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[General] Valid F5CAB1 Exam Testking, F5CAB1 Reliable Exam Guide

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【General】 Valid F5CAB1 Exam Testking, F5CAB1 Reliable Exam Guide

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F5 F5CAB1 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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 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 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 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.

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F5 BIG-IP Administration Install, Initial Configuration, and Upgrade Sample Questions (Q17-Q22):NEW QUESTION # 17
A BIG-IP Administrator discovers malicious brute-force attempts to access the BIG-IP device on the management interfacevia SSH.
The administrator needs to restrict SSH access to the management interface.
Where should this be accomplished?
  • A. Network > Interfaces
  • B. System > Platform
  • C. Network > Self IPs
  • D. System > Configuration
Answer: D
Explanation:
The BIG-IPmanagement interface (MGMT port)is controlled throughSystem settings, not through the Network menu.
SSH access on the management interface is configured here:
System # Configuration # Device # General # SSH Access / SSH IP Allow
This section allows the administrator to:
* Enable or disable SSH service
* Restrict SSH access to specific IP addresses or subnