How should I use these Troubleshooting practice questions?

Read each scenario carefully and choose your answer before revealing the explanation. Then check why your choice was right or wrong. Repeat until the reasoning feels automatic.

Can I practise just Troubleshooting questions in a focused session?

Yes — use the session launcher on this page to start a 10-, 20-, 30- or 50-question session drawn entirely from the Troubleshooting domain.

FC0-U71 · topic practice

Troubleshooting practice questions

Practise CompTIA Tech+ (FC0-U71) Troubleshooting practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security

18 questionsDomain: Troubleshooting

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What the exam tests

What to know about Troubleshooting

Troubleshooting questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Troubleshooting exam traps

▸Answering from memory before reading the full scenario.
▸Missing a constraint such as cost, availability, security, scope or command context.
▸Choosing a broad answer when the question asks for the most specific fix.
▸Ignoring why the wrong options are tempting.

Practice set

Troubleshooting questions

18 questions · select your answer, then reveal the explanation

Question 1mediummultiple choice

Read the full Troubleshooting explanation →

Refer to the exhibit. A technician is troubleshooting a connectivity issue. The user can access local resources but cannot reach the internet. Based on the output, what is the most likely cause?

Exhibit

C:\Users\Tech> ipconfig
Windows IP Configuration

Ethernet adapter Local Area Connection:
   Connection-specific DNS Suffix  . : 
   IPv4 Address. . . . . . . . . . . : 192.168.1.101
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.1

Trap 1: No default gateway

A default gateway (192.168.1.1) is present.

Trap 2: IP address conflict

No evidence of conflict; the IP is unique.

Trap 3: Incorrect subnet mask

The subnet mask matches a typical /24 network.

Troubleshooting practice questions

What to know about Troubleshooting

Common Troubleshooting exam traps

Troubleshooting questions

Refer to the exhibit. A technician is troubleshooting a connectivity issue. The user can access local resources but cannot reach the internet. Based on the output, what is the most likely cause?

Exhibit

A user is troubleshooting a slow internet connection and has verified that the modem is working. The user suspects that the router is causing the issue. Which TWO of the following functions are typically performed by a home router? (Select TWO.)

A technician is troubleshooting a computer that fails to boot. The technician suspects corrupted firmware. Which component stores the firmware that initializes hardware during boot?

A technician is troubleshooting a computer that fails to boot. The technician checks the system's low-level software stored on a chip on the motherboard. Which type of software is being inspected?

A technician is troubleshooting a computer that does not start. They suspect the BIOS may be corrupted. Which type of software is the BIOS?

A technician is troubleshooting a computer that fails to boot. Which of the following types of firmware is responsible for initializing hardware and loading the operating system?

A technician is troubleshooting a network connectivity issue on a laptop. The laptop connects to the company's wireless network but cannot access the internet. The technician checks the IP configuration and sees an IP address of 169.254.1.5. What is the most likely cause?

A user reports that a program does not start when double-clicking. The technician checks that the computer meets the minimum requirements. Which concept is being applied?

A technician is troubleshooting a user's inability to access the internet. The user can ping the default gateway but cannot ping external websites. What is the most likely issue?

A technician is troubleshooting a computer that won't boot. The system emits a series of beeps. What is the best resource to interpret the beep codes?

Match each troubleshooting step to its order in the CompTIA A+ methodology.

Which THREE of the following are common troubleshooting steps? (Select THREE).

A technician is troubleshooting a network issue and needs to view the MAC address of a device. Which notational system is the MAC address most likely represented in?

A network technician is troubleshooting a connectivity issue and needs to identify the destination MAC address of a frame. Which TWO of the following are true about MAC addresses? (Select TWO.)

A technician is troubleshooting a computer that will not power on. Which of the following should be checked FIRST?

A user reports that their computer is slow. Which of the following is the BEST first step to troubleshoot?

A technician is troubleshooting a desktop that does not power on. The power supply fan spins, but there is no display and no beep codes. Which component should the technician check first?

A technician is troubleshooting a computer that cannot connect to the network. Which THREE steps should the technician perform first in the troubleshooting process?

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Exam traps to avoid