2.28.2011

IT essential 4.1 chapter 16

1
A computer user cannot access the Internet. A technician, attempting to resolve the problem, can ping the proxy server, but Internet access is still denied. What is the problem?
#The computer browser proxy server settings are wrong.

2
What are two features of Windows Vista Backup? (Choose two.)
#The backup files can be saved to another connected computer or server.
#The backup files have an extension of .bkf and a maximum uncompressed file size of 200 MB.

3
On a computer in the lab, a student can access e-mail. However, from a laptop that is owned by the student, the wireless connection to the e-mail server fails. What is the problem?
#Windows Firewall is blocking the port that is used by the e-mail application.

4
A network administrator has noticed that users without administrative rights are installing unauthorized applications on the Windows Vista computers. What could the administrator do to prevent the installation of these applications?
#Reinstall the operating system and use the 64-bit version.

5
Windows XP should be updated on a regular basis. In which situation should automatic updates be disabled?
#Users accessing the network using a dial-up connection need to control when the updates are downloaded and installed.

6
Which encryption technology provides secure tunnels?
#VPN

7
A network technician has received several reports regarding missing and corrupted information on a company file server. Which course of action can the technician use to investigate any unauthorized network access?
#Audit the event logs on the server to check for unauthorized network access.

8
A business has a policy to automatically update and run the antivirus software on all computers each day. When is the best time to perform this security maintenance?
#when the computers are not being used

9
Refer to the exhibit. Which Firewall Settings tab would be used to allow an FTP connection through a Vista-based computer?
#Advanced

10
Which simple wireless configuration technique can make the network invisible to unauthorized users?
#Disable SSID broadcasting.

11
Which two file-level permissions allow a user to delete a file? (Choose two.)

#modify
#full control

12
Which two characteristics of network traffic are being monitored if a network technician configures the company firewall to operate as a packet filter? (Choose two.)
#ports
#protocols

13
Port triggering has been configured on a wireless router. Port 25 has been defined as the trigger port and port 113 as an open port. What effect does this have on network traffic?
#All traffic that is sent out port 25 will open port 113 to allow inbound traffic into the internal network through port 113.

14
Which Windows XP command initiates a backup from the command line?
#ntbackup


15
Which two advantages are attributed to a hardware firewall when compared to a software firewall? (Choose two.)
#It does not impact the processing performance of the equipment it protects.
#It is designed to protect more than one computer.

16
What is the result of changing the default username and password on a wireless access point?
#It reduces the chance of someone accessing the device and changing settings.

17
A technician has been asked to format the drives of several Windows XP computers with a file system that can use file-level permissions to secure confidential information. Which file system should be used by the technician?
#NTFS

18
After a technician collects information from the computer, which two sources can provide the technician with possible solutions for various types of network-related problems? (Choose two.)
#the manufacturer FAQ for network devices
#technical websites

19
What is the default setting for Windows XP operating system updates?
#automatic

20
On a Windows Vista computer, which CLI command is used to repair the master boot record that has been damaged by a virus?
#bootrec.exe/fixmbr

21
A user reports that the antivirus software on a computer is always turned off when the computer is restarted, despite being reactivated each time the computer starts up. Further investigation by the technician shows that the Internet browser also displays an incorrect homepage. What is the probable cause of these problems?
#The computer has been infected with spyware.

22
Which three physical security measures are employed to prevent security breaches and loss of data? (Choose three.)
#conduit
#card key
#security guard

23
The ABC Company network designers are designing the new corporate WiFi network. Which two precautions should be implemented because of security concerns with wireless networks? (Choose two.)
#Disable broadcast of the SSID.
#Configure WPA on access points.

24
A student has a Windows XP laptop firewall set with the Don't Allow Exceptions option enabled. What is the consequence of setting this option?
#No applications on an outside network are allowed access to the laptop.

25
Which method can a technician use to make sure that only specific computers connect to a wireless router?
#MAC address filtering

26
A network administrator has moved encrypted files from one computer to another computer on the network and now the files are not encrypted. What does the administrator need to do to correct the problem?
#Convert the destination computer partition to NTFS.

