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WorksheetsIT Essentials 7.0 Final Exam (Chapters 1-9)
Total questions: 127
Worksheet time: 1hrs 11mins
In which situation would an ESD strike potentially cause harm to the PC?
when installing a dual-voltage power supply
when installing an additional display in a workplace cubicle
when using a grounded mat and working on a computer on an ungrounded workbench
when replacing a mechanical hard drive with an M.2 SSD
A person has started a new technical job. In which situation would ESD be an issue?
when using a grounded mat and working on a computer on an ungrounded workbench
when installing a dual-voltage power supply
when installing a processor
while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer
A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?
when replacing a motherboard
when installing a dual-voltage power supply
while attaching speakers to a surround sound card
when using a grounded mat and working on a computer on an ungrounded workbench
An instructor has given a student an assignment to assemble a PC. In which situation should the student be aware that ESD is an issue?
when using a grounded mat and working on a computer on an ungrounded workbench
when working in a corporate environment that has carpet installed under tower PCs
when installing RAM
when installing a dual-voltage power supply
What two motherboard components control the system boot operations? (Choose two.)
Northbridge chip
UEFI chip
BIOS chip
Southbridge chip
A technician is upgrading an ATX motherboard with another ATX motherboard. Which component might be affected by this and need to be upgraded and bought as an additional purchase?
BIOS
PCIe adapter
CMOS battery
CPU
A customer has requested that a PC be built that will support eSATA. Which component should be checked to be sure that this feature is supported?
CPU
chipset
RAM module
hard disk
Which memory module used to hold instructions for booting a PC and loading the OS, but is still used on adapters even though the memory contents cannot be changed?
main memory
RAM
ROM
cache
What is a characteristic of DDR SDRAM?
DDR SDRAM modules have double the number of pins of SDRAM memory modules
It transfers data twice per clock cycle compared to once per clock cycle for SDRAM.
It is dynamic memory whereas SDRAM is static memory.
It operates at double the voltage of SDRAM memory.
What are two safety hazards when dealing with laser printers? (Choose two.)
high voltage
unwieldy card cages
proprietary power bricks
hot components
Which component requires a technician to install screws externally through the PC case?
motherboard
CPU
RAM
power supply
A technician is installing an internal HDD. To which motherboard connector will the technician connect the data cable?
SATA
PCI
ATX
PWR_SW
Refer to the exhibit. A technician has been asked to install a video card. Which section of the motherboard will the technician use to install the card?
section C
section D
section A
section B
When a PC is being assembled, what component is connected to the motherboard with a SATA cable?
the optical drive
the network interface card
the video card
the power supply
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 returns an error message that indicates the I/O address of the failing device.
The computer emits a pattern of beeps indicating the failing device.
The screen flashes with a red background and displays a warning message.
The computer automatically boots into Safe Mode and displays a warning on the screen.
Which three features can be configured in the BIOS settings to secure a computer? (Choose three.)
file encryption
drive encryption
passwords
MAC filtering
TPM
What is the purpose of RAID adapters?
to connect multiple storage devices for redundancy or speed
to allow older PCI technology expansion slots to be used
to connect peripheral devices to a PC to improve performance
to provide enhanced audio and graphic capabilities
When a new motherboard is being installed, between which two components must thermal compound be applied? (Choose two.)
CPU
heat sink
motherboard
RAM
chassis
What is the purpose of a Safety Data Sheet?
to specify procedures in the use of humidity control and prevention of moisture damage
to specify procedures in designing and building common computer systems
to specify procedures for the operation of sensitive components and prevention of electrostatic discharge
to specify procedures for dealing with potentially hazardous materials
Which negative environmental factor does cleaning the inside of a computer reduce?
dust
rust
ESD
EMI
What is a recommended procedure to follow when cleaning computer components?
Blow compressed air on cooling fans so that they will spin when dust is being removed.
Use window cleaner on LCD screens.
Hold cans of compressed air upright while spraying.
Remove the CPU before cleaning.
On the production floor, a furniture plant has laptops for process monitoring and reporting. The production floor environment is around 80 degrees Fahrenheit (27 degrees Celsius). The humidity level is fairly high around 70 percent. Fans are mounted in the ceiling for air circulation. Wood dust is prevalent. Which condition is most likely to adversely affect a laptop that is used in this environment?
the temperature
the humidity
the dust
the air flow
After a technician tests a theory of probable causes, what two actions should the technician take if the testing did not identify an exact cause? (Choose two.)
