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F5 F5CAB1 Exam Overview:

Certification Vendor:F5 Networks
Exam Name:BIG-IP Administration: Install, Initial Configuration, and Upgrade
Exam Number:F5CAB1
Exam Price:$50 USD
Passing Score:70%
Related Certifications:F5 Certified Technology Specialist, BIG-IP Admin (F5CTS-BIG-IP-Admin)
Real Exam Qty:76
Exam Format:Scenario-based, Multiple choice, Multiple select, True/False
Certificate Validity Period:2 years
Available Languages:English
Exam Duration:120 minutes
Sample Questions:F5 F5CAB1 Sample Questions
Exam Way:Online proctored or in-person at Pearson VUE testing centers
Pre Condition:No formal prerequisites, but basic networking knowledge and familiarity with F5 BIG-IP platform is recommended
Official Syllabus URL:https://www.f5.com/learn/certification/f5cab1

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F5 F5CAB1 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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.
Topic 4
  • 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 5
  • 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.

F5 BIG-IP Administration Install, Initial Configuration, and Upgrade Sample Questions (Q26-Q31):

NEW QUESTION # 26
How should the BIG-IP Administrator block connections to a Self IP on port 443 while allowing connections to other ports?

Answer: B

Explanation:
Comprehensive and Detailed Explanation From BIG-IP Administration - Install, Initial Configuration, and Upgrade:
BIG-IP Self IP addresses have an associated Port Lockdown feature that governs which protocols and services are permitted to communicate directly with that Self IP. By default, Self IPs may allow broader access than desired, making Port Lockdown a critical hardening control.
The Allow Custom option under Port Lockdown is the precise mechanism for administrators who need granular, port-specific filtering. When selected, only the explicitly listed TCP/UDP ports are permitted - all others, including port 443 (HTTPS), are implicitly denied. This satisfies the requirement of blocking 443 specifically while preserving access on other required ports.
The remaining options are incorrect for this scenario:
* Option A references SSH access control under System > Platform, which governs management-plane SSH - not Self IP service filtering.
* Option B disables the entire Self IP, removing all traffic handling, which is operationally disruptive.
* Option D - Allow None - blocks all traffic to the Self IP, not selectively port 443.
The Allow Custom approach provides the surgical precision required: administrators enumerate permitted ports, and everything outside that list - including 443 - is dropped.
Reference Topics: Self IP Port Lockdown, Network Security Hardening, Self IP Configuration - BIG-IP Administration Study Guide.


NEW QUESTION # 27
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 # 28
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: A

Explanation:
Comprehensive and Detailed Explanation From BIG-IP Administration - Install, Initial Configuration, and Upgrade:
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.
Option A is incorrect - generating and uploading a QkView to F5 iHealth is a diagnostic activity that requires no license validation or Service Check Date verification whatsoever.
Option C is incorrect - ASM signature and threat campaign updates are content updates, not platform software upgrades. These updates are independent of the Service Check Date requirement and do not trigger license validation checks during installation.
Only a platform software upgrade to a newly released BIG-IP version directly invokes the Service Check Date validation, mandating license renewal prior to the upgrade proceeding successfully.
Reference Topics: License Service Check Date, Software Upgrade Prerequisites, License Reactivation - BIG- IP Administration Study Guide.


NEW QUESTION # 29
The BIG-IP Administrator uses Secure Copy Protocol (SCP) to upload a TMOS image to the/shared/images/ directory in preparation for a TMOS upgrade.
After the upload is completed, what will the system dobeforethe image is shown in the GUI under:
System » Software Management » Image List?

Answer: B

Explanation:
When a TMOS image (.iso file) is uploaded into the/shared/images/directory, the BIG-IP performs an internal validation step before the ISO appears in the GUI.
1. The system verifies the internal checksum
* BIG-IP automatically reads the embedded checksum inside the ISO file
* Verifies integrity of the uploaded image
* Confirms the file is not corrupted or incomplete
* Ensures the image is a valid F5 TMOS software image
Only after this checksum verification succeeds does the image appear under:
System # Software Management # Image List
Why the other options are incorrect:
A). The system performs a reboot into a new partition
* Uploading an ISO file never triggers a reboot.
C). The system copies the image to /var/local/images/
* All valid TMOS images remain in/shared/images/.
* No copying occurs.


NEW QUESTION # 30
The BIG-IP Administrator needs to update access to the Configuration Utility to include the
172.28.31.0/24 and 172.28.65.0/24 networks. From the TMOS Shell (tmsh), which command should the BIG-IP Administrator use to complete this task?

Answer: C

Explanation:
Access to the BIG-IP Configuration Utility (TMUI) is controlled through the /sys httpd allow list.
This list defines which IP addresses or subnets are allowed to connect to the management web interface.
To allow two new subnets--172.28.31.0/24 and 172.28.65.0/24--the administrator must add both subnets to the existing list without removing current entries.
In tmsh, subnet entries must be specified in network/netmask format, for example:
172.28.31.0/255.255.255.0
The correct tmsh command to append these networks is:
modify /sys httpd allow add { 172.28.31.0/255.255.255.0 172.28.65.0/255.255.255.0 }


NEW QUESTION # 31
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