exam: test: computer tech 1st 9 weeks - pearland … test: computer tech 1st 9 weeks question 1 of...

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Exam: TEST: Computer Tech 1st 9 weeks

Question 1 of 100

To prevent ESD when replacing internal computer components, you attach an antistatic wrist strap to your wrist. Where should the other end be fastened?(Select two.)

Metal area on the computercaseAntistatic mat

Screw on the wall poweroutletGround wire on the powersupplyGround wire on the wall poweroutlet

Question 2 of 100

Which of the following is a myth regarding electrostatic discharge(ESD)?

If you can't feel ESD, the surge is not sufficient to harm computercomponents.Most often, ESD degrades computer components, and they fail at a laterdate.Simply touching an object can create static electricity. You do not have to rub the object.

Sitting down or standing up from a chair can create staticelectricity.

Question 3 of 100

Hard drives are best stored ina:

Static shielding bag

Foamlined box

RefrigeratorPlastic bag

Question 4 of 100

Which of the following devices are most susceptible to problems associated with ESD? (Selecttwo.)

Memory

ProcessorFiber optic cable

Cat 5 cable

ATX form factorcasesMonitors

Question 5 of 100

The fan in a 450Watt power supply is malfunctioning. What action should you take?

Remove and replace the powersupply.Open the power supply and replace the defective fanunit.Open the power supply and oil the fan.



Do not service the computer until the CPU fan alsofails.

Question 6 of 100

Of the following choices, which action could be most physically harmful toyou?

Looking into the end of a fiber optic cable

Forceejecting a stuck DVD disc using a straightened paperclipUsing a computer without a surgeprotectorWearing a grounding strap while installing amodem

Question 7 of 100

Which of the following devices can store large amounts of electricity even whenunplugged?

CRT monitor

LCD monitor

DVD opticaldriveHard disk drive

Question 8 of 100

What is your top priority when responding to emergencies and hazardoussituations?

Ensure the safety of people in thearea.Protect your organization'sdata.Reduce risk and exposure to litigation.

Prevent the release of hazardous elements into theatmosphere.

Question 9 of 100

Which of the following are safe methods of lifting heavy objects? (Selecttwo.)

Bend your knees with your back straight

Lift with your legs

Pull up with your arms

Bend at the waist

Use a lifting strap around the object and your neck

Question 10 of 100

Which of the following are safety benefits associated with encasing cables that run across the floor? (Selecttwo.)

Reduces tripping accidents

PreventswearImprovesaestheticsPrevents tampering with thecable(s)Secures data transmitted on data cables fromeavesdropping

Question 11 of 100

Which of the following protects a computer system from electrostaticdischarge?



Antistatic wriststrapStatic shielding bag

POST card

Power supplytester

Question 12 of 100

Which of the following components requires special disposal procedures to comply with environmentalguidelines?

Notebook battery

Motherboard

VideocardHard disk drive

Question 13 of 100

What is the purpose of anMSDS?

It documents how to safely handle and dispose of hazardousmaterials.It protects the service technician from largevoltages.It prevents dust from accumulating on electricalequipment.It monitors the potential for electrostaticdischarge.

Question 14 of 100

To improve the safety of your location and to comply with regulations regarding work environments with hazardous materials, you have been assigned toassemble Material Safety Data Sheets (MSDS) for all chemicals used in your shop.

How should you get them?

Write them yourself after researching theissues.Ask your manager forthem.Download them from the chemical manufacturer'swebsites.Get them from your local workers safety insuranceoffice.

Question 15 of 100

Which of the following should be handled with caution due to high operating temperatures? (Selecttwo.)

Printing head in a dot matrix printer

Components within a laserprinterSystem RAM modules

External hard disk drive

Inkjet printer tractorfeed

Question 16 of 100

What does occasional beeping from the UPSmean?

The computer is running on the UPS battery power.

The UPS is not connected to the computer.

The computer is about to shut down.

