Take Assessment - Final Exam for ch 1-10 - IT Essentials: PC Hardware and Software (Version 4.1)

1

A 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.) The total cost of the new solution is considerably lower. Data is more secure in the event of hardware failures. Individual users are in control of their own computers and network resources. Data resources and access are centrally controlled. Personnel costs are lower because a dedicated network administrator is no longer necessary.

2	A home computer owner has a PC system that runs Windows XP. For security reasons the owner has been using a limited local user account for a number of years. The owner wishes to install a new piece of software, but the user account does not have the necessary permissions. Which type of account does the owner need to use to install the new software? server administrator root unlimited

3	What must be done before a technician cleans a very dirty LCD screen on a laptop? Place the laptop in standby mode. Remove the screen from the laptop. Remove the battery. Enable the autoclean setting in the BIOS.

4	What characterizes spoofing? Making data appear to come from a source other than the actual source. Sending abnormally large amounts of data to a remote server to prevent user access to the server services. Intercepting or inserting false information in traffic between two hosts. Sending bulk e-mail to individuals, lists, or domains intending to prevent users from accessing e-mail.

5	A technician notices that a data floppy disk is in the floppy disk drive of a computer when it is powered on. Which error message could this potentially cause? device / service failed to start floppy disk corrupted invalid system disk corrupted driver

6	A computer technician needs to test the COM ports on some new computers. Which diagnostic tool can help achieve this task properly? digital port reader loopback adapter port scanner network analyzer

7	Which two quick solutions are commonly recommended when a technician is troubleshooting a laptop? (Choose two.) Reboot the laptop. Reinstall the operating system. Disconnect the peripherals. Have the customer verify the problem. Call a level-2 technician.

8	Which two general precautions should be taken before replacing any non-hot-swappable laptop component? (Choose two.) Disconnect the power cord. Keep any component in a plastic bag until installation. Remove any batteries. Use carpets in cool areas. Wear rubber-soled shoes to work with the computer.

9	Which firewall port number or number combination must be open in order to remotely access a network device using SSH? 20/21 22 23 25 80

10

What is the purpose of Windows Vista 64-bit Kernel Patch Protection? It prevents third party drivers from modifying the operating system kernel. It permits the 64-bit operating system to patch the operating system at a much higher rate. It prevents the use of additional operating system kernels from being added to Vista. It allows the use of unsigned drivers to be used within the 64-bit Vista operating system. It prevents the use of 32-bit drivers with the 64-bit Visa operating system.

11	Why does the cable from the power supply to the motherboard have different colored wires? A single wire could not carry enough current. There is one wire for each motherboard component. Each wire carries a different voltage. The motherboard slot requires the number of wires that are represented by the different colors.

12	A technician is asked to wire a network that supports CSMA/CD. Which architecture and physical topology should the technician use for supporting this access control method? Ethernet and Star FDDI and Ring Token Ring and Double Ring Wireless and Ring

13	A technician has installed and configured an external projector on a laptop. What is the final task the technician must perform for the image to be displayed through the projector? Press the function key sequence to activate the image on the projector. Disconnect the laptop from AC power. Reboot the laptop into dual monitor mode. Turn audio and video off on the laptop and on for the projector.

14

Which environmental factor helps ensure optimal performance for laptops? The humidity level should always be below 20 percent. Temperature should be preferentially between 45 to 90 degrees Fahrenheit (7 to 32 degrees Celsius) to avoid overheating. In dusty conditions, laptop vents should be partially covered to prevent the internal components from getting dirty. Laptops should be cleaned every month or the internal components will be damaged.