27
A network administrator is trying to allow everyone access to a data folder while limiting access to individual subfolders to individuals. The administrator is having problems with all users being able to view and edit all files and folders. What should the administrator look at to solve the problem?
#Check to see if the subfolders have inherited rights from the main folder.

28
Which data security technology takes the form of an object which must be close to a computer before the user can successfully submit a username and password?
#security key fob

29
A network administrator is trying to change the account name of a user but cannot make the changes. What could be a possible cause?
#The administrator does not have the correct permissions to make the change.

IT essential 4.1 chapter 15

1.When planning the network in a new building, the technician notes that the company requires cabling that can extend up to 295 ft (90 m) with enhanced bandwidth support at an affordable price. Which cable type will the technician pick if he chooses the most common type of cabling used on networks?
*Cat5e
2.The network administrator has physically installed wireless NICs in three new computers. Which two additional steps will complete the installation process? (Choose two.)
*Configure the device drivers.
*Configure the NICs with addressing information.
3.A company adds a few refurbished computers to a network. The company finds, however, that the refurbished computers perform significantly worse than the original networked computers performed with applications that require the transfer of data over the network. What should the company technicians do?
*Check if the network interface cards in the computers are limited to 10 Mb/s.
4.ABC Computer Company is in the process of planning a network for a new client. A network technician has been asked to perform a physical inspection of the facilities to determine the flow of data and protocols required by the client. What is this inspection called?
*site survey
5.Which protocol provides secure transport of data from the company web server to remote users?
*HTTPS
6.n Internet Explorer, after choosing Tools and then Internet Options, which tab would a user select to set the browser to prompt before downloading potentially unsafe content?
*Security
7.Which two methods can be used to connect IP phones to a network? (Choose two.)
*Connect the IP phone to the Ethernet LAN using an RJ-45 connector.
*Establish an Internet connection then use an Analog Telephone Adapter.
8. technician is working on a host computer that fails to obtain an IP address. Which three actions could the technician perform to determine the cause of the problem? (Choose three.)
-Check the PC firewall settings to make sure that DHCP is allowed.
- Check that the DCHP server is operational.
- Check that the network cable is connected
9.Which three ports are used by SMTP, POP, and IMAP? (Choose three.)
*25
*110
*143
10.Which two ipconfig parameters are used within Windows XP to remove and assign the IP address previously provided by a DHCP server? (Choose two.)
*release
*renew
11.The network technician has been asked to share a new printer on the network using the Add Printer wizard for Windows XP. Which path should the technician use to run the Add Printer wizard?
*Start > Control Panel > Printers and Faxes > File > Add Printer
12.Students on the college network need to be able to view folder names and data in files stored on the Windows-based file server, but should never be allowed to add or save information on the server. Occasionally, the students also need to run media programs to watch videos stored on the server. Which permission should the network technician assign to the students accessing the file server?
*read
13.Which two hazards exist when working with fiber optic cabling? (Choose two.)
*chemicals
*glass splinters
14.A technician is troubleshooting a network and finds hosts with duplicate static IP addresses. Which protocol could be used to resolve this issue?
*DHCP
15.Which action should a user take to ensure that personal information that is entered into a website form is not retained on the computer?
*Delete the temporary Internet files.
16.A computer user cannot access a bank using HTTPS. What is one recommended solution?
*Enable SSL through the web browser application.
17.What is the purpose of an analog telephone adapter in the application of VoIP services?
*to convert IP phone digital voice data to analog signals
18.Which safety precaution should be used when working with any type of cable?
*Wear safety glasses when working any type of cable.
19.Refer to the exhibit. The tracert command was used on the local computer to verify connectivity with a remote site. Which type of address is shown in the highlighted line of the tracert command output displayed in the exhibit?
*default gateway for the local computer
20.After booting a computer running Windows 2000, the following message displays: “The IP address already exists on another computer”. Which two steps will quickly obtain a new IP address from the DHCP server? (Choose two.)
*run ipconfig /release
*run ipconfig /renew
21.A technician is configuring a network device for remote access. Which protocol is commonly used as a secure alternative to Telnet?
*SSH
22.What would be a disadvantage of configuring a wireless router or access point to operate only in accordance with the 802.11n protocol standard?
*Older, legacy wireless devices may be unable to connect to the wireless network.
23.What are two possible causes of e-mail attachments not being received with e-mail messages? (Choose two.)
*The e-mail attachments could be too large.
*The e-mail server could not be receiving e-mail messages that are using POP.
24.What are two ways to assign an IP address to a wireless NIC? (Choose two.)
*Assign a static address.
*Use DHCP.
25.While using nslookup, a student sees the following message: “Can’t find server name for address 127.0.0.0: timed out.” What is one possible problem?
*The computer does not have at least one entry for a DNS server configured.
26.A user is receiving e-mail on a regular basis from a particular person. A problem occurs when the e-mail from this same person contains an attachment. What is one solution?
*Ask the IT department to permit port 25 through the firewall.
27.A new employee needs to transfer files to the corporate FTP server. However, the employee is unable to log in to the FTP server. What is the most likely cause of the problem?
*An incorrect port number is configured in the FTP client.
28.A textbook author needs to upload a chapter from a home computer to the FTP server of the publisher. The author uses the correct username and password, but the transfer fails. What is the most likely cause of the problem?
*Port 21 should be enabled on the home firewall.
29.While troubleshooting a computer, the technician releases and renews the IP address. A message appears: “No operation can be performed on the adapter while its media is disconnected.” What is a probable cause of the message?
*The network cable is unplugged.
30.The network technician is researching the best way to connect the branch offices to the main office. What are three main considerations that the technician should remember when choosing an Internet connection? (Choose three.)
*availability
*reliability
*speed