The UPS battery is no longer able to hold a charge.



The power reserve in the UPS battery is criticallylow.

Question 17 of 100

What is the best way to protect a computer from power spikes during an electricalstorm?

Unplug the computer from the AC outlet.

Use a surgeprotector.Use a UPS.

Shut down the computer.

Question 18 of 100

A user called the Help Desk because he's having trouble downloading new messages from the company's emailserver.The Help Desk technician told him to open a command prompt and try to ping the email server. The technician also told him to check his SMTP and POP3server IP addresses.

Did the Help Desk technician handle this requestcorrectly?

Yes, the request was handledproperly.No, the technician used jargon that the user probably didn'tunderstand.No, the technician should have walked to his desk and conducted the tests for theuser.No, the technician should have had the user check his workstation's IP address configurationfirst.

Question 19 of 100

You are the PC technician for a company. You received the following email from anemployee:My email doesn't work. I keep getting email sent back to me, and I can't find any of my old emails. I don't think that the email program has ever workedwell.

When you arrive at the user's desk, you ask him to show you how they usually go about their email tasks. You quickly determine that the problem is not withthe program, but that the user needs to be trained on how to use the program. You have several important work tasks that need to be completed by the endof the day, and this is not high on your priority list.

What is the best way for you torespond?

Set up a time where you can sit down with the employee and show him how to complete commontasks.Inform the employee that there isn't anything wrong with the program and that he simply does not know how to use itcorrectly.Tell the employee to ask their coworkers how to use the program if he come across furtherproblems.Direct the employee to the email program's helputility.

Question 20 of 100

A user asks you to perform a task that you do not know how to do and is not in the scope of your jobduties.What is the best way torespond?

Explain to the user that this is not a task you can perform, but you will do your best to contact someone who can perform thetask.Try to perform the task by yourself.

Tell the user that isn't in your job description and move on with your currenttask.Tell the user that they will need to find someone else to take care of theirproblem.

Question 21 of 100

While on a service call at a customer site, you are discussing the problem with the customer when your cell phone rings. You check the caller ID, and yousee that the call is related to parts you ordered for another customer.

What is the most professional way to handle thesituation?

Immediately answer the phone and try to finish the call as fast as you



can.Ignore the phone and let it continue ringing until the caller reaches yourvoicemail.Answer the phone and say, "I'm busy right now. I'll call you rightback."Ask the customer if they mind if you take the call, and then step into the hallway to briefly talk on the phone.

Question 22 of 100

As a PC technician, what are the best actions to take if you are late to an appointment? (Selecttwo.)

Contact the customer andapologize.Give a realistic timeframe for yourarrival.Explain why you are late.

Tell a joke to ease the situation.

Blame your tardiness on heavytraffic.

Question 23 of 100

You have responded to a call from a customer who is having problems with his computer. After troubleshooting the problem, you discover the switch on thepower strip was off. After switching it on, all of the components and their functionality return to normal.

Which of the following is the best way to explain what the problem was to thecustomer?

"I found this power strip switch in the off position. Now that it's on, it looks like everything is working. It appears as though that was the problem.Can you confirm that the problem has been resolved?"

"Next time you need to call, check this power strip switch. It was turned off. That's why nothing worked. If I were you—and luckily I'm not—I wouldhave checked this first and saved both of our time."

"All I did was flip the power strip switch on. You probably bumped it by accident. And that accident just cost you about $80. But don't feel bad,accidents happen to everyone. Although, this one could have been easily avoided."

"That was probably the easiest problem I've ever fixed. I am surprised you had to call in. Thanks for making my day! All I had to do was flip this littleswitch. You're good to go."

Question 24 of 100

You are the PC technician for a company. An employee has gone to a meeting while you fix the computer in her office. She accidentally left a report opennext to her computer which states that a friend of yours in accounting will be submitted for review if their poor work performance continues.

Which should you do?

Ignore the paper and tell no one of its contents.

