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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
Related Certifications:F5 Certified Technology Specialist (LTM)
F5 Certified BIG-IP Administrator
Available Languages:English
Recommended Training:F5 BIG-IP Administration Fundamentals Course
F5 LTM Essentials Training
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 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 3
  • 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 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 (Q50-Q55):

NEW QUESTION # 50
Which configuration file can a BIG-IP administrator use to verify the provisioned modules?

Answer: A

Explanation:
Provisioning settings define which modules are enabled and how system resources are allocated to them.
These provisioning declarations are stored in:
/config/bigip.conf
This file contains:
Full module provisioning statements
TMSH-equivalent provisioning configurations such as:
sys provision ltm { level nominal }
sys provision asm { level nominal }
It is the primary system configuration file that stores all active provisioning details.


NEW QUESTION # 51
A BIG-IP device is licensed for LTM, ASM, APM, and AFM.
Currently, it will only be used for load balancing and web application firewalling.
To ensure optimal performance and efficient resource utilization, which of the following module provisioning combinations is the best choice?

Answer: A

Explanation:
BIG-IP provisioning determines how CPU, memory, and disk resources are allocated to each module. The goal is to provision only the modules required and at levels appropriate to their performance needs.
Requirements in the question
The device will be used for:
LTM (Local Traffic Manager) load balancing
ASM (Application Security Manager) WAF
No functions require:
APM (Access Policy Manager)
AFM (Advanced Firewall Manager)
Why Option C is correct
Provisioning both LTM and ASM at Nominal level provides:
Adequate performance for production load
Plentiful system resources while avoiding dedicating the entire system to a single module Balanced allocation without starving memory or CPU Setting APM: None and AFM: None ensures unused modules consume zero resources.


NEW QUESTION # 52
In order to configure allowed IP addresses for SSH access to a BIG-IP device, the BIG-IP Administrator has issued the commands shown in the exhibit.

Which IP addresses will have SSH access after issuing the shown commands?
(Choose two.)

Answer: A,B

Explanation:
From the exhibit, the administrator performs the following actions:
* Displays the current SSH allow configuration:
tmsh list sys sshd allow
allow { ALL }
* Replaces the existing SSH allow list with a specific subnet:
tmsh modify sys sshd allow replace-all-with { 10.0.0.0/24 }
* Confirms the updated configuration:
tmsh list sys sshd allow
allow { 10.0.0.0/24 }
This configuration restricts SSH access to only hosts that fall within the 10.0.0.0/24 network.
Evaluation of the options
A). 10.0.0.100
This address is within the 10.0.0.0/24 subnet and is a valid host address, so SSH access is permitted.
B). 10.0.0.254
This address is also within the 10.0.0.0/24 subnet and is a valid host address, so SSH access is permitted.
C). 10.0.0.256
This is not a valid IP address because an IPv4 octet cannot exceed 255.
D). 100.0.1.10
This address is outside the configured 10.0.0.0/24 subnet and will not be allowed.
E). 100.0.0.10
This address is also outside the configured subnet and will not be allowed.


NEW QUESTION # 53
A BIG-IP Administrator upgrades the BIG-IP LTM to a newer software version. After the administrator reboots into the new volume, the configuration fails to load.
Why is the configuration failing to load?

Answer: D

Explanation:
When upgrading to a newer TMOS software version, BIG-IP validates whether the current license is permitted to run that version.
This is controlled by theService Check Datein the device's license file.
If the Service Check Date is older than the minimum required for the target version:
* The systemboots into the new volume,
* Butfails to load the configuration,
* And will instead present messages indicating that the configuration cannot be applied due to aninvalid or outdated license.
This is a well-known behavior:
An outdated license, not reactivated before upgrade, causes configuration load failure after reboot into the new software.
Why the other options are incorrect:
A). Performed on the standby unit
* Upgrading a standby unit does not cause configuration load failure.
* Standby-only upgrades are standard best practice.
C). Two reboots required
* BIG-IP does not require two reboots during an upgrade.
* One reboot into the new volume is sufficient.
D). DNS connectivity failure
* DNS connectivity does not affect configuration loading.
* DNS is only needed for automatic license activation, not for applying config at boot.
Thus, the configuration failed to load because thelicense was not reactivated before the upgrade, making Option Bcorrect.


NEW QUESTION # 54
The Service Check Date on the license matches the date that the BIG-IP was installed two years ago. Which of the following activities would require the BIG-IP Administrator to renew the license and update the Service Check Date for it to work?

Answer: C

Explanation:
The Service Check Date embedded in the BIG-IP license acts as a gating mechanism that determines eligibility for software updates. F5 enforces that the Service Check Date must be equal to or newer than the software release date of any BIG-IP version being installed. If the installed license carries a Service Check Date from two years ago, attempting to upgrade to a newly released BIG-IP software version -- whose release date post-dates that Service Check Date -- will fail, as the system validates this date during the upgrade process.


NEW QUESTION # 55
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