FC0-U71 · domain
Security
Practise CompTIA Tech+ (FC0-U71) Security practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.
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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.
Question index
All Security questions (97)
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A company requires all employees to use a smart card and a PIN to access the building. This is an example of which concept?
Medium2Which type of malware is designed to replicate itself and spread to other computers without needing to attach to a host file?
Medium3An attacker gains physical access to a secure area by following an authorized employee through a door that requires a badge. This social engineering technique is known as:
Medium4A small business owner wants to protect customer data stored on laptops in case the devices are stolen. Which encryption method provides the best protection for the entire hard drive?
Hard5An employee allows a delivery person to enter a secure office building by holding the door open. The delivery person does not have an access badge. Which social engineering attack is this?
Medium6Which TWO of the following are effective measures to protect against ransomware attacks? (Select two.)
Medium7A security analyst is evaluating risks to the company's network. According to the risk formula (Risk = Likelihood × Impact), which THREE of the following are considered vulnerabilities?
Hard8A user receives an email from their bank asking them to click a link and verify their account information. The email contains spelling errors and the sender's address looks suspicious. Which type of social engineering attack is this?
Medium9A user reports that their computer has been displaying unwanted pop-up advertisements frequently. Which type of malware is most likely responsible?
Medium10Which of the following is a best practice for creating a strong password?
Easy11A security analyst discovers that a file on a server has been modified without authorization. Which element of the CIA triad has been compromised?
Hard12What is the primary risk of using public Wi-Fi without a VPN?
Medium13Which of the following is the best practice for creating strong passwords?
Medium14What is the primary purpose of a password manager?
Easy15Which component of the CIA triad ensures that data cannot be modified by unauthorized users?
Easy16A user is concerned about connecting to a public Wi-Fi network at a coffee shop. Which security measure can best protect their data?
Medium17Which of the following is the primary purpose of hashing a password before storing it in a database?
Medium18A company's backup strategy requires three copies of data, on two different media types, with one copy offsite. Which backup rule does this follow?
Hard19A company is developing a security policy. Which THREE of the following are examples of physical security controls?
Hard20What is the primary purpose of a network firewall?
Easy21Which TWO of the following are examples of multi-factor authentication?
Easy22A user receives an email that appears to be from their bank, asking them to click a link and verify their account details. The user suspects it is a phishing attempt. Which type of phishing attack is this most likely to be?
Medium23Which of the following is the strongest password?
Easy24An organization requires employees to use a password and a one-time code sent to their mobile phone when logging into the network. Which security principle is being implemented?
Medium25A user receives an email that appears to be from their bank, asking them to click a link and verify their account details. The email contains urgent language and threats of account closure. What type of attack is this?
Medium26A user receives an email that appears to be from their bank, asking them to click a link and verify their account. The email contains urgent language and a generic greeting. Which type of security threat is this?
Medium27Which element of the CIA triad is primarily concerned with ensuring that data is not accessed by unauthorized individuals?
Easy28Which of the following is a characteristic of a worm in the context of malware?
Easy29An organization uses a security model where users are granted the minimum permissions necessary to perform their job functions. This model is known as:
Hard30Which TWO of the following are characteristics of ransomware?
Medium31Which THREE of the following are effective methods to protect against malware infections? (Select THREE.)
Hard32An employee calls the help desk claiming to be a manager from another department and requests a password reset. This is an example of which social engineering technique?
Hard33Which THREE of the following are best practices for password security?
Medium34Which of the following best describes the 'Confidentiality' component of the CIA triad?
Easy35Which of the following best describes the principle of least privilege?
Easy36Which type of malware is disguised as legitimate software but performs malicious actions?
Medium37An employee is working from a coffee shop and needs to access company files. Which of the following is the most secure method?
Medium38What is the difference between a threat and a vulnerability?
Easy39Which TWO of the following are best practices for password security?
Easy40A company wants to implement the principle of least privilege for its employees. Which TWO of the following actions align with this principle? (Choose TWO.)
Medium41A company is implementing a backup strategy. Which of the following best adheres to the 3-2-1 backup rule?
Hard42A company implements a policy where employees must lock their computer screen when leaving their desk. Which security principle does this practice support?
Medium43Which of the following is the best practice for backing up data according to the 3-2-1 rule?
Easy44Which backup strategy involves keeping three copies of data on two different media types with one copy offsite?
Medium45Which of the following is a key difference between a vulnerability and a threat in cybersecurity?
Medium46Which of the following malware types is characterized by self-replication without needing to attach to a host file?
Medium47A security analyst is explaining the difference between a threat and a vulnerability. Which statement accurately describes this difference?
Hard48A company wants to ensure that sensitive documents are not readable if a laptop is stolen. Which of the following provides the best protection?
Medium49Which TWO of the following are recommended practices for physical security in an office environment? (Select two.)
Easy50Which of the following encryption methods is used to protect data in transit over a public network, such as the internet?
Hard51An organization implements a security control that requires users to swipe a smart card and then enter a PIN to access a secure facility. Which combination of authentication factors does this represent?
Hard52Which THREE of the following are examples of multi-factor authentication? (Select three.)
