- A
Password complexity automatically disables HTTPS management.
Why wrong: Password complexity does not automatically disable HTTPS management. This is incorrect.
- B
The administrator's account is locked due to too many failed login attempts.
The account is locked due to too many failed login attempts. This is the most likely cause because the remote web interface is inaccessible but local console still works, as console authentication may be unaffected by lockout settings.
- C
The password does not meet the new complexity requirements, causing the commit to fail and revert the management configuration.
Why wrong: Enabling password complexity does not cause a commit failure or revert management configuration. This is factually incorrect.
- D
HTTPS management is automatically disabled when password complexity is enabled.
Why wrong: HTTPS management is not automatically disabled when password complexity is enabled. This is incorrect.
PCNSA Device Management and Services Practice Question
This PCNSA practice question tests your understanding of device management and services. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
After enabling password complexity on a Palo Alto firewall, an administrator is unable to access the management web interface remotely. The administrator can still access the console locally. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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
The administrator's account is locked due to too many failed login attempts.
The most likely cause is account lockout due to multiple failed login attempts from remote access. When an administrator attempts to access the web interface with incorrect credentials, the firewall locks the account after a configured number of failures. However, local console access may still work if the account lockout policy does not apply to console sessions or if the console uses a different authentication mechanism. Therefore, option B is the most plausible explanation.
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.
- ✗
Password complexity automatically disables HTTPS management.
Why it's wrong here
Password complexity does not automatically disable HTTPS management. This is incorrect.
- ✓
The administrator's account is locked due to too many failed login attempts.
Why this is correct
The account is locked due to too many failed login attempts. This is the most likely cause because the remote web interface is inaccessible but local console still works, as console authentication may be unaffected by lockout settings.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The password does not meet the new complexity requirements, causing the commit to fail and revert the management configuration.
Why it's wrong here
Enabling password complexity does not cause a commit failure or revert management configuration. This is factually incorrect.
- ✗
HTTPS management is automatically disabled when password complexity is enabled.
Why it's wrong here
HTTPS management is not automatically disabled when password complexity is enabled. This is incorrect.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume password complexity only affects future password changes, not the current password, and overlook the commit failure and configuration rollback that can disable remote management access.
Detailed technical explanation
How to think about this question
Under the hood, Palo Alto firewalls enforce password complexity via the 'password-complexity' setting in the device configuration. When a commit is attempted with a password that fails the new complexity rules (e.g., minimum length, character types), the commit fails and the management plane reverts to the last committed configuration, which may have had HTTPS management enabled. This behavior is critical in production environments where a failed commit can inadvertently lock out remote administrators, emphasizing the need to update passwords before enabling complexity.
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 practitioner preparing for the PCNSA exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Device Management and Services — study guide chapter
Learn the concepts, then practise the questions
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FAQ
Questions learners often ask
What does this PCNSA question test?
Device Management and Services — This question tests Device Management and Services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The administrator's account is locked due to too many failed login attempts. — The most likely cause is account lockout due to multiple failed login attempts from remote access. When an administrator attempts to access the web interface with incorrect credentials, the firewall locks the account after a configured number of failures. However, local console access may still work if the account lockout policy does not apply to console sessions or if the console uses a different authentication mechanism. Therefore, option B is the most plausible explanation.
What should I do if I get this PCNSA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This PCNSA practice question is part of Courseiva's free Palo Alto Networks 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 PCNSA exam.
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