Give your friend a heads up about what you found, but don't disclose from where you heard theinformation.Tell your friend about the report you saw and whose desk it wason.Tell your fellow PC technicians about what you saw and let them decide what to do with theinformation.

Question 25 of 100

You are a PC technician for a company. An employee needs you to install some software on his computer over his lunch break. When you log on to thecomputer, you notice the employee's desktop has so many shortcuts and files that you can't even see the desktop background.

Which of the following actions should you take?

Delete all the shortcuts and move all the files into a single folder on the desktop, and then inform the employee what youdid.Move the shortcuts into a single folder, and then look at each file and organize them into folders based on theircontents.Install the software and leave the employee's computer exactly how you foundit.Create a folder named "Clutter" and move everything from the desktop into it. Then tell the employee they should organize what's in thatfolder.

Question 26 of 100



An employee demands that she needs more RAM for her computer in order to complete her work tasks, but you know that her department isn't budgeted fornew equipment. Your supervisor is the only one that has authority to allocate department funds. How should you respond?

Tell the employee that she isn't currently budgeted for equipment upgrades, but that you will let your supervisor know about the request so it can beproperly determined if new RAM can be acquired.

Tell the employee that she should make do with what shehas.Tell the employee that the best option is for her to purchase new RAM for the computer and bring it in towork.Tell the employee that you will get new RAM for their computer as soon aspossible.

Question 27 of 100

A user called her organization's Help Desk to request help with connecting to a network server. The help desk technician came to her desk to resolve theissue. Once there, the technician used the user's telephone to call his girlfriend. The call lasted the entire time the technician was at the user's desk.

Did the technician handle the requestcorrectly?

Yes, the technician handled the requestcorrectly.No, the technician should have sent the user instructions in anemail.No, the technician should not have used the user's telephone for a personalcall.No, the technician should have directed the user to the network software's documentation on theInternet.

Question 28 of 100

As you troubleshoot a problem during a customer appointment, you discover the problem is directly related to the customer's actions. How should you bestaddress the situation?

Tactfully explain the problem without accusing or judging the customer.

Fix the problem without saying anything, realizing that you'll probably be back again for the sameproblem.Ask the customer "What did you do to it?"

Explain the problem with abbreviations for wellknowncomponents.

Question 29 of 100

You work at the IT Help Desk in your company. An employee calls to report a problem with her workstation and a service ticket is assigned to you. Yourespond to the service ticket immediately and arrive at the employee's workstation within minutes; however, when you begin speaking to her, you can'tunderstand what she is saying because she is speaking Spanish, and you do not understand Spanish.

What should you do?

Walk away and assign the problem to someoneelseFind aninterpreterIgnore the user and start working on thecomputerUse hand gestures tocommunicate

Question 30 of 100

You need to attach an RJ45 connector to the end of a Cat 6 UTP cable. Which tool should you use?

Crimper

Multimeter

Tone probe

Punchdown tool

Question 31 of 100

You need to trace the route that a Cat 6 UTP cable takes through the ceiling and walls of your building. Which tool should youuse?

Cable



testerMultimeter

Tone probe

Punchdown tool

Question 32 of 100

You need to connect the end of a Cat 6 UTP cable to a 110 punch down block. Which tool should you use?

Crimper

Loopback plug

CabletesterPunchdown tool

Question 33 of 100

What are loopback plugs usedfor?

Testing ports by returning output signals as input.

Grabbing and lifting smallobjects.Removing broken pins from withinsockets.Connecting computers together without using network cards ormodems.

Question 34 of 100

Which tool would you use to grab and lift smallobjects?

3prong holder

Crimper with interchangeabledieIC extractor

Multimeter

Question 35 of 100

Which tool would you use to measure electrical properties such as voltage, amps, andresistance?

Multimeter

Crimper with interchangeabledieIC extractor

Mini electronic combination wrenchset

Question 36 of 100

A printer is behaving erratically and you suspect a faulty parallel port. Which tool can you use to test the parallelport?