Hard53Which of the following is an example of multi-factor authentication?
Medium54An IT administrator is hardening a server. Which three of the following actions should be taken to improve security? (Select THREE.)
Hard55An organization adopts the 3-2-1 backup rule. Which of the following practices aligns with this rule?
Medium56A security analyst notices that a user's computer is running slowly and displaying many pop-up ads. Which type of malware is most likely causing this?
Hard57Which of the following is a characteristic of a strong password?
Easy58Which TWO of the following are examples of physical security controls?
Easy59A company is implementing physical security measures. Which two of the following are examples of physical security controls? (Select TWO.)
Medium60A company implements a policy requiring employees to use a password and a one-time code sent to their mobile phone when logging into the corporate network. Which security concept is being employed?
Medium61Which TWO of the following are examples of physical security measures? (Select TWO)
Medium62A user receives an email that appears to be from their bank, asking them to click a link and verify their account details. The user notices the email address is slightly misspelled (e.g., 'support@bankk.com' instead of 'support@bank.com'). Which type of attack is this?
Medium63Which of the following is the best practice for creating a strong password?
Easy64Which TWO of the following are examples of social engineering attacks? (Select TWO.)
Medium65Which of the following is an example of something you are in multi-factor authentication?
Medium66Which of the following best describes the principle of confidentiality in the CIA triad?
Easy67Which of the following best describes the principle of confidentiality in the CIA triad?
Easy68Which of the following is a characteristic of a strong password?
Easy69A company requires employees to use a one-time code from a smartphone app in addition to their password to log into the corporate VPN. This is an example of:
Hard70Which THREE of the following are characteristics of a strong password? (Select THREE)
Hard71A company wants to protect its network from unauthorized external access. Which of the following devices should be configured to filter traffic based on port and protocol?
Medium72Which of the following is a characteristic of a worm compared to a virus?
Hard73Which of the following best describes the principle of least privilege?
Medium74A security analyst discovers that a file on a server has been modified without authorization. However, the system logs show that the modification was made by an authenticated user who had legitimate access to the file. Which aspect of the CIA triad has been violated?
Hard75A security administrator wants to protect data at rest on a laptop that may be lost or stolen. Which of the following is the BEST solution?
Hard76Which of the following is an example of a physical security control?
Easy77An attacker gains physical access to a building by following an employee through a secured door without using a badge. This is an example of which social engineering technique?
Hard78What is the primary purpose of a firewall?
Medium79Which type of malware attaches to legitimate files and spreads when those files are executed?
Medium80Which TWO of the following are characteristics of a strong password? (Select TWO.)
Easy81A user receives a suspicious email with an attachment claiming to be an invoice. Which three practices should the user follow? (Select THREE.)
Hard82A company implements a policy where employees must swipe their ID card and then enter a PIN to access the server room. Which two authentication factors are being used?
Hard83A company's IT policy mandates data backups following the 3-2-1 rule. Which TWO of the following practices align with this rule?
Hard84What is the primary purpose of a password manager?
Easy85An organization wants to ensure that employees only have access to the data necessary to perform their job functions. Which principle should be applied?
Medium86An employee receives an email that appears to be from the CEO, urgently requesting a wire transfer to an external vendor. The email address looks slightly off. Which type of social engineering attack is this?
Medium87Which TWO of the following are examples of multi-factor authentication? (Choose TWO.)
Medium88A user receives an email that appears to be from their bank, asking them to click a link and verify their account details. The user notices the sender's email address is slightly misspelled. Which type of threat is this?
Medium89Which TWO of the following are types of malware? (Select TWO)
Easy90A user wants to protect their laptop in case it is stolen. Which TWO of the following measures would help protect the confidentiality of the data?
Medium91A company wants to ensure that data on lost laptops cannot be accessed. Which technology should be used?
Medium92A help desk technician receives a call from a user who says their computer is showing a message that files are encrypted and a ransom is demanded. Which TWO types of malware are most likely involved?
Medium93A user downloads a free game from an untrusted website. After installation, the user's computer begins displaying pop-up advertisements frequently. Which type of malware is most likely installed?
Medium94An employee is tailgated into a secure office building by someone without a badge. Which type of security threat does this represent?
Medium95What is the primary purpose of a password manager?
Easy96An organization implements a security policy where users must provide a password and a one-time code generated by a mobile app to log in. Which type of authentication is being used?
Hard97A security analyst is explaining the CIA triad to new employees. Which scenario best illustrates a breach of integrity?
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Frequently asked questions
- What does the Security domain cover on the FC0-U71 exam?
- Security questions test whether you can apply the concept in context, not just recognise a definition.
- How many questions are in this domain?
- This page lists all 97 Security questions in the FC0-U71 question bank. The actual exam draws from this domain proportionally to its weighting in the official exam blueprint.
- What is the best way to practise this domain?
- Start with a short focused session (10 questions) to identify gaps, then work through explanations. Repeat with a longer session once the weak areas feel solid.
- Can I practise only Security questions?
- Yes — the session launcher on this page filters questions to this domain only. Choose any session length for inline explanations and scoring.