IT essential 4.1 chapter 14

1.Which two parts, one in a laser printer and one in a dot matrix printer, should be allowed to cool before attempting any repairs? (Choose two.)
fuser assembly
print head
2.Which two pieces of software are included with most new printers and are installed by the user? (Choose two.)
configuration software
printer driver
3.Which Windows component allows the Windows operating system to output graphics to a computer screen or print device?
GDI
4.A user reports that whenever he needs to print a document, the print job process is automatically sent to the wrong network printer. Which path should the user follow to resolve this problem in Windows XP?
Start > Control Panel > Printers and Faxes, right-click the printer, and then select Set as Default Printer
5.A technician is installing a new inkjet printer. The printer has successfully printed test pages. Which task also verifies the functionality of an inkjet printer after installing the printer driver?
using different types of paper trays for special paper sizes
6.Which two methods are often used to connect a lower-cost printer to a Windows XP network? (Choose two.)
Use a separate print server.
Connect to a networked computer and share the printer.
7.Which two issues should be considered when purchasing RAM for a new printer? (Choose two.)
physical type of memory
number of memory slots available
8.Which scanner option considerably affects the size of the output file?
resolution settings
9.A technician has completed the routine maintenance service for all the printers in the accounting department. Which action helps ensure that the next routine maintenance service is performed at the correct time?
Reset the counters.
10.Users working in humid environments notice that documents printed by a laser printer are of poor quality. It is discovered that the printer is unable to attach toner to the paper. What is the most likely cause of the problem?
The paper absorbed moisture from the air and is damp.
11.Which two printer parts should be cleaned with a damp cloth? (Choose two.)
roller surfaces in dot matrix printers
print head in inkjet printers
12.As a part of the maintenance process for a laser printer, a technician should remove all the small particles of toner inside the printer. What is the recommended method to perform this task?
Use a vacuum cleaner with HEPA filtration.
13.Which two items can help extend the life of an inkjet printer? (Choose two.)
type of ink
paper type
14.Which type of printing option should be implemented to allow a user to change settings for each document sent to the printer?
per-document
15.Users in the accounting department are having trouble digitizing documents with a scanner. What should the technician do to resolve the problem?
Calibrate the scanner.
16.Which type of port is used for low-speed dot matrix printers?
Serial
17.Which path will allow a user to add a printer in Windows XP?
Start > Control Panel > Printers and Faxes > Add a Printer
18.A technician is installing network printer software and drivers on a Windows Vista computer. At the Select a Printer stage the technician wants to install a printer that is not listed. Which two methods are available to identify and select the required printer? (Choose two.)
name
IP address
19.What two solutions would fix the problem that occurs when every page that is printed by a laser printer produces lines or streaks? (Choose two.)
Replace the drum.
Use the cleaning utility to clean the cartridge nozzles.
20.What could be a result of printing with paper that has become damp because of high humidity?
Paper jams are more frequent

