Under what conditions should you use a plenum grade network cable?
Select Answer
When you need to run networking cables through ventilation spaces
When the cable needs to run long uninterrupted distances
When connecting one computer directly to another computer
When connecting a switch to a router
Identify the port and connector shown in the following figure.
Select Answer
ATXv2.2 motherboard power port and connector
SATA power port and connector
EPS12V power port and connector
Molex power port and connector
Which of the following best describes DNS?
Select Answer
It assigns an automatic IP address if the DHCP server is down.
It assigns static IP addresses.
It assigns dynamic IP addresses.
It maps domain names to IP addresses.
The LCD-CCFL display screen on your PC has no image. In an attempt to troubleshoot the problem, you notice that you can see a faint image when you shine a flashlight on the screen. Which of the following do you suspect might be causing this problem?
Select Answer
The screen is not receiving power and the image you see is an after image burned into the screen before it failed.
The display cables are loose and the screen is only receiving intermittent video signals.
The display settings are configured for a secondary display or projector, but none is connected.
The backlight or inverter in the screen has failed.
You have built a CAT5e cable using a T568B pinout. What type of connector did you use?
Select Answer
RJ-11
RJ-45
BNC
SC
Which of the following networking devices connects two network sections or two LANs together?
Select Answer
NIC
Switch
Bridge
Hub
Which of the following operating systems does Apple tables use?
Select Answer
Windows Mobile
iOS
Android
Windows 10
Which of the following describes the developing step in the laser printing process?
Select Answer
The toner and the unexposed portion of the drum are both at -600 volts.
The unexposed portion of the drum is at -600 volts and the toner is at -100 volts.
The toner is at -600 volts and the unexposed portion of the drum is at -100 volts.
The toner and the unexposed portion of the drum are both at -100 volts.
As a technician, you will carry a variety of tools in your tool kit and you will need to know how to use them. Identify the tool in the following figure and describe its use.
Select Answer
Wire stripper for removing the outer jacket from a cable.
Crimper for securing a connector to the end of a cable.
Cable tester for testing each wire in a cable to ensure that it is wired in the correct order.
Punchdown tool for connecting wires to a patch panel.
Which class is the IP address, subnet mask, and default gateway, as shown in the following figure?
Select Answer
Class A
Class B
Class C
Class D
You work in the IT department for a small company and have been asked to test the power supply for a user's computer. Which of the following DC voltage results would lead you to suspect that the power supply is beginning to fail?
Select Answer
+12.0 volts
-5.0 volts
+8.0 volts
+3.3 volts
You are ready to install a new Thunderbolt card. You plug the card into a PCIe x4 slot. What should you do with the cable and connector indicated in the figure?
Select Answer
Plug the connector into a power receptacle.
Plug the connector into a DisplayPort.
Plug the connector into a USB Type C port.
Plug the connector into a motherboard header.
You want to know how many documents are in the printer's memory waiting to be printed. Where would you go to see this information?
Select Answer
The Printer Preferences
The Printer Properties pages
The print queue
The printer's Troubleshooting pages
You are expanding your home network to include a Windows server and Windows, Linux, and OS X workstations. File and Printer Sharing has been enabled. What other application should you install on your network to enable file and printer sharing among the Windows server and the Windows, Linux, and OS X workstations?
Select Answer
SiSoftware Sandra
CAD/CAM software
Samba
Belarc System Advisor
A client calls you complaining that his computer's clock has been losing time for several weeks. The computer seems to be working fine, but it is annoying for the clock to always be wrong. What advice would you give the client?
Select Answer
There is nothing seriously wrong with the computer, and he should just reset the clock.
The CMOS battery is failing and should be replaced.
At least one of the computer's memory modules is failing and should be replaced.
The CPU is failing and should be replaced.
Certain keys on your laptop are configured to perform more than one function. How would you use these keys to perform more than one command?
Select Answer
Activate tethering on your computer.
Press one of these keys and the Shift and Ctrl keys simultaneously.
Use a docking station to activate the second function.
