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ch 13 troubleshooting PCs

You are testing the power supply in a PC system measuring the voltage available on the 4-pin Molex connector. The voltage on the red wire is +5.1 volts. What should do?
Nothing, the power supply is working normaly
After arriving early this morning, you turn on your computer to begin your work. Instantly you see smoke and smell strange odor coming from the computer. What should you do?
Shut off the system immediately.
Your motherboard has two memory slots and supports a maximum of 8 gb of RAM. .After installing two 4 gb modules and booting your system, you find that Windows only recognizes 3.5 gb of RAM. What should you do?
Upgrade to a 64-bit version of Windows
You have installed a new computer wth a quad-core 64-bit processor, 6 GB of memory and a PCIe video card with 512 MB of memory. After installing the operating system, you see less than 4 GB of memory showing as available in Windows. What should you do?
Install a 64-bit version of the operating system
You are testing the power supply in a PC system by measuring the voltage available on the 4-pin Molex connector. The voltage on the yellow wire is +10.1 volts. What should you do?
Replace the power supply
You have just installed several devices at once to a computer, but now the computer fails to boot properly. What should you do?
Remove all of the newly added devices and install them one at a time.
A user has called to complain that her computer won’t boot. It stops at the BIOS startup screen right after the memory has been tested and displays a 301 keyboard error. What should you do first?
Verify that no keys are being pressed down during POST
Lately your computer is spontaneously shutting down after only a few minutes of use. What is the most likely cause? (2)
Overheated CPU // Cooling fans clogged with dust
Lately your computer is spontaneously rebooting and freezing. What is the most likely cause?
Overheated CPU
To test a power supply, you want to use a multimeter to measure the voltage on a Molex hard disk drive connector. To do this, you need to turn the power supply on. Which pins on the 24-pin motherboard connector coming from the power supply can be shunted to turn the power supply on? (2)
Pins 15 and 16 // Pins 16 and 17
You are in the process of configuring a new computer. The motherboard has six memory slots and support triple channel memory. You install two memory modules. When you boot the computer, the BIOS recognizes both modules, but the memory only runs in dual channel mode. What should you do?
Install a third identical memory module // Move the modules to the correct motherboard slots
You have just replaced the motherboard in your computer. Your computer starts, but the hard disk light does not come on while the system is booting. What should you do?
Connect the hard disk LED to the motherboard
After arriving early this morning, you turn on your computer to begin your work. Instantly you see smoke and smell a strange odor coming from the computer. What should you do?
Shut off the system immediately
You have an existing computer that you’ve been using for years. You decide you want to upgrade the processor. You check the motherboard documentation and purchase the fastest processor that is supported by the motherboard. When you start the computer, it beeps regularly but nothing is shown on the screen and it doesn’t start. What should you do? (2)
Reinstall the old processor in the motherboard // Flash the BIOS
You have a desktop computer that uses 250 watt power supply. You recently added a 4-disk RAID10 array to the system and now it spontaneously shuts down. What should you do?
Upgrade to a power supply that provides more watts.
When your try to boot your computer, it hangs after POST. When you access the CMOS setup program, you see that the date is several years behind and the time is set to 12:01 am. What is the most likely problem?
The CMOS battery has failed
You are testing the power supply in a PC system by measuring the voltage available on the 4-pin Molex connector. The voltage on the red wire is +5.1 volts. What should you do?
Nothing, the power supply is working normally
You have just finished upgrading the CPU in your desktop system. After running the system for about 15 minutes, the system spontaneously shuts down. What should you do first to TS the problem? (2)
Check the CPU fan power // Check the thermal shutdown threshold in the BIOS
What should you do (if possible) before flashing the BIOS? (2)
Backup CMOS settings // Connect the computer to a UPS
Lately you hear a clicking noise when reading or writing data from the hard disk. What is the most likely cause of the clicking?
Failing hard drive
You have just finished installing a new SATA hard disk in your computer. Now your SATA DVD drive won’t work. What should you do first? (2)
Make sure the that the DVD SATA cable is connected // Make sure that the DVD power cable is connected
You have physically installed a new hard disk drive in your computer and configured the disk in the BIOS using the CMOS set up program. You try to access the hard disk drive in Windows Explorer, but the drive is not displayed. Which utility will you most likely use to solve the problem?
Disk Management
Youre configuring devices on a SCSI bus. You’ve installed a SCSI adapter in an expansion slot. You’ve connected a SCSI hard disk drive (sd0) to one of the middle connectors on the internal SCSO ribbon cable the end connector on the internal SCSI ribbon cable. The end connector on the internal SCSI ribbon cable is connected to a SCSI DVD drive. Where should termintation be enabled on this bus? (2)
On the SCSI adapter // On the DVD drive
You have just finished upgrading the 250 W power supply in your desktop computer to a 450 W power supply. Now the BIOS doesn’t recognize one of the hard disk drives in the system during POST. What should you do?
Make sure that the hard disk is connected to the power supply.