IT essential 4.1 chapter 13

1
Which portable connection provides the user with the possibility of high-speed Internet connectivity?
#cellular

2
Which standard does Bluetooth incorporate to reduce the chance of interference when multiple Bluetooth devices are present?
#AFH

3
What wireless technology has a range limited to 3 feet (1 m) and cannot penetrate ceilings and walls?
#infrared

4
Which wireless technology is a low-power, short-range technology that uses LEDs to transmit data and uses photodiodes to receive data?
#infrared

5
Some keys on a laptop work intermittently. They sometimes type the letter and sometimes do not. What should a technician do to fix this problem?
#Clean the keyboard.

6
A student unpacks a new laptop, attaches the AC adapter, and powers it up. However, the laptop power LED is off. What is the probable cause of the problem?
#The AC adapter is not securely connected.

7
Refer to the exhibit. Which type of connection is being established between the PDA and the infrared keyboard?
#line-of-sight

8
A technician is working on a laptop that has excessive hard drive activity. Which two actions can the technician take to resolve the problem? (Choose two.)
#Delete files and programs on the hard drive.
#Install Additional RAM.

9
What are two steps a technician should take before repairing a laptop? (Choose two.)
#Backup all data stored on the laptop.
#Check the warranty to see if repairs must be done by an authorized service center.

10
A laptop that worked fine previously now fails to emit sound. A technician finds that the sound is still enabled through the control panel. What could be causing the problem?
#The sound could have been disabled through a slide switch commonly located below the sound port.

11
Which wireless technology offers a maximum data rate of 540 Mbps?
#802.11n

12
Which two sources can be used to determine the amount of currently installed RAM on a computer? (Choose two.)
#Administrative Tools utility
#System Properties dialog box

13
The design department recently doubled the RAM capacity in all of the laptops. After the upgrade, the laptop users reported experiencing improved performance. Which operational benefit have the users noticed after the RAM increase?
#The hard disk swap file is read less frequently.

14
A laptop that previously worked now fails to boot. The cursor fails to appear on the screen. When a bootable DVD is inserted, the system still fails to boot even though it is set to boot from CD/DVD. The fan turns, so power is applied and the power light is on. The technician installs the hard drive in another laptop and it works there. What is the probable cause of the problem?
#The CD/DVD drive has failed.

15
Which two types of batteries should be completely discharged and then fully recharged to remove the charge memory? (Choose two.)
#Ni-Cad
#NiMH

16
Which attribute of a solid state drive would be an advantage when being used in a laptop?
#Solid state drives reduce power usage.

17
A laptop fails to start after a new hard drive has been installed. What are two possible causes of this problem? (Choose two.)
#The hard drive was not connected properly.
#The BIOS does not recognize the new hard drive.

18
Which Wi-fi standard uses the 5.0 GHz frequency band?
#802.11a

19
Which type of infrared network bounces the signal off ceilings and walls?
#scatter

20
Which two types of ports can be used to attach an external hard drive to a laptop computer? (Choose two.)
#USB
#Firewire

21
Manufacturers often offer devices in two versions, one with all the necessary manuals and drivers and one without. Which two names are given to these versions? (Choose two.)
#OEM
#retail

22
Which three standard procedures must always be included in a preventive maintenance schedule? (Choose three.)
#physical cleaning
#hard drive maintenance
#software updates

23
Which IEEE 802.11 standard uses only 5 GHz technology?
#802.11a

24
The accounting department has received a new laser printer. According to the printer technical specification, the printer complies with the Bluetooth Class 2 specification. What is the maximum distance that any device could be expected to successfully send print jobs?
#33 ft (10 m)


25
Why should care be taken when charging and handling a laptop battery?
#Laptop batteries can explode if mishandled or improperly charged.

