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CCST-140

Cisco 100-140 · IT Support Fragen

Speaking-Fragenkatalog zur CCST-IT-Support-Prüfung: Grundlagen, Troubleshooting, Hardware, Betriebssysteme, Netzwerktechnik, Sicherheit und Szenarien.

670 Fragen

1.1 Role of an IT Support Technician

  1. What is the role of an IT support technician? →
  2. What are the main responsibilities of an IT support technician? →
  3. What is technical support? →
  4. What is the difference between IT support and system administration? →
  5. What is a help desk? →
  6. What is a service desk? →
  7. What is the difference between a help desk and a service desk? →
  8. What is a support ticket? →
  9. What information should a support ticket contain? →
  10. Why is documentation important in IT support? →
  11. Why is communication important for an IT support technician? →
  12. How should you communicate with a non-technical user? →
  13. How would you explain a technical problem to a beginner? →
  14. Why should an IT technician avoid unnecessary technical jargon? →
  15. What should you do if you cannot solve a user's problem? →
  16. When should an issue be escalated? →
  17. What is escalation? →
  18. What is a service-level agreement? →
  19. What is an SLA? →
  20. Why are SLAs important in IT support? →

2.1 Basic Troubleshooting

  1. What is troubleshooting? →
  2. Why is a structured troubleshooting process important? →
  3. What should you do before changing anything on a user's computer? →
  4. How do you identify the symptoms of a problem? →
  5. Why is it important to ask the user questions? →
  6. What questions would you ask a user who reports a computer problem? →
  7. How can you reproduce a problem? →
  8. Why is reproducing a problem useful? →
  9. How can you determine when the problem started? →
  10. Why is the timeline of a problem important? →
  11. How can recent changes help you identify the cause? →
  12. What is a possible cause of a problem? →
  13. How do you test a possible cause? →
  14. Why should you change one thing at a time? →
  15. How do you verify that a problem has been fixed? →
  16. Why should you document the solution? →
  17. What should you do if your first solution does not work? →
  18. When should you escalate a problem? →

2.2 Troubleshooting Process

  1. How would you troubleshoot a computer that does not turn on? →
  2. How would you troubleshoot a computer that turns on but does not boot? →
  3. How would you troubleshoot a computer that is running slowly? →
  4. How would you troubleshoot an application that crashes? →
  5. How would you troubleshoot a computer that suddenly loses network connectivity? →
  6. How would you troubleshoot a user who cannot log in? →
  7. How would you troubleshoot a printer that does not print? →
  8. How would you troubleshoot a computer with no sound? →
  9. How would you troubleshoot a monitor with no image? →
  10. How would you troubleshoot intermittent problems? →
  11. How would you troubleshoot a problem that affects only one user? →
  12. How would you troubleshoot a problem that affects many users? →

3.1 Computer Components

  1. What are the main components of a computer? →
  2. What is the motherboard? →
  3. What is the CPU? →
  4. What does the CPU do? →
  5. What is RAM? →
  6. What is the difference between RAM and storage? →
  7. What is a hard disk drive? →
  8. What is an SSD? →
  9. What is the difference between an HDD and an SSD? →
  10. What is an NVMe SSD? →
  11. What is a power supply unit? →
  12. What does the PSU do? →
  13. What is a GPU? →
  14. What is the difference between an integrated GPU and a dedicated GPU? →
  15. What is a network interface card? →
  16. What is a sound card? →
  17. What is a cooling system? →
  18. Why does a computer need cooling? →
  19. What is thermal throttling? →
  20. What can happen if a CPU overheats? →

3.2 Motherboard and Expansion

  1. What is a motherboard? →
  2. What components are connected to the motherboard? →
  3. What is a CPU socket? →
  4. What are RAM slots? →
  5. What is PCIe? →
  6. What is an expansion card? →
  7. What is a USB port? →
  8. What is HDMI? →
  9. What is DisplayPort? →
  10. What is Ethernet? →
  11. What is the difference between USB-A and USB-C? →
  12. What is Thunderbolt? →
  13. Why are different ports used for different purposes? →