What drive configuring uses striping w/ parity for fault tolerance?
RAID 5
You have been asked to implement a RAID 10 solution for a video editor’s desktop workstation. What is the minimum number of hard disks that can be used to configure RAID 10?
4
You have a computer running Windows 7 Home Premium and need to access the contents of a flash drive The flash drive has been formatted with the exFAT file system. You want to read the flash drive on your computer as quickly as possible with the least amount of effort. What should you do?
Do nothing. windows 7 can natively access exFAT file systems
Your computer currently runs Windows 7 Enterprise edition. You want to create a RAID 10 array using four newly-installed SATA disks. When you go to Disk Management, the option to create the RAID 10 array is not available. What should you do?
Install an add-on RAID controller
Due to a blackout, power is no longer coming from the wall outlet and your computer is now off. You do not have a UPS and you need to remove a disc out of the DVD drive. What is the easiest method for retrieving the disc?
Push an unbent paper clip into the hold on the front of the drive.
What utility would you use to correct cross-linked clusters within the file system on a Windows workstation?
chkdsk
Your desktop workstation uses a SCSI bus to connect storage devices. The SCSI host adapter is assigned an ID of 7, the SCSI hard disk drive is assigned an ID of 5, the SCSI tape drive is assigned an ID of 3, and the SCSI DVD is assigned an ID of 0. Which device has the lowest priority on the SCSI bus?
DVD drive
You remove a SATA hard disk from a Windows 7 computer and put it in a system that is running Windows 98. You are unable to read the disk. What is the most likely problem?
Windows 98 does not support NTFS
You have added a new 1 TB hard disk to a Windows computer. The disk is configured as a basic disk. Which of the following can be configured on this disk? (2)
Extended partitions w/ logical drives // Primary partitions
A computer has two hard disk drives installed on the primary IDE channel. You decide to move the second hard drive to the secondary IDE channel. The secondary IDE interface will have no other devices. how should you configure the second hard drive on this channel?
Master or Single
When you try to read a particular DVD-R disc that was burned in a different computer, you receive an error message. Other DVD discs work fine in your drive. What is the most likely problem?
The disc is dirty or scratched
What term refers to a situation where two files try to claim the same cluster on the head disk?
Cross-linked clusters
You are installing the first SATA drive into a desktop computer system, but you do not have the drivers for the motherboard’s integrated SATA controller. Which tasks will be required in the configuration process?
Set the drive type in the BIOS to IDE
You have connected two drives to the primary IDE interface in a PC system. How could the drives be configured? (2)
Set one drive to Master and the other to Slave // Set both drives to Cable Select
You have a computer with a single hard disk configured as a basic disk w/ a single partition formatted with NTFS. The computer runs Windows 7 Enterprise. The disk has run out of space. You need to add space to the disk. You install a new hard drive and start Disk Management. Which of the following is a required task to add space to the existing volume?
On the new hard disk, create a new partition w/out a drive letter
You have an existing computer running Windows 7 Enterprise. You want to configure a RAID 5 array in the computer. You install three new DATA drives, then use the RAId controller integrated into the motherboard to define a RAID 5 array using them. When you boot the computer, Windows does not show the logical RAID drive you just created. What should you do?
Install the drivers for the RAID controller
One corner of the image on an SVGA monitor always has a more purple tint than the rest of the image. What is most likely the problem?
Data Cable
When would you use the degauss feature on a CRT monitor? (2)
The monitor displays strange colors // The monitor displays distorted images
You recently upgraded a client’s older workstations from Windows XP to Windows 7. The client has called to complain that the new interface is very slow. For example, after clicking on the Start button, the Start Menu slowly appears on the screen. How can you fix this problem? (2)
Upgrade the video board installed in the system. // Set the visual effects for best performance
Your CRT monitor displays a thick black border around the main screen image. What should you use to fix this problem?
Monitor hardware controls
A customer complains that a recently purchased monitor no longer displays a picture. You verify the monitor is powered on and that the video cable is securely fastened to the video port. What action should you direct the customer to take next?
Adjust the monitor’s settings using controls on the monitor
You recently upgraded a client’s older workstations from Windows XP to Windows 7. The client has called to complain that the interface is very slow. For example, after clicking on the Start button, the Start Menu slowly appears on the screen. How can you fix this problem without upgrading the hardware itself?
Set the visual effects for best performance
A customer complains that a recently-purchased plasma monitor no longer displays a picture. You verify that the monitor is powered on and that the video cable is securely fastened to the DVI-I port. What action should you direct the customer to take next?
Adjust the monitor’s settings using controls on the same monitor
You have purchased an LED monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution to 1440 x 900 with 24-bit color. The screen display seems to be fuzzy. What should you do to correct the problem?
Change the screen resolution to the native resolution of the monitor.
