This 350-701 practice question tests your understanding of content security. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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.
An organization uses Cisco ESA to filter inbound email. The security team notices that some phishing emails are reaching users despite having an anti-spam policy. Further analysis reveals that the emails are sent from a domain that is gray-listed but not blocked. What should the administrator do to prevent these emails without impacting legitimate emails?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a content filter to quarantine the emails based on malicious URLs or attachment type.
Option B is correct because creating a content filter to quarantine emails based on malicious URLs or attachment type directly addresses the phishing threat without affecting legitimate emails. Since the domain is gray-listed (not blocked), the anti-spam policy considers the sender as suspicious but not malicious; a content filter can inspect the email content for specific indicators of compromise (e.g., known malicious URLs or dangerous attachment types like .exe or .js) and quarantine those emails, bypassing the gray-mail classification.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Disable the Gray Mail feature in the anti-spam policy.
Why it's wrong here
May increase unwanted mail.
✓
Create a content filter to quarantine the emails based on malicious URLs or attachment type.
Why this is correct
Targets specific threat content.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable Retrospective Scanning to detect the phishing emails after delivery.
Why it's wrong here
Does not prevent initial delivery.
✗
Add the sender IP address to the SenderBase block list.
Why it's wrong here
May block legitimate emails from same IP.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between anti-spam policies (which classify based on sender reputation and content patterns) and content filters (which allow rule-based actions on specific email attributes), leading candidates to mistakenly choose options that modify the anti-spam policy or rely on post-delivery detection instead of pre-delivery prevention.
Detailed technical explanation
How to think about this question
Cisco ESA content filters operate after anti-spam and anti-virus scanning, allowing granular inspection of email content using rules based on message headers, body, attachments, or URL reputation (via Talos). Gray Mail is a classification for bulk or marketing emails that are not clearly spam; it is based on sender reputation and volume, not on malicious intent. A content filter can use the 'URL Reputation' condition to block or quarantine emails containing URLs with a poor reputation score (e.g., -6 to -10), or use 'Attachment File Type' to quarantine high-risk file types, providing a targeted defense against phishing without affecting gray-listed legitimate bulk emails.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 350-701 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Content Security — This question tests Content Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a content filter to quarantine the emails based on malicious URLs or attachment type. — Option B is correct because creating a content filter to quarantine emails based on malicious URLs or attachment type directly addresses the phishing threat without affecting legitimate emails. Since the domain is gray-listed (not blocked), the anti-spam policy considers the sender as suspicious but not malicious; a content filter can inspect the email content for specific indicators of compromise (e.g., known malicious URLs or dangerous attachment types like .exe or .js) and quarantine those emails, bypassing the gray-mail classification.
What should I do if I get this 350-701 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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