4.1 Storage Technologies

  1. What is data storage? →
  2. What is the difference between volatile and non-volatile storage? →
  3. What is an HDD? →
  4. What is an SSD? →
  5. Why are SSDs generally faster than HDDs? →
  6. What is NVMe? →
  7. What is SATA? →
  8. What is the difference between SATA and NVMe? →
  9. What is external storage? →
  10. What is a USB flash drive? →
  11. What is a memory card? →
  12. What is network-attached storage? →
  13. What is NAS? →
  14. What is cloud storage? →
  15. What are the advantages of cloud storage? →
  16. What are the disadvantages of cloud storage? →

4.2 Storage Troubleshooting

  1. How would you determine whether a storage device is failing? →
  2. What symptoms can indicate a failing hard drive? →
  3. What symptoms can indicate a failing SSD? →
  4. How can insufficient disk space affect a computer? →
  5. How would you free up disk space? →
  6. How would you check disk usage? →
  7. What should you do before replacing a storage device? →
  8. Why is data backup important before replacing a disk? →

5.1 Operating System Fundamentals

  1. What is an operating system? →
  2. What are the main functions of an operating system? →
  3. What is Windows? →
  4. What is Linux? →
  5. What is macOS? →
  6. What is the difference between an operating system and an application? →
  7. What is a desktop operating system? →
  8. What is a server operating system? →
  9. What is a user interface? →
  10. What is a graphical user interface? →
  11. What is a command-line interface? →
  12. What is the difference between GUI and CLI? →
  13. Why is the command line useful for IT support? →

6.1 Windows Fundamentals

  1. What is Windows? →
  2. What is the Windows desktop? →
  3. What is the Start menu? →
  4. What is File Explorer? →
  5. What is Task Manager? →
  6. What is Device Manager? →
  7. What is Control Panel? →
  8. What is Windows Settings? →
  9. What is the Windows Registry? →
  10. What is Windows Update? →
  11. What is Windows Defender? →
  12. What is Event Viewer? →

6.2 Windows Troubleshooting

  1. How would you troubleshoot a slow Windows computer? →
  2. How would you check which applications are using CPU resources? →
  3. How would you check memory usage? →
  4. How would you check disk usage? →
  5. How would you check network usage? →
  6. How can Task Manager help with troubleshooting? →
  7. How can Device Manager help with troubleshooting? →
  8. What does a warning icon in Device Manager mean? →
  9. How would you troubleshoot a missing device driver? →
  10. How would you troubleshoot a Windows application that crashes? →
  11. How would you troubleshoot a Windows service? →
  12. How can Event Viewer help you troubleshoot Windows? →
  13. What are Windows logs? →
  14. How would you troubleshoot Windows Update problems? →
  15. What would you do if Windows fails to boot? →
  16. What is Safe Mode? →
  17. When would you use Safe Mode? →
  18. What is System Restore? →
  19. When would you use System Restore? →
  20. What is recovery mode? →

7.1 Linux Basics

  1. What is Linux? →
  2. What is a Linux distribution? →
  3. What is Ubuntu? →
  4. What is Debian? →
  5. What is Red Hat Enterprise Linux? →
  6. What is the Linux kernel? →
  7. What is a shell? →
  8. What is Bash? →
  9. What is the Linux terminal? →
  10. Why is the Linux command line important for IT support? →

7.2 Linux Commands

  1. What does the pwd command do? →
  2. What does the ls command do? →
  3. What does the cd command do? →
  4. What does the mkdir command do? →
  5. What does the touch command do? →
  6. What does the cp command do? →
  7. What does the mv command do? →
  8. What does the rm command do? →
  9. What does the cat command do? →
  10. What does the less command do? →
  11. What does the grep command do? →
  12. What does the find command do? →
  13. What does the sudo command do? →
  14. What does the chmod command do? →
  15. What does the chown command do? →
  16. What does the ps command do? →
  17. What does the top command do? →
  18. What does the df command do? →
  19. What does the du command do? →
  20. What does the ip command do? →
  21. What does ping do? →
  22. What does traceroute do? →
  23. What does systemctl do? →

