PCNSA Device Management and Services Practice Question
Exhibit
{"type":"traffic","subtype":"end","from":"trust","to":"untrust","sourceip":"10.1.1.100","destip":"203.0.113.50","user":"jdoe","action":"allow","bytes_sent":1024,"bytes_received":2048}Refer to the exhibit. A security analyst reviews a traffic log entry in JSON format. Which firewall feature is responsible for including the 'user' field in the log?
⚠ Common exam trap
Candidates often confuse Captive Portal (which authenticates users for web access) with User-ID (which passively maps IPs to usernames for logging and policy enforcement), leading them to choose Captive Portal instead of User-ID.
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
✓
User-ID
The 'user' field in a traffic log is populated by User-ID, which maps IP addresses to usernames by monitoring authentication events from Active Directory, LDAP, or terminal services agents. This allows the firewall to log and enforce policies based on user identity rather than just IP addresses.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Data Filtering
Why it's wrong here
Incorrect: Data Filtering patterns don't affect user field in logs.
- ✗
Captive Portal
Why it's wrong here
Incorrect: Captive Portal authenticates users but does not directly populate log fields.
- ✗
GlobalProtect
Why it's wrong here
Incorrect: GlobalProtect provides VPN access and may map users, but User-ID is the feature that adds the user field to logs.
- ✓
User-ID
Why this is correct
Correct: User-ID maps IP addresses to usernames and includes the user in traffic logs.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCNSA practice question is part of Courseiva's free Palo Alto Networks 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 PCNSA exam.