choose two.)
- ANTFS allows faster access to external peripherals such as a USB drive.
- BNTFS supports larger files.
- CNTFS provides more security features.
- DNTFS allows faster formatting of drives.
- ENTFS is easier to configure.
- FNTFS allows the automatic detection of bad sectors.
21What type of hard drive contains flash memory for caching frequently used data but stores the most of the data on a magnetic hard disk drive?
- AUSB flash drive
- Bsolid-state drive
- Cembedded multimedia card
- Dsolid-state hybrid disk
22What does %USERPROFILE% represent in the path C:Users%USERPROFILE%AppDataLocalTemp?
- Athe location of the Documents folder of a particular user
- Ban environment variable that is set by the operating system
- Ca variable set by the administrator for each user of the system
- Da fixed value that represents the level of access of a user to system files
23A 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 force the release of system resources from the unresponsive application?
- ATask Manager
- BAdd or Remove Programs
- CEvent Viewer
- DSystem Restore
24A technician has installed a new sound card in a PC but it is not operating correctly. Where should the technician look to investigate driver problems?
- AComputer Management
- BDevice Manager
- CMy Computer
- DSystem Tools
25Which technology provides a solution for PC virtualization?
- Ahypervisor
- Bserver clustering
- CTerminal Services
- DRAID
26What are two consequences of setting an incorrect boot order in the system BIOS? (Choose two.)
- AThe computer locks up without any error messages.
- BThe computer displays a “BOOTMGR is missing” error after POST.
- CThe computer displays an “Invalid Boot Disk” error after POST.
- DThe computer continually restarts without displaying the desktop.
- EThe computer displays an ‘Inaccessible Boot Device’ error after POST.
27A 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? (Choose two.)
- AThe total cost of the new solution is considerably lower.
- BData is more secure in the event of hardware failures.
- CIndividual users are in control of their own computers and network resources.
- DData resources and access are centrally controlled.
- EPersonnel costs are lower because a dedicated network administrator is no longer necessary.
28Which layer of the OSI model is responsible for physical addressing and the procedures used to access media?
- Aapplication
- Bdata link
- Cnetwork
- Dtransport
29The current IP configuration of a medium size company with several subnets is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way for IP configuration of workstations. Which service or protocol would simplify the workstation IP configuration task?
- AAPIPA
- BDHCP
- CDNS
- DICMP
30Several messages sent to the network administrator are reporting that access to a secure server using HTTPS is failing. After checking recent updates to the company firewall, the administrator learns that the firewall is blocking HTTPS. Which port should be opened to solve the problem?
- A22
- B53
- C80
- D143
- E443
31Which two commands could be used to check if DNS name resolution is working properly on a Windows PC? (Choose two.)
- Anslookup cisco.com
- Bnet cisco.com
- Cping cisco.com
- Dnbtstat cisco.com
- Eipconfig /flushdns
32Which wireless security mode supports government grade security and offers both personal and enterprise authentication?
- AWEP
- BWPA2
- CWPA
- DLEAP
33Which Cloud computing service would be best for an organization that needs to collaboratively create applications and deliver them over the web?
- APaaS
- BIaaS
- CSaaS
- DITaaS
34A network administrator occasionally asks a technician to make sure that dust does not accumulate on devices in the network equipment closets. What is the purpose of having the technician do this job?
- ADust can cause network equipment to overheat and cause problems on the network.
- BDust increases electromagnetic interference in nearby connected cables.
- CDust can encourage insects and other pests to live in the equipment closets.
- DDust is considered a fire hazard that poses danger to personnel and equipment.
- EDust diminishes the range of wireless services.
35A technician installed a network adapter in a computer and wants to test network connectivity. The ping command can receive responses from workstations on the same subnet but not from remote workstations. What could be causing the problem?
- AThe NIC driver is out of date.
- BThe operating system is not compatible with the remote sites.
- CThe TCP/IP protocol stack is not loaded.
- DThe default gateway is incorrect.
36What are three common input devices found on laptops? (Choose three.)
- Atouchpad
- Bfingerprint reader
- CPS/2 keyboard
- DAC power connector
- Eexternal monitor
- Fweb camera
37A user calls the help desk to report that a mobile device exhibits very slow performance. What could cause this problem?
- AThe touchscreen is not calibrated.
- BAn app is not compatible with the device.
- CThe operating system has encountered an error.
- DA power-intensive app is running at the background.