8.1 Files and Directories

  1. What is a file system? →
  2. What is a file? →
  3. What is a directory? →
  4. What is a file path? →
  5. What is an absolute path? →
  6. What is a relative path? →
  7. What is a file extension? →
  8. What is a hidden file? →
  9. What is a symbolic link? →
  10. What is file compression? →
  11. Why is file compression useful? →

8.2 Windows File Systems

  1. What is NTFS? →
  2. What is FAT32? →
  3. What is exFAT? →
  4. What is the difference between NTFS and FAT32? →
  5. What is a file permission? →
  6. What is file ownership? →
  7. What are NTFS permissions? →
  8. What is the difference between read and write permissions? →
  9. What is the difference between share permissions and NTFS permissions? →

9.1 User Accounts

  1. What is a user account? →
  2. Why does every user need an account? →
  3. What is a local user account? →
  4. What is a domain user account? →
  5. What is an administrator account? →
  6. What is a standard user account? →
  7. What is the difference between a standard user and an administrator? →
  8. Why should users normally not have administrator privileges? →
  9. How would you create a local user account? →
  10. How would you disable a user account? →
  11. How would you reset a user's password? →
  12. What should you do if a user forgets their password? →
  13. What is account lockout? →
  14. Why can an account become locked? →
  15. How would you troubleshoot a locked account? →

10.1 Network Basics

  1. What is a computer network? →
  2. Why do computers need networks? →
  3. What is a LAN? →
  4. What is a WAN? →
  5. What is a WLAN? →
  6. What is the Internet? →
  7. What is Ethernet? →
  8. What is Wi-Fi? →
  9. What is a network interface? →
  10. What is a network adapter? →

10.2 IP Addressing

  1. What is an IP address? →
  2. What is IPv4? →
  3. What is IPv6? →
  4. What is a subnet mask? →
  5. What is a default gateway? →
  6. What is DNS? →
  7. What is DHCP? →
  8. What is a MAC address? →
  9. What is a private IP address? →
  10. What is a public IP address? →
  11. What is localhost? →
  12. What is the loopback address? →
  13. What is APIPA? →
  14. What does a 169.254.x.x address usually indicate? →
  15. What is a static IP address? →
  16. What is a dynamic IP address? →
  17. What is the difference between static and dynamic addressing? →

11.1 Connectivity Problems

  1. How would you troubleshoot a computer with no Internet access? →
  2. What would you check first? →
  3. How would you determine whether the problem is local or network-wide? →
  4. How would you check the IP configuration? →
  5. How would you check the default gateway? →
  6. How would you test DNS? →
  7. How would you test basic network connectivity? →
  8. What does ipconfig do? →
  9. What does ipconfig /all show? →
  10. What does ping do? →
  11. What does tracert do? →
  12. What does nslookup do? →
  13. How would you troubleshoot a DNS problem? →
  14. How would you troubleshoot a DHCP problem? →
  15. How would you troubleshoot a Wi-Fi connection? →
  16. How would you troubleshoot a slow network connection? →
  17. How would you troubleshoot intermittent connectivity? →
  18. How would you determine whether a network cable is faulty? →
  19. How would you determine whether a network adapter is working? →
  20. How would you determine whether the router or switch is causing the problem? →

12.1 Basic Devices

  1. What is a switch? →
  2. What is a router? →
  3. What is an access point? →
  4. What is a modem? →
  5. What is a firewall? →
  6. What is the difference between a switch and a router? →
  7. What is the difference between a router and an access point? →
  8. What is the purpose of a firewall? →
  9. What is a network gateway? →
  10. What is a wireless router? →

13.1 Internet Services

  1. What is the Internet? →
  2. What is a web browser? →
  3. What is a web server? →
  4. What is a URL? →
  5. What is HTTP? →
  6. What is HTTPS? →
  7. What is DNS? →
  8. How does a browser find a website? →
  9. What happens when you enter a URL into a browser? →
  10. What is an IP address used for when accessing a website? →

13.2 Cloud Computing

  1. What is cloud computing? →
  2. Why do organizations use cloud services? →
  3. What is SaaS? →
  4. What is PaaS? →
  5. What is IaaS? →
  6. What is the difference between SaaS, PaaS and IaaS? →
  7. What is a public cloud? →
  8. What is a private cloud? →
  9. What is a hybrid cloud? →
  10. What are the advantages of cloud computing? →
  11. What are the disadvantages of cloud computing? →
  12. What is cloud storage? →
  13. What is a virtual machine? →
  14. Why are virtual machines useful? →

