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

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PostSubyek: Final Exam for ch 1-10 - IT Essentials: PC Hardware and Software Version 4.1   Thu Jun 16, 2011 2:03 pm

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A technician needs to purchase a new video adapter for a computer. Which factors should be considered when selecting the adapter?

- expansion slot type

An employee is receiving e-mail from unknown banks asking for username and password information. Which type of security attack is the employee experiencing?

- Trojan horse

ABC Inc. decided to integrate redundancy by connecting multiple hard disks to duplicate the information they store. Which type of adapter will need to be installed on the servers to accomplish the desired redundancy?

- RAID adapter

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.

What do the terms refresh rate, interlace, and aspect ratio explain?

- scanner output

When installing a service pack or security patches on an operating system, what should be done to protect the system in the event of a faulty or aborted installation?

- Create a restore point.

Fans that are used to help cool a system are commonly placed on which two components? (Choose two.)


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?

- administrator

A computer user buys a low priced replacement monitor but finds that there is a lot of flicker. The flicker makes the monitor unusable. Which characteristic of a monitor needs to be considered to ensure flicker-free viewing?

- refresh rate

When installing the Windows XP operating system, a technician is given a choice of file systems to use. If security is a requirement, which file system should be chosen?


Why do mobile devices such as laptop computers use specially designed CPUs?

- They consume less power.

Refer to the exhibit. Which type of device uses the connector shown in the graphic?

- DVD drive

A printer has a paper jam. An impatient user has sent multiple print jobs of the same document to this printer. What can be done to remove these print jobs?

- Cancel the jobs in the printer queue.

What is the purpose of Windows Vista 64-bit Kernel Patch Protection?

- It prevents third party drivers from modifying the operating system kernel.

A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?


What characterizes spoofing?

- Making data appear to come from a source other than the actual source.

Which two items are considered proper cleaning tools? (Choose two.)

- compressed air
- soft cloth

What are two network requirements necessary to establish a VPN connection between a remote computer and a private company LAN? (Choose two.)

- low latency network connection
- VPN client

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 the manufacturer web site.

technician has been asked to find how a hacker keeps breaking in to a computer. Which security precaution was most likely missed when the operating system was first installed?

- A user account was not created.

A technician just terminated some fiber optic cable and needs to properly dispose of the hazardous waste created during the termination. What document would the technician use to identify the proper disposal method for the waste?


A technician is troubleshooting a user complaint that a printer is not printing a report. Which step is one of the first that the technician should take?

- Check the Device Manager on the user computer for hardware problems.

Which type of cable standard uses a 9-pin connector and supports data rates in excess of 800 Mbps?

- IEEE 1394b

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.)

- ink cartridge
- paper

Which Windows tool should be run before upgrading the operating system?

- Ntbackup

Refer to the exhibit. What command was typed to produce the output that is shown?

- ipconfig /all

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.)

- Data is more secure in the event of hardware failures.
- Data resources and access are centrally controlled.

Which environmental factor helps ensure optimal performance for laptops?

- Temperature should be preferentially between 45 to 90 degrees Fahrenheit (7 to 32 degrees Celsius) to avoid overheating.

What is the purpose of SCSI and RAID adapters?

- to connect storage devices such as hard disk drives to a PC

While troubleshooting a computer on which the operating system fails to boot, a technician has checked that there are no non-bootable media in the disk drives, tried using the Last Known Good Configuration option, and attempted to boot the computer in Safe Mode, all without success. Which further possible solution could be tried?

- Perform a Repair Installation of the operating system.

A 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 use correct this problem?

- Task Manager

A technician needs to configure the hard drive on a computer so that there appears to be one drive for the operating system and four drives for data from different applications. How can the hard drive be configured to provide this perception?

- Create one primary partition and an extended partition with four logical drives within it.

A technician is having trouble with laptops that keep overheating. What preventive maintenance procedure can be performed on the laptops to reduce this problem?

- Clean the air vents.

When analyzing a protocol used on the network, it is discovered that multicast messages are being sent to network devices. Which class of IP addressing is being used to send these messages?

- D

A supervisor received a complaint that one of the technicians was rude and disrespectful. Which action by the technician most likely caused the customer to complain?

- The technician interrupted a number of times to ask questions.

A call center technician answers a call from a frequent customer who is known to be impatient and lacks experience with computers. The customer has an issue with an application that the call center supports. The customer informs the technician that the problem had been reported before but the original technician was rude, did not listen, and did not fix the problem. If the technician is confident that the problem can be resolved by increasing the amount of memory in the computer, what should the technician do?

- Explain that the original technician is no good and the supervisor will be told.

Where in Windows XP can the shutdown, hibernate, and standby modes be configured?

- Start > Control Panel > Power Options

An administrator gets an e-mail message from what looks like the company bank. The e-mail asks for account information. The administrator determines the e-mail is not from the bank. What type of security threat has the administrator prevented?

- grayware

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 cabling and power.

Which network protocol is used to automatically assign an IP address to a computer on a network?


After Windows XP has been installed, which program would a technician use to select the programs that will run at startup?

- msconfig

On which two occasions is it most likely that a technician will have to perform a clean operating system installation if a backup has not been performed? (Choose two.)

- The existing operating system is corrupted.
- The existing security software requires upgrading.

What is the purpose of wearing an antistatic wrist strap?

- to equalize the electrical charge between the user and the equipment

Where can a user change the idle time after which a laptop will switch to standby mode?

- Left-click Start > Control Panel > Power Options, then click the Power Schemes tab.

A technician is asked to configure the time the system must be idle before the hard disk spins down on all the Windows-based laptops in the company. The technician configured the power options in Windows but it appears to have no effect. Where should the technician look to enable power management?

- System Registry

ABC Company wants to configure laptops to automatically power components off to improve battery life. Which power management control can be used to accomplish this?


What is the logical topology used for the Ethernet architecture?

- bus

Which three benefits are gained by networking computers? (Choose three.)

- fewer peripherals needed
- lower cost licensing
- increased communication capabilities

Which three rules increase the level of password strength? (Choose three.)

- Passwords should be a combination of letters and numbers.
- Passwords should be changed by the user after specific periods of time.
- Password expiration and lockout policies should be clearly defined.

A company uses a single computer to receive and test all Windows updates. When the most recent update was installed, several programs failed. What is the first course of action that a technician should attempt to remove the update?

- Run a System Restore from the last restore point.

Which firewall port number or number combination must be open in order to remotely access a network device using SSH?

- 22

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 external drive is formatted with a FAT 32 file system and the file is too large for that file system.
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