Hold down the Fn key while pressing one of these keys.
Which of the following is a private Class A address?
Select Answer
297.32.167.49
168.32.167.49
172.32.167.49
10.32.167.49
Which of the following would allow your laptop to borrow an Internet connection from your smartphone?
Select Answer
Tethering
NFC
Smart card
Docking
You are a repair technician and you are replacing the CPU in a client's laptop. You have removed the CPU/heat sink/fan assembly and have installed the new CPU. You have also determined that you can reuse the original heat sink and fan. Which of the following should you do next?
Select Answer
Install the heat sink between the CPU and the fan.
Install the fan between the CPU and the heat sink.
Apply new thermal paste between the heat sink and the fan.
Clean the old thermal paste from the heat sink.
EMI and RFI tend to affect which types of networks the most?
Select Answer
UTP
STP
Coaxial
Fiber optic
You have a client who wants to build a high-performance computer with the fastest hard drive possible and cost is not a consideration. Which of the following hard drives should you recommend?
Select Answer
A hard drive with a spin rate of 5400 rpm
A hard drive with a spin rate of 7200 rpm
A hard drive with a spin rate of 10000 rpm
A hard drive with a spin rate of 25000 rpm
Which of the following does Apple use for file transfers for iTunes using Apple Pay?
Select Answer
FTP
ATM
NFC
GSM
What is the fastest data transmission speed supported by a CAT6 gigabit Ethernet network?
Select Answer
100 Mbps
1000 Mbps
10,000 Mbps
100,000 Mbps
Which of the following Wi-Fi standards supports multiuser MIMO?
Select Answer
802.11ac
802.11b
802.11g
802.11n
You have been having problems loading a new app on your tablet. When you begin troubleshooting this problem, which of the following should you check? (Choose all that apply.)
Select All That Apply
Check power to be sure the battery is fully charged.
Be sure that your system has enough storage space to run a new app.
Remove the CD from the CD player so the app can load.
Check RAM.
You are in an area with poor Wi-Fi coverage and your smartphone is having difficulty getting a strong cellular signal. Which of the following options might help improve your cellular signal?
Select Answer
Turn off all apps that are not needed as that will boost power to the wireless receiver.
Turn off Wi-Fi.
Move away from others who might also be using mobile devices as some of those devices tend to interfere with each other.
Switch to airplane mode for better reception.
Which type of printer uses a tractor feed system to push or pull the paper through the printer?
Select Answer
Laser printer
Inkjet printer
Thermal printer
Impact printer
Identify the feature indicated on the keyboard in the following diagram.
Select Answer
Touchpad
Pointing stick
Special function key
Shift key
You want to add the FireWire 400 multiport card shown below to your PC. Into what type of expansion slot should you install the new card?
Select Answer
PCI
PCIe x1
PCIe x4
PCIe x16
While watching a video on your laptop, you receive a phone call. Your laptop has a function key with the symbol of a muted volume control on it in blue. How would you use this key to mute the video before answering the phone?
Select Answer
Hold down the Fn key while simultaneously pressing the mute volume key.
Hold down the Shift key while simultaneously pressing the mute volume key.
Hold down the Shift+Ctrl key while simultaneously pressing the mute volume key.
Hold down the Alt key while simultaneously pressing the mute volume control key.
You are troubleshooting a color inkjet printer and you find that when it prints a document with color images, the colors come out wrong. Which of the following is probably the cause of this type of problem?
Select Answer
One of the color toner cartridges may be empty.
Check the printer cable to be sure that it is not loose.
The printer probably has a clogged print head.
The printer port is not properly configured.
You have an older computer on which you have just upgraded some of the components. As part of the upgrade process, you enter the BIOS startup configuration program and configure AHCI. What will this do?
Select Answer
AHCI allows more efficient power utilization.
AHCI allows SATA drives to be hot-swappable.
AHCI allows you to configure a RAID array.
AHCI allows faster access to newly installed memory.
Which of the following connectors does an ExpressCard/54 use?