14.1 Printers

  1. What is a printer? →
  2. What is the difference between an inkjet and a laser printer? →
  3. What is a printer driver? →
  4. What is a print queue? →
  5. What is a network printer? →
  6. What is a USB printer? →
  7. What is a printer IP address? →
  8. How would you install a printer? →
  9. How would you troubleshoot a printer that does not print? →
  10. How would you troubleshoot a stuck print queue? →
  11. How would you troubleshoot a printer that appears offline? →
  12. How would you troubleshoot poor print quality? →
  13. How would you troubleshoot a network printer? →
  14. How would you determine whether the problem is the printer or the computer? →

14.2 Peripherals

  1. What are computer peripherals? →
  2. What is a keyboard? →
  3. What is a mouse? →
  4. What is a webcam? →
  5. What is a microphone? →
  6. What is a monitor? →
  7. What is a docking station? →
  8. What is a USB hub? →
  9. How would you troubleshoot a USB device that is not recognized? →
  10. How would you troubleshoot a monitor with no signal? →
  11. How would you troubleshoot a webcam? →
  12. How would you troubleshoot a microphone? →

15.1 Smartphones and Tablets

  1. What is a mobile operating system? →
  2. What is Android? →
  3. What is iOS? →
  4. How are mobile devices different from desktop computers? →
  5. What is a mobile application? →
  6. What is a mobile device management system? →
  7. What is MDM? →
  8. Why do organizations use MDM? →
  9. How can mobile devices be secured? →
  10. Why should mobile operating systems be updated? →
  11. Why should applications be updated? →
  12. What is screen locking? →
  13. What is biometric authentication on a mobile device? →
  14. What should you do if a mobile device is lost or stolen? →
  15. How can remote wipe protect organizational data? →

16.1 Applications

  1. What is application software? →
  2. What is system software? →
  3. What is an application installer? →
  4. What is a software package? →
  5. What is a software update? →
  6. What is a software patch? →
  7. Why should software be updated? →
  8. How would you install an application? →
  9. How would you uninstall an application? →
  10. How would you troubleshoot an application that will not install? →
  11. How would you troubleshoot an application that crashes? →
  12. How would you troubleshoot application compatibility problems? →
  13. What is software licensing? →
  14. What is open-source software? →
  15. What is proprietary software? →

17.1 Device Drivers

  1. What is a device driver? →
  2. Why does an operating system need drivers? →
  3. What happens if a driver is missing? →
  4. What happens if a driver is corrupted? →
  5. How would you identify a driver problem? →
  6. How would you update a driver? →
  7. How would you roll back a driver? →
  8. When should you avoid installing an unknown driver? →
  9. How can incorrect drivers affect system stability? →
  10. How can Device Manager help you troubleshoot drivers? →

18.1 Performance Troubleshooting

  1. What can cause a computer to become slow? →
  2. How can insufficient RAM affect performance? →
  3. How can insufficient storage affect performance? →
  4. How can CPU usage affect performance? →
  5. How can disk usage affect performance? →
  6. How can malware affect performance? →
  7. How can too many startup applications affect performance? →
  8. How would you identify the cause of a slow computer? →
  9. How can Task Manager help? →
  10. How can Resource Monitor help? →
  11. What is CPU utilization? →
  12. What is memory utilization? →
  13. What is disk utilization? →
  14. What is network utilization? →
  15. What is a process? →
  16. What is a service? →
  17. What is a startup application? →

19.1 Preventive Maintenance

  1. What is preventive maintenance? →
  2. Why is preventive maintenance important? →
  3. Why should operating systems be updated? →
  4. Why should applications be updated? →
  5. Why should drivers be updated? →
  6. Why should computers be cleaned physically? →
  7. Why is dust dangerous for computer hardware? →
  8. Why should backups be performed regularly? →
  9. Why should unused applications be removed? →
  10. Why should unnecessary startup applications be disabled? →
  11. Why should security software be updated? →
  12. What is a maintenance schedule? →