Your monitor is displaying images using odd colors. What is a solution to this problem?
Increase the color depth
You’ve just installed a new video card in a user’s Windows workstation. However, when you power the system on, the screen is displayed in 16 colors at 640 x 480 resolution. Which of the following will resolve this problem?
Download and install the latest driver from the video card manufacturer’s website
You a TS network connections on a Windows workstation and you want to view a list of connections on the computer. How can you do this?
Start > CP > Network and Internet // Start > right click Network > Properties
If the NIC light it on but the IP address is 169.254.. what might the problem be?
Unavailable DHCP server
Which wireless standard has the highest data transfer rates?
802.11n
A user reports that he can’t browse to a specific Web site on the Internet. From his computer, you find that a ping test to the Web server succeeds. A trace route test shows 17 hops to the destination Web server. What is most likely the cause of the prob?
Incorrect DNS server address
You are TS connectivity between your computer and the www.widgets.com server whose IP address is 192.168.1.1. Which of the following commands tests connectivity to the device as well as name resolution?
ping www.widgets.com
You have just connected a new computer to your network. The network uses static IP addressing. You find that the computer can communicate with hosts on the same subnet, but not with hosts on a different subnet. No other computers are having a problem. Which of the configuration values would you most likely need to change?
Default gateway
Youre tying to access your office network w/ you Windows workstation from home using your organization’s VPN. Your DSL modem has connected to your ISP, but you can’t connect to your office network. You issue the ipconfig command from the command prompt and learn that your system has been assigned an IP address of 169.254.1.12. Whats causing the problem?
Your ISP’s DHCP server isn’t working properly
Your home network is connected to the internet through a 512 Mbps DSL line. Your ISP provided you with a small office/home office (SOHO) router that provides 4 100 mbps ethernet ports for your home office and one DSL port for connecting the network to the Internet. The SOHO router has a built-in DHCP server that is used to automatically configure workstations with an IP address, default gateway address, and DNS server address. However, today you are unable to access the internet. The browser reports that it can’t find the URLs you are requesting. Using the ipconfig command, youve verified that the workstation is receiving the correct IP address parameters. You tried entering tracert 137.65.1.2 at a command prompt and found that youre able to reach this server on the internet without any issues. What is causing this problem?
Your ISP’s DNS server is down
You are TS a network communication problem to the www.widgets.com server. Which of the following will give you the IP address of that server?
ping www.widgets.com // nslookup www.widgets.com
Which command verifies that TCP/IP is working correctly on the local computer?
ping 127.0.0.1
You are designing an update to your client’s wireless network. The existing wireless network uses 802.11b equipment, which your client complains runs too slowly. She wants to upgrade the network to run at 150 mbps. Due to budget constraints, your client wants to upgrade on the wireless access points in the network this year. Net year she will upgrade the wireless network boards in her user’s workstations. She has also indicated that the system must continue to function during the transition period. Which 802.11 standard will work best in this situation?
802.11n
Given that your Windows workstation has APIPA implemented using default settings, which TCP/IP addresses could be automatically assigned to the system should your DHCP server go down or become inaccessible?
169.254…
You are designing a wireless network for a client. Your client needs the network support a data rate of at least 54 mbps. In addition, the client already has a wireless telephone system installed that operates 2.4 GHz. Which 802.11 standards will work best in this situation? (2)
802.11n // 802.11a
You have a small wireless network that uses multiple access points. The network uses WPA and broadcasts the SSID. WPA2 is not supported by the wireless access points. You want to connect a laptop computer to the wireless network. Which parameters will you need to configure on the laptop?
Preshared key // TKIP encryption
You have a small home network that uses 192.168.1.0 with the default subnet mask for the network address. the default gateway address is 192.168.1.254, and the router is providing DHCP on the network. The Wrk2 computer has been assigned the IP address of 192.168.1.55. What is considered the loopback address for the Wrk2 computer?
127.0.0.1
You have a small wireless network with less than 50 client computers. You upgraded the hardware on two wireless devices so you can use a better security standard than WEP. Now you need to implement the new security standard. You need the greatest amount of security with the least amount of effort, and without replacing any of the wireless infrastructure. What should you do? (2)
Implement WPA2-AES // Configure each client with the same key
You have been contacted by OsCorp to recommend a wireless Internet solution. the wireless strategy must support a transmission range of 150 ft, use a frequency of 2.4 GHz, and provide the highest possible transmission speeds. Which wireless solution would you recommend?
802.11n
While TS a network issue, you successful ping the 127.0.0.1 IP address. What is true about the TCP/IP working correctly?
The TCP/IP protocol suite is working correctly on the local computer.
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet using the default subnet mask. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig/all and see the following:

