Question 1:

A user needs to connect a laptop to a projector. Which port is most likely used?
A. USB-C
B. HDMI
C. Ethernet
D. eSATA
Correct Answer: B. HDMI
Explanation: HDMI is commonly used to connect video output devices like projectors or external monitors.

Question 2:

Which of the following cable types is used for high-speed internet connections via a modem?
A. VGA
B. RG-6
C. SATA
D. Thunderbolt
Correct Answer: B. RG-6
Explanation: RG-6 is a coaxial cable commonly used to connect modems to cable internet services.

Question 3:

A technician is replacing a 2.5-inch hard drive in a laptop. Which interface is most likely used?
A. IDE
B. SCSI
C. SATA
D. PCIe
Correct Answer: C. SATA
Explanation: Most 2.5-inch drives in laptops use the SATA interface.

Question 4:

Which device allows multiple computers to share a single internet connection and network resources?
A. Switch
B. Modem
C. Router
D. Bridge
Correct Answer: C. Router
Explanation: A router connects multiple networks and directs traffic, commonly used to share internet.

Question 5:

Which of the following IP addresses is private?
A. 172.33.0.1
B. 192.168.1.100
C. 8.8.8.8
D. 11.0.0.1
Correct Answer: B. 192.168.1.100
Explanation: 192.168.x.x is a private IP address range used in local networks.

Question 6:

Which connector is typically used for analog video signals?
A. DVI-D
B. HDMI
C. VGA
D. DisplayPort
Correct Answer: C. VGA
Explanation: VGA is an analog video interface with a 15-pin connector.

Question 7:

What type of RAM is typically used in laptops?
A. DIMM
B. SDRAM
C. ECC
D. SO-DIMM
Correct Answer: D. SO-DIMM
Explanation: SO-DIMMs are smaller and designed for use in laptops.

Question 8:

Which of the following tools is used to test the functionality of a computer power supply?
A. Cable tester
B. Multimeter
C. POST card
D. Toner probe
Correct Answer: B. Multimeter
Explanation: A multimeter measures voltage output from a power supply.

Question 9:

Which wireless encryption standard is the most secure?
A. WEP
B. WPA
C. WPA2
D. WPA3
Correct Answer: D. WPA3
Explanation: WPA3 is the latest and most secure wireless encryption standard.

Question 10:

Which RAID level provides redundancy and improved performance?
A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10
Correct Answer: D. RAID 10
Explanation: RAID 10 combines mirroring and striping for redundancy and speed.

Question 11:

Which type of network cable uses fiber-optic technology?
A. Cat 5e
B. Cat 6
C. RG-59
D. ST
Correct Answer: D. ST
Explanation: ST is a connector used in fiber-optic networking.

Question 12:

What is the maximum data transfer rate of USB 3.0?
A. 480 Mbps
B. 1 Gbps
C. 5 Gbps
D. 10 Gbps
Correct Answer: C. 5 Gbps
Explanation: USB 3.0 offers up to 5 Gbps transfer speed.

Question 13:

Which laptop component is most likely to be considered a FRU (Field Replaceable Unit)?
A. LCD screen
B. CPU
C. Motherboard chipset
D. BIOS chip
Correct Answer: A. LCD screen
Explanation: FRUs are parts that can be easily replaced; laptop screens are commonly replaced in the field.

Question 14:

Which of the following would best dissipate heat in a high-performance desktop PC?
A. Heat sink
B. Liquid cooling
C. Thermal paste
D. Fans
Correct Answer: B. Liquid cooling
Explanation: Liquid cooling systems offer efficient heat dissipation for high-performance components.

Question 15:

Which device translates a public IP to a private IP on a home network?
A. Firewall
B. Switch
C. NAT router
D. Modem
Correct Answer: C. NAT router
Explanation: Network Address Translation (NAT) routers map private IPs to a public IP for internet access.

Question 16:

What type of device is a hypervisor?
A. Hardware controller
B. Virtualization platform
C. File system
D. Router
Correct Answer: B. Virtualization platform
Explanation: A hypervisor manages virtual machines on a physical host.

Question 17:

What should be used to prevent ESD (Electrostatic Discharge) when working inside a computer?
A. Anti-glare screen
B. Power strip
C. Antistatic wrist strap
D. Ground loop isolator
Correct Answer: C. Antistatic wrist strap
Explanation: Wrist straps discharge static safely to ground, preventing component damage.

Question 18:

Which storage device has no moving parts and offers fast access times?
A. HDD
B. Tape drive
C. SSD
D. Optical drive
Correct Answer: C. SSD
Explanation: Solid-State Drives (SSDs) use flash memory and have no moving parts.

Question 19:

Which mobile device technology allows short-range wireless data transfer (e.g., mobile payments)?
A. NFC
B. Wi-Fi
C. LTE
D. Bluetooth
Correct Answer: A. NFC
Explanation: NFC (Near Field Communication) supports very short-range communication for things like contactless payments.

Question 20:

What kind of display technology uses gas plasma cells?
A. LCD
B. LED
C. OLED
D. Plasma
Correct Answer: D. Plasma
Explanation: Plasma displays use small cells containing electrically charged ionized gases.

Question 21:

Which of the following would MOST likely be found on a docking station for a laptop?
A. DIMM slots
B. PCIe slots
C. Additional ports
D. Touchpad
Correct Answer: C. Additional ports
Explanation: Docking stations typically provide additional connectivity (USB, video, audio) for laptops.

