CompTIA
220-802 · Question #986
220-802 Question #986: Real Exam Question with Answer & Explanation
The correct answer is D: Undeliverable email returns. If an email account is compromised and used to send spam, the attacker's outbound messages to invalid addresses will generate Non-Delivery Reports (NDRs) that bounce back to the account owner, revealing unauthorized use.
Question
A customer wrote an email password on a piece of paper and has misplaced it. The customer wants to know if the account has been compromised. Which of the following symptoms will MOST likely indicate that this has occurred?
Options
- APop-ups while browsing
- BLack of Internet connectivity
- CChanged home page
- DUndeliverable email returns
Explanation
If an email account is compromised and used to send spam, the attacker's outbound messages to invalid addresses will generate Non-Delivery Reports (NDRs) that bounce back to the account owner, revealing unauthorized use.
Common mistakes.
- A. Pop-ups while browsing indicate adware or browser-based malware infection, which is unrelated to a stolen email credential.
- B. Loss of Internet connectivity is a network or ISP issue and has no direct connection to email account compromise.
- C. A changed browser home page typically indicates unwanted browser extension or adware, not unauthorized email account access.
Concept tested. Identifying email account compromise via NDR bounce messages
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