IT Essentials 6.0 final exam

What is a characteristic of a computer power connector?

A SATA power connector is used to connect to a hard disk drive or an optical drive.

Why is a full format more beneficial than a quick format when preparing for a clean OS installation?

A full format will delete files from the disk while analyzing the disk drive for errors.

What guideline should be followed when establishing a password security policy?

An expiration period should be established so that passwords frequently change.

A computer technician has been asked to secure all Windows 7 computers by encrypting all the data on each computer. Which Windows feature should be used to provide this level of encryption?

BitLocker

Which closed-ended question would be appropriate for a technician to use to narrow down the possible problems on a laptop that will not power on?

Can the laptop operate using the AC adapter?

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?

Confirm the issues and give detailed instructions to solve the problem.

Chad, a level one call center technician, receives a customer phone call. The customer has an issue that Chad does not have the knowledge to answer. The customer is irritated that Chad cannot provide immediate assistance. Which two things should Chad do next? (Choose two.)

Document the reason the customer called and create a support ticket. Escalate the customer to a level two technician.

A network administrator occasionally asks a technician to make sure that dust does not accumulate on devices in the network equipment closets. What is the purpose of having the technician do this job?

Dust can cause network equipment to overheat and cause problems on the network.

Which type of interface should a customer choose if connecting a single cable from a Microsoft Windows computer to output both audio and video to a high definition television?

HDMI

Once a technician understands a customer complaint, it is common to ask closed-ended questions. Which question is a close-ended one?

Is this the first time the error occurred?

The activity of a previously unknown program triggers an alert by Windows firewall. What three options will the user have for dealing with this event?

Keep blocking Unblock Ask me later

Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure?

LAN

A technician suspects that a security issue is causing problems with a computer. What two actions could be performed to test theories of probable cause when troubleshooting the PC?

Log in as a different user. Disconnect the computer from the network.

A technician wants to allow users to backup and restore all the files on their computers, but does not want the users to be able to make changes to the system. How should the technician give users this functionality?

Make the users members of a group called Backup Operators.

What characterizes a DDoS attack?

Many hosts participate in a coordinated attack.

What is the default file system used during a fresh installation of Windows 7?

NTFS

What are two advantages of the NTFS file system compared with FAT32?

NTFS supports larger files. NTFS provides more security features.

A user on a home network wants to share a printer from a Windows 7 computer. What must the user do in order for other Windows 7 computers in the house to obtain the proper driver?

Nothing. Windows automatically provides the driver.

Which two types of expansion slots would be used by a wireless NIC in a computer today?

PCIe PCI

Which expansion card can assist in troubleshooting a computer problem when no video is available?

POST card

Which two password control policies should an organization implement to ensure strong passwords?

Passwords should be set to expire every 60 days. Passwords should contain letters and numbers.

What is the most important reason for a company to ensure that computer preventive maintenance is done?

Preventive maintenance helps to protect the computer equipment against future problems.

An application appears frozen and is not responding to a mouse or the keyboard. What Windows OS tool can be used to stop the application?

Task Manager

What is the next troubleshooting step after a theory of probable cause has been established?

Test the theory to determine cause.

A computer user complains of a computer that freezes up after about five minutes of use. The technician checks the computer BIOS to see if there might be a configuration problem that is causing the computer to behave consistently in this manner. While the technician is reviewing the information, the computer once again freezes. What is the probable cause of the computer problem?

The CPU fan is not functioning.

What are two consequences of setting an incorrect boot order in the system BIOS?

The computer displays a "BOOTMGR is missing" error after POST. The computer displays an "Invalid Boot Disk" error after POST.

A technician is troubleshooting a computer that is experiencing hardware failure detected by the BIOS. What is one way this failure is indicated?

The computer emits a pattern of beeps indicating the failing device.

A technician is explaining the differences between inkjet printers and laser printers to a customer. Which two comparisons should the technician make?

The laser printer output is dry after printing, but an inkjet printer may still have wet ink on the paper after printing. Inkjet printers are less expensive as an initial purchase than laser printers.

Users in an office complain that the network printer is printing vertical lines on all pages. What is a likely cause of this problem?

The printer has an incorrect IP address.

A technician opens up a PC to work on it, and finds that it is very dusty inside. What should the technician do?

Use a can of compressed air to remove excess dust.

For cleaning a laser printer, what should be used to pick up excess particles of toner?

a HEPA-capable vacuum

What are the four layers in the TCP/IP reference model?

application, transport, internet, network access

A technician has installed a new sound card in a PC but it is not operating correctly. Where should the technician look to investigate driver problems?

device manager

Which step in the troubleshooting process is important to help avoid repeating repair processes that were performed previously?

documentation of problem and solution

Which three features can be configured in the BIOS settings to secure a computer?

drive encryption TPM passwords

virtualization support

environmental control

A computer technician performed a number of actions to correct a problem. Some actions did not solve the problem, but eventually a solution was found. What should be documented?

everything that was done to try to solve the problem

What type of external storage should be used by a technician to back up over 2 TB of music and video data files?

external hard drive

Which three components are typically found in laser printer maintenance kits?

fuser assembly pickup rollers transfer rollers

A tire store needs to use carbon copy paper to print customer invoices so that both the store and the customer have a copy. What is the best printer solution?

impact printer

What are three benefits of computer preventive maintenance?

improvement in data protection extension of the life of components reduction in the number of equipment failures

What laptop component converts DC power to AC so that the display can illuminate?

inverter

Which solution should be used to clean a CPU and a heat sink?

isopropyl alcohol

What can be tested with a digital multimeter?

quality of electricity in computer components

What are three features provided by the TPM module?

security for user authentication information application license protection storage of digital certificates

What type of hard drive contains flash memory for caching frequently used data but stores the most of the data on a magnetic hard disk drive?

solid-state drive

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 force the release of system resources from the unresponsive application?

task manager

When a PC is being assembled, what component is connected to the motherboard with a SATA cable?

the optical drive

What is the purpose of RAID adapters?

to connect multiple storage devices for redundancy or speed

Why do laptop computers use CPU throttling techniques?

to reduce the heat that the CPU may generate

What is the purpose of a Safety Data Sheet?

to specify procedures for dealing with potentially hazardous materials

What are three common input devices found on laptops?

touchpad fingerprint reader web camera

What type of device provides power to a computer and allows it to be safely shut down in the event of a power loss?

uninterruptible power supply

Which two PC settings can be configured using the BIOS setup utility? (Choose two.)

virtualization support boot sequence

When should a technician avoid wearing an antistatic wrist strap?

when replacing a power supply unit