Loopback plug

Crimper

Multimeter

Ammeter

Question 37 of 100

You suspect that the power supply in your desktop PC is failing. You want to use a multimeter to test the power supply. Which multimeter setting should you



use?Ohms

DC volts

AC volts

Watts

Question 38 of 100

Which of the following tools is specifically designed to test the DC voltage on a hard disk drive powerconnector?

CabletesterLoopback plug

Multimeter

Power supplytester

Question 39 of 100

Which tool would be the best choice to remove and replace the motherboard BIOSchip?

ScrewdriverCombination ratchet

IC extractor

Needlenosepliers

Question 40 of 100

You are removing screws within a computer, but several have fallen into places you can't reach. Which tool would help retrieve the smallscrews?

ScrewdriverExtension magnet

IC extractor

Needlenosepliers

Question 41 of 100

Which of the following features should you look for when selecting a vacuum cleaner for your cleaning kit? (Selecttwo)

A vacuum cleaner that blows as well asvacuumsStatic induction motor

WashablefiltersNonstaticgeneratingCoarse gradebag

Question 42 of 100

Which of the following statements about cleaning monitors and display devices istrue?

Monitors are best cleaned while powered on so that you will be able to observe the effectiveness of yourcleaning.An LCD monitor is best cleaned using a lint rag and glasscleaner.You should clean the monitor while it is powered off with a lintfreecloth.Most new monitors are selfcleaning and should not be cleaned using externalmethods.



Question 43 of 100

Which of the following is most helpful in keeping a computer cool? (Selecttwo.)

Vacuum dust from the systemregularly.Remove a slot cover from the back of thecomputer.Use a highwattage powersupply.Install a thermostat in the fan circuit.

Verify that cooling fans are not circulating air in the wrongdirections.

Question 44 of 100

Which of the following are common tools used to physically clean the inside of a computer? (Selecttwo.)

CompressedairNatural bristlebrushWirebrushDampragIndustrialdegreaser

Question 45 of 100

You are trying to help a coworker order a UPS for each PC in her remote office location. What rating is used to specify the size of aUPS?

VA

Watts

Volts

Volt/ohm

Question 46 of 100

Which of the following devices help protect against temporary, abovenormalvoltages?

Grounding wire

Surge protector

ESD grounding strap

Powerstrip

Question 47 of 100

Besides protecting a computer from undervoltages, a typical UPS also performs which other actions? (Selecttwo.)

Protects from overvoltagesConditions the powersignalPrevents electric shock

Prevents ESD

Protects network cabling fromEMI

Question 48 of 100

Which device type should typically not be plugged into a protected outlet on a UPS unit?



LaserprinterInkjet printer

External hard disk drive

Secondary monitor

Question 49 of 100

A new laptop was delivered to your home and left on the porch while you were at work. It is very cold outside, and you don't know how long it has beenthere. You unpack the computer and would like to know if it is working properly.

What should you do?

Let the computer warm up to room temperature before turning iton.Turn on the computer and run selfdiagnostictests.Remove the back cover and blow out the inside with compressed air before turning iton.Visually inspect the LCD screen for cracks before turning iton.Place the laptop next to a heater set on High to warm itup.

Question 50 of 100

While answering Help Desk calls, a field customer calls and complains that he cannot print to a workgroup laserprinter.Which of the following should be the first question you ask?

Have you checked the cables?

Have you rebooted the printer?

Have you ever printed to that printer?

Have you rebooted and chosen safemode?

Question 51 of 100

Good documentationwill:

Save you time and money in troubleshooting problems.

Eliminate the need to troubleshootproblems.Reduce hardwaremaintenance.All of the above.

Question 52 of 100

A user sends a print job to a network printer and it prints page after page of random characters. He calls the Help Desk and a technician discovers thatsomehow the wrong printer driver had been loaded on the user's workstation. The technician loads the correct driver, verifies that the system workscorrectly, and documents the resolution.