20.1 Backup Fundamentals

  1. What is a backup? →
  2. Why are backups important? →
  3. What data should be backed up? →
  4. What is a full backup? →
  5. What is an incremental backup? →
  6. What is a differential backup? →
  7. What is the difference between full, incremental and differential backups? →
  8. What is local backup? →
  9. What is cloud backup? →
  10. What is an offline backup? →
  11. What is the 3-2-1 backup strategy? →
  12. Why should backups be tested? →
  13. What is data recovery? →
  14. What is system recovery? →
  15. What is a recovery point? →
  16. What is a recovery time objective? →
  17. What is RTO? →
  18. What is RPO? →
  19. What is the difference between RTO and RPO? →

21.1 Virtual Machines

  1. What is virtualization? →
  2. What is a virtual machine? →
  3. What is a hypervisor? →
  4. What is a Type 1 hypervisor? →
  5. What is a Type 2 hypervisor? →
  6. What is the difference between Type 1 and Type 2 hypervisors? →
  7. What is VirtualBox? →
  8. What is VMware? →
  9. What is Hyper-V? →
  10. What is a virtual network adapter? →
  11. What is a virtual disk? →
  12. What are the advantages of virtualization? →
  13. What are the disadvantages of virtualization? →
  14. Why is virtualization useful for IT support? →
  15. How can virtual machines be used for testing? →

22.1 Remote Access

  1. What is remote support? →
  2. Why is remote support useful? →
  3. What is Remote Desktop? →
  4. What is RDP? →
  5. What is SSH? →
  6. What is remote administration? →
  7. What security risks are associated with remote access? →
  8. How should remote access be secured? →
  9. Why is MFA useful for remote access? →
  10. Why should remote access services not be exposed unnecessarily to the Internet? →
  11. How would you troubleshoot a remote desktop connection? →
  12. What information would you need from a user before connecting remotely? →
  13. Why should remote sessions be documented? →

23.1 Basic Security

  1. What is cybersecurity? →
  2. Why does an IT support technician need cybersecurity knowledge? →
  3. What is malware? →
  4. What is phishing? →
  5. What is ransomware? →
  6. What is social engineering? →
  7. What is a strong password? →
  8. Why should passwords not be reused? →
  9. What is MFA? →
  10. Why is MFA important? →
  11. What is least privilege? →
  12. Why should users not have administrator privileges? →
  13. What is endpoint security? →
  14. What is antivirus software? →
  15. What is a firewall? →
  16. What is encryption? →
  17. Why should sensitive data be encrypted? →
  18. What is secure software? →
  19. Why are security updates important? →

24.1 Hardware Protection

  1. What is physical security? →
  2. Why is physical security important for IT systems? →
  3. How can unauthorized physical access affect a computer? →
  4. Why should servers be kept in secure locations? →
  5. What is a locked server room? →
  6. What is access control? →
  7. What is a security camera? →
  8. What is a badge access system? →
  9. What is tailgating? →
  10. What is shoulder surfing? →
  11. How can an organization protect laptops from theft? →
  12. Why should unattended computers be locked? →
  13. How can environmental conditions affect IT equipment? →
  14. Why are temperature and humidity important for servers? →

25.1 Protecting Data

  1. What is sensitive data? →
  2. What is personal data? →
  3. What is confidential information? →
  4. Why should sensitive data be protected? →
  5. What is data encryption? →
  6. What is data at rest? →
  7. What is data in transit? →
  8. What is the difference between data at rest and data in transit? →
  9. How can encryption protect data? →
  10. What is data loss? →
  11. What can cause data loss? →
  12. How can backups prevent data loss? →
  13. What is data privacy? →
  14. Why is privacy important? →
  15. What is GDPR? →
  16. Why is GDPR relevant to IT support? →

26.1 Windows Commands

  1. What does ipconfig do? →
  2. What does ping do? →
  3. What does tracert do? →
  4. What does nslookup do? →
  5. What does netstat do? →
  6. What does hostname do? →
  7. What does whoami do? →
  8. What does systeminfo do? →
  9. What does tasklist do? →
  10. What does taskkill do? →
  11. What does sfc do? →
  12. What does DISM do? →
  13. How can command-line tools help you troubleshoot Windows? →
  14. Which command would you use to check the computer's IP configuration? →
  15. Which command would you use to test connectivity? →
  16. Which command would you use to test DNS resolution? →
  17. Which command would you use to see active network connections? →