Select Answer
26-contact connector
34-contact connector
54-contact connector
75-contact connector
You have just bought a new Fitbit activity tracker. You have charged the Fitbit, but your smartphone does not recognize it. How would you solve this problem?
Select Answer
Enable the IR receiver in your smartphone.
Enable Bluetooth on your smartphone.
Enable Wi-Fi on your Fitbit.
Enable Wi-Fi on your smartphone.
When a smartphone or tablet is used by one or more wireless devices to connect to the Internet, it is referred to as a
Select Answer
Hub
Switch
Bridge
Hot spot
Your motherboard has a PCI-X slot, a PCIe x1 slot, and a PCIe x16 slot but no PCI slot. Into which slot could you install a PCI card?
Select Answer
PCI-X slot
PCIe x1 slot
PCIe x16 slot
PCI card is old technology, and you cannot install a PCI card in any of the slots on this motherboard.
You have tried to print a document containing a large number of graphics on your laser printer, but the printer does not have enough memory to handle all the graphics. You do not have time to go to your favorite electronics store to buy more memory for your printer, so you decide to lower the resolution of the graphics. Which of the following options is the lowest resolution you should choose for photographs? Below this resolution the degradation in quality will be noticeable.
Select Answer
2400dpi
1200dpi
600dpi
300dpi
Which class is the IP address and subnet mask, as shown in the following diagram?
Select Answer
Class A
Class B
Class C
Class D
Your IT supervisor has asked you to install docking stations for several of your company's employees who want to bring their laptops to work. What advantage does a docking station provide?
Select Answer
A docking station increases the speed at which a mobile device can work.
A docking station provides additional ports for a laptop or other mobile device.
A docking station allows your mobile devices to receive Wi-Fi anywhere in the building.
A docking station allows your laptop to become an audiovisual workstation.
When designing a network for a client, you recommend connecting a UPS to the server. The client is not sure that having a UPS is worth the cost. Which of the following reasons should you give to support your recommendation?
Select Answer
A UPS is a backup server that automatically functions in case the primary server fails.
A UPS contains a duplicate hard drive that provides a real-time backup for information stored on the server.
A UPS is a backup battery that keeps the server running long enough to shut it down safely during a power outage.
A UPS backs up the server's files every evening after the day's work is finished.
Your client wants you to create a system that provides a real-time backup of critical data. You decide to install a RAID array using two drives that contain identical information. Any changes to one drive automatically are copied to the other drive in real time. What type of RAID do you plan to install?
Select Answer
RAID 0
RAID 1
RAID 5
RAID 10
The Thunderbolt 1 and 2 technology accept the same connector interface as which of the following?
Select Answer
USB
DisplayPort
Mini DisplayPort
HDMI
In which of the following types of systems might you use a SODIMM?
Select Answer
In a desktop PC
In a laptop computer
In a server
In a gaming computer
Which of the following networking devices connects one network to another network, usually through a fast public telecommunication system?
Select Answer
Router
Switch
Bridge
Hub
A client has come to you for advice about buying a new mechanical hard disk drive. As you explain to him the characteristics of various hard drives, which of the following will NOT be a consideration?
Select Answer
Spin rate
Cache size
Areal density
SLC (single-level cell) or MLC (multilevel cell)
Which of the following is a connectionless session in which packet delivery is not checked?
Select Answer
UDP
TCP
DHCP
DNS
You are installing a new CPU, heat sink, and fan. What should you place between the CPU and the heat sink to improve thermal conductivity away from the CPU?
Select Answer
Thermal blanket
Mylar insulating sheet
Thermal paste
Fiberglass insulation
You are building a custom computer and have chosen an AMD Trinity series CPU and dual-channel DDR3 memory. What type of motherboard socket should you choose?
Select Answer
FM2
FM2+
AM3
AM3+
You are configuring a DNS server. What is the default port that you would use in this configuration?
Select Answer
25
80
53
110
A video card has several connectors for different types of displays. Which of the following is used for a VGA display?
Select Answer
DisplayPort
BNC
RCA
DB-15
QUESTION 1 of 50
Networking
Under what conditions should you use a plenum grade network cable?