26
Which two methods can be used to provide security for a Bluetooth connection? (Choose two.)
#PIN authentication
#Service Set Identifier (SSID)

27
Which type of encryption key should be enabled on WPA-compliant devices?
#128-bit

28
Which three laptop components should be cleaned during routine maintenance? (Choose three.)
#exterior case
#cooling vents
#keyboard

29
A laptop will only work on AC power. What should be done to fix the problem?
#Replace the battery.

IT essential 4.1 chapter 12

1
Which virtual memory attribute is the only one a technician should change?
#location

2
Which Windows XP utility is used to partition and format hard drives?
#Disk Management

3
A technician boots a Windows XP computer that has an incorrect driver loaded for the video adapter card. How can the technician revert to a previous driver?
#Select the video adapter card in Device Manager, select the Driver tab, and click Roll back driver from Properties.

4
A user wishes to dual boot Windows XP and Windows Vista on a computer with a single hard drive. Which advice should the technician provide the user?
#It is necessary to create a second partition and install Vista into the second partition.

5
A technician is setting up an e-mail client for a customer. Which two protocols can the technician select to retrieve e-mails from the e-mail server? (Choose two.)
#IMAP
#POP

6
What are two reasons for creating two partitions? (Choose two.)
#separate data files and operating system
#allow the computer to be dual booted

7
Which information is backed up when a restore point is created?
#system and Registry information only

8
What is a common cause of the Invalid Boot Disk error?
#There is a non-bootable floppy disk in the floppy drive.

9
A technician is having trouble repairing a difficult Windows XP problem. The usual quick-fix solutions did not work and there are no obvious clues found in either Device Manager or Event Viewer. What two actions should the technician try next? (Choose two.)
#Check any manuals relating to the hardware and software.
#Check the Internet for possible solutions.

10
Which action should be taken to start the defragment utility when using the Windows XP Category View?
#Double-click My Computer, right-click the disk to defragment, and choose Properties > Tools > Defragment Now.

11
In Windows XP which file determines the prompt that a user sees during the boot process when multiple operating systems are present?
#BOOT.INI

12
Which action configures Windows Explorer to display file extensions?
#Choose Start > Control Panel > Folder Options > View, uncheck the Hide extensions for known file types check box.

13
A video-file editor defragments the hard drive on his computer every month to ensure continuing optimal performance. How can the editor ensure that the defragmentation occurs every month?
#Add Defrag to Scheduled Tasks in System Tools.

14
Which two pieces of information are required when configuring Automatic Updates for Windows XP? (Choose two.)
#day
#time

15
When configuring Windows XP, which setting configures a service to run every time a computer is started?
#automatic

16
Which two locations are commonly used in Windows for temporary files? (Choose two.)
#C:\temp
#C:\Windows\temp

17
What is the most common cause of blue screen errors?
#device driver errors

18
A user has observed that the performance of the hard disk has degraded over time. What is the first thing a user should do to improve performance?
#Defragment the hard disk.

19
Which Windows XP Professional installation uses a Sysprep file?
#image-based installation

20
What is a feature that Internet browsers provide to improve performance when accessing recently visited websites?
#caching recently accessed pages

21
While attempting to run an application, a user receives an error message indicating that a required RPC service is unavailable. The user determined that the RPC server is functioning properly. Which action should be tried next by the user?
#Restart the service.

IT essential 4.1 chapter 11

1.A technician suspects that a hard drive is beginning to fail. Which two conditions would support this suspicion? (Choose two.)