27.1 IT Documentation

  1. Why is documentation important in IT support? →
  2. What information should be included in a support ticket? →
  3. Why should troubleshooting steps be documented? →
  4. Why should the final solution be documented? →
  5. What is a knowledge base? →
  6. What is a knowledge base article? →
  7. Why are knowledge bases useful? →
  8. What is an IT procedure? →
  9. What is a standard operating procedure? →
  10. What is an SOP? →
  11. Why are SOPs useful for IT support? →
  12. How can good documentation reduce future support time? →

28.1 Working with Users

  1. Why is customer service important in IT support? →
  2. How should you communicate with a frustrated user? →
  3. How should you handle an angry user? →
  4. Why should you listen carefully to the user? →
  5. Why should you avoid blaming the user? →
  6. How can you explain a technical problem in simple language? →
  7. How would you explain a network problem to a non-technical user? →
  8. How would you explain why a computer needs an update? →
  9. How would you explain why you need to restart a computer? →
  10. How would you explain a security policy to a user? →
  11. What should you do if the user does not understand your instructions? →
  12. Why should you confirm that the user understands the solution? →

Scenario 1 — Computer Does Not Start

  1. A user's computer does not turn on. What would you check first? →
  2. How would you determine whether the problem is related to power? →
  3. What hardware components would you check? →
  4. How would you determine whether the problem is hardware or software? →
  5. When would you escalate the problem? →

Scenario 2 — Slow Computer

  1. A user says that their computer has become very slow. What would you check? →
  2. How would you check CPU usage? →
  3. How would you check memory usage? →
  4. How would you check disk usage? →
  5. How would you check startup applications? →
  6. How would you check for malware? →
  7. What would you do after identifying the cause? →

Scenario 3 — No Internet

  1. A user cannot access the Internet. What would you check first? →
  2. How would you determine whether Wi-Fi is connected? →
  3. How would you check the IP address? →
  4. How would you test the default gateway? →
  5. How would you test DNS? →
  6. How would you determine whether the problem is with the user's computer or the network? →
  7. What would you do if other users have the same problem? →

Scenario 4 — Printer Problem

  1. A user cannot print a document. What would you check? →
  2. How would you check the printer status? →
  3. How would you check the print queue? →
  4. How would you check the printer connection? →
  5. How would you check the printer driver? →
  6. How would you determine whether the problem is hardware or software? →

Scenario 5 — Windows Login Problem

  1. A user cannot log in to Windows. What would you check? →
  2. How would you determine whether the password is incorrect? →
  3. How would you determine whether the account is locked? →
  4. How would you determine whether the computer has network connectivity? →
  5. What would you do if the user's account is disabled? →
  6. When should you escalate the issue? →

Scenario A

“A user says: "My computer is slow, I cannot access the Internet, and some applications are crashing."”

  1. What would you investigate first? →
  2. What questions would you ask the user? →
  3. How would you identify the most likely cause? →
  4. Which tools would you use? →
  5. How would you troubleshoot the problem step by step? →
  6. How would you verify the solution? →

Scenario B

“A new employee has received a laptop but cannot access company resources.”

  1. What would you check first? →
  2. How would you verify the user's account? →
  3. How would you verify network connectivity? →
  4. How would you verify DNS? →
  5. How would you verify permissions? →
  6. What would you document? →

Scenario C

“A user accidentally deleted an important file.”

  1. What questions would you ask? →
  2. Where would you look for the deleted file? →
  3. How could backups help? →
  4. How would you determine which backup to use? →
  5. How would you restore the file? →
  6. How would you verify that the restored file is correct? →

Scenario D

“A laptop was stolen from an employee.”

  1. What should the employee do first? →
  2. What information should be reported? →
  3. What security controls could protect the data? →
  4. How could remote management help? →
  5. How could encryption reduce the risk? →
  6. What should the IT department do? →

Scenario E

“A user's computer shows a message demanding payment after files become inaccessible.”

