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F5 F5CAB1 Exam Overview:

Certification Vendor:F5
Exam Name:F5 BIG-IP Administration: Install, Initial Configuration, and Upgrade
Exam Number:F5CAB1
Exam Format:Multiple Choice
Available Languages:English
Related Certifications:F5 Certified BIG-IP Administrator
F5 Certified Technology Specialist (LTM)
Recommended Training:F5 LTM Essentials Training
F5 BIG-IP Administration Fundamentals Course
Exam Registration:F5 Training & Certification Portal
Sample Questions:F5 F5CAB1 Sample Questions
Exam Way:Online proctored or authorized testing center (varies by region)
Pre Condition:Basic networking knowledge (TCP/IP, routing concepts) recommended
Official Syllabus URL:https://www.f5.com/services/training-certification

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F5 F5CAB1 Exam Syllabus Topics:

TopicDetails
Topic 1
  • BIG IP Administration Control Plane Administration: This section of the exam measures skills of System Administrators and covers managing the control plane where BIG IP is configured and administered. It includes working with user accounts, roles, device settings, configuration management, and using the graphical interface and command line for daily administrative tasks.
Topic 2
  • BIG IP Administration Support and Troubleshooting: This section of the exam measures skills of Network Administrators and covers identifying and resolving common issues that affect BIG IP operation. It focuses on using logs, statistics, diagnostic tools, and basic troubleshooting methods to restore normal traffic flow and maintain stable application delivery.
Topic 3
  • BIG IP Administration Data Plane Concepts: This section of the exam measures skills of Network Administrators and covers how BIG IP handles application traffic on the data plane. It includes understanding flow of traffic, key data path components, basic concepts of load balancing, and how security and performance features affect user traffic.
Topic 4
  • BIG IP Administration Install Initial Configuration and Upgrade: This section of the exam measures skills of System Administrators and covers the lifecycle tasks for deploying and maintaining a BIG IP system. It includes installing the platform, performing initial setup, applying licenses, configuring basic networking, and planning and executing software upgrades and hotfixes.
Topic 5
  • BIG IP Administration Data Plane Configuration: This section of the exam measures skills of System Administrators and covers configuring BIG IP objects that control data plane behavior. It focuses on setting up virtual servers, pools, nodes, monitors, and profiles so that applications are delivered reliably and efficiently according to design requirements.

F5 BIG-IP Administration Install, Initial Configuration, and Upgrade Sample Questions (Q31-Q36):

NEW QUESTION # 31
Which port is an exception to the Port Lockdown function of Self-IPs if a device-group synchronization cluster is configured?

Answer: C

Explanation:
Self-IPs implement a security feature known asPort Lockdown, which limits which services are reachable on a Self-IP.
However, certain services required for BIG-IP device-to-device communication bypass Port Lockdown to ensure cluster and HA functionality.
TCP 4353
* TCP port4353is used byDevice Service Clustering (DSC)for:
* Device trust establishment
* Configuration synchronization
* Failover communication
* Because BIG-IP devices must always be able to communicate for HA functions to remain operational, port 4353 isexempt from Port Lockdown rules.
Why the other options are incorrect
A). TCP 443
* Not required for device trust or synchronization.
* HTTPS access is fully controlled by Port Lockdown.
C). UDP 53
* DNS traffic is not required for synchronization and has no exemption under Port Lockdown.


NEW QUESTION # 32
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 prioritizes service continuity, predictable failover, and minimal 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
Option C exactly matches F5's documented production-safe upgrade method:
Upgrade the standby node first
Reboot into new image
Failover to upgraded device
Validate
Upgrade the remaining (now-standby) device
This procedure minimizes risk and traffic disruption.


NEW QUESTION # 33
An administrator is in the process of reactivating the license using the interface displayed in the exhibit.
What is the address of the license server to which the BIG-IP device must be able to establish an outbound connection in order to use theAutomatic Activation Method?

Answer: C

Explanation:
When you chooseAutomaticas the activation method in the License Re-activate screen, the BIG-IP device itself contacts F5'slicense activation serviceover the Internet.
For successful automatic activation:
* The BIG-IP must have outbound network connectivity (typically via the management interface).
* DNS resolution and routing must allow it to reach theF5 license activation host(the one shown in option D).
* The device sends its dossier and registration key to that service and receives an updated license file in return, which is then installed automatically.
The other hostnames in the options are not used by BIG-IP for license activation, so they cannot be correct in the context ofAutomatic Activation.


NEW QUESTION # 34
A BIG-IP Administrator needs to purchase new licenses for a BIG-IP appliance.
The administrator needs to know:
* Whether a module is licensed
* The memory requirement for that module
Where should the administrator view this information in the System menu ?

Answer: B

Explanation:
To understand:
* Which modules are licensed
* Which modules are provisioned
* The resource requirements (CPU / RAM) of each module
The administrator uses:
System > Resource Provisioning
This page displays:
* All modules present in the license
* Whether they are enabled or disabled
* Required memory to activate each module
* CPU and disk allocation information
* Provisioning level options (None / Minimal / Nominal / Dedicated)
This is the exact location where BIG-IP administrators evaluate module capacity before enabling or purchasing licensing upgrades.
Why the other options are incorrect:
A). Configuration > OVSDB
* Used for network virtualization integrations, not licenses or modules.
B). Software Management
* Used for software image installation, not licensing.
C). Configuration > Device
* Displays hostname, failover settings, device properties - not module resource requirements.
Thus, module licensing and memory requirement data are found under Resource Provisioning .


NEW QUESTION # 35
Which one of the following is a port and protocol combination allowed by the Allow Default setting for Port Lockdown?

Answer: C

Explanation:
Port Lockdown controls which ports and protocols a Self IP will respond to.
The Allow Default setting permits only a predefined set of BIG-IP internal and required service ports.
The Allow Default list includes:
TCP 443 HTTPS (Management/TMUI access via Self-IP)
TCP 4353 CMI (device sync)
TCP/UDP ports related to HA communication
Other essential internal F5 ports
Why TCP 443 is correct:
It is one of the officially allowed ports under Allow Default.
It enables HTTPS/TMUI access through a Self IP.


NEW QUESTION # 36
......

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