-IPv4 address…192.168.1.102 (preferred)
-Subnet mask…255.255.255.0
-Default gateway….192.168.2.1
-DNS Servers…192.168.2.20

What is most likely the prob?

Incorrect default gateway
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet using the default subnet mask. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig/all and see the following:

-IPv4 address….192.168.1.102 (preferred)
-Subnet mask….255.255.0.0
-Default gateway….192.168.1.1
-DNS Servers….192.168.1.2 192.168.1.27

What is most likely the prob?

Incorrect subnet mask
You administer a network with Windows and Linux servers, and Windows 7 clients. A user calls and indicates that he is unable to access resources on the network. You type ipconfig on the user’s computer and receive the following output:

-IPv4 address….169.254.1.17
-Subnet mask…255.255.0.0
-Default gateway…

You check your NIC and see the link light on. What might the problem be?

Unavailable DHCP server
You are the administrator for your company and you have been asked to get the company accounting program installed on some new Windows 7 laptops. When you install this software on the new PCs, you discover that it will not run b/c the UAC keeps causing it to fail. Because the accounting program was designed by the company and it will not be upgraded anytime soon, you must get it to work as is with UAC. What can you do to get the application to work with UAC. What can you do to get the application to work with UAC?
Alter the program settings to Run this program as an administrator
You have a compiler that compiles applications used in your business. You want to make sure that the compiler continues to run in the background, even if you open other applications. How can you adjust the amount of attention given to that application?
Use Task Manager to modify the process priority
Mary reports that an application’s shortcut icon no longer launches the application. You check your documentation and find that you have installed a new disk drive in her computer. What should you do first so Mary can run the application?
Check the shortcut properties to make sure it is pointing to the correct file location.
Which of the following represent the correct boot sequence in Windows XP after the BIOS has passed control over to NTLDR?
BOOT.IMI, NTDETECT.COM, NTOSKRNK.EXE
While browsing the internet, the Internet Explorer browser window hangs and stops responding. Which Task Manager tab would you use to end Internet Explorer? (2)
Processes // Applications
What utility can be used to view when a service was stopped as well as any error messages generated by the service?
Event Viewer
A Windows XP system was severely damaged after a lightning strike, and is now failing to boot. The menu of boot options containted within the Boot.ini file is not displaying and you are convinced that the file is not being read. Which file is responsible for loading and displaying the Boot.ini options?
NTLDR
When running a program on a Windows system, you get an error message indicating that a specific file (not the .exe file) cannot be located. What should you try first to fix the problem?
Check the working (start in) directory identified by the shortcut
You have a custom database application that your company has been using for several years. The application works fine on all of your Windows XP systems. You have just purchased a new Windows 7 system for one of your sales team members. You make this user a member of the Users group on the local system. You install the custom application successfully. When the sales person logs on and tries to run the application, the program splash screen loads but then seems to hang. What should you do first?
Grant the user permissions to the directories and files used by the application.
Which of the following tools can you use to start the Print Spooler service if it is currently stopped? (2)
Net Start // Services Console
One of the program s that launches automatically at Startup is causing your Windows workstation to lock up. You have examined the Startup folder, and the problem application is not present. Which Windows utility should you use to prevent the program from starting automatically
msconfig.exe
You have a Windows Vista that was recently upgraded from Windows XP. One application worked fine in Windows XP, but now does not run in Windows Vista. You have checked the application vendor’s web site but there is no update available. What should you try next to run the application?