Randomly replace components one at a time until the problem is solved.
Verify full system functionality
Document each test tried that did not correct the problem.
Test all remaining possible causes starting with the most complex.
Establish a new theory of probable causes.
What would happen if a PC that contains a power supply that does not automatically adjust for input voltage is set to 230 volts and attaches to an outlet in the United States?
The PC would emit a series of beeps.
The PC would not turn on.
The PC would display an error code.
The power supply would explode.
Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure?
PAN
WAN
WNA
MAN
LAN
What are two types of wired high-speed Internet connections? (Choose two.)
cable
DSL
cellular
satellite
dial-up
In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.)
when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated
when delivery overhead is not an issue
when destination port numbers are dynamic
when applications do not need to guarantee delivery of the data
when a faster delivery mechanism is needed
The current IP configuration of a small company is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way for IP configuration of workstations. Which service would simplify the workstation IP configuration task?
APIPA
ICMP
DHCP
DNS
A company is looking for a next-generation firewall that provides VPN functionality, IDS/IPS functionality, and DoS/DDoS protection. Which device would be best suited for this task?
UTM
TPM
endpoint management server
router
multipurpose device
A student is helping a friend with a home computer that can no longer access the Internet. Upon investigation, the student discovers that the computer has been assigned the IP address 169.254.100.88. What could cause a computer to get such an IP address?
interference from surrounding devices
static IP addressing with incomplete information
unreachable DHCP server
reduced computer power supply output
What three values must be added to the IPv4 properties of a NIC in order for a computer to have basic connectivity with the network? (Choose three.)
IP address
subnet mask
domain name
DHCP server address
default gateway
A device has an IPv6 address of 2001:0DB8:75a3:0214:0607:1234:aa10:ba01 /64.
What is the host identifier of the device?
0607:1234:aa10:ba01
2001:0DB8
ba01
2001:0DB8:75a3
How can a user prevent specific applications from accessing a Windows computer over a network?
Enable MAC address filtering
Disable automatic IP address assignment.
Change default usernames and passwords.
Block specific TCP or UDP ports in Windows Firewall.
The motherboard capacities are distended, swollen, emitting residue, or bulging.
Replace the motherboard
Check fo faulting cable, damaged or mis-seated CPU to other motherboard components prior to replacing the motherboard if required
Update BIOS firmware
connect the auxiliary power cable for the adapter card
The user can hear the fans spinning but the PC will not start and there are no beeps from the speaker
Replace the motherboard.
Check fo faulting cable, damaged or mis-seated CPU to other motherboard components prior to replacing the motherboard if required
Update the BIOS firmware
connect the auxiliary power cable for the adapter card
After upgrading the single-core CPU to a dual-core CPU, only one CPU graph is seen in the task manager
Replace the motherboard.
Check fo faulting cable, damaged or mis-seated CPU to other motherboard components prior to replacing the motherboard if required
Update the BIOS firmware
Connect the auxiliary power cable for the adapter card
The computer does not display any video after installing a new PCIe video card
Replace the motherboard
Check fo faulting cable, damaged or mis-seated CPU to other motherboard components prior to replacing the motherboard if required
Update the BIOS firmware
Connect the auxiliary power cable for the adapter card
Step One in the six stages of the troubleshooting process:
establish a theory of probable cause
Identify the problem
test the theory to determine the cause
Establish a plan of action to resolve the problem and implement the solution
Step Two: in the six stages of the troubleshooting process:
Test the theory to determine the cause
Verify full functionality and if applicable, implement preventive measures
Document the finding, actions, and outcomes
Establish a theory of probable cause
Step Three in the six stages of the troubleshooting process:
Establish a plan of action to resolve the problem and implement the solution
Establish a theory of probable cause
Test the theory to determine the cause
Verify full functionality and if applicable, implement preventive measures
Step Four in the six stages of the troubleshooting process:
Test the theory to determine the cause
Establish a plan of action to resolve the problem and implement solutions
Verify full functionality and if applicable, implement preventive measures
Document findings, actions, and outcomes
Step Five in the six stages of the troubleshooting process:
Establish a plan of action to resolve the problem and implement solutions
Document findings, actions, and outcomes
Verify full functionality and if applicable, implement preventive measures
Test the theory to determine the cause
Step Six in the six stages of the troubleshooting process:
Test the theory to determine the cause
Document the findings, actions, and outcomes
Verify full functionality and if applicable, implement preventive measures
Establish a plan of action to solve the problem and implement the solution
A technician has been asked to configure Wi-Fi calling on a corporate mobile device. In which situation would this feature be most advantageous?
when in an area with poor cellular coverage
when sending WEA updates
in a store transaction making a payment using the mobile device
in an emergency situation and no minutes are left on the phone
Which statement is true about laptops?
