Exam F5CAB1 Topic 4 Question 55 Discussion

Actual exam question for F5's F5CAB1 exam
Question #: 55
Topic #: 4
An organization is planning to upgrade a BIG-IP system from 16.1.x to 17.1.x.
For a successful upgrade, the Service Check Date must be equal to or newer than the License Check Date required for 17.1.x.
Which command will show the Service Check Date on the BIG-IP system being upgraded?

Suggested Answer: A Vote an answer

BIG-IP licensing information, including the Service Check Date, is stored in the file:
/config/bigip.license
This file contains all license attributes downloaded from the F5 licensing server, including:
License key
Licensed modules
Useful life date
Service check date
The Service Check Date determines whether the system is eligible for upgrades to specific TMOS versions. When reviewing upgrade readiness, administrators extract this value directly from the license file with:
grep "Service check date" /config/bigip.license
Why the other options are incorrect:
/config/bigip.conf stores BIG-IP configuration objects, not license metadata.
/config/svc_chk_date.dat is not a valid file in the licensing system; it does not contain license parameters.
/config/BigDB.dat stores internal database values, not licensing attributes.
Thus, only the bigip.license file contains the correct licensing information required for verifying upgrade eligibility.

by Mick at May 07, 2026, 08:50 AM

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