- A
index=security sourcetype=windows_security EventCode=4625 | rex field=Account "from (\d+\.\d+\.\d+\.\d+)" | top 10 ip
Why wrong: This command uses `rex` without a named capture group, so it does not create a field named `ip`. The `top 10 ip` command would fail because no `ip` field exists. Therefore, option A is incorrect.
- B
index=security sourcetype=windows_security EventCode=4625 | top 10 Account
Why wrong: This command runs `top 10 Account`, but the `Account` field contains the full string like 'from 10.0.0.1', not just the IP. This would count those strings, not extract the IP address. Hence, option B is incorrect.
- C
index=security sourcetype=windows_security | top 10 src_ip
This command uses the `src_ip` field which is automatically extracted for EventCode 4625 by the Windows TA. The `top 10 src_ip` returns the most common source IPs. Even though the filter for EventCode=4625 is missing, the stem indicates the initial search already limits events to that code. Thus, option C is correct.
- D
index=security sourcetype=windows_security EventCode=4625 | table Account | top 10
Why wrong: This command first uses `table Account` which limits output to only the `Account` field, then `top 10` attempts to top that field, but the `top` command requires a field argument. Even if it worked, it would count `Account` values, not IP addresses. Therefore, option D is incorrect.
SPLK-1002 src_ip field Practice Question
This SPLK-1002 practice question tests your understanding of splunk basics and interface navigation. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: src_ip field. 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 search using index=security sourcetype=windows_security returns events with EventCode=4625. The user wants to find the top 10 source IP addresses. Which search will accomplish this?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
index=security sourcetype=windows_security | top 10 src_ip
Option C is correct because for Windows security events with EventCode 4625, Splunk (with the appropriate TA) automatically extracts the source IP address into a field named `src_ip`. Therefore, the search `index=security sourcetype=windows_security | top 10 src_ip` directly provides the top 10 source IP addresses from all events. The first filter for EventCode=4625 is omitted in this option, but the question stem states that the initial search already returns only those events, so the filter is redundant.
Key principle: src_ip field
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
index=security sourcetype=windows_security EventCode=4625 | rex field=Account "from (\d+\.\d+\.\d+\.\d+)" | top 10 ip
Why it's wrong here
This command uses `rex` without a named capture group, so it does not create a field named `ip`. The `top 10 ip` command would fail because no `ip` field exists. Therefore, option A is incorrect.
- ✗
index=security sourcetype=windows_security EventCode=4625 | top 10 Account
Why it's wrong here
This command runs `top 10 Account`, but the `Account` field contains the full string like 'from 10.0.0.1', not just the IP. This would count those strings, not extract the IP address. Hence, option B is incorrect.
- ✓
index=security sourcetype=windows_security | top 10 src_ip
Why this is correct
This command uses the `src_ip` field which is automatically extracted for EventCode 4625 by the Windows TA. The `top 10 src_ip` returns the most common source IPs. Even though the filter for EventCode=4625 is missing, the stem indicates the initial search already limits events to that code. Thus, option C is correct.
Related concept
src_ip field
- ✗
index=security sourcetype=windows_security EventCode=4625 | table Account | top 10
Why it's wrong here
This command first uses `table Account` which limits output to only the `Account` field, then `top 10` attempts to top that field, but the `top` command requires a field argument. Even if it worked, it would count `Account` values, not IP addresses. Therefore, option D is incorrect.
Common exam traps
Common exam trap: answer the scenario, not the keyword
In Splunk, for Windows security event 4625, the source IP is automatically extracted into the `src_ip` field by the TA. Candidates often try to use `rex` unnecessarily, which can be error-prone.
Trap categories for this question
Command / output trap
This command uses `rex` without a named capture group, so it does not create a field named `ip`. The `top 10 ip` command would fail because no `ip` field exists. Therefore, option A is incorrect.
Detailed technical explanation
How to think about this question
In Windows security event 4625, the source IP address is not stored in a dedicated field like `src_ip`; instead, it appears within the `Account` field as part of a string such as 'from 192.168.1.100'. The `rex` command with the pattern `from (\d+\.\d+\.\d+\.\d+)` extracts the IP into a new field named `ip`, which is then used by `top`. This regex matches IPv4 addresses in dotted-decimal notation, and the parentheses create a capturing group that becomes the value of the `ip` field. Without this extraction, the `top` command would operate on the raw `Account` string, which includes the username and other text, not the IP alone.
KKey Concepts to Remember
- src_ip field
- top command
- EventCode=4625
- Field extraction
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
src_ip field
Real-world example
How this comes up in practice
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. src_ip field 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
Questions learners often ask
What does this SPLK-1002 question test?
Splunk Basics and Interface Navigation — This question tests Splunk Basics and Interface Navigation — src_ip field.
What is the correct answer to this question?
The correct answer is: index=security sourcetype=windows_security | top 10 src_ip — Option C is correct because for Windows security events with EventCode 4625, Splunk (with the appropriate TA) automatically extracts the source IP address into a field named `src_ip`. Therefore, the search `index=security sourcetype=windows_security | top 10 src_ip` directly provides the top 10 source IP addresses from all events. The first filter for EventCode=4625 is omitted in this option, but the question stem states that the initial search already returns only those events, so the filter is redundant.
What should I do if I get this SPLK-1002 question wrong?
Review src_ip field, then practise related SPLK-1002 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
src_ip field
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Last reviewed: Jun 24, 2026
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