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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Securing BIG-IP | 20% | - Management security
|
| Topic 2: Software Image Management | 20% | - Image acquisition and storage
|
| Topic 3: Licensing | 20% | - Module licensing and provisioning
|
| Topic 4: System Upgrade and Maintenance | 20% | - Upgrade procedures
|
| Topic 5: Management Connectivity and Configuration | 20% | - Management network setup
|
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NEW QUESTION # 67
Given that BIGIP-<version>.iso and Hotfix-BIGIP-<version>-ENG.iso have been uploaded to
/shared/images on an F5 device, what is the appropriate tmsh command to prepare and update the BIG-IP device with the hotfix of a software version on a new volume HD1.2? (Choose one.)
Answer: B
Explanation:
When installing a hotfix on a new volume, you must reference both the base image and the hotfix image in a single command - the base ISO is required to build the volume first, then the hotfix is layered on top.
NEW QUESTION # 68
What are the two options for securing a BIG-IP's management interface? (Choose two.)
Answer: A,C
Explanation:
Securing the BIG-IP management interface is a fundamental administrative responsibility. F5 best practices emphasize restricting who can reach the management port and ensuring that only authorized systems are allowed access.
A). Limiting management access to trusted network segments
F5 recommends placing the management interface on a dedicated, isolated, and secured management network or VLAN, rather than exposing it to production or untrusted networks.
This reduces the attack surface by ensuring only trusted segments have visibility to administrative interfaces.
D). Restricting management access by IP or subnet
F5 BIG-IP uses the /sys httpd allow list (for HTTPS) and configuration options in sshd (for SSH) to control which IP addresses or subnets can access the device.
By specifying only known administrative IPs or ranges, unauthorized users cannot reach the login services.
NEW QUESTION # 69
A secondary administrator has been granted access to a BIG-IP device through its Management Interface, but is unable to access the Configuration Utility (WebUI). What command can be run from the CLI to capture the network traffic on the management interface and troubleshoot the issue? (Choose two.)
Answer: A,B
Explanation:
The BIG-IP has two distinct planes:
Management-plane -> handled entirely by the management interface (MGMT) Data-plane (TMM) -> handles Self IPs, VLAN interfaces, and traffic processing To capture traffic on the management interface, only the management-side NICs may be used:
mgmt -> Logical name for the management interface
eth0 -> Physical Linux interface mapped to the management port on most BIG-IP platforms Both of these correctly capture inbound/outbound WebUI (HTTPS/443) traffic on the management port.
Why the correct answers are A and B
A). tcpdump -i eth0 -n port 443
On BIG-IP appliances and VMs, the management port maps to eth0 at the Linux OS level.
Capturing on eth0 correctly shows HTTPS traffic to the WebUI.
B). tcpdump -i mgmt -n port 443
mgmt is the BIG-IP alias for the management interface.
This is the preferred and most explicit capture interface for management-plane packet captures.
NEW QUESTION # 70
Which option is used to install a new version of the BIG-IP software?
Answer: B
Explanation:
The "Software Management" section in the Configuration utility is used to upload and apply new software images to the BIG-IP system.
NEW QUESTION # 71
A BIG-IP Administrator is responsible for deploying a new software image on an F5 BIG-IP HA pair and has scheduled a one-hour maintenance window.
With a focus on minimizing service disruption, which of the following strategies is the most appropriate?
Answer: A
Explanation:
For BIG-IP high-availability (HA) pairs, F5's recommended upgrade workflow prioritizesservice continuity, predictable failover, andminimal downtime. The established best-practice sequence is:
* Upgrade the standby unit first
* Because the standby device is not passing traffic, upgrading and rebooting it does not impact production.
* Boot the standby unit into the newly installed version
* Once online, the administrator verifies basic health, device sync status, cluster communication, and module functionality.
* Perform a controlled failover to the upgraded unit
* Traffic shifts to the newly upgraded device, allowing validation of the configuration and operational behavior under real traffic loads.
* Upgrade the second device (now standby)
* The previously active device becomes standby after failover, allowing it to be safely upgraded and rebooted without interruption.
This phased approach ensures only one device is unavailable at a time, allowing continuous traffic flow throughout the upgrade process.
Why the Correct Answer is C
OptionCexactly matches F5's documented production-safe upgrade method:
* Upgrade thestandbynode first
* Reboot into new image
* Failover to upgraded device
* Validate
* Upgrade the remaining (now-standby) device
This procedure minimizes risk and traffic disruption.
Why the other options are incorrect:
A). Upgrade the active node first
* Upgrading the active device requires removing it from service and failing over abruptly. This is not recommended and increases service disruption risk.
B). Resetting device trust
* Resetting trust is unnecessary and can disrupt configuration sync, peer communication, and cluster operation. It is not part of any standard upgrade workflow.
D). Upgrading and rebooting both nodes simultaneously
* This would causetotal outage, because both HA members would be unavailable at the same time.
NEW QUESTION # 72
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