Most of the internal components that are designed for laptops cannot be used for desktops.
Laptop CPUs do not use cooling devices.
Laptops use fewer components than desktops use.
Laptop CPUs do not use cooling devices.
Which standard provides a bridge between laptop hardware and the operating system and a way for technicians to configure power management schemes to get the best performance?
PCIe
Bluetooth
ACPI
802.11
Which two laptop components are considered replaceable by the customer. (Choose two.)
battery
mini-PCIe module
integrated card reader
Display
RAM
A user wants to synchronize some apps, movies, music, and ebooks between mobile devices. What are the two types of connections used to synchronize this type of data? (Choose two.)
NFC
USB
Bluetooth
Wi-Fi
Cellular
A user chooses the collate option and prints two copies of a three-page document. What is the order in which the pages are printed?
pages 1, 2, 3, 1, 2, 3
pages 1, 1, 2, 2, 3, 3
pages 3, 2, 1, 3, 2, 1
pages 3, 3, 2, 2, 1, 1
A color laser printer is used to print documents with graphics and photographs. Users are complaining that printing takes too long. Which component of the printer should be upgraded in order to improve printing performance?
CPU
hard drive
toner cartridges
RAM
What service is available for Windows to provide software print server services to MAC OS clients?
Apple AirPrint
Bonjour Print Server
Apple AirPort Extreme
Print to XPS
Which three components are typically found in laser printer maintenance kits? (Choose three.)
fuser assembly
paper trays
pickup rollers
primary corona
transfer rollers
A technician is installing a new printer in a cool, damp environment. After the printer cabling is done, and the software and print driver are installed, the printer test page jams. What is the most likely cause of the print failure?
incorrect printer driver
not enough printer memory
too much humidity
incorrect printer driver
A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the networking trend that is being implemented by the data center in this situation?
maintaining communication integrity
virtualization
BYOD
online collaboration
How does virtualization help with disaster recovery within a data center?
Hardware does not have to be identical.
Power is always provided.
Less energy is consumed.
Server provisioning is faster.
Which two hypervisors are suitable to support virtual machines in a data center? (Choose two.)
Virtual PC
VMware Fusion
Oracle VM VirtualBox
VMware ESX/ESXi
Microsoft Hyper-V 2012
A web designer accesses a company Windows 10 computer remotely. The designer often needs to simultaneously open multiple applications, such as a web page editor and a graphics editor. Rather than opening them in multiple windows, the designer opens them in different virtual desktops. What technology is being used by the designer?
virtual desktop infrastructure
cloud-based applications
virtual reality
Windows Virtual Desktop
Which Cloud computing service would be best for an organization that needs to collaboratively create applications and deliver them over the web?
IaaS
ITaaS
PaaS
SaaS
Which statement describes a feature of SDRAM?
Its connector always has 240 pins.
It can process overlapping instructions in parallel.
It is able to support two writes and two reads per CPU clock cycle.
It requires constant power to function.
Its connector has 288 pins and has advanced error correction features available
DDR4 SDRAM
DDR SDRAM
DDR3 SDRAM
DDR2 SDRAM
its connector has 184 pins and is able to support two writes and two reads per CPU clock cycle
DDR4 SDRAM
DDR3 SDRAM
DDR2 SDRAM
DDR SDRAM
its connector has 240 pins and consumes 1.5 Volts of power
DDR3 SDRAM
DDR4 SDRAM
DDR2 SDRAM
DDR SDRAM
It’s connector has 240 pins and consumes 1.8 Volts of power
DDR SDRAM
DDR3 SDRAM
DDR4 SDRAM
DDR2 SDRAM
A technician is troubleshooting a server that displays the error message “RAID not found” after a power outage over the weekend. What is a possible cause for this?
