CS0-003 Reporting and Communication Practice Question
This CS0-003 practice question tests your understanding of reporting and communication. 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.
During a security incident, the SOC analyst determines that the attack is originating from an internal IP address belonging to the finance department. The incident response plan requires escalation to the appropriate team. Which of the following should the analyst contact first?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The finance department manager to confirm if the activity is authorized.
Option C is correct because the incident response plan requires confirmation of authorization before taking containment actions. Since the activity originates from an internal IP in the finance department, the analyst must first contact the finance department manager to verify whether the traffic is legitimate business use (e.g., a scheduled audit or approved data transfer). This step prevents unnecessary disruption and aligns with the 'verify before act' principle in NIST SP 800-61 incident handling.
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 legal department to handle potential compliance issues.
Why it's wrong here
Legal involvement may be premature without confirmation.
✗
The system administrator for the finance department to isolate the host.
Why it's wrong here
Isolation may disrupt legitimate business operations.
✓
The finance department manager to confirm if the activity is authorized.
Why this is correct
Verifying with the department manager confirms if the activity is legitimate before further action.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The human resources department for disciplinary action.
Why it's wrong here
HR is not the first contact for technical validation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CompTIA often tests the misconception that technical containment (e.g., isolating a host) should be the immediate next step, but the correct sequence requires verifying authorization first to avoid disrupting legitimate business operations.
Detailed technical explanation
How to think about this question
In incident response frameworks like NIST SP 800-61, the 'identification' phase includes verifying whether observed activity is malicious or authorized. This is often done by cross-referencing internal IP addresses with asset owners or department managers using a CMDB (Configuration Management Database) or ticketing system. A real-world scenario might involve a finance department running a legitimate internal vulnerability scan or data migration that triggers alerts; contacting the manager avoids false-positive escalation and unnecessary host isolation.
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 SOC analyst notices unusual lateral movement in the network at 2 AM. The IR playbook dictates: identify and contain (isolate the affected machine), then eradicate (remove the malware), then recover (restore from backup), then document. Skipping containment before eradication risks the attacker regaining access. Questions like this test the sequence and rationale of incident response phases.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CS0-003 question in full detail.
Reporting and Communication — This question tests Reporting and Communication — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The finance department manager to confirm if the activity is authorized. — Option C is correct because the incident response plan requires confirmation of authorization before taking containment actions. Since the activity originates from an internal IP in the finance department, the analyst must first contact the finance department manager to verify whether the traffic is legitimate business use (e.g., a scheduled audit or approved data transfer). This step prevents unnecessary disruption and aligns with the 'verify before act' principle in NIST SP 800-61 incident handling.
What should I do if I get this CS0-003 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: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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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