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Quizzes > Quizzes for Business > Technology

Take the IT Technician Knowledge Quiz

Assess Your Hardware, Software, and Troubleshooting Skills

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art promoting an IT Technician Knowledge Quiz.

Ready to challenge your skills as an IT technician? This interactive practice quiz covers essential areas like hardware components, networking fundamentals, and troubleshooting strategies. Whether you're preparing for your next role in IT support or aiming to refine your system administration abilities, this quiz offers a fun way to gauge your proficiency. Feel free to customise any question in our editor and explore more quizzes to build your expertise. For a deeper focus on support tasks, check out the IT Support Technician Knowledge Quiz or dive into system configurations with the IT Systems Technician Knowledge Test .

Which command-line utility can you use on Windows to test basic network connectivity by sending ICMP echo requests?
ipconfig
ping
nslookup
tracert
Ping sends ICMP echo requests to a target host and measures response time, making it the standard tool for basic connectivity tests on Windows.
Which type of connector is standard for Ethernet cables in most wired networking setups?
USB-C
RJ45
HDMI
RJ11
RJ45 connectors are used for Ethernet networking because they support the eight wires required for twisted-pair cables in standard LAN setups.
What device in a TCP/IP network routes traffic between different IP subnets?
Switch
Hub
Modem
Router
Routers examine IP addresses in packets and forward traffic between different subnets, enabling devices on separate networks to communicate.
Which component supplies electrical power to all other hardware in a computer?
RAM
Power Supply Unit (PSU)
CPU
GPU
The power supply unit converts AC from the outlet to DC voltages needed by the motherboard and components, making it essential for system operation.
What file system is the default for modern Windows operating systems?
ext4
NTFS
HFS+
FAT32
NTFS is the default Windows file system, providing features like journaling, security permissions, and support for large files and volumes.
You suspect a network driver issue on a Windows PC. Which tool can you use to view and update the driver for a network interface card?
Task Manager
Disk Management
Device Manager
Resource Monitor
Device Manager provides an interface to view installed hardware and update drivers, including those for network adapters.
After installing an operating system on Debian-based Linux, which command updates the package index to show the latest available packages?
rpm -qa
apt-get upgrade
yum update
apt-get update
The apt-get update command fetches the latest package listings from repositories, ensuring you can install or upgrade to the newest packages.
A user reports an application crashes on startup. Which systematic troubleshooting step should you perform first?
Apply software updates
Reinstall the operating system
Backup user files
Identify the problem
The first step in systematic troubleshooting is to identify and define the problem clearly before testing theories or implementing solutions.
To secure a wireless network, which encryption protocol is recommended over older insecure options?
Open
WEP
WPA
WPA2
WPA2 uses strong AES encryption and is widely supported, offering much better protection than older protocols like WEP or WPA.
Which diagnostic tool provides real-time performance metrics such as CPU and memory usage in Windows?
Event Viewer
Task Manager
Disk Cleanup
msconfig
Task Manager displays live graphs and statistics for CPU, memory, disk, and network usage, making it the primary tool for quick performance checks.
Which partition style supports disks larger than 2TB and allows more than four primary partitions?
FAT32
GPT
exFAT
MBR
GPT uses a GUID Partition Table that overcomes MBR limitations by supporting large disks and multiple partitions without extended or logical partition workarounds.
During OS installation on a UEFI-enabled system, which partition is required to store boot files?
Recovery Partition
Swap Partition
Data Partition
EFI System Partition
The EFI System Partition holds bootloaders and related UEFI applications so the firmware can locate and launch the installed operating system.
Which layer of the OSI model handles end-to-end communication and error recovery?
Data Link
Transport
Network
Application
The Transport layer ensures reliable data transfer between hosts, managing flow control and error correction independent of routing decisions.
A workstation boots into Safe Mode but network drives are unavailable. What is a likely cause?
Power supply issue
Network services disabled
Video driver conflict
BIOS misconfiguration
Safe Mode loads only essential services and drivers, and by default it disables network services, so network resources are inaccessible without Safe Mode with Networking.
Which command would you use on Linux to view live system logs?
less /var/log/syslog
cat /var/log/syslog
tail -f /var/log/syslog
grep syslog
The tail -f command streams new entries from a log file as they are written, allowing real-time monitoring of system events.
A user reports intermittent packet loss on a VLAN. Which command can you use on a Cisco switch to verify VLAN assignment on an interface?
show vlan brief
show interface switchport
show mac address-table
show running-config
The show interface switchport command displays the VLAN membership and mode of a specific interface, helping to confirm correct VLAN assignment.
You notice a potential malware infection and want to analyze startup applications. Which Windows tool gives detailed startup item enumeration?
Autoruns
Task Scheduler
Services.msc
msconfig
Autoruns from Sysinternals lists every auto-starting location including services, scheduled tasks, and registry entries, offering more detail than msconfig.
Which security feature uses hardware-based encryption keys stored in a TPM module to secure drive volumes?
TrueCrypt
BitLocker
FileVault
LUKS
BitLocker integrates with the TPM chip to store encryption keys in hardware, providing secure drive encryption and system integrity checks.
During performance analysis on Linux, you need to measure CPU utilization by individual cores over time. Which tool is most suitable?
top
htop
sar
mpstat
mpstat reports per-CPU usage statistics over specified intervals, allowing administrators to analyze utilization on each core.
You are troubleshooting an application that fails to load DLL dependencies. Which Windows tool can help identify missing DLLs?
dumpbin
sfc
Dependency Walker
ldd
Dependency Walker inspects executable files for DLL dependencies and reports any missing modules, aiding in diagnosing load-time errors.
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Learning Outcomes

