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WorksheetsIT Troubleshooting and Hardware Quiz
Total questions: 20
Worksheet time: 10mins
A technician is troubleshooting a laptop that intermittently loses network connectivity. According to CompTIA troubleshooting best practices, what should the technician do FIRST?
Replace the wireless adapter
Establish a theory of probable cause
Identify the problem by gathering information from the user
Escalate the issue to a senior technician
Which step of the troubleshooting methodology focuses on confirming that the solution resolved the issue and preventing recurrence?
Test the theory
Verify full-system functionality and implement preventive measures
Establish a theory of probable cause
Establish a plan of action
A user reports their smartphone connects to Wi-Fi but has very weak signal strength. Which hardware component should the technician check FIRST?
SIM card
Touch digitizer
Wi-Fi antenna connector
NFC chip
Which cellular technology listed below provides the highest potential download speeds?
3G
4G LTE
5G
EDGE
A user wants to share their smartphone’s internet connection with a laptop using a USB cable. What is this process called?
Hotspot
Pairing
Tethering
Port replication
Which wireless technology allows a mobile device to make contactless payments and operates within a few centimeters?
Bluetooth
Wi-Fi Direct
NFC
Infrared
A laptop user wants to connect multiple peripherals (monitor, keyboard, mouse, Ethernet) using a single cable. Which device is BEST suited for this task?
USB hub
Port replicator
Docking station
KVM switch
Which mobile device accessory allows precise input on a touchscreen and is commonly used for drawing or note-taking?
Trackpoint
Touchpad
Stylus
Digitizer
A technician notices a smartphone’s screen is lifting away from the frame and the device becomes hot while charging. What is the MOST appropriate action?
Recalibrate the touchscreen
Replace the charging cable
Discontinue use immediately
Enable airplane mode
A company uses software to enforce security policies, remotely wipe devices, and manage employee smartphones. What is this solution called?
VPN
Endpoint Detection and Response (EDR)
Enterprise Mobility Management (EMM)
Mobile hotspot
A technician explains to a customer why unsaved work is lost after a sudden power outage. Which characteristic of system RAM BEST explains this behavior?
RAM uses flash memory
RAM is volatile memory
RAM relies on parity checking
RAM stores data magnetically
Which RAM type synchronizes memory operations with the system clock to improve performance over traditional DRAM?
DDR SDRAM
ECC RAM
SDRAM
SRAM
A desktop motherboard supports dual-channel memory. Which configuration will BEST allow the system to operate in dual-channel mode?
One 16-GB DIMM installed
Two identical RAM modules installed in paired slots
Two RAM modules with different speeds installed
Any two RAM modules installed in random slots
Which memory module type is MOST commonly used in laptops?
DIMM
ECC DIMM
SODIMM
MicroDIMM
A company requires maximum data integrity and wants memory that can detect and correct bit errors. Which type of RAM should be used?
DDR4
SDRAM
ECC RAM
Virtual memory
Which storage technology stores data on spinning platters coated with magnetic material?
SSD
NVMe
Optical drive
HDD
A user wants faster boot times and fewer mechanical failures compared to a traditional hard drive. Which storage device should be recommended?
HDD
Optical drive
SSD
Tape drive
Which RAID level provides increased performance but offers no fault tolerance?
RAID 1
RAID 5
RAID 10
RAID 0
Which RAID configuration combines striping and mirroring to provide both performance and fault tolerance?
RAID 1
RAID 5
RAID 6
RAID 10
A RAID array can tolerate the failure of two disks simultaneously due to double parity. Which RAID level is this?
RAID 5
RAID 6
RAID 1
RAID 0