Select Answer
When you need to run networking cables through ventilation spaces
When the cable needs to run long uninterrupted distances
When connecting one computer directly to another computer
When connecting a switch to a router
Identify the port and connector shown in the following figure.
Select Answer
ATXv2.2 motherboard power port and connector
SATA power port and connector
EPS12V power port and connector
Molex power port and connector
Which of the following best describes DNS?
Select Answer
It assigns an automatic IP address if the DHCP server is down.
It assigns static IP addresses.
It assigns dynamic IP addresses.
It maps domain names to IP addresses.
The LCD-CCFL display screen on your PC has no image. In an attempt to troubleshoot the problem, you notice that you can see a faint image when you shine a flashlight on the screen. Which of the following do you suspect might be causing this problem?
Select Answer
The screen is not receiving power and the image you see is an after image burned into the screen before it failed.
The display cables are loose and the screen is only receiving intermittent video signals.
The display settings are configured for a secondary display or projector, but none is connected.
The backlight or inverter in the screen has failed.
You have built a CAT5e cable using a T568B pinout. What type of connector did you use?
Select Answer
RJ-11
RJ-45
BNC
SC
Which of the following networking devices connects two network sections or two LANs together?
Select Answer
NIC
Switch
Bridge
Hub
Which of the following operating systems does Apple tables use?
Select Answer
Windows Mobile
iOS
Android
Windows 10
Which of the following describes the developing step in the laser printing process?
Select Answer
The toner and the unexposed portion of the drum are both at -600 volts.
The unexposed portion of the drum is at -600 volts and the toner is at -100 volts.
The toner is at -600 volts and the unexposed portion of the drum is at -100 volts.
The toner and the unexposed portion of the drum are both at -100 volts.
As a technician, you will carry a variety of tools in your tool kit and you will need to know how to use them. Identify the tool in the following figure and describe its use.
Select Answer
Wire stripper for removing the outer jacket from a cable.
Crimper for securing a connector to the end of a cable.
Cable tester for testing each wire in a cable to ensure that it is wired in the correct order.
Punchdown tool for connecting wires to a patch panel.
Which class is the IP address, subnet mask, and default gateway, as shown in the following figure?
Select Answer
Class A
Class B
Class C
Class D
You work in the IT department for a small company and have been asked to test the power supply for a user's computer. Which of the following DC voltage results would lead you to suspect that the power supply is beginning to fail?
Select Answer
+12.0 volts
-5.0 volts
+8.0 volts
+3.3 volts
You are ready to install a new Thunderbolt card. You plug the card into a PCIe x4 slot. What should you do with the cable and connector indicated in the figure?
Select Answer
Plug the connector into a power receptacle.
Plug the connector into a DisplayPort.
Plug the connector into a USB Type C port.
Plug the connector into a motherboard header.
You want to know how many documents are in the printer's memory waiting to be printed. Where would you go to see this information?
Select Answer
The Printer Preferences
The Printer Properties pages
The print queue
The printer's Troubleshooting pages
You are expanding your home network to include a Windows server and Windows, Linux, and OS X workstations. File and Printer Sharing has been enabled. What other application should you install on your network to enable file and printer sharing among the Windows server and the Windows, Linux, and OS X workstations?
Select Answer
SiSoftware Sandra
CAD/CAM software
Samba
Belarc System Advisor
A client calls you complaining that his computer's clock has been losing time for several weeks. The computer seems to be working fine, but it is annoying for the clock to always be wrong. What advice would you give the client?
Select Answer
There is nothing seriously wrong with the computer, and he should just reset the clock.
The CMOS battery is failing and should be replaced.
At least one of the computer's memory modules is failing and should be replaced.
The CPU is failing and should be replaced.
Certain keys on your laptop are configured to perform more than one function. How would you use these keys to perform more than one command?
Select Answer
Activate tethering on your computer.
Press one of these keys and the Shift and Ctrl keys simultaneously.
Use a docking station to activate the second function.