Question 22:

What is the primary purpose of a POST during the computer boot process?
A. Load the operating system
B. Connect to the internet
C. Check hardware functionality
D. Boot into BIOS
Correct Answer: C. Check hardware functionality
Explanation: Power-On Self-Test (POST) verifies essential hardware is present and functioning.

Question 23:

Which expansion card would MOST likely provide the ability to connect to a wired network?
A. VGA card
B. NIC
C. Sound card
D. TV tuner
Correct Answer: B. NIC
Explanation: A Network Interface Card (NIC) enables wired network connectivity.

Question 24:

Which of the following printer types uses a fuser assembly?
A. Inkjet
B. Thermal
C. Laser
D. Impact
Correct Answer: C. Laser
Explanation: Laser printers use a fuser to heat and bond toner to the paper.

Question 25:

A technician needs to connect a monitor to a laptop with DisplayPort, but the monitor only has HDMI. What is needed?
A. HDMI to DVI converter
B. USB to Ethernet adapter
C. DisplayPort to HDMI adapter
D. VGA cable
Correct Answer: C. DisplayPort to HDMI adapter
Explanation: This allows the DisplayPort output to be converted to HDMI input for the monitor.

Question 26:

Which of the following laptop components is commonly field-replaceable?
A. GPU
B. Integrated CPU
C. Keyboard
D. Chipset
Correct Answer: C. Keyboard
Explanation: Keyboards are considered FRUs and can be replaced without special tools or skills.

Question 27:

Which of these Wi-Fi standards operates only in the 5 GHz frequency?
A. 802.11b
B. 802.11g
C. 802.11ac
D. 802.11n
Correct Answer: C. 802.11ac
Explanation: 802.11ac operates exclusively in the 5 GHz band, offering higher throughput.

Question 28:

Which storage interface provides the fastest data transfer speed?
A. SATA
B. USB 2.0
C. NVMe
D. eSATA
Correct Answer: C. NVMe
Explanation: NVMe (Non-Volatile Memory Express) over PCIe offers the highest speeds.

Question 29:

A user reports no sound coming from speakers. What’s the FIRST step a technician should take?
A. Replace the speakers
B. Restart the computer
C. Check volume and mute settings
D. Reinstall audio drivers
Correct Answer: C. Check volume and mute settings
Explanation: Always start with simple checks before diving into technical fixes.

Question 30:

Which of these is a form factor for motherboards?
A. PCI
B. SATA
C. ATX
D. RAID
Correct Answer: C. ATX
Explanation: ATX defines the layout and size of a motherboard.

Question 31:

Which device would use a TDR (Time Domain Reflectometer)?
A. Printer
B. Router
C. Cable tester
D. Desktop computer
Correct Answer: C. Cable tester
Explanation: A TDR is used to locate faults in copper cables by measuring signal reflections.

Question 32:

Which of the following is an example of a biometric authentication method?
A. Smart card
B. Password
C. Fingerprint scanner
D. Security token
Correct Answer: C. Fingerprint scanner
Explanation: Biometric authentication uses physical characteristics like fingerprints or retina scans.

Question 33:

A technician needs to connect to a network drive. What type of address is typically used?
A. MAC address
B. IP address
C. UNC path
D. DNS name
Correct Answer: C. UNC path
Explanation: UNC (Universal Naming Convention) is used for mapping shared network drives.

Question 34:

Which mobile component is responsible for detecting screen orientation?
A. Accelerometer
B. GPS
C. Proximity sensor
D. Gyroscope
Correct Answer: A. Accelerometer
Explanation: The accelerometer detects movement and orientation of the device.

Question 35:

A user wants to use multiple OS environments on the same hardware. What is needed?
A. Partitioned hard drive
B. BIOS update
C. Hypervisor
D. VPN
Correct Answer: C. Hypervisor
Explanation: A hypervisor allows multiple virtual machines to run on the same physical host.

Question 36:

Which connector is typically used to supply power to internal hard drives?
A. VGA
B. SATA power
C. USB
D. HDMI
Correct Answer: B. SATA power
Explanation: SATA power connectors provide power to internal storage devices.

Question 37:

Which of the following components is crucial for maintaining the system clock when a PC is powered off?
A. CMOS battery
B. Power supply
C. BIOS
D. RAM
Correct Answer: A. CMOS battery
Explanation: The CMOS battery keeps system settings and the real-time clock running when powered off.

Question 38:

What would you use to safely clean the inside of a desktop computer?
A. Wet wipes
B. Rubbing alcohol
C. Compressed air
D. Vacuum cleaner
Correct Answer: C. Compressed air
Explanation: Compressed air safely removes dust without static or moisture.

Question 39:

A user wants to print from a mobile device to a wireless printer. Which technology supports this?
A. NFC
B. Bluetooth
C. Wi-Fi Direct
D. All of the above
Correct Answer: D. All of the above
Explanation: Mobile devices can use NFC, Bluetooth, or Wi-Fi Direct to print wirelessly.

Question 40:

Which cloud model allows customers to share hardware resources in a vendor-managed environment?
A. Public cloud
B. Private cloud
C. Hybrid cloud
D. Community cloud
Correct Answer: A. Public cloud
Explanation: Public cloud services are shared among multiple tenants and managed by a third party.