Exam F5CAB5 Topic 4 Question 11 Discussion
Actual exam question for F5's F5CAB5 exam
Question #: 11
Topic #: 4
Question #: 11
Topic #: 4
Which file should the BIG-IP Administrator check to determine when a Virtual Server changed its status from RED to GREEN?
Suggested Answer: B Vote an answer
Status changes for local traffic objects (Virtual Servers, Pools, Nodes) are recorded in the Local Traffic Manager (LTM) log.
Health State Logging: When a health monitor marks a resource as available (Green) or unavailable (Red), the system generates a log message in /var/log/ltm.
Log Entry Example: A transition from Red to Green will appear as a message similar to: 01010027:3: Pool /Common/my_pool member /Common/10.0.0.1:80 monitor status up.
Evaluation of Other Options:
/var/log/audit (Option A) logs who changed a configuration, not automated state changes from health monitors.
/var/log/lastlog (Option C) is a standard Linux file that tracks the last login time of users.
/var/log/monitors (Option D) is not a standard log file on the BIG-IP system.
Health State Logging: When a health monitor marks a resource as available (Green) or unavailable (Red), the system generates a log message in /var/log/ltm.
Log Entry Example: A transition from Red to Green will appear as a message similar to: 01010027:3: Pool /Common/my_pool member /Common/10.0.0.1:80 monitor status up.
Evaluation of Other Options:
/var/log/audit (Option A) logs who changed a configuration, not automated state changes from health monitors.
/var/log/lastlog (Option C) is a standard Linux file that tracks the last login time of users.
/var/log/monitors (Option D) is not a standard log file on the BIG-IP system.
by Claire at Mar 19, 2026, 02:42 PM
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