Exam F5CAB1 Topic 1 Question 34 Discussion
Actual exam question for F5's F5CAB1 exam
Question #: 34
Topic #: 1
Question #: 34
Topic #: 1
When using the tmsh shell of a BIG-IP system, which command will display the management-ip address?
Suggested Answer: B Vote an answer
Comprehensive and Detailed Explanation (Paraphrased from F5 BIG-IP Administration / Installation / Initial Configuration concepts) Within the BIG-IP Traffic Management Shell (tmsh), system configuration objects-including the management IP-are organized under the/syshierarchy. The management IP address is a configurable property stored in the system configuration and can be viewed using the tmshlistcommand, which displays configuration objects and their currently assigned values.
Why "list /sys management-ip" is correct
* The list command in tmsh is used todisplay configured system values, not runtime statistics.
* The object that holds the management IP settings on BIG-IP systems is located at:/sys management-ip
* Running the command:list /sys management-ipwill reveal the settings for the management IP interface, including the address, netmask, and any associated attributes.
* This is the standard method used during system setup and verification to confirm the management IP configuration.
This behavior aligns with BIG-IP administration procedures, where configuration information is retrieved usinglist, while operational data is retrieved usingshow.
Why the other options are incorrect
A). run /util bash ifconfig mgmt
* This command enters the Bash shell, then runs ifconfig to display the management interface.
* While this can show the management interface address, it isnot a tmsh-native command, and the question specifically asks for a tmsh command.
* Administrators use tmsh directly for configuration display rather than leaving the shell.
C). show /sys management-ip
* The show command displaysstatistics or operational data, not configuration values.
* The management-ip object does not maintain statistics; therefore show does not return the configuration details required.
* Only thelistcommand reveals stored configuration data such as IP address and netmask.
Why "list /sys management-ip" is correct
* The list command in tmsh is used todisplay configured system values, not runtime statistics.
* The object that holds the management IP settings on BIG-IP systems is located at:/sys management-ip
* Running the command:list /sys management-ipwill reveal the settings for the management IP interface, including the address, netmask, and any associated attributes.
* This is the standard method used during system setup and verification to confirm the management IP configuration.
This behavior aligns with BIG-IP administration procedures, where configuration information is retrieved usinglist, while operational data is retrieved usingshow.
Why the other options are incorrect
A). run /util bash ifconfig mgmt
* This command enters the Bash shell, then runs ifconfig to display the management interface.
* While this can show the management interface address, it isnot a tmsh-native command, and the question specifically asks for a tmsh command.
* Administrators use tmsh directly for configuration display rather than leaving the shell.
C). show /sys management-ip
* The show command displaysstatistics or operational data, not configuration values.
* The management-ip object does not maintain statistics; therefore show does not return the configuration details required.
* Only thelistcommand reveals stored configuration data such as IP address and netmask.
by Agnes at Jan 01, 2026, 01:09 AM
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