Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
A user says their files suddenly have a new extension and a note appears demanding payment to restore access. Which type of malware is most likely involved?
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
Best answer
Ransomware
Ransomware commonly encrypts files and leaves a payment demand, which matches the described symptoms.
B
Distractor review
Adware
Adware usually displays advertisements, but it does not typically encrypt files or demand payment for recovery.
C
Distractor review
Spam filter
A spam filter is a security tool, not a malware type, and it would not cause file encryption.
D
Distractor review
Screen saver
A screen saver changes the display when idle and is unrelated to encrypted files or ransom notes.
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: Ransomware — Ransomware is the most likely cause because the files were renamed or encrypted and a payment demand appeared. That pattern is a classic ransomware indicator and should prompt immediate containment and incident response. At this stage, the security team should stop further spread, preserve evidence where possible, and begin recovery planning rather than assuming a simple user error. Why others are wrong: Adware can cause unwanted advertisements but does not usually lock files. Spam filters and screen savers are not malware types and do not fit the behavior described. The clues point strongly to a file-encrypting attack, which is characteristic of ransomware.
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.
Discussion
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