The BIOS firmware needs updating.
The external RAID controller is not receiving power.
The FSB settings have changed and are wrong.
The CPU multiplier is set too high.
A customer brings in a laptop with a touch screen that is not working correctly. The touch screen either does not respond at all or provides unusual or inaccurate responses. What is a possible cause for such behavior?
Too many apps are open.
The battery is not seated properly.
The DC jack is not grounded or is loose.
The digitizer is faulty.
What are two security risks associated with sharing printers in a corporate environment?
shoulder surfing
user authentication
cached files
dumpster diving
Which change management process component is concerned with the business processes that are affected by changes?
assessment
approval
implementation
implementation
A computer technician is installing a RAID. If the RAID uses mirroring and striping, which RAID level is the technician using?
10
8
5
1
A computer technician is installing a RAID. If the RAID uses mirroring, which RAID level is the technician using?
6
5
1
3
A computer technician is installing a RAID. If the RAID uses striping with parity, which RAID level is the technician using?
1
4
6
5
A computer technician is installing a RAID. If the RAID uses striping, which RAID level is the technician using?
0
6
5
2
A computer technician is installing a RAID. If the RAID uses striping with double parity, which RAID level is the technician using?
1
6
5
7
A technician is upgrading many PCs used within the company. How should the technician dispose of an old battery?
Throw it away.
Take it to the garbage dump.
Recycle following local regulations.
Burn it.
After continuous morning use, a computer suddenly reboots without the intervention of the user. What are the two most likely hardware parts that could cause this problem? (Choose two.)
CPU
power supply
hard drive
wireless NIC
A technician has been called in to investigate a problem with the computer rebooting randomly throughout the day. What two pieces of hardware could cause this problem? (Choose two.)
motherboard
power supply
ROM
CPU
For two days in a row, a user has noticed that the computer reboots several times before it eventually starts. What are two suspect components? (Choose two.)
CPU
motherboard
BIOS
power supply
While a user is working on a spreadsheet, the computer reboots. What are two components that could cause this issue? (Choose two.)
wireless NIC
ROM
BIOS
power supply
A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
HTTPS
NetBIOS (NetBT)
SMB/CIFS
SLP
A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?
HTTPS
SMB/CIFS
SSH
SLP
A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?
SMB/CIFS
HTTPS
SLP
Telnet
IMAP
A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?
SLP
HTTPS
Telnet
SMB/CIFS
A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?
SNMP
HTTPS
SLP
SMB/CIFS
A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
SLP
HTTPS
SMB/CIFS
LDAP
A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?
SMB/CIFS
SMTP
SLP
DNS
A client packet is received by a server. The packet has a destination port number of 427. What service application is the client requesting?
SMB/CIFS
DNS
SMTP
SLP
A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?
DHCP
DNS
SMTP
TFTP
Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0000:a0b0:0008:0001?
2001:db80:::1::80:1
2001:db8::ab8:1:0:1000
2001:db80:0:1::80:1
2001:db8::a0b0:8:1
Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
fe80:9ea0::2020:0:bf:e0:9290
fe80:9ea0::2020::bf:e0:9290
fe80:9:20::b000:290
fe80:9ea:0:2200::fe0:290
Which is the compressed format of the IPv6 address 2002:0042:0010:c400:0000:0000:0000:0909?
2002:42:10:c400::909
200:420:110:c4b::910:0:90
2002:4200::25:1090:0:99
2002:42::25:1090:0:99
Which is the compressed format of the IPv6 address 2002:0420:00c4:1008:0025:0190:0000:0990?
2002:420:c4:1008:25:190::990
2002:4200::25:1090:0:99
2002:42:10:c400::909
2002:42::25:1090:0:99
Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0ab8:0001:0000:1000?
2001:db8:0:1::8:1
2001:db8:1::ab8:0:1
2001:db8::a0b0:8:1
2001:db8::ab8:1:0:1000
Which is the compressed format of the IPv6 address fe80:0000:0000:0000:0220:0b3f:f0e0:0029?
fe80:9ea:0:2200::fe0:290
fe80:9ea0::2020::bf:e0:9290
fe80::220:b3f:f0e0:29
fe80:9ea0::2020:0:bf:e0:9290
Which is the compressed format of the IPv6 address fe80:9ea0:0000:2020:0000:00bf:00e0:9290?
fe80:9:20::b000:290
fe80:9ea0::2020:0:bf:e0:9290
fe80:9ea:0:2200::fe0:290
fe80::0220:0b3f:f0e0:0029
What ACPI power state describes when the CPU and RAM are off and the contents of RAM have been saved to a temporary file on the hard drive?