What else should she do?

Nothing, the incident should be closed.

Write an email to the user's supervisor insisting that he train his employees on how to use the networkprinter.Disable the network printer for a couple of days until users learn to use the correctdrivers.Educate the user as to how the problem was resolved and verify that they are satisfied with theresults.Upgrade to a newer printer that uses embeddeddrivers.

Question 53 of 100

You have just installed a new USB card reader in your Windows computer. Every time you perform a certain action using the card reader, you get an error



message that you've never seen before.What should you do first?

Check the manufacturer's website for information about theerror.Replace the card reader with a newdevice.Install the device on anothercomputer.Uninstall the device, then reinstall it.

Question 54 of 100

You are responsible for managing client workstations for your company. A frantic user calls you one morning exclaiming that "nothing isworking."What should you do first in your troubleshooting strategy?

Identify the problem

Establish a theory

Establish a plan of action

Find out what has changed

Back up the system

Question 55 of 100

A user reports that the projector in the conference room has display issues when it is connected to his laptop. After identifying the cause and completelyresolving the issue, the projector displays the images perfectly both on his laptop and on the projector.

What should you do next in your troubleshooting strategy?

Nothing. You have completed the job.

Establish what has changed.

Document the solution.

Test the solution.

Question 56 of 100

A user reports that her monitor has stopped working. While troubleshooting the issue, you discover a bad video card in the system. You replace the card andconnect the monitor cable to the card.

What should you do next in your troubleshooting strategy?

Explain what you did to fix the problem.

Document the solution.

Test the solution.

Implement preventativemeasures.

Question 57 of 100

A user reports that he cannot access several network files. After some investigation, you determine that the problem is with a networkserver.What should you do next?

Determine if escalation isneeded.Create an actionplan.Fix the problem.

Document the problem.

Question 58 of 100



A user reports that she can't turn her computer on. After some investigation, you find that the power supply ismalfunctioning.What should you do next?

Create an actionplan.Determine if escalation isneeded.Fix the problem.

Document the problem.

Question 59 of 100

A user reports that he is unable to access data on an external hard drive. You investigate the problem and determine that the USB cable connection to thehard drive is damaged. You replace the cable.

What should you do next?

Document the problem and solution.

Test the solution.

Determine if escalation isnecessary.Create an actionplan.

Question 60 of 100

A user reports that he can't send print jobs to a specific printer. You go to the user's computer and reproduce theproblem.What should you do next?

Establish a plan of action.

Determine if anything haschanged.Establish the most probablecause.Determine if escalation isnecessary.

Question 61 of 100

A user reports that her system is running slow when saving files. You determine that you will need to upgrade her hard disk. You identify the componentsthat are required and decide to schedule the repair for later that afternoon.

Up to this point, which step have you forgotten in your troubleshooting process?

Perform a backup.

Implement the solution.

Verify system functionality.

Create an actionplan.

Question 62 of 100

You are looking at a female TRS connector on thecomputer.Which device uses thisconnector?

Speaker

Joystick

Keyboard

Monitor

Question 63 of 100

You purchased a new LED monitor for your computer. On the back of the monitor you see the following port (picturedbelow).



Which type of cable should you use to connect the monitor to your computer?

HDMIcableDisplayPort cable

VGAcableDVI cable

Question 64 of 100

You are connecting an older, dot matrix printer to a computer. The printer's cable is a Dshaped connector with 25pins.Which port type does the printer connect to?

ParallelportSerial port

USB port

VGA port

Question 65 of 100

You are providing telephone support for a user who is trying to connect a computer to a projector. You know that the projector only has a VGAport.How would you describe the connector that the user should lookfor?

Dshaped with 15 pins

Dshaped with 25 pins

Round with 6 pins

Rectangle with one beveledcorner

Question 66 of 100

Consider the external ports for a typical PC system (picturedbelow).Drag the port type on the left to the letter on the right that best identifies it. (Each type can be usedonce.)

