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FC0-U61 · topic practice

Infrastructure practice questions

Practise CompTIA ITF+ FC0-U61 Infrastructure 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
20 questionsDomain: Infrastructure
Practice 10 questionsBrowse domain →

What the exam tests

What to know about Infrastructure

Infrastructure 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 Infrastructure 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

Infrastructure questions

20 questions · select your answer, then reveal the explanation

Question 1mediummultiple choice
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A user reports that their computer is unable to access the internet, but can access local network resources. Which of the following is the most likely cause?

Question 2easymultiple choice
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A technician needs to set up a small office network with 15 computers. The computers should be able to communicate with each other and share a single internet connection. Which device is required to enable internet sharing?

Question 3hardmultiple choice
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A company's server room is experiencing intermittent overheating. The administrator notices that the perforated floor tiles are blocked by equipment. What is the most likely consequence of this obstruction?

Question 4mediummultiple choice
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A technician is troubleshooting a network slowdown. The technician suspects a loop in the network. Which of the following protocols would prevent such a loop?

Question 5easymultiple choice
Read the full wireless explanation →

A small business wants to set up a wireless network. Which of the following is the BEST security method to use?

Question 6hardmultiple choice
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A company has a server that hosts a critical database. The server uses RAID 5 with three disks. One disk fails. What is the immediate impact on data availability?

Question 7mediummultiple choice
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A user reports that they cannot print to a network printer. Other users can print to the same printer. Which of the following should the technician check FIRST?

Question 8easymultiple choice
Read the full DNS explanation →

Which of the following best describes the function of a DNS server?

Question 9hardmultiple choice
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A technician is setting up a new computer on a network. The computer receives an IP address of 169.254.1.5. Which of the following is the most likely issue?

Question 10mediummultiple choice
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A company wants to implement a backup solution that allows for quick restoration of individual files. Which backup type should be used?

Question 11easymultiple choice
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Which device is used to connect multiple devices within the same network segment and forward data based on MAC addresses?

Question 12mediummulti select
Study the full virtualization explanation →

Which TWO of the following are benefits of virtualization in a data center?

Question 13hardmulti select
Read the full wireless explanation →

Which THREE of the following are common methods for securing a wireless network?

Question 14easymulti select
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Which TWO of the following are characteristics of a client-server network?

Question 15mediummulti select
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Which THREE of the following are types of network topologies?

Question 16mediummultiple choice
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Refer to the exhibit. The user is unable to browse the internet using domain names but can access websites by IP address. Which configuration is most likely incorrect?

Exhibit

Refer to the exhibit.

C:\Users\Admin> ipconfig /all

Ethernet adapter Local Area Connection:
   Connection-specific DNS Suffix  . : example.local
   IPv4 Address. . . . . . . . . . . : 192.168.1.100
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.1
   DHCP Enabled . . . . . . . . . . . : Yes
   DHCP Server . . . . . . . . . . . : 192.168.1.1
   DNS Servers . . . . . . . . . . . : 8.8.8.8
                                        8.8.4.4
Question 17hardmultiple choice
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Refer to the exhibit. A technician is troubleshooting connectivity from a PC connected to the 192.168.1.0/24 network. The PC cannot reach the 10.0.0.0/24 network. What is the most likely cause?

Exhibit

Refer to the exhibit.

Device: Router
Interface: GigabitEthernet0/0
IP Address: 10.0.0.1
Subnet Mask: 255.255.255.0
Status: Administratively down

Interface: GigabitEthernet0/1
IP Address: 192.168.1.1
Subnet Mask: 255.255.255.0
Status: up/up
Question 18easymultiple choice
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Refer to the exhibit. This JSON policy is associated with an IAM user. Which of the following actions is the user permitted to perform?

Exhibit

Refer to the exhibit.

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": "s3:GetObject",
      "Resource": "arn:aws:s3:::example-bucket/*"
    }
  ]
}
Question 19hardmultiple choice
Read the full wireless explanation →

A small business has 20 employees using a mix of wired and wireless devices. The network uses a single router with built-in 4-port switch and Wi-Fi. Recently, employees have reported intermittent connectivity drops, especially during peak hours. The technician notices that the router's CPU usage is consistently at 90% or higher. The business cannot afford to replace the router immediately. Which of the following actions would BEST improve the situation without purchasing new hardware?

Question 20mediummultiple choice
Read the full Infrastructure explanation →

A company has a server room with two UPS units, each connected to a separate power circuit. The server room contains 10 servers, each with dual power supplies. One UPS fails and stops providing power. The administrator notices that half of the servers shut down, while the other half remain on. The servers that shut down were all connected to the failed UPS. However, the servers that remained on were also connected to the same UPS via their second power supply. Why did those servers not fail?

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Frequently asked questions

What does the FC0-U61 exam test about Infrastructure?
Infrastructure questions test whether you can apply the concept in context, not just recognise a definition.
How should I use these practice questions?
Select your answer before revealing the explanation. Then read why each option is right or wrong — this active recall approach builds retention far faster than re-reading notes.
Can I practise just Infrastructure questions in a focused session?
Yes — the session launcher on this page draws every question from the Infrastructure domain. Use a 10-question session first to gauge your baseline, then move to 20 or 30 once the weak spots are clear.
Where can I practise other FC0-U61 topics?
Use the topic links above to move to related areas, or go back to the FC0-U61 question bank to see all topics.
Are these real exam questions or dumps?
These are original practice questions written to test the same concepts the FC0-U61 exam covers. They are not copied from any real exam or dump site.