Hold down the Fn key while pressing one of these keys.
Which of the following is a private Class A address?
Select Answer
297.32.167.49
168.32.167.49
172.32.167.49
10.32.167.49
Which of the following would allow your laptop to borrow an Internet connection from your smartphone?
Select Answer
Tethering
NFC
Smart card
Docking
You are a repair technician and you are replacing the CPU in a client's laptop. You have removed the CPU/heat sink/fan assembly and have installed the new CPU. You have also determined that you can reuse the original heat sink and fan. Which of the following should you do next?
Select Answer
Install the heat sink between the CPU and the fan.
Install the fan between the CPU and the heat sink.
Apply new thermal paste between the heat sink and the fan.
Clean the old thermal paste from the heat sink.
EMI and RFI tend to affect which types of networks the most?
Select Answer
UTP
STP
Coaxial
Fiber optic
You have a client who wants to build a high-performance computer with the fastest hard drive possible and cost is not a consideration. Which of the following hard drives should you recommend?
Select Answer
A hard drive with a spin rate of 5400 rpm
A hard drive with a spin rate of 7200 rpm
A hard drive with a spin rate of 10000 rpm
A hard drive with a spin rate of 25000 rpm
Which of the following does Apple use for file transfers for iTunes using Apple Pay?
Select Answer
FTP
ATM
NFC
GSM
What is the fastest data transmission speed supported by a CAT6 gigabit Ethernet network?
Select Answer
100 Mbps
1000 Mbps
10,000 Mbps
100,000 Mbps
Which of the following Wi-Fi standards supports multiuser MIMO?
Select Answer
802.11ac
802.11b
802.11g
802.11n
You have been having problems loading a new app on your tablet. When you begin troubleshooting this problem, which of the following should you check? (Choose all that apply.)
Select All That Apply
Check power to be sure the battery is fully charged.
Be sure that your system has enough storage space to run a new app.
Remove the CD from the CD player so the app can load.
Check RAM.
You are in an area with poor Wi-Fi coverage and your smartphone is having difficulty getting a strong cellular signal. Which of the following options might help improve your cellular signal?
Select Answer
Turn off all apps that are not needed as that will boost power to the wireless receiver.
Turn off Wi-Fi.
Move away from others who might also be using mobile devices as some of those devices tend to interfere with each other.
Switch to airplane mode for better reception.
Which type of printer uses a tractor feed system to push or pull the paper through the printer?
Select Answer
Laser printer
Inkjet printer
Thermal printer
Impact printer
Identify the feature indicated on the keyboard in the following diagram.
Select Answer
Touchpad
Pointing stick
Special function key
Shift key
You want to add the FireWire 400 multiport card shown below to your PC. Into what type of expansion slot should you install the new card?
Select Answer
PCI
PCIe x1
PCIe x4
PCIe x16
While watching a video on your laptop, you receive a phone call. Your laptop has a function key with the symbol of a muted volume control on it in blue. How would you use this key to mute the video before answering the phone?
Select Answer
Hold down the Fn key while simultaneously pressing the mute volume key.
Hold down the Shift key while simultaneously pressing the mute volume key.
Hold down the Shift+Ctrl key while simultaneously pressing the mute volume key.
Hold down the Alt key while simultaneously pressing the mute volume control key.
You are troubleshooting a color inkjet printer and you find that when it prints a document with color images, the colors come out wrong. Which of the following is probably the cause of this type of problem?
Select Answer
One of the color toner cartridges may be empty.
Check the printer cable to be sure that it is not loose.
The printer probably has a clogged print head.
The printer port is not properly configured.
You have an older computer on which you have just upgraded some of the components. As part of the upgrade process, you enter the BIOS startup configuration program and configure AHCI. What will this do?
Select Answer
AHCI allows more efficient power utilization.
AHCI allows SATA drives to be hot-swappable.
AHCI allows you to configure a RAID array.
AHCI allows faster access to newly installed memory.
Which of the following connectors does an ExpressCard/54 use?