Run the app in compatibility mode.
While working on your Windows 7 system, the system encounters a critical error. For a brief seconds you see the blue screen indicating the error. Before you can read te error, however, the system reboots. After rebooting and logging back on, the same thing happens again. What should you do so that you can read the error message next time it happens without the system rebooting?
Reboot the system, Press F8 and disable the automatic restart feature.
On a Windows system, which Task Manager tab would you use to adjust the priority given to a specific program?
Processes
During system startup, you see an error message that a service failed to start. You research the error and find that another service must be started first before this service can start. Which tool could yu use to configure the needed service to start automatically?
Services console
Which Windows 7 OS startup component replaces the boot.ini file that was used by earlier versions of Windows?
Boot Configuration Data
In what following situations would reverting to a System Restore point to be the best option?
You recently installed a new application and now the system behaves erratically.
When you load a partition management utility on a workstation running an OEM version of Windows 7, you notice that there is a hidden partition on the workstation’s hard drive. You decide to delete it to free up space on the drive. Should you do this?
No, this is the system’s recovery partition.
What is a recovery partition?
A partition created by the computer manufacturer to restore the system to its original state
When would restoring from a system image be the best option?
You need to restore a Windows system after a hard drive failure.
In what situation would restoring from a backup be the best option? (2)
You need to restore several work processing files that were accidentally deleted from MY Documents. // You accidentally deleted several important e-mails from Outlook and need to restore them
Youre TS a computer running Windows 7. The OS system has halted and a blue screen has been displayed on the monitor with an error message. What is the first step you should take in TS the issue?
Search for the error in Microsoft’s knowledgebase or in a search engine on the Internet
One day while trying to start your Windows XP computer, the system displays the following error:

Invalid partition table

What would most likely fix the problem?

Bot into the recovery console and run the fixmbr command on the boot volume
The video drive on your Windows 7 computer is preventing the system from starting up successfully. You have already downloaded an updated driver and copied it to the computer’s hard drive. Which mode should you select from the Windows Advanced Boot Options menu that would most likely allow you to start the computer to continue fixing the problem?
Enable VGA mode
You have a Windows 7 computer that was recently upgraded from Windows XP. An installed application worked fine in Windows XP, but does not run in Windows 7. You have checked the application vendor’s web site but there is no update available. What 2 things should you try to run the application?
Run the application in compatibility mode. // Run the application in XP Mode
You have a Windows XP Professional workstation that does not currently have the Recovery Console installed. What command should you use to install the recovery console?
WINNT32 / CMDCONS
A malfunctioning video driver is preventing your Windows system from starting successfully. Which startup option should you choose so you can copy an updated driver from the help desk support server?
Safe Mode with Networking
Marcus was attempting to tweak his workstation’s operating system when he inadvertently corrupted his system boot files. It will no longer boot to a logon prompt. After pressing f8, what option should he choose?
Repair Your Computer
The video driver on your Windows 7 computer is preventing the system from starting up successfully. You have already downloaded an updated driver and copied it to the computer’s hard drive. Which mode should you select from the Windows Advanced Boot Options menu to ensure that the system can complete the boot process?
Safe Mode
One day while trying to start your Windows XP computer, the system displays the following error:

