Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A help desk ticket reports that a user's Microsoft 365 mailbox sent hundreds of messages to external contacts, and the user says they are still receiving MFA prompts they did not start. The attacker may still have an active web session. What is the best first containment action?
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
Delete the suspicious sent messages and close the ticket.
Removing messages does not stop the attacker from continuing to use the account, and it can destroy useful evidence.
B
Best answer
Revoke the account's active sessions and reset the password immediately.
Ending active sessions cuts off any stolen cookies or tokens that may still be valid, and resetting the password prevents immediate reentry. In an email compromise, the attacker often keeps access through browser sessions even after credentials change. Fast containment should focus on terminating current access paths first, then investigating forwarding rules, OAuth grants, and sign-in history.
C
Distractor review
Wait until the end of the workday to avoid interrupting the user.
Delaying containment gives the attacker more time to exfiltrate data, send phishing messages, or change account settings.
D
Distractor review
Reimage the user's laptop before touching the email account.
A reimage may be useful later if endpoint compromise is confirmed, but it does not immediately stop mailbox misuse.
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: Revoke the account's active sessions and reset the password immediately. — When an attacker may still have an active web session, the fastest and most effective containment step is to revoke sessions and reset the password. That cuts off stolen browser tokens or cached authentication cookies that could continue working even after a password change. It also prevents the attacker from reusing credentials right away. After containment, the team can review mail forwarding rules, connected apps, and sign-in logs to determine the initial compromise path. Why others are wrong: Deleting sent mail only hides symptoms and may remove evidence. Waiting increases the attacker’s opportunity to abuse the account further. Reimaging the laptop is a possible later action if the endpoint is involved, but the immediate risk is active cloud account access, so the mailbox must be contained first.
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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