F5CAB4 Control Plane Administration Practice Question
An administrator needs to back up the current BIG-IP configuration to a UCS archive on the local device. Which command should the administrator use?
⚠ Common exam trap
Candidates often confuse the 'save sys config' command with 'save sys ucs', or using the wrong verb like 'create'.
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
✓
tmsh save sys ucs /var/local/ucs/backup.ucs
The correct command to create a UCS archive is 'tmsh save sys ucs <path>'. This command captures the entire configuration, including licenses and network settings, into a single file. It is the standard backup method for BIG-IP devices. Other commands either save only the running configuration or perform a restore, not a backup.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
tmsh save sys ucs /var/local/ucs/backup.ucs
Why this is correct
This command creates a UCS archive containing the full configuration, including licenses and management IP, and saves it to the specified path. It is the standard method for backing up a BIG-IP configuration. The 'save sys ucs' command is correct and widely used for this purpose.
- ✗
tmsh create sys ucs /var/local/ucs/backup.ucs
Why it's wrong here
There is no 'create sys ucs' command in TMSH. The correct verb for creating a UCS archive is 'save'. This option is invalid and would result in a syntax error. The administrator should use 'save sys ucs' instead.
- ✗
tmsh save sys config /var/local/ucs/backup.ucs
Why it's wrong here
The 'save sys config' command saves the running configuration to the bigip.conf file, not to a UCS archive. It does not create a UCS file. This command is used to persist configuration changes, not for backup. Using it with a UCS path would result in an error or an incorrect file.
- ✗
tmsh load sys ucs /var/local/ucs/backup.ucs
Why it's wrong here
The 'load sys ucs' command restores a configuration from a UCS archive, which is the opposite of backing up. It would overwrite the current configuration with the contents of the archive. This is not the correct command for creating a backup.
About these practice questions
One of 40 original F5CAB4 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official F5 exam blueprint
This F5CAB4 practice question is part of Courseiva's free F5 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 F5CAB4 exam.