S1
S3
S4
S2
What ACPI power state describes when the CPU and RAM are still receiving power but unused devices are powered down?
S4
S2
S3
S1
What ACPI power state describes when the CPU is off, but the RAM is refreshed?
S4
S1
S2
S3
What ACPI power state describes when the computer is off?
S5
S2
S3
S1
What ACPI power state describes when the CPU is off and the RAM is set to a slow refresh rate, often called suspend mode?
S5
S3
S2
S4
What ACPI power state describes when the computer is on and the CPU is running?
S4
S1
S0
S3
A reporter is trying to print several high resolution photographs but the color laser printer is going extremely slowly. What should the technician do to resolve the issue?
Add more RAM to the printer.
Rewind the ribbon.
Connect the printer using wireless.
Install a USB hub.
A new printer has just been installed deep in a mine. When test pages are printed, the paper constantly jams. What should the technician do to resolve the issue?
Connect the printer using wireless.
Move the printer to a less-humid location.
Install a USB hub.
Clean the printer.
A user complains that recently every printed document has vertical lines and streaks on the paper. What should the technician do to resolve the issue?
Clean the printer.
Connect the printer using wireless
Distribute the toner more evenly within the cartridge.
Install a USB hub.
A school is installing a new shared printer but the printer is not showing up on the list of available printers. What should the technician do to resolve the issue?
Reset the page counter.
Connect the printer using wireless.
Manually add the printer IP address.
Install a USB hub.
Employees are complaining that they send print jobs to a newly installed printer but the print jobs never print. What should the technician do to resolve the issue?
Install a USB hub.
Connect the printer using wireless.
Check the vibration of the crystals.
The printer is connected to the wrong port. Modify the port.
Users have noticed that the colors on their printed documents are different from the colors that they see on their computer screens. What should the technician do to resolve the issue?
Install a USB hub.
Calibrate the printer.
Check the vibration of the crystals.
Connect the printer using wireless.
A technician has just completed a preventive maintenance on the department printer. Users are now complaining that the printer is no longer available. What should the technician do to resolve the issue?
Check that the printer is plugged into a power source.
Connect the printer using wireless.
Reset the page counter.
Install a USB hub.
Employees of a small business are complaining that the printer is printing faded images. What should the technician do to resolve the issue?
Replace the toner cartridge.
Reset the page counter
Check the vibration of the crystals.
Install a USB hub.
A photographer is complaining about the following printer issue: The printer issues a “Document failed to print” message. What are two possible causes of this issue? (Choose two.)
A cable is loose or disconnected.
The paper tray is flimsy.
The laser printer is emitting too much radiation.
The wrong printer type has been selected.
The printer is no longer shared.
A reporter is complaining about the following printer issue: The printer is printing unknown characters. What are two possible causes of this issue? (Choose two.)
The paper tray is flimsy.
The printer has been installed on the wrong port.
The laser printer is emitting too much radiation.
The wrong or an outdated printer driver is installed.
The printer has a loose connection.
A manager is complaining about the following printer issue: The printer is printing incorrect colors. What are two possible causes of this issue? (Choose two.)
An incorrect cartridge could be installed.
The printer is using the wrong cable.
The print heads might need to be cleaned and calibrated.
The printer has been installed on the wrong port.
A technician is complaining about the following printer issue: The print appears faded on the paper. What are two possible causes of this issue? (Choose two.)
The toner cartridge is low.
The paper might be incompatible with the printer.
The printer has been installed on the wrong port.
The wrong printer type has been selected.
A librarian is complaining about the following printer issue: The printer control panel displays no image. What are two possible causes of this issue? (Choose two.)
The printer has been installed on the wrong port.
The room temperature is above normal.
The printer is not turned on.
The contrast of the screen may be set too low.
The paper tray is flimsy.
A teacher is complaining about the following printer issue: The paper is creased after printing. What are two possible causes of this issue? (Choose two.)
Print jobs are being sent to the wrong printer.
The paper might be loaded incorrectly.