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What is the minimum CPU speed that is required to install Windows Vista according to the Microsoft recommendation? 512 MHz 1 GHz 1.5 GHz 2 GHz 16 Which protocol dynamically assigns IP addresses to network devices? DHCP DNS ICMP RARP TCP 17 A directly-attached printer has always failed to work. Print jobs and the printer test page fail to print, but the printer self-test page prints OK. If the cabling is installed correctly, what is most likely the problem? a dry print cartridge an incorrect printer driver an outdated system BIOS a missing Windows service pack 18 Refer to the exhibit. A Cisco Networking Academy instructor is trying to print a flash graphic from the curriculum. The print job has gone into the print queue as shown. Based on the output, what should be the next step in solving this problem? Check the printer for status messages. Restart the computer. Upgrade the printer driver. Reinstall the printer driver. Check the printer cabling and power. 19 Which Windows tool should be run before upgrading the operating system? Convert Fdisk Msconfig Ntbackup 20 A home computer user is trying to customize the power management on a computer using Windows XP. However, the custom configuration is unsuccessful. What task must be completed to enable power management to be configured? ACPI power management must be enabled in the BIOS using Administrative Tools in the Windows Control Panel. APM power management mode must be configured in the BIOS before ACPI can be used to enable power management. APM power management mode must be configured in the BIOS so that Windows XP can be used to enable power management. ACPI power management mode must be enabled in the BIOS before Windows XP can be used to configure power management. 21 A customer who owns a business that creates high-quality color graphic images wants a new printer. The customer already has an ink-jet printer. Which type of printer would be a good recommendation? dot-matrix solid-ink daisy-wheel thermal 22 Which two memory types are installed using Dual Inline Memory Module (DIMM) slots? (Choose two.) cache memory DDR SDRAM FPM DRAM SDRAM SRAM 23 What is a benefit of using the USB or FireWire ports to connect peripherals to a laptop? The peripherals can be plugged in and out without turning the laptop off. Data transfer is more controlled than using the parallel or serial ports. The peripherals do not need drivers to communicate with the OS. Connections are much more reliable. 24 Which type of cable standard uses a 9-pin connector and supports data rates in excess of 800 Mbps? DB-9 DB-25 IEEE 1284 IEEE 1394a IEEE 1394b 25 A user calls the help desk and complains that the PC locks up frequently. The technician verifies that the lockup happens randomly and cannot be reproduced on demand. When asked when it happens, the user replies that the lock up occurs anywhere between two and 30 minutes after the computer starts. Which hardware component is most suspect? RAM hard drive display card power supply 26 When calculating the total cost of ownership of a printer it is necessary to consider the cost of the consumables. Which two consumables are associated with an inkjet printer? (Choose two.) drum ink cartridge ink ribbon paper toner 27 A technician installed a network adapter in a computer and wants to test network connectivity. The ping command can only receive a response from local workstations. What could be causing the problem? The NIC driver is out of date. The operating system is not compatible with the remote sites. The TCP/IP protocol stack is not loaded. The default gateway is not set. 28 The company ABC reports that unauthorized communication from outside the network has caused serious problems in the finance department. Which software tool will help prevent this situation from occurring again in the future? antivirus program firewall network analyzer spyware program 29 Which type of scanner generally has high costs but produces top-quality images? all-in-one drum handheld flatbed 30 What approach should a technician take when receiving a call from a stressed customer? Ask the customer to telephone back when the customer is feeling less stressed. Ask the customer to hold, and then wait five minutes for the customer to calm down. Try to establish a rapport with the customer. Transfer the customer to a level-two technician who will ask the customer to explain the problem again.

31	An employee is receiving e-mail from unknown banks asking for username and password information. Which type of security attack is the employee experiencing? adware phishing Trojan horse virus worm

32	Which feature allows a technician to manage power settings through a Microsoft Windows control panel? setting two motherboard pins using a jumper enabling ACPI through system BIOS settings using a combination of the Fn key and another keystroke sliding the selective power switch to the on position on the power supply

33	Which are three steps in the laser printing process? (Choose three.) fusing writing skewing spraying transferring sublimating

34	Which port is used only for input? PS/2 component speaker DVI parallel

35	A customer needs to purchase a new power supply for a computer. What must be considered when selecting an appropriate power supply? The power supply converts DC to AC. The power supply has sufficient wattage to support all components inside the computer. The power supply provides at least 800 V. The power supply must have both a P-8 and P-9 connector.

36	Refer to the exhibit. A technician is troubleshooting a problem where a teacher is unable to connect a laptop to a wireless network. The wireless NIC is enabled and the wireless network configuration settings are correct. Which key would be used in conjunction with the Fn key to enable the wireless connection? F5 F6 F7 F8

37	Which two items are considered proper cleaning tools? (Choose two.) compressed air antistatic mat soft cloth antistatic wrist strap flat-head screwdriver

38	A technician needs to purchase a new video adapter for a computer. Which factors should be considered when selecting the adapter? type of hard drive installed amount of memory installed expansion slot type case form factor

39

A network technician receives an error that there is insufficient physical disk space on an external drive to hold a file from a Windows XP computer. What is a possible cause for the problem? The technician lacks the file attribute rights to the file to copy it to the external drive. The external drive is formatted with a FAT 32 file system and the file is too large for that file system. The file is a system file and will cause the operating system to fail if it is moved. The technician needs to add the file to the Master File System before trying to move the file.

40	After Windows XP has been installed, which program would a technician use to select the programs that will run at startup? ntldr regedit msconfig Task Manager

41	Which two file systems are available for selection during installation of Windows XP? (Choose two.) FAT16 FAT32 HPFS NTFS CDFS

42	What deficiency is associated with RAID 0 compared with RAID 1? RAID 0 is more expensive to implement. RAID 0 requires at least one additional hard drive. RAID 0 does not provide any protection for the data that is located on a hard drive. RAID 0 requires a minimum of two hard drives and two controllers.

43	What are the four layers in the TCP/IP reference model? HTTP, TCP, IP, Ethernet TCP, IP, Ethernet, IEEE application, transport, internet, network access application, presentation, session, transport physical, data link, network, transport

44	A newly purchased scanner is not functioning as efficiently as expected. Which step should a technician take to improve performance? Download drivers and utilities from a user forum on the Internet. Download drivers and utilities from the manufacturer web site. Reinstall the software that came with the scanner. Buy a different scanner.

45

All default Windows XP tools and utilities are installed on a computer. The technician discovered that a few other Windows components are still needed. Which procedure can accomplish this task? Press Ctrl-Alt-Del. Choose Task Manager > Performance > Add/Remove Windows Components Open the Windows XP CD. Locate the Windows Components folder. Right click on Component. Choose Install. Right click on the Desk Top. Choose Properties > Settings > Add/Remove Windows Components Choose Start > Control Panel > Add Remove Programs > Add/Remove Windows Components