This SPLK-1002 practice question tests your understanding of using fields and lookups. 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.
A security analyst is investigating a suspicious IP address. They want to find all events related to that IP. Which field should they use in a search?
source_ip
source_ip typically contains the originating IP address.
dest_ip
Why wrong: dest_ip is the destination IP, not the source.
host
Why wrong: host refers to the hostname or device name.
user
Why wrong: user is for username, not IP address.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
source_ip
The correct answer is A: source_ip. In Splunk, when investigating a suspicious IP address, the source_ip field identifies the origin of network traffic. By searching for source_ip=<suspicious IP>, you retrieve all events where that IP was the initiator of a connection, which is the most direct way to find events related to that IP in network logs.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
source_ip
Why this is correct
source_ip typically contains the originating IP address.
Related concept
Read the scenario before looking for a memorised answer.
dest_ip
Why it's wrong here
dest_ip is the destination IP, not the source.
host
Why it's wrong here
host refers to the hostname or device name.
user
Why it's wrong here
user is for username, not IP address.
Common exam traps
The trap here is that candidates often confuse source_ip with dest_ip, assuming any IP field will work, but Splunk requires field-specific searches to accurately capture the role of the IP in the event.
Detailed technical explanation
Under the hood, Splunk extracts source_ip from network data sources like firewall logs (e.g., Cisco ASA, Palo Alto), proxy logs, or NetFlow records, typically from the src or src_ip field in the raw data. In a real-world scenario, an analyst might combine source_ip with sourcetype=firewall to isolate inbound connections, then pivot to dest_ip to trace lateral movement. A subtle behavior: if the IP is used as a NAT address, source_ip may show the translated address, not the original client IP.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the SPLK-1002 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
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FAQ
Using Fields and Lookups — This question tests Using Fields and Lookups — Read the scenario before looking for a memorised answer..
The correct answer is: source_ip — The correct answer is A: source_ip. In Splunk, when investigating a suspicious IP address, the source_ip field identifies the origin of network traffic. By searching for source_ip=<suspicious IP>, you retrieve all events where that IP was the initiator of a connection, which is the most direct way to find events related to that IP in network logs.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This SPLK-1002 practice question is part of Courseiva's free Splunk certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SPLK-1002 exam.
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