The answer is that the third event shows a TETRA event quarantine unknown disposition because AMP’s Trajectory (TETRA) engine correlated the file’s execution and, finding its disposition unknown, quarantined it locally while submitting it to the cloud for analysis. This is correct because TETRA groups related events into a single trajectory; when a file with an unknown disposition is executed, AMP takes a precautionary quarantine action pending cloud classification, which explains the “Action: Quarantine” and “Disposition: Unknown” fields. On the Cisco SCOR 350-701 exam, this tests your understanding of AMP’s cloud-based file analysis workflow and TETRA event correlation—a common trap is assuming “Unknown” means the file is safe, when it actually indicates the cloud verdict is still pending. Remember the memory tip: “Unknown means Unclassified, not Unharmed,” so quarantine is the default protective step.
350-701 Endpoint Protection and Detection Practice Question
This 350-701 practice question tests your understanding of endpoint protection and detection. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 administrator reviews the AMP event log shown in the exhibit. The same file hash appears in all events. What is the most likely explanation for the third event showing a 'TETRA Event' with 'Action: Quarantine' and 'Disposition: Unknown'?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
The AMP connector failed to communicate with the cloud and generated a TETRA event as an error.
Why wrong: TETRA events are not error messages; they are part of the targeted execution analysis process.
B
The file was previously blocked, but the user executed it from a different location, triggering a TETRA event.
Why wrong: The file was blocked in two locations, but TETRA events occur when a file with unknown disposition is executed, not because of previous blocks.
C
The file was determined to be malicious by the cloud after the first detection.
Why wrong: The disposition is 'Unknown' in the TETRA event, indicating the cloud has not yet classified it.
D
The file was executed and, because its disposition was unknown, AMP quarantined it and submitted it for cloud analysis.
TETRA events are triggered when an unknown file is executed; the connector quarantines the file and sends it to the cloud for analysis.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The file was executed and, because its disposition was unknown, AMP quarantined it and submitted it for cloud analysis.
The third event shows a TETRA (Trajectory) event with 'Action: Quarantine' and 'Disposition: Unknown' because AMP uses TETRA to correlate related events into a single trajectory. When a file with an unknown disposition is executed, AMP quarantines it locally and submits it to the cloud for analysis. The 'Unknown' disposition indicates the cloud had not yet classified the file at the time of the event, and the quarantine action is a precautionary measure while analysis is pending.
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.
✗
The AMP connector failed to communicate with the cloud and generated a TETRA event as an error.
Why it's wrong here
TETRA events are not error messages; they are part of the targeted execution analysis process.
✗
The file was previously blocked, but the user executed it from a different location, triggering a TETRA event.
Why it's wrong here
The file was blocked in two locations, but TETRA events occur when a file with unknown disposition is executed, not because of previous blocks.
✗
The file was determined to be malicious by the cloud after the first detection.
Why it's wrong here
The disposition is 'Unknown' in the TETRA event, indicating the cloud has not yet classified it.
✓
The file was executed and, because its disposition was unknown, AMP quarantined it and submitted it for cloud analysis.
Why this is correct
TETRA events are triggered when an unknown file is executed; the connector quarantines the file and sends it to the cloud for analysis.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that a TETRA event is a separate detection type rather than a correlation mechanism, leading candidates to confuse it with a cloud communication error or a re-execution trigger.
Detailed technical explanation
How to think about this question
TETRA (Trajectory) is a Cisco AMP feature that groups related events (e.g., file creation, execution, and subsequent actions) into a single timeline for forensic analysis. When a file's disposition is 'Unknown', AMP applies a default policy action (e.g., quarantine) and submits the file to the AMP cloud for static and dynamic analysis. The cloud then updates the disposition to 'Malicious' or 'Clean' once analysis completes, which would appear in a later event if the file is re-encountered.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
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.
Endpoint Protection and Detection — This question tests Endpoint Protection and Detection — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The file was executed and, because its disposition was unknown, AMP quarantined it and submitted it for cloud analysis. — The third event shows a TETRA (Trajectory) event with 'Action: Quarantine' and 'Disposition: Unknown' because AMP uses TETRA to correlate related events into a single trajectory. When a file with an unknown disposition is executed, AMP quarantines it locally and submits it to the cloud for analysis. The 'Unknown' disposition indicates the cloud had not yet classified the file at the time of the event, and the quarantine action is a precautionary measure while analysis is pending.
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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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