38A computer technician has decided that a problem with a laptop can be solved by repairing a hardware component. What should be done first before attempting to repair a hardware component on a laptop?
- AConsult the service manual for the laptop.
- BAsk a fellow technician for advice.
- CBackup the BIOS settings.
- DRemove the keyboard.
39Which closed-ended question would be appropriate for a technician to use to narrow down the possible problems on a laptop that will not power on?
- ACan the laptop operate using the AC adapter?
- BHave you changed your password recently?
- CWhat software has been installed recently?
- DWhat were you doing when the problem occurred?
40A technician is troubleshooting the appearance of flashing lines on a laptop screen. What are two possible causes of this distortion? (Choose two.)
- APower to the pixels has been removed.
- BThe display settings have been changed.
- CThe GPU is not cooling correctly.
- DThe LCD cutoff switch is damaged.
- EThe display is not correctly installed.
41What is an indication that the battery in a mobile device could become physically hazardous and should be immediately replaced?
- Aif the battery only supports the system for a reduced period of time
- Bif there are signs of swelling
- Cif the screen brightness begins to dim
- Dif the device feels warm to the touch
42Refer to the exhibit. What is true of this mobile device screen?
- ATapping and holding the arrow at the bottom left will display the Home screen.
- BText messages, news, photos and other content can be displayed in the different tiles.
- CIcons and buttons are used to represent the different apps on the phone.
- DTile sizes depend on the size of the app.
- EUnpinning an app from this view will uninstall the app from the phone.
43What are two potential risks that could result from rooting or jailbreaking a mobile device? (Choose two.)
- Aenabling app access to the root directory
- Bnot properly creating or maintaining sandboxing features
- Callowing the user interface to be extensively customized
- Dimproving device performance
- Eenabling features that are disabled by a cellular carrier
44What two tasks should be done regularly to preserve the security and integrity of data and applications on mobile devices. (Choose two.)
- AExecute a factory reset once a month to remove all unidentified malicious software.
- BBack up user data on a regular basis.
- CPassword protect iTunes or Google Play accounts.
- DUse airplane mode if you are accessing the Internet at an open Wi-Fi site.
- EEnsure that the operating system software and applications contain the latest updates.
- FUnmount all unused disk partitions.
45A tire store needs to use carbon copy paper to print customer invoices so that both the store and the customer have a copy. What is the best printer solution?
- Apiezoelectric printer
- Binkjet printer
- Cthermal printer
- Dimpact printer
46A user on a home network wants to share a printer from a Windows 7 computer. What must the user do in order for other Windows 7 computers in the house to obtain the proper driver?
- AThe user must browse the Internet, then download and install the proper driver.
- BThe person doing the sharing must use the Additional Drivers button in order to designate how many device drivers are allowed to be downloaded.
- CNothing. Windows automatically provides the driver.
- DThe person doing the sharing must use the Additional Drivers button in order to designate the driver to be used by the other Windows 7 computers.
47Which three components are typically found in laser printer maintenance kits? (Choose three.)
- Afuser assembly
- Bprimary corona
- Cpickup rollers
- Dtransfer rollers
- Esecondary corona
- Fpaper trays
48What characterizes a DDoS attack?
- AMany hosts participate in a coordinated attack.
- BInfected computers are called daemons.
- CIt is easy to identify the source of the attack.
- DAll hosts must be in the same geographic area.
49What guideline should be followed when establishing a password security policy?
- APasswords should be physically stored in a convenient location.
- BPasswords should contain mainly numbers for better encryption.
- CThe system administrator should assign passwords to the users.
- DLockout policies should be avoided in order to increase user access.
- EAn expiration period should be established so that passwords frequently change.
50What are three features provided by the TPM module? (Choose three.)
- Ahashed encryption of the hard drive volume
- Bsecurity for user authentication information
- Csupport for Windows backup
- Dapplication license protection
- Estorage of digital certificates
- Fsupport for Windows Firewall
51What is the next troubleshooting step after a theory of probable cause has been established?
- ATest the theory to determine cause.
- BIdentify the exact problem.
- CEstablish a plan of action.
- DDocument findings and outcomes.
52Once a technician understands a customer complaint, it is common to ask closed-ended questions. Which question is a close-ended one?
- AWhat happened before the error occurred?
- BIs this the first time the error occurred?
- CWhat happened after the error occurred?
- DWhat error messages were displayed when the error occurred?
53What is a characteristic of the open source license of an application software?
- AIt requires registration instead of purchasing.
