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WorksheetsIT Essentials Questionaire
Total questions: 44
Worksheet time: 25mins
In which situation would an ESD strike potentially cause harm to the PC?
when installing an additional display in a workplace cubicle
when replacing a mechanical hard drive with an M.2 SSD
when installing a dual-voltage power supply
Other case
when using a grounded mat and working on a computer on an ungrounded workbench
In which situation would ESD be an issue?
while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer
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
Other case
In which situation would ESD be an issue?
when replacing a motherboard
while attaching speakers to a surround sound card
when using a grounded mat and working on a computer on an ungrounded workbench
when installing a dual-voltage power supply
In which situation should the student be aware that ESD is an issue?
when installing RAM
when working in a corporate environment that has carpet installed under tower PCs
when using a grounded mat and working on a computer on an ungrounded workbench
when walking across a carpeted area and then touching a keyboard that is attached to a tower PC
when installing a dual-voltage power supply
What two motherboard components control the system boot operations? (Choose two.)
BIOS chip
UEFI chip
Northbridge chip
Southbridge chip
CPU
Which component might be affected by this and need to be upgraded and bought as an additional purchase?
BIOS
chipset
CMOS battery
CPU
PCIe adapter
Which component should be checked to be sure that this feature is supported?
CPU
chipset
hard disk
RAM module
What is a characteristic of DDR SDRAM?
It transfers data twice per clock cycle compared to once per clock cycle for SDRAM.
DDR SDRAM modules have double the number of pins of SDRAM memory modules.
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
hot components
heavy metals
proprietary power bricks
unwieldy card cages
Which component requires a technician to install screws externally through the PC case?
RAM
CPU
motherboard
power supply
A technician is installing an internal HDD. To which motherboard connector will the technician connect the data cable?
ATX
PCI
PWR_SW
SATA
A technician has been asked to install a video card. Which section of the motherboard will the technician use to install the card?
section A
section B
section C
section D
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 automatically boots into Safe Mode and displays a warning on the screen.
The screen flashes with a red background and displays a warning message.
The computer emits a pattern of beeps indicating the failing device.
The computer returns an error message that indicates the I/O address of the failing device.
Which three features can be configured in the BIOS settings to secure a computer? (Choose three.)
TPM
passwords
MAC filtering
file encryption
drive encryption
What is the purpose of RAID adapters?
to allow older PCI technology expansion slots to be used
to provide enhanced audio and graphic capabilities
to connect multiple storage devices for redundancy or speed
to connect peripheral devices to a PC to improve performance
When a new motherboard is being installed, between which two components must thermal compound be applied? (Choose two.)
RAM
chassis
heat sink
CPU
chipset
What is the purpose of a Safety Data Sheet?
to specify procedures for dealing with potentially hazardous materials
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 in the use of humidity control and prevention of moisture damage
Which negative environmental factor does cleaning the inside of a computer reduce?
dust
EMI
rust
ESD
What is a recommended procedure to follow when cleaning computer components?
Remove the CPU before cleaning.
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.
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 air flow
the dust
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.)
Establish a new theory of probable causes.
Randomly replace components one at a time until the problem is solved.
Document each test tried that did not correct the problem.
Verify full system functionality.
Test all remaining possible causes starting with the most complex.
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 power supply would explode.
The PC would not turn on.
The PC would display an error code.
The PC would emit a series of beeps.
Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure?
PAN
WAN
LAN
MAN
What are two types of wired high-speed Internet connections? (Choose two.)
cable
satellite
cellular
DSL
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 a faster delivery mechanism is needed
when delivery overhead is not an issue
when applications do not need to guarantee delivery of the data
when destination port numbers are dynamic
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
DHCP
DNS
ICMP
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?
multipurpose device
router
endpoint management server
UTM
TPM
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?
static IP addressing with incomplete information
interference from surrounding devices
reduced computer power supply output
unreachable DHCP server
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.)
DHCP server address
default gateway
IP address
domain name
subnet mask
A device has an IPv6 address of 2001:0DB8:75a3:0214:0607:1234:aa10:ba01 /64. What is the host identifier of the device?
2001:0DB8:75a3
0607:1234:aa10:ba01
2001:0DB8
ba01
How can a user prevent specific applications from accessing a Windows computer over a network?
Enable MAC address filtering.
Disable automatic IP address assignment.
Block specific TCP or UDP ports in Windows Firewall.
Change default usernames and passwords.
Place the six stages of the troubleshooting process in the correct order.
A technician has been asked to configure Wi-Fi calling on a corporate mobile device. In which situation would this feature be most advantageous?
in an emergency situation and no minutes are left on the phone
when sending WEA updates
when in an area with poor cellular coverage
in a store transaction making a payment using the mobile device
Which statement is true about laptops?
Most of the internal components that are designed for laptops cannot be used for desktops.
Laptop motherboards have standard form factors.
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?
ACPI
PCIe
Bluetooth
802.11
Which two laptop components are considered replaceable by the customer. (Choose two.)
battery
integrated card reader
mini-PCIe module
RAM
display
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.)
cellular
Wi-Fi
USB
Bluetooth
NFC
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.
A laser printer is significantly slower than an inkjet printer.
Both laser and inkjet printers produce poor quality images.
The laser printer output is dry after printing, but an inkjet printer may still have wet ink on the paper after printing.
Inkjet printers use plain paper to make economical prints, but laser printers require more expensive thermal paper.
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, 1, 2, 2, 3, 3
pages 1, 2, 3, 1, 2, 3
pages 3, 3, 2, 2, 1, 1
pages 3, 2, 1, 3, 2, 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
RAM
hard drive
toner cartridges
What service is available for Windows to provide software print server services to MAC OS clients?
Bonjour Print Server
Print to XPS
Apple AirPort Extreme
Apple AirPrint
Which three components are typically found in laser printer maintenance kits? (Choose three.)
pickup rollers
fuser assembly
transfer rollers
secondary corona
primary corona
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
too much humidity
not enough printer memory
loose printer cables
