Question 380 of 750
Logical Security ConceptsmediumMultiple ChoiceObjective-mapped

Why Writing Passwords on Sticky Notes Violates Security

This 220-1202 practice question tests your understanding of logical security concepts. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

During a security audit, an administrator discovers that several employees have written their domain passwords on sticky notes attached to their monitors. The company policy requires strong passwords and prohibits sharing credentials. Which security principle is being violated?

Quick Answer

The answer is password confidentiality, as the core security principle being violated when employees write passwords on sticky notes attached to monitors. Password confidentiality requires that credentials remain secret and known only to the authorized user; placing them in plain sight on a desk or screen directly undermines this by making them easily observable to anyone passing by, including unauthorized personnel, visitors, or even cleaning staff. On the CompTIA A+ Core 2 220-1202 exam, this scenario tests your grasp of fundamental security best practices, often appearing in questions about social engineering or physical security controls. A common trap is confusing confidentiality with integrity or availability, but remember that confidentiality is about keeping information hidden from unauthorized eyes. For a quick memory tip, think of the three letters CIA: Confidentiality is the “C” that gets broken the moment a password leaves your head and lands on a sticky note.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Password confidentiality

Password confidentiality is the principle that passwords must be kept secret and known only to the authorized user. By writing domain passwords on sticky notes attached to monitors, employees are exposing credentials to anyone with physical access, directly violating this principle. The company policy explicitly prohibits sharing credentials, and this practice undermines the security of the domain authentication system.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Principle of least privilege

    Why it's wrong here

    Least privilege is about granting only necessary access rights, not about keeping passwords secret. The sticky note issue is about confidentiality, not authorization levels.

  • Account lockout policy

    Why it's wrong here

    Account lockout policies prevent brute-force attacks after multiple failed attempts. They do not address the physical exposure of passwords.

  • Password confidentiality

    Why this is correct

    Password confidentiality requires that passwords be known only to the authorized user. Writing them on sticky notes compromises this by making them visible to others.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Multi-factor authentication

    Why it's wrong here

    MFA adds an extra layer of security, but the core issue here is that passwords are being exposed, which would still be a problem even with MFA.

Common exam traps

Common exam trap: answer the scenario, not the keyword

CompTIA A+ often tests the distinction between password confidentiality (keeping passwords secret) and other security controls like least privilege or MFA, leading candidates to confuse the principle of not sharing credentials with access restriction or authentication methods.

Detailed technical explanation

How to think about this question

In Active Directory environments, domain passwords are hashed using NTLM or Kerberos protocols and stored in the NTDS.dit file. When a password is written down and visible, it bypasses all technical controls such as password complexity enforcement (e.g., requiring 12+ characters with uppercase, lowercase, digits, and symbols) and account lockout thresholds, because an attacker can simply read the password and authenticate as that user. Real-world scenarios include social engineering attacks where an attacker photographs a sticky note from across a desk, gaining domain access without triggering any alerts.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A junior network technician can log in to a core router but cannot reach the enable prompt or configuration mode. The AAA server is authenticating the login — but the authorisation policy only grants privilege level 1, not 15. Authentication (who you are) is working; authorisation (what you can do) is not.

What to study next

Got this wrong? Here's your next step.

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FAQ

Questions learners often ask

What does this 220-1202 question test?

Logical Security Concepts — This question tests Logical Security Concepts — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Password confidentiality — Password confidentiality is the principle that passwords must be kept secret and known only to the authorized user. By writing domain passwords on sticky notes attached to monitors, employees are exposing credentials to anyone with physical access, directly violating this principle. The company policy explicitly prohibits sharing credentials, and this practice undermines the security of the domain authentication system.

What should I do if I get this 220-1202 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jul 4, 2026

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This 220-1202 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1202 exam.