Windows could not start because the following file is missing or corrupt: Windowssystem32ntskrnl.exe. Please re-install a copy of the above file.

The problem occurs immediately after the OS loading message. You are unable to boot into Safe Mode. What 2 actions will most likely fix the problrm?

Boot into the recovery console and perform an automatic operating system scan and repair. // Boot into the recovery console and run bootcfg/rebuild
Under what circumstanced would using the Last Known Good option be mos likely to correct a problem?
If you made a system change and then the startup fails before the logon screen
You want to scan your system for changed system files and automatically revert to previous versions for any file that has been altered. You want the scan to run once the next time the system boots. Which command should you use?
sfc /scanonce
Rodney, a user in the research department, reports that he is getting STOP errors while using his Windows 7 computer. You ask Rodney if anything has changed recently on the computer. Rodney explains that he ran the installation program for his PDA and everything worked fine until he tried to Hot Sync. Now anytime he hot syncs, he has to reboot the computer. You need to fix Rodney’s computer and prevent Rodney from using the PDA until you can installed an updated driver. What should you do?
Reboot the system and select Safe Mode. Disable the PDS’s driver in Device Manager.
You need to boot a Windows 7 system into Safe Mode. What key should you press during the system boot to access the Advanced Boot Options menu?
F8
You have booted your Windows 7 workstation into Safe Mode and enabled Boot Logging. To what file is the boot logging information now being written?
ntbtlog.txt
A user in the research department, reports that he is getting STOP errors while using his computer. you ask him if anything has changed recently on the computer. He explains that he ran the installation program for his PDA just before receiving the first STOP error. He immediately rebooted and has not been able to use Windows 7 since then due to STOP errors during the boot process. You need to fix his computer . What should you do?
Reboot the system and select Last Known Good Configuration from the Advanced Startup options.
One day while trying to start your Windows 7 computer, the system displays the following error:

Windows could not start because of a computer disk hardware configuration problem. Could not read from the selected boot disk. check boot path and disk hardware.

What will most likely fix the problem?