  1. What type of attack could this be? →
  2. What would you do immediately? →
  3. Should the computer remain connected to the network? →
  4. What evidence would you collect? →
  5. How could backups help? →
  6. What should be documented? →
  7. When should the incident be escalated? →

31. Comparison Questions

  1. What is the difference between RAM and storage? →
  2. What is the difference between HDD and SSD? →
  3. What is the difference between SATA and NVMe? →
  4. What is the difference between RAM and ROM? →
  5. What is the difference between a CPU and a GPU? →
  6. What is the difference between Windows and Linux? →
  7. What is the difference between GUI and CLI? →
  8. What is the difference between a file and a directory? →
  9. What is the difference between a local account and a domain account? →
  10. What is the difference between a standard user and an administrator? →
  11. What is the difference between IPv4 and IPv6? →
  12. What is the difference between a public and private IP address? →
  13. What is the difference between static and dynamic IP addressing? →
  14. What is the difference between DHCP and DNS? →
  15. What is the difference between a switch and a router? →
  16. What is the difference between Wi-Fi and Ethernet? →
  17. What is the difference between HTTP and HTTPS? →
  18. What is the difference between local and cloud storage? →
  19. What is the difference between SaaS, PaaS and IaaS? →
  20. What is the difference between a full and incremental backup? →
  21. What is the difference between backup and recovery? →
  22. What is the difference between a Type 1 and Type 2 hypervisor? →
  23. What is the difference between antivirus and EDR? →
  24. What is the difference between troubleshooting and preventive maintenance? →
  25. What is the difference between an incident and a service request? →

32. "Explain It in Your Own Words"

  1. Can you explain what an operating system does? →
  2. Can you explain how a computer boots? →
  3. Can you explain what happens when you connect a computer to a network? →
  4. Can you explain how DHCP gives a computer an IP address? →
  5. Can you explain how DNS works? →
  6. Can you explain what happens when you open a website? →
  7. Can you explain how a switch works? →
  8. Can you explain how a router works? →
  9. Can you explain how Wi-Fi works? →
  10. Can you explain how Windows manages hardware? →
  11. Can you explain how device drivers work? →
  12. Can you explain how backups work? →
  13. Can you explain how virtualization works? →
  14. Can you explain how remote support works? →
  15. Can you explain how MFA protects an account? →
  16. Can you explain how a firewall protects a computer? →
  17. Can you explain how malware can infect a computer? →
  18. Can you explain how you would troubleshoot a network problem? →
  19. Can you explain how you would troubleshoot a slow computer? →
  20. Can you explain how you would handle a support ticket from beginning to end? →

33. Final Mock Interview

  1. What would you check if a computer does not turn on? →
  2. What would you check if Windows does not boot? →
  3. What would you check if a computer is extremely slow? →
  4. How would you troubleshoot a printer? →
  5. How would you troubleshoot a network connection? →
  6. How would you troubleshoot DNS? →
  7. How would you troubleshoot DHCP? →
  8. How would you troubleshoot a Windows login problem? →
  9. How would you troubleshoot a missing driver? →
  10. How would you troubleshoot an application crash? →
  11. How would you recover deleted data? →
  12. How would you secure a new employee's computer? →
  13. How would you secure a mobile device? →
  14. How would you protect a user's data? →
  15. How would you explain a technical problem to a non-technical user? →
  16. When would you escalate a support ticket? →
  17. What information should you document after solving a problem? →
  18. How would you prioritize multiple support tickets? →
  19. What would you do if five users reported the same problem? →
  20. What would you do if you could not solve the problem? →
  21. How would you troubleshoot a problem that occurs only occasionally? →
  22. How would you determine whether a problem is hardware or software? →
  23. How would you determine whether a problem is local or network-wide? →
  24. How would you handle a suspected malware infection? →
  25. How would you respond if a company laptop was stolen? →
  26. How would you respond if a user clicked a phishing link? →
  27. How would you use command-line tools during troubleshooting? →
  28. Which Windows tools do you use most often for troubleshooting? →
  29. Which Linux commands are useful for IT support? →
  30. What are the most important skills for an IT support technician? →