*The hard drive is making unusual noises.
*The hard drive has a gradual increase in the number of bad sectors.
2.Which two problems are caused by inadequate CPU cooling and ventilation? (Choose two.)
*The computer locks up.
*The computer does not boot.
3.A technician fails to successfully boot a computer into Safe Mode. The technician then successfully boots the computer using a Windows boot disk. What is the most likely cause of the problem?
*hard drive failure
4.A technician is concerned that a computer is overheating. The computer reboots without warning. What can the technician do to improve the circulation of air through the computer?
* Add one or more case fans.
5.A customer needs help selecting a new power supply for an existing computer. Which two questions should a salesperson ask to help the customer? (Choose two.)
*What is the size of the case, and which type of motherboard is in the computer?
*Which components are currently being used on the computer, and what new components may be added to the computer?
6.Which three computer system capabilities should a technician consider when installing a video capture card? (Choose three.)
*processor speed
*amount of RAM
*VGA adapter specification
7.A customer is interested in video editing and has purchased a FireWire hard drive for storage of videos. However, no FireWire ports are available on the motherboard. What type of adapter will the customer be interested in obtaining?
*I/O
8.Which tool would be the best to use to test the voltage output on every pin of a SATA connector?
*multimeter
9.When a computer boots, the hard disk is not recognized. What are two possible causes of the problem? (Choose two.)
*The power cable is not attached properly to the drive.
*The data cable is loose or disconnected.
10.A computer system keeps losing the date and time or requesting to go into the Setup program during the boot process. What are two possible solutions? (Choose two.)
*Replace the motherboard battery.
*Verify that the motherboard battery is secure.
11.A technician is upgrading a computer motherboard and has successfully replaced a single core CPU with a dual core CPU. What should be checked to ensure that the dual core CPU now operates correctly?
*Confirm that the BIOS firmware supports the dual core CPU.
12.When testing the 6-pin PCIe connector with a multimeter, what should the voltage read?
*12 V
13.Why is a solid state drive more reliable than a traditional drive?
*It has fewer moving parts.
14.A motherboard flash BIOS has been updated. After the update, the computer restarts, but does not boot. The technician examines the motherboard documentation and discovers the motherboard has only one BIOS chip. What will the technician have to do to fix this problem?
*Obtain a replacement BIOS chip.
15.Which two ports are used to connect external media readers to a computer? (Choose two.)
*FireWire
*USB
16.A technician begins gathering data from a customer by asking open-ended questions. Which question is a proper open-ended question?
*What happens when the PC is powered on?
17.What type of motherboard bus carries memory locations?
*address
18.A technician needs to retrieve a DVD from an optical drive that is jammed and fails to open. What is the best method the technician could use to retrieve the DVD?
*Insert a pin in the small hole next to the eject button.
19.What is the purpose of the copper or aluminum between a processor and the fan on a computer motherboard?
*It conducts heat from the processor so that the fan can disperse the heat.
20.Which two motherboard features must be compatible when selecting a new CPU? (Choose two.)
*chip set
*socket type
21.You are monitoring a new technician installing a device driver on a Windows-based PC. The technician asks why the company requires the use of signed drivers. What would be the best response to give?
*A signed driver has passed Microsoft’s quality lab test and prevents a system from being compromised.
22.What manufacturing process makes a multicore processor operate faster than a single-core processor on the same motherboard?
*The multicore processors are designed with multiple processors integrated into the same circuit.
23. A technician is helping a client select additional RAM for a computer. Which three items should be considered when updating RAM? (Choose three.)
*The memory must be compatible with the video card.
*The memory must be compatible with the motherboard.
24.On what media is information stored when an SSD is installed?
*static RAM
25.What are two probable causes of a computer failing to recognize a newly installed storage device? (Choose two.)
*The device jumpers are set incorrectly.
*The system BIOS settings are incorrect.
26.A new sound card has just been installed, but no sound reaches the speakers. What are two common solutions a technician might implement? (Choose two.)
*Connect the speakers to the correct port.
*Unmute the sound through the operating system.
27.A motherboard has a 64-bit bus. What does this mean?
*The processor can transmit 64 bits at a time to a motherboard component

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