  1. Analyse network setups to identify and resolve connectivity issues.
  2. Identify key hardware components and their specific functions.
  3. Demonstrate proficiency in installing and updating operating systems.
  4. Apply systematic troubleshooting methods to address software failures.
  5. Evaluate security configurations to protect systems from threats.
  6. Master diagnostic tools to monitor and optimise performance.

Cheat Sheet

  1. Master network diagnostic tools - Ping, Traceroute, and PathPing are your digital magnifying glasses that help you track down where packets get lost in the wild. With these tools, you can quickly identify whether the issue is around the corner or across the globe. GeeksforGeeks: Network troubleshooting techniques
  2. Demystify hardware components - Dive into the inner workings of CPUs, motherboards, and RAM to understand what makes your machine tick. When you know how these components communicate, troubleshooting hardware failures feels like assembling a puzzle. Wikipedia: Central processing unit
  3. Navigate OS installations and updates - Installing and updating operating systems is like giving your computer a fresh set of superpowers. Learn compatibility checks, optimal installation sequences, and backup best practices to keep everything running smoothly. This knowledge helps you avoid dreaded "system not found" errors and ensures peak performance. Wikipedia: Operating system
  4. Apply systematic software troubleshooting - Systematic software troubleshooting lets you turn chaotic errors into clear action plans. Start by identifying symptoms, then isolate the culprit before rolling out the solution. This structured approach speeds up fixes and prevents repeated headaches. CCNA Study: Troubleshooting methodology & techniques
  5. Lock down security settings - Security settings are your digital moat and drawbridge, protecting precious data from unwanted invaders. Mastering firewall configurations and user permissions stops threats before they knock on your cyber door. You'll sleep better knowing intruders don't stand a chance. Pluralsight: Network troubleshooting methodology
  6. Monitor system performance - Performance monitoring tools give you real-time insights into how resources are used under the hood. By analyzing CPU, memory, and network metrics, you can fine-tune settings for maximum efficiency. IP Network Basics: Troubleshooting tools & techniques
  7. Schedule regular updates and patches - Regular updates and patches are the unsung heroes of system security and stability. They plug vulnerabilities and introduce new features, keeping threats at bay and performance sharp. Make patch management a routine part of your workflow to stay one step ahead of attacks. Illinois OPN: Network troubleshooting
  8. Decode network protocols - Network protocols are the secret language devices use to chat over the web. Understanding TCP/IP, DHCP, and DNS helps you decode communication issues and keep the data flowing. CCNA Study: Troubleshooting methodology & techniques
  9. Explore network topologies - Different network topologies shape how data zips around your infrastructure. Whether it's a bus, star, or mesh, knowing their strengths and weaknesses guides smarter network design and troubleshooting. GeeksforGeeks: Network troubleshooting techniques
  10. Command network devices - Configuring routers, switches, and access points transforms you into the conductor of a digital orchestra. Learn command-line syntax, firmware upgrades, and port management to ensure seamless connectivity. With these skills, network downtime becomes a thing of the past. IP Network Basics: Troubleshooting tools & techniques
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