220-1201 · topic practice

Security practice questions

Practise CompTIA A+ Core 1 220-1201 Security 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: Security

What the exam tests

What to know about Security

Security 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 Security 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

Security questions

20 questions · select your answer, then reveal the explanation

Question 1easymultiple choice
Read the full wireless explanation →

A small office uses a wireless printer that supports Wi-Fi Direct. Several employees want to print from their smartphones without connecting to the company's wireless network. What is the simplest way to achieve this?

Question 2hardmultiple choice
Read the full Security explanation →

A technician is configuring a kiosk tablet that must connect to a wired Ethernet network for security reasons. The tablet only has a USB-C port. The network drop provides an RJ45 connection. Which of the following should the technician use to achieve a wired connection?

Question 3easymultiple choice
Read the full wireless explanation →

A user reports that their smartphone can connect to Wi-Fi at home but not at the office. Other devices connect fine to the office Wi-Fi. What is the most likely cause?

Question 4mediummultiple choice
Read the full wireless explanation →

A user reports that their laptop can see multiple Wi-Fi networks but cannot connect to any of them. Other devices in the same location connect without issue. What is the most likely cause?

Question 5hardmultiple choice
Read the full wireless explanation →

A technician is deploying a fleet of tablets that must connect to a corporate network using 802.1X authentication with certificates. After configuring the Wi-Fi profile, some tablets fail to connect. The technician verifies the SSID and security settings are correct. What is the most likely missing configuration?

Question 6hardmultiple choice
Read the full Security explanation →

A user reports that after a recent iOS update, their banking app crashes every time they try to log in. Other apps work fine. The app was working before the update. What is the most likely cause and solution?

Question 7mediummultiple choice
Read the full NAT/PAT explanation →

During a network security audit, a technician finds that an employee is using a protocol that allows remote control of a computer with full graphical interface but without encryption. Which protocol should be replaced with a more secure alternative?

Question 8hardmultiple choice
Read the full Security explanation →

A technician is setting up a new file server that needs to be accessible to employees both from the local network and remotely over the internet. The server will host shared folders. Which protocol should the technician ensure is properly configured and secured on the server for file access?

Question 9mediummultiple choice
Read the full NAT/PAT explanation →

A user reports that their email client can receive messages but cannot send any. The email server settings are correct, and the user can connect to the internet. The firewall is blocking outbound traffic on certain ports. Which protocol and port combination is likely blocked?

Question 10hardmultiple choice
Read the full VPN explanation →

A technician is configuring a network printer for secure printing using IPsec. After enabling IPsec on the printer and the print server, print jobs fail to reach the printer. The technician can ping the printer from the server. Which protocol negotiation step is most likely failing?

Question 11hardmultiple choice
Read the full Security explanation →

A security audit reveals that an internal file server is listening on multiple ports, including 137, 138, 139, and 445. The auditor recommends disabling older protocols. Which port is associated with SMB over TCP/IP directly (without NetBIOS)?

Question 12hardmultiple choice
Read the full Security explanation →

During a security audit, a technician discovers that an internal web server is responding on port 8080 instead of the standard HTTP port. What is the most likely reason for this configuration?

Question 13hardmultiple choice
Read the full wireless explanation →

A company deploys a new 802.11ax (Wi-Fi 6) access point to support high-density environments. Some older laptops with 802.11ac adapters cannot connect, while newer Wi-Fi 6 laptops work fine. The SSID is broadcast and security is set to WPA2. What is the MOST likely cause?

Question 14hardmultiple choice
Read the full wireless explanation →

A technician is configuring a wireless network for a high-density environment such as a conference hall. The network must support hundreds of simultaneous connections with minimal interference. Which configuration will best achieve this?

Question 15easymultiple choice
Read the full wireless explanation →

A technician is configuring a new wireless router for a home office. The customer wants to ensure that guests can access the internet but cannot see other devices on the main network. Which feature should the technician enable on the router?

Question 16mediummultiple choice
Read the full wireless explanation →

A technician is setting up a new wireless network for a small office. The office has three access points (APs) that should allow seamless roaming. The technician configures all APs with the same SSID and security settings. What additional configuration is necessary to prevent clients from staying connected to a weak signal?

Question 17hardmultiple choice
Read the full Security explanation →

A technician is troubleshooting a network where users on one floor cannot access a server on another floor. Both floors are connected via a single fiber optic link. The technician checks the link and sees the switch port shows 'err-disabled' status. What is the most likely cause of this state?

Question 18mediummultiple choice
Review the full routing breakdown →

A company's network uses a router with a built-in 4-port switch. The IT manager wants to segment the network into two separate broadcast domains for security. What additional hardware is required?

Question 19hardmultiple choice
Open the full VLAN trunking answer →

A technician is troubleshooting a network where users on one floor cannot communicate with users on another floor. Both floors are connected to the same switch via separate VLANs configured for security. What additional device is needed to allow communication between the VLANs?

Question 20mediummultiple choice
Read the full DHCP explanation →

A technician is troubleshooting a network where a user's computer cannot obtain an IP address via DHCP. The computer is connected to a switch, and other devices on the same switch work fine. The technician checks the switch and sees that the port is up and the link light is green. What should the technician check next?

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Frequently asked questions

What does the 220-1201 exam test about Security?
Security 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 Security questions in a focused session?
Yes — the session launcher on this page draws every question from the Security 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 220-1201 topics?
Use the topic links above to move to related areas, or go back to the 220-1201 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 220-1201 exam covers. They are not copied from any real exam or dump site.