IT Essentials Final Exam Study Guide
Questions with Complete Solutions
2026 Updated.
When a new motherboard is being installed, between which two components must thermal
compound be applied? - Answer CPU & heat sink
A technician is explaining the differences between inkjet printers and laser printers to a
customer. Which two comparisons should the technician make? - Answer -Inkjet printers are
less expensive as an initial purchase than laser printers.
- The laser printer output is dry after printing, but an inkjet may still have wet ink on the paper
after printing.
Which three components are typically found in laser printer maintenance kits? - Answer -
Fuser Assembly
-Pickup Rollers
-Transfer Rollers
Which three features can be configured in the BIOS settings to secure a computer? - Answer -
Drive Encryption
-TPM
-Passwords
What are two safety hazards when dealing with laser printers? - Answer High Voltage & Hot
Components
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? - Answer -Subnet Mask
-Default Gateway
-IP Address
What two motherboard components control the system boot operations? - Answer BIOS chip
& UEFI chip
What are two types of wired high-speed Internet connections? - Answer Cable & DSL
In what two situations would UDP be better than TCP as the preferred transport protocol? -
Answer -When a faster delivery mechanism is needed
, -When applications do not need to guarantee delivery of the data
Which two laptop components are considered replaceable by the customer? - Answer
Battery & 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? - Answer Wi-Fi
& USB
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? - Answer CPU
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? - Answer ROM
Which negative environmental factor does cleaning the inside of a computer reduce? - Answer
Dust
What is a recommended procedure to follow when cleaning computer components? - Answer
Hold cans of compressed air upright when 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? - Answer The dust
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? - Answer The
PC would not turn on.
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? - Answer
Unreachable DHCP server.
What is the purpose of RAID adapters? - Answer To connect to multiple storage devices for
redundancy or speed.
Questions with Complete Solutions
2026 Updated.
When a new motherboard is being installed, between which two components must thermal
compound be applied? - Answer CPU & heat sink
A technician is explaining the differences between inkjet printers and laser printers to a
customer. Which two comparisons should the technician make? - Answer -Inkjet printers are
less expensive as an initial purchase than laser printers.
- The laser printer output is dry after printing, but an inkjet may still have wet ink on the paper
after printing.
Which three components are typically found in laser printer maintenance kits? - Answer -
Fuser Assembly
-Pickup Rollers
-Transfer Rollers
Which three features can be configured in the BIOS settings to secure a computer? - Answer -
Drive Encryption
-TPM
-Passwords
What are two safety hazards when dealing with laser printers? - Answer High Voltage & Hot
Components
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? - Answer -Subnet Mask
-Default Gateway
-IP Address
What two motherboard components control the system boot operations? - Answer BIOS chip
& UEFI chip
What are two types of wired high-speed Internet connections? - Answer Cable & DSL
In what two situations would UDP be better than TCP as the preferred transport protocol? -
Answer -When a faster delivery mechanism is needed
, -When applications do not need to guarantee delivery of the data
Which two laptop components are considered replaceable by the customer? - Answer
Battery & 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? - Answer Wi-Fi
& USB
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? - Answer CPU
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? - Answer ROM
Which negative environmental factor does cleaning the inside of a computer reduce? - Answer
Dust
What is a recommended procedure to follow when cleaning computer components? - Answer
Hold cans of compressed air upright when 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? - Answer The dust
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? - Answer The
PC would not turn on.
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? - Answer
Unreachable DHCP server.
What is the purpose of RAID adapters? - Answer To connect to multiple storage devices for
redundancy or speed.
