Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A help desk technician reviews a voicemail in which the caller claims to be from the security team, says the user will be locked out unless they read back a one-time passcode, and leaves a callback number. What type of attack is this?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Smishing, because the attacker is using a text message with a link.
Smishing specifically uses SMS or text messages, not voicemail or live phone-based interaction.
B
Best answer
Vishing, because the attacker is using voice communication to pressure the user.
Vishing is voice-based social engineering, including phone calls and voicemail messages that try to pressure the target into revealing information. Requesting a one-time passcode is especially dangerous because it can let an attacker bypass MFA protections. The callback number is often used to appear legitimate and keep the victim engaged long enough to disclose sensitive data.
C
Distractor review
Baiting, because the attacker is offering a reward to entice the user.
Baiting usually relies on an enticing object or offer, such as free media or a found USB device, rather than an urgent verification request.
D
Distractor review
Pretexting, because the attacker invented a role and story.
Pretexting is part of the technique, but the delivery channel here is specifically voice, which makes vishing the best classification.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A laptop is suspected of being used in a malware incident. It is still powered on and connected to Wi-Fi. What should the responder do before shutting it down?
Question 2
An employee reports a ransomware note on a file server. The server is still powered on, shares are still being accessed, and management wants service restored as quickly as possible. What should the incident response team do first?
Question 3
An employee reports a ransomware note on a finance laptop. The laptop is still powered on, connected to Wi-Fi, and the user says they were just working in a spreadsheet. Management wants the fastest safe response that also preserves evidence. What should the responder do first?
Question 4
You are handed a company laptop suspected in an insider theft case. Legal says the evidence may be needed in court. Which action best preserves admissibility?
Question 5
A developer wants to reduce the risk of SQL injection in a new customer search form. Which two changes are the best mitigations? Select two.
Question 6
A branch office uses a flat LAN, and a compromise on one user workstation could spread quickly to finance systems. Management wants finance workstations isolated from general users, but finance staff still need access to a central finance application and network printer. What is the best design change?
FAQ
Questions learners often ask
What does this SY0-701 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Vishing, because the attacker is using voice communication to pressure the user. — This is vishing because the attacker is using voice-based communication to impersonate security staff and pressure the user into sharing a one-time code. The requested code can defeat MFA if the attacker immediately uses it. The callback number is meant to reinforce trust and keep the interaction going. Recognizing voice-based urgency and refusing to share authentication factors are key defensive behaviors. Why others are wrong: Smishing is text-message based, so it does not fit a voicemail scenario. Baiting involves luring the target with something enticing, which is not happening here. Pretexting describes the fabricated story, but the best attack label in this case is vishing because the communication channel is the telephone or voicemail.
What should I do if I get this SY0-701 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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