- BIt cannot be used for campus-wide deployment.
- CIt allows users to modify and share the source code.
- DIt does not require purchase in order to use the software.
- EIt requires acknowledged completion of a professional training course prior to use.
54Chad, a level one call center technician, receives a customer phone call. The customer has an issue that Chad does not have the knowledge to answer. The customer is irritated that Chad cannot provide immediate assistance. Which two things should Chad do next? (Choose two.)
- ADocument the reason the customer called and create a support ticket.
- BInform the customer of the need to call back later.
- CEscalate the customer to a level two technician.
- DAsk the customer further questions to diagnose and attempt to fix the problem.
- EPlace the customer on hold until the customer has time to cool down.
55Users in an office complain that the network printer is printing vertical lines on all pages. What is a likely cause of this problem?
- AThe printer does not have enough memory.
- BThe printer has an incorrect IP address.
- CThe printer toner is low.
- DThe printer drum is damaged.
56A technician is troubleshooting a Windows 7 computer that displays an “Invalid Boot Disk” error message. What would be the most likely action the technician should perform to correct the issue?
- AUse the System Recovery Options to select the correct active partition.
- BScan for and remove any virus found.
- CRun chkdsk /F /R to fix the hard drive file entries.
- DReplace the hard drive on the computer.
57When a user tries to run a program, a missing or corrupt DLL message is displayed. What are two possible solutions to this problem? (Choose two.)
- AReinstall the correct drivers.
- BUse the msconfig command to adjust the startup settings for the program.
- CRun Windows Startup Repair.
- DReinstall the program that is associated with the corrupt DLL file.
- ERun sfc/scannow in Safe Mode.
58What can help control the effect of RFI on a wireless LAN?
- AEnsure the humidity and temperature levels are set as low as possible.
- BEnsure the number of wireless NICs exceeds the number of wireless phones.
- CEnsure the wireless network is on a different frequency than the offending source.
- DEnsure each wireless NIC is configured to operate at different frequencies from all other wireless NICs.
59A technician wants to allow users to backup and restore all the files on their computers, but does not want the users to be able to make changes to the system. How should the technician give users this functionality?
- AGrant the users read permissions on all files.
- BGive the users administrator rights on their computers.
- CMake the users members of a group called Backup Operators.
- DCheck the Folder is Ready for Archiving box in the properties of each folder.
60Why do laptop computers use CPU throttling techniques?
- Ato enhance the performance of the CPU
- Bto reduce the heat that the CPU may generate
- Cto conserve the battery life by reducing the bus speed between the CPU and RAM
- Dto ensure the CPU is running at its peak speed
61What tool is included in the Mac OS X for backing up disks to image files and recovering disk images?
- ADisk Utility
- BDisk Error-Checking
- CSystem Restore
- DDeja Dup
62A new technician has joined the IT team and is about to service a heavy printer. Which two precautions should be taken to avoid any injury when transporting the heavy printer to the service area? (Choose two.)
- AAvoid lifting the equipment using the strength in your back.
- BLift the equipment using the strength in your legs and knees.
- CAvoid bending your knees when lifting the printer.
- DBend your back to pick the printer up.
- EAvoid lifting the printer close to your body.
63Which two operations can help prevent a mobile device from being tracked without permission? (Choose two.)
- ATurn off the GPS when not in use.
- BUse a VPN connection whenever possible.
- CSet the device to not store credentials.
- DDisable or remove apps that allow connections to the GPS.
- ESet the device to connect only to known WiFi networks.
64What is a characteristic of a computer power connector?
- AA Molex power connector supplies power to a motherboard.
- BA Molex connector and a SATA connector can be used on the same drive at the same time.
- CA SATA power connector is used to connect to a hard disk drive or an optical drive.
- DAn ATX main power connector supplies power to a video adapter.
65Which expansion card can assist in troubleshooting a computer problem when no video is available?
- ABIOS card
- Badvanced graphics card
- CUSB expansion card
- DPOST card
66Which two PC settings can be configured using the BIOS setup utility? (Choose two.)
- APOST
- Bvirtualization support
- Callocation of memory to applications
- Denabling device drivers
- Eboot sequence
Información
- Descripción
- Test sobre Final Netacad, creado por Andrea Rivas el 16/05/2018.
- Autor
- Andrea Rivas
- Idioma
- English
- Visitas
- 0
- Historial
- Creado el 16 may 2018 · actualizado el 16 may 2018
- Valoración
- Aún sin valoraciones Valora este test