Boot into the recovery environment and run the bootrec /rebuild command
Rodney, a user in the research department, reports that he is getting STOP errors while using his Windows XP computer. You ask Rodney if anything has changed recently on the computer. Rodney explains that he ran the installation program for his PDA and everything worked fine until he tried to Hot Sync. Now anytime he hot syncs, he has to reboot the computer. You need to fix Rodney’s computer and prevent Rodney from using the PDA until you can installed an updated driver. What should you do?
Reboot the system and select Safe Mode. Disable the PDA’s driver in Device Manager
How can you keep a Windows 7 system from restarting after a critical system error occurs?
Use the Disable automatic restart on system failure option on the Advanced Boot Menu
You have a Windows 7 system with two SATA hard drives, one used for the OS and the other used for data. You have traced recent problems to a fault in the system motherboard. You replace the motherboard and reconnect all the hardware. When you start the computer the system shows the BIOS info screen, but then returns an error that an OS system could not be found. What should you do?
Change the boot order in the BIOS
Christian has booted his Windows 7 workstation in Safe Mode and enabled Boot Logging. which file would he examine to see a list of drivers loaded during the startup process?
Ntbtlog.txt
You turn on your desktop computer. You can hear the fans start up, but the monitor remains blank. You wait awhile but it doesn’t appear that anything else is happening. the hard drive activity light doesn’t show activity and you never hear the sound that plays when windows loads up. What are the 3 most likely causes of the problem?
Memory // Video card // Processor
Which techniques are used in pharming attack to redirect legitimate web traffic to malicious web sites? (2)
Changing the hosts file of a user’s computer // Exploiting DHCP servers to deliver the IP address of poisoned DNS servers
While browsing the Internet, a pop-up browser window is displayed warning you that your system is infected with a virus. You are directed to click a link to scan for and remove the virus. What should you do? (2)
Update the virus definitions for your locally-installed anti-virus. // Run a full system scan using the anti-virus software installed on your system
What are the key differences between a worm and a virus (2)
Worms independently replicate themselves. // A virus relies on a host for replication
Several employees have forwarded you an e-mail indicating that your company’s health insurance provider has just launched a new benefits management web site that all employees must start using. The employees are told in the e-mail to click a link to access the site. Once there, they are required to provide their Social Security number. However, you have discovered that your company’s insurance provider did not send this email. What kind of attack just occurred?
Phishing
What are the most likely systems of a malware infections (2)?
renamed system files // changed file permissions
Your lobby receptionist uses a laptop computer to complete her day to day tasks. You are concerned about the security of her system. What 2 things can you do?
Secure the laptop to the desk using a cable lock // configure the laptop with a biometric fingerprint scanner
When TS a malfunctioning notebook computer, nothing appears on the LCD display when the system is powered on. when you connect an external monitor to the system, the Windows desktop is displayed properly on the monitor. what could be causing this problem? (2)
The LCD is malfunctioning // The display output has been redirected to the external monitor port using the Fn key
Youre TS a malfunctioning notebook computer. Nothing appears on the LCD display when the system is powered on. What is the first thing you should do?
Plug in an external monitor
Six months ago, you purchased a new laptop. Since then, you have noticed that the battery life has been steadily going down. When it was new, a full charge lasted about 3 hours. Now you are lucky to get 2 hours before the battery charge level drops below 5%. What should be your first step to correct this problem?
Calibrate the battery
What LCD component is used to illuminate a notebook computer’s display?
Backlight
What should you do if you cannot turn a laptop off”
Unplug the AC power and remove the battery
You are TS a malfunctioning notebook computer system. The user has indicated that the screen is always dark and difficult to read even while the system is plugged into a wall outlet. You checked the system and determined that the backlight isn’t working. What could be the cause?
The LCD cutoff switch is stuck in the Off position
Your manager has been using the same laptop computer without error for 4 years. Suddenly, the computer will not start and run correctly. What should you do to isolate the problem?
Remove the batteries and attempt to run the computer from a wall outlet
A user is trying to log into Windows on her notebook computer. She enters the correct password for her user account, but the system won’t let her authenticate, claiming the wrong password has been entered. what’s causing the problem?
She has turned on Num Lock, causing the numbers to be sent from the keyboard instead of letters.
You’re TS a malfunctioning notebook computer system. The user has indicated that the screen suddenly became dark and difficult to read while he was downloading a large file through his wireless network card while the system was plugged in at his desk. you’ve checked the system and determined that the backlight has stopped working. Which of the following could be the cause? (2)
The inverter in the LCD assembly has malfunctioned. // The cold cathode fluorescent lamp has burned out and needs to be replaced.
You’re TS a malfunctioning LCD display on a notebook computer system. After confirming that the notebook is receiving AC power, you plug in an external monitor. the external monitor does not display the output from the notebook after pressing the Fn key to toggle the display. What could be the cause?
Failed video adapter