Drag

IEEE 1394 DVI RJ45

USB HDMI RJ11

FiberS/PDIF

Thunderbolt Audio Jack

VGA

DropA B C

D E F

G H I

J



Question 67 of 100

Consider the cable connectors used by various peripheral devices (picturedbelow).Drag the letter on the left to the peripheral device on the right that would most likely use the connectortype. Each connector may be used more than once.

Drag

A B C D

E F G H

I J

DropExternalStorageDevice

AnalogMonitor

VideoCamera

HDTV DialupModem

HomeTheater

DigitalMonitor(withoutaudio)

NetworkAdapter

LCDMonitor

Headphones

Question 68 of 100

Which of the following are considered computer hardware? (Selecttwo.)

Motherboard

DriversOperating System



Microsoft Office

Printer

Question 69 of 100

Which computer function takes data through a series of procedures as defined by a set ofinstructions?

Processing

Output

Networking

Storage

Question 70 of 100

You need to replace a broken monitor on a desktop system. You decide to replace it with a spare monitor that wasn't being used. Even though the monitor ismade by a different manufacturer than the desktop computer, it still works with the computer.

Which computer design concept makes thispossible?

Standardization

Componentization

FirmwarePlug and play

Question 71 of 100

Which of the following are considered input devices? (Selectthree.)

Scanner

Microphone

Keyboard

RAM

Monitor

Printer

Question 72 of 100

Drag the computer function on the left with its associated hardware component on the right. (Each option can be used more thanonce.)

Drag

Input Processing Storage

Output

DropHard diskdrive

Printer Touchscreen

CPU Speakers RAM

DVDRW Microphone

Question 73 of 100

Which connector on the back of a computer is used to attach a mouse to a modern PCsystem?

Mini



DINHighdensity (three row), female DB15RJ45

Lowdensity (two row), female DB15USB A

USB B

Question 74 of 100

You are looking at a highdensity (threerow) female DB15 connector on the computer as shown in the figure below. What device uses thisconnector?

IEEE 1284 printers

External modems that use a serialportVGA/SVGAmonitorsUSB storage devices

Question 75 of 100

You are helping a customer over the phone who needs to connect a monitor that uses a digital interface. Which port should you instruct her to look for onthe back of her PC?

Serial DB15SVGA DB15 3rowDVI

Firewire 6pin

Question 76 of 100

Which Windows component can be used to display information such as weather forecasts, time, and news headlines on thedesktop?

Gadgets

Computer Management

NotificationAreaUser Account Control (UAC)

Question 77 of 100

Which component of Windows prompts the user for credentials or permission to minimize the dangers of unintended softwareinstallations?

Firewall with AdvancedSecurityDefender

FirewallUser Account Control (UAC)

Question 78 of 100

Which of the following items are likely to be displayed in the Notification Area of a computer running the Windows operating system? (Selecttwo.)

The current time

Icons representing all currently opendocuments



Icons representing all currently openapplicationsA volume control

Shortcuts to launch recently used applications

Shortcuts to open recently used documents

Question 79 of 100

Which Windows tools would you use to browse the file system on a drive? (Selectthree.)

Network

Taskbar

Computer

WindowsExplorerNotificationAreaFile Explorer

Question 80 of 100

Which operating system(s) include the followingfeatures?• Cortana• Cloud storage• Continuum• Microsoft Store• Microsoft Edge

Windows 10

Windows 10 and Windows7Mac

Linux

Mac and Linux

Question 81 of 100

Which of the following is the term used for a set of programs that acts as an interface between the applications that are running on a computer and thecomputer's hardware?

Operating system

Kernel

Driver

Command line

Utilities

Question 82 of 100

What type of cable configuration is shown here and what is it usedfor?



