F5 BIG-IP Administration Control Plane Administration (F5CAB4) Certification Sample Questions

01. An administrator needs to determine if a BIG-IP device is "Forced Offline" or "Offline" due to a system fault. Where in the GUI is the best place to find the specific reason for the state?
a) Local Traffic > Virtual Servers
b) Statistics > Dashboard
c) Device Management > Overview
d) System > Logs > Local Traffic

02. If a BIG-IP system has "Allow Default" configured on a Self-IP, which management-related service is permitted by default?
a) RDP
b) SSH
c) FTP
d) Telnet

03. What is the primary purpose of the "Quick View" or "General Properties" section in the Device Management > Devices screen?
a) To modify the SSL certificates for the management GUI.
b) To create new virtual servers without leaving the dashboard.
c) To monitor the real-time throughput of the TMM interfaces.
d) To view the failover state, software version, and platform type of a specific device.

04. Where in the BIG-IP GUI can you verify if the system is correctly receiving time from an NTP server?
a) Statistics > Performance > System
b) Device Management > Overview
c) System > Logs > System
d) System > Configuration > Device > NTP

05. Which of the following best describes the risk of setting Port Lockdown to "Allow All" on an external-facing Self-IP?
a) It exposes the BIG-IP management services (like SSH/GUI) to the external network.
b) It prevents the BIG-IP from synchronizing its configuration with peers.
c) It disables the ability of the BIG-IP to process load-balanced traffic.
d) It allows any client to bypass virtual server security.

06. While looking at the BIG-IP Configuration Utility, an administrator notices a virtual server marked with a yellow triangle icon. What does this status indicate?
a) The virtual server is disabled by the administrator.
b) The virtual server is available, but one or more pool members are unavailable.
c) The virtual server is unavailable because all associated pool members are down.
d) The virtual server is in a "Testing" mode and not processing live traffic.

07. Which command provides a summary of the system's hardware, including serial number and platform type?
a) tmsh list sys platform
b) tmsh show sys version
c) tmsh show sys hardware
d) tmsh show net interface

08. To save disk space, the BIG-IP system periodically compresses old log files. What file extension is typically added to these rotated logs?
a) .zip
b) .bak
c) .gz
d) .old

09. An administrator notices the "Sync Status" on the top right of the GUI says "Disconnected." What is the most likely impact of this status?
a) The device has lost its license.
b) Changes made on this unit cannot be synchronized to the peer.
c) Traffic processing has stopped on all virtual servers.
d) The management GUI is no longer accessible via HTTPS.

10. An administrator is locked out of the GUI but still has serial console access. Which TMSH command can be used to check if the management interface is administratively "up"?
a) tmsh show sys management-status
b) tmsh show sys interface
c) tmsh list net mgmt-interface
d) tmsh show net interface mgmt