Select Answer
26-contact connector
34-contact connector
54-contact connector
75-contact connector
You have just bought a new Fitbit activity tracker. You have charged the Fitbit, but your smartphone does not recognize it. How would you solve this problem?
Select Answer
Enable the IR receiver in your smartphone.
Enable Bluetooth on your smartphone.
Enable Wi-Fi on your Fitbit.
Enable Wi-Fi on your smartphone.
When a smartphone or tablet is used by one or more wireless devices to connect to the Internet, it is referred to as a
Select Answer
Hub
Switch
Bridge
Hot spot
Your motherboard has a PCI-X slot, a PCIe x1 slot, and a PCIe x16 slot but no PCI slot. Into which slot could you install a PCI card?
Select Answer
PCI-X slot
PCIe x1 slot
PCIe x16 slot
PCI card is old technology, and you cannot install a PCI card in any of the slots on this motherboard.
You have tried to print a document containing a large number of graphics on your laser printer, but the printer does not have enough memory to handle all the graphics. You do not have time to go to your favorite electronics store to buy more memory for your printer, so you decide to lower the resolution of the graphics. Which of the following options is the lowest resolution you should choose for photographs? Below this resolution the degradation in quality will be noticeable.
Select Answer
2400dpi
1200dpi
600dpi
300dpi
Which class is the IP address and subnet mask, as shown in the following diagram?
Select Answer
Class A
Class B
Class C
Class D
Your IT supervisor has asked you to install docking stations for several of your company's employees who want to bring their laptops to work. What advantage does a docking station provide?
Select Answer
A docking station increases the speed at which a mobile device can work.
A docking station provides additional ports for a laptop or other mobile device.
A docking station allows your mobile devices to receive Wi-Fi anywhere in the building.
A docking station allows your laptop to become an audiovisual workstation.
When designing a network for a client, you recommend connecting a UPS to the server. The client is not sure that having a UPS is worth the cost. Which of the following reasons should you give to support your recommendation?
Select Answer
A UPS is a backup server that automatically functions in case the primary server fails.
A UPS contains a duplicate hard drive that provides a real-time backup for information stored on the server.
A UPS is a backup battery that keeps the server running long enough to shut it down safely during a power outage.
A UPS backs up the server's files every evening after the day's work is finished.
Your client wants you to create a system that provides a real-time backup of critical data. You decide to install a RAID array using two drives that contain identical information. Any changes to one drive automatically are copied to the other drive in real time. What type of RAID do you plan to install?
Select Answer
RAID 0
RAID 1
RAID 5
RAID 10
The Thunderbolt 1 and 2 technology accept the same connector interface as which of the following?
Select Answer
USB
DisplayPort
Mini DisplayPort
HDMI
In which of the following types of systems might you use a SODIMM?
Select Answer
In a desktop PC
In a laptop computer
In a server
In a gaming computer
Which of the following networking devices connects one network to another network, usually through a fast public telecommunication system?
Select Answer
Router
Switch
Bridge
Hub
A client has come to you for advice about buying a new mechanical hard disk drive. As you explain to him the characteristics of various hard drives, which of the following will NOT be a consideration?
Select Answer
Spin rate
Cache size
Areal density
SLC (single-level cell) or MLC (multilevel cell)
Which of the following is a connectionless session in which packet delivery is not checked?
Select Answer
UDP
TCP
DHCP
DNS
You are installing a new CPU, heat sink, and fan. What should you place between the CPU and the heat sink to improve thermal conductivity away from the CPU?
Select Answer
Thermal blanket
Mylar insulating sheet
Thermal paste
Fiberglass insulation
You are building a custom computer and have chosen an AMD Trinity series CPU and dual-channel DDR3 memory. What type of motherboard socket should you choose?
Select Answer
FM2
FM2+
AM3
AM3+
You are configuring a DNS server. What is the default port that you would use in this configuration?
Select Answer
25
80
53
110
A video card has several connectors for different types of displays. Which of the following is used for a VGA display?
Select Answer
DisplayPort
BNC
RCA
DB-15
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