Youre attempting to diagnose a problem with a notebook computer. The user reports that it displayed a message indicating that the battery was low, then it shut down by itself even though it was plugged into a wall outlet. You’ve checked the AC adapter and found that the LED light is lit when plugged into a wall outlet. What should you check next (2)?
Verify that the AC adapter produces the correct DC voltage for the notebook computer // Verify that the power LED on the notebook computer is lit when plugged into the wall outlet.
Youre TS a notebook system that uses a digitizer pad and stylus for input. The user has complained that the digitizer pad registers stylus taps about 1 inch to the right of where the tap actually occurred. How can you fix this problrm?
Recalibrate the digitzer pad
A user in sales cannot get his laptop to isplay through a projector. He sees the screen output on the built-in LCD display, but the video is not being seen on the projector. What should you do first?
Use the Fn key to redirect the display to the external video port
Your laptop carrying case is designed for a 15-inch laptop, yet you think you can squeeze your 16-inch laptop into it. Before slipping the laptop into the case, what should you do?
Remove any ExpressCards from their slots
You replaced the print cartridge on an inkjet printer. What should you do next?
Calibrate the printer
A dot matrix printer is printing faintly after replacing the print head. What should you do?
Check the gap between the printer head and the paper.
Youre conducting scheduled maintenance on a laser printer. You notice that there is a build-up of excess toner inside the interior of the printer. Which of the following is the proper way to remove it?
Use an anti-static vacuum
What conditions would typically result in replacing the drum on a laser printer?
Spots at regular intervals on the page
A dot matrix printer is printing faintly after replacing the print head. What should you do?
Check the gap between the printer head and the paper
For the past several days the print jobs from the inkjet printer are missing colors and leaving gaps. What should you do to resolve the problem?
Use the automatic cleaning feature
Youre Ts an older laser printer that is creating accordion jams where the paper is crumpled as it exits the printer moving into the output tray. What can you do to fix this problem?
Install a maintenance kit
When you print from your laser printer, the paper contains faint images from previous print-outs. What 2 components should you check?
Rubber scraper // discharge lamp
What paper types should not be used in inkjet printers?
Very glossy paper
You are testing a printer you just installed, so you use the operator panel on the printer to print a test page. Later, you use the printer properties on your computer to print a test page. Instead of a normal test page, you receive several pages w/ garbled characters on them. What is the most likely the cause of the problem?
Wrong print driver
Your laser printer prints a vertical black line on every page. you change the toner cartridge but the problem does not go away. What is the most likely problem?
A corona wire is dirty
What problem is common for dot matrix printers?
Paper scraps are caught in the feed mechanisms
You have just installed a maintenance kit in your laser printer. What should you do next?
Reset the page count
Which of the following is a symptom of a dirty drum roller in a laser printer?
Lines or splotches repeated at regular intervals on the print job
You are trying to print complex images on an older laser printer that uses parallel connection to your workstation. The pages produced cut off the bottom third of each image you print. What resolution will fix the problem?
Install more memory in the laser printer
You have a laser printer that has worked fine until today. Now whenever anything is printed, only blank pages come out. What part are you most likely to replace?
Transfer corona
What paper types should not be used in inkjet printers?
Very glossy paper
After removing the printed paper from your laser printer, the toner smudges and can be wiped off in places. What is the most likely problem?
Fuser rollers
A user complains that his USB scanner no longer works. You check Device Manager and see the icon with a black down arrow on it. What should you do?
Enable the device
You have just installed a new hardware device, upgraded the driver, and installed the custom software that came with the device. Now you can’t get the device to work. What should you do first?
Run any diagnostic software that came with the device
A user reports that they are unable to access their Firewire drive after moving the PC from beneath the desk to the top of the desk. What is most likely the problem?
Card is not properly seated
You have just installed a new device in your Windows computer. After installation, you can’t use the device. You check in Device Manager and find an icon for the device with a yellow exclamation mark over it. What should you do?
Download the latest driver from the manufacturer’s website
You have just installed a new device in your Windows 7 computer using the device’s installation disc and the included drivers. After installation, the system crashes when you try to use the device. What should you do?
Download the latest driver from the manufacturer’s website
Greg, a graphic artist, installs a new art application on his Windows 7 computer. The application prompts Greg to install an updated video driver, which is unsigned. Greg accepts the unsigned driver and completes the installation. Greg uses the system for several days, and then reports that his display doesn’t seem to refresh properly under some conditions. You want to configure Greg’s computer to use the previous video driver until the manufacturer provides a signed driver, but he still needs to be able to use the application he installed. What should you do?
Boot the system into Safe Mode. Open device manager and select the video driver. Open the driver’s properties and select Roll Back Driver
What system utility would you use to TS hardware devices, examine and control the resources used by secific devices, and isntall updated device drivers
Device Manager
When would driver rollback be the best tool to use?
You recently installed a new video driver and now the system behaves erratically

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