- A
Reset MFA immediately, since the caller has provided enough internal details to seem credible.
Why wrong: Internal details can be stolen or guessed. Credibility in a call is not proof of identity, so resetting MFA immediately would be unsafe.
- B
Ask the caller to read a one-time code aloud so the technician can confirm their identity.
Why wrong: One-time codes are authentication secrets. Asking for them would help the attacker complete account takeover rather than verify identity.
- C
End the call and verify the request through a published help desk number or ticketing system.
The safest first action is to stop using information supplied by the caller and verify through a trusted, independently obtained contact path. Because the attacker already knows internal details and provided a callback number in a text, those channels cannot be trusted. Using a published help desk number or the official ticketing system preserves least risk and prevents social engineering from extending into account reset abuse.
- D
Approve the request if the caller can name the supervisor and the contractor's project team.
Why wrong: Knowing names and project details is not strong identity proof. Pretext attackers often gather that information from public sources or prior breaches.
SY0-701 Threats, Vulnerabilities, and Mitigations Practice Question
This SY0-701 practice question tests your understanding of threats, vulnerabilities, and mitigations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: out-of-band verification uses a separate, trusted communication channel.. 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.
A help desk technician receives a call from someone claiming to be a new contractor whose MFA app failed during travel. The caller knows the company org chart, names the technician's supervisor, and says the technician should use a callback number included in a text message they just sent. What is the safest first action?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"first"Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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
End the call and verify the request through a published help desk number or ticketing system.
Option C is correct because the safest first action when receiving an unsolicited call requesting privileged actions (like MFA reset) is to independently verify the request through official channels. The caller's knowledge of internal details (org chart, supervisor name) and the request to use a callback number from a text message are classic social engineering red flags, as the callback number could be attacker-controlled. Hanging up and calling back via a published help desk number ensures the request is legitimate and prevents MFA bypass or account takeover.
Key principle: Out-of-band verification uses a separate, trusted communication channel.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Reset MFA immediately, since the caller has provided enough internal details to seem credible.
Why it's wrong here
Internal details can be stolen or guessed. Credibility in a call is not proof of identity, so resetting MFA immediately would be unsafe.
- ✗
Ask the caller to read a one-time code aloud so the technician can confirm their identity.
Why it's wrong here
One-time codes are authentication secrets. Asking for them would help the attacker complete account takeover rather than verify identity.
- ✓
End the call and verify the request through a published help desk number or ticketing system.
Why this is correct
The safest first action is to stop using information supplied by the caller and verify through a trusted, independently obtained contact path. Because the attacker already knows internal details and provided a callback number in a text, those channels cannot be trusted. Using a published help desk number or the official ticketing system preserves least risk and prevents social engineering from extending into account reset abuse.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Out-of-band verification uses a separate, trusted communication channel.
- ✗
Approve the request if the caller can name the supervisor and the contractor's project team.
Why it's wrong here
Knowing names and project details is not strong identity proof. Pretext attackers often gather that information from public sources or prior breaches.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume the caller's knowledge of internal details (supervisor name, org chart) is sufficient proof of identity, but CompTIA tests the principle that any unsolicited request for privileged actions must be independently verified through a trusted channel, not through information the caller provides.
Detailed technical explanation
How to think about this question
Social engineering attacks often exploit the 'authority' and 'liking' principles by using internal knowledge to build trust. In this scenario, the callback number in the text message could be a VoIP number controlled by the attacker, enabling a man-in-the-middle attack if the technician calls it. The correct verification process involves using a pre-established, out-of-band communication channel (e.g., calling the help desk's published number or checking the ticketing system) to ensure the request is genuine, aligning with NIST SP 800-63B identity assurance guidelines.
KKey Concepts to Remember
- Out-of-band verification uses a separate, trusted communication channel.
- Social engineering pretexts often include seemingly credible internal details.
- Never trust contact information provided by an unverified caller.
- MFA resets require stringent identity verification to prevent account takeover.
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
Out-of-band verification uses a separate, trusted communication channel.
Real-world example
How this comes up in practice
An employee at a financial services firm receives an email that appears to come from the IT helpdesk, asking them to reset their password via a link. The link leads to a convincing fake portal that harvests credentials. Security teams use phishing simulations and security-awareness training to reduce this attack vector. Questions like this test whether you can identify social engineering techniques and appropriate controls.
What to study next
Got this wrong? Here's your next step.
Review out-of-band verification uses a separate, trusted communication channel., then practise related SY0-701 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this SY0-701 question test?
Threats, Vulnerabilities, and Mitigations — This question tests Threats, Vulnerabilities, and Mitigations — Out-of-band verification uses a separate, trusted communication channel..
What is the correct answer to this question?
The correct answer is: End the call and verify the request through a published help desk number or ticketing system. — Option C is correct because the safest first action when receiving an unsolicited call requesting privileged actions (like MFA reset) is to independently verify the request through official channels. The caller's knowledge of internal details (org chart, supervisor name) and the request to use a callback number from a text message are classic social engineering red flags, as the callback number could be attacker-controlled. Hanging up and calling back via a published help desk number ensures the request is legitimate and prevents MFA bypass or account takeover.
What should I do if I get this SY0-701 question wrong?
Review out-of-band verification uses a separate, trusted communication channel., then practise related SY0-701 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Out-of-band verification uses a separate, trusted communication channel.
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Last reviewed: Jun 11, 2026
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