The printer has been installed on the wrong port.
The paper-feed tray might not be firmly adjusted against the edges of the printer.
A receptionist is complaining about the following printer issue: My impact printer produces faded or light characters. What are two possible causes of this issue? (Choose two.)
The ribbon may be worn out.
The print queue is overloaded.
The printer has been installed on the wrong port.
The paper tray is flimsy.
The ribbon may be damaged.
A photographer is complaining about the following printer issue: The paper is not being fed into the printer. What are two possible causes of this issue? (Choose two.)
The paper tray is flimsy.
The printer service is stopped or not working properly.
The printer has been installed on the wrong port.
The paper may be wrinkled.
The printer could be set to print to a different paper size than is currently loaded.
A laptop has an NVMe drive (C:) and a mechanical hard drive (D:). When the user tries to save a spreadsheet to the D: drive, the user notices that the D: drive is not there. What should the technician do to see if the drive is recognized by the operating system?
Remove the drive and attach it to the SATA port used by the SSD. Reboot the computer and see if the drive is recognized.
Use the Msconfig utility.
Boot into UEFI/BIOS and see if the drive appears.
Use the Disk Management Control Panel.
A computer has two mechanical hard drives. The second drive (D:) is used for data storage. When trying to save an email attachment to the local hard drive, the user notices that the D: drive is not an option. What should the technician do to see if the drive is recognized by the operating system?
Swap the data cables of the mechanical drive and the SSD.
Open a web browser and type the following: http://127.0.0.1. Verify if both drives appear in the list.
Bring up a command prompt and type ipconfig.
Use File Explorer.
A user reports that a drive is no longer there. The technician asks the user to demonstrate the problem. Within the application, the user demonstrates that the drive, that was present in the save options yesterday, is now no longer an option. What should the technician do to see if the drive is recognized by the operating system?
Check the Startup folder.
Use Device Manager.
Bring up a command prompt and type ipconfig.
Swap the data cables of the mechanical drive and the SSD.
A computer has an SSD for the operating system and applications and uses another mechanical hard drive for data storage. The user reports that data can no longer be saved to the mechanical hard drive. What should the technician do to see if the drive is recognized by the operating system? (Choose Two)
Use File Explorer.
Bring up a command prompt and type ipconfig.
Open a web browser and type the following: http://127.0.0.1. Verify if both drives appear in the list.
Swap the data cables of the mechanical drive and the SSD.
Use Device Manager.
A technician is working on a laptop and the GPS is not functioning. What is a probable cause for this situation?
The GPU is overheating.
The screen resolution needs recalibration.
A service is disabled.
The screen refresh rate is too low.
A technician is working on a laptop and an app is not loading. What is a probable cause for this situation?
More than one app is open simultaneously.
An app needs to be restarted.
The screen resolution needs recalibration.
The screen refresh rate is too low.
A technician is working on a laptop and an error message about decryption appears when opening an email. What is a probable cause for this situation?
A digital certificate is missing.
The display setting is incorrect.
The GPU is overheating.
Wi-Fi is turned off.
A technician is working on a laptop and an app is not responding. What is a probable cause for this situation?
The battery is low.
The GPU is overheating.
The battery is low.
An app needs to be restarted.
Students who use the same printer are complaining that recently printed documents contain unknown characters. What should the technician do to resolve the issue?
Re-install the printer driver.
Power cycle the printer.
Check the vibration of the crystals.
Install a USB hub.
Reset the page counter.
An office assistant in a law firm is trying to print many large legal documents but is getting “memory overload” error messages from the printer. What should the technician do to resolve the issue?
Check the vibration of the crystals.
Replace the pickup roller.
Add more memory to the printer.
Install a USB hub.
Connect the printer using wireless.
A technician is working on a laptop and the GPS is not functioning. What is a probable cause for this situation?
The screen refresh rate is too low.
Wi-Fi is turned off.
The screen resolution needs recalibration.
Airplane mode is turned on.
A technician is explaining the differences between inkjet printers and laser printers to a customer. Which two comparisons should the technician make? (Choose two.)
Inkjet printers are less expensive as an initial purchase than laser printers.
The laser printer output is dry after printing, but an inkjet printer may still have wet ink on the paper after printing.
Both laser and inkjet printers produce poor quality images.
A laser printer is significantly slower than an inkjet printer.