Crossover cable configuration. Used to connect computers directly to one another fornetworking.Patch (or straightthough) cable configuration. Used the connect computers to network devices, such as switches andhubs.RJ11 configuration. Used to connect wireless routers to phone lineconnections.Rollover cable configuration. Used to connect computers to routers for consolemanagement.

Question 83 of 100

Which kind of connector do you use to connect a modem to a standard telephoneline?

RJ11

RJ45

RG58

Ftype

Question 84 of 100

Which of the following situations is more likely to justify the investment in Category 6a cable instead of Category6?

The work area has a lot of electromagnetic interference(EMI).The cable needs to be run though under the floor.

Users will be streaming a lot ofvideo.Users will be doing a lot of high resolutionprinting.

Question 85 of 100

Which connector is used with unshielded twisted pair (UTP)cable?

RJ45

BNC

AUI

DIX

Question 86 of 100

What type of cabling can be used for an Ethernet 100BaseT (100 Mbps) network? (Selecttwo.)

Category 5 UTP

Category 3 UTP

RG8 coaxialcableCategory 5e UTP

RG58 coaxialcable

Question 87 of 100

What is a major benefit of STP over UTP?

Greater resistance tointerferenceLower cost

Safer for installations in overhead ceilingspacesAbility to install longer cable lengths



Question 88 of 100

You are installing networking cable in the air space between the ceiling and the roof of a building. Which type of cabling should youuse?

Plenum

PVC

STP

Multimode fiber

Question 89 of 100

You have just signed up for a broadband home Internet service that uses coaxial cable. Which connector type will you most likelyuse?

Ftype

RJ11

RJ45

BNC

ST

Question 90 of 100

Which network type uses light pulses to transmitdata?

Satellite

Fiber optic

WirelessCable

Question 91 of 100

You are using a crimper to attach an RJ45 connector to a Cat 6 UTP cable. You need to use the T568A standard to connect the individual wires to theconnector. Which wire should be connected to pin 1?

Green withwhiteGreen

Orange with white

Blue

Question 92 of 100

What device is used to create a physical startopology?

Switch

Bridge

Router

Repeater

Question 93 of 100

Which network component connects a device to the transmission media and allows it to send and receivemessages?

Bridge

Network interface



cardSwitch

Protocol

Question 94 of 100

Which of the following statements accurately describes how a modem works? (Selecttwo.)

It communicates over a telephone network using digitalsignals.It modulates digital data from the PC into analog data and transmits it on a telephonenetwork.It modulates digital data from a telephone network into analog data that a PC canuse.It transmits digital signals over ordinary telephone copper wiring at a rate up to 128Kbps.It demodulates analog data from a telephone network into digital PCdata.It demodulates analog PC data into digital data that can be transmitted through a telephonenetwork.

Question 95 of 100

Which of the following is a valid MACaddress?

192.168.12.15

255.255.255.0

7399126115

C034FF15018E349A861GB324835A5B0B3155F1

Question 96 of 100

A host wants to send a message to another host with the IP address 115.99.80.157. IP does not know the hardware address of the destination device.Which protocol can be used to discover the MAC address?

BOOTP

DHCP

ARP

DNS

Question 97 of 100

Which of the following LAN devices receives a signal on one port, and forwards that signal only to the port where the destination device isconnected?

Hub

Switch

Router

Networkadapter

Question 98 of 100

Which of the following best describes how a switchfunctions?

It connects multiple cable segments (or devices), and forwards frames to the appropriatesegment.It connects multiple cable segments (or devices), and broadcasts frames to all of itsports.It connects multiple segments of different architectures. It translates frames, and forwards them to the appropriate



segment.It connects multiple segments of different architectures. It translates frames, and broadcasts them to all of itsports.

Question 99 of 100

Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packetcontents?

Router

Bridge

Switch

Gateway

Hub

Question 100 of 100

An 8port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switchdo?

Send the frame out all 8ports.Send the frame out ports 28.

Send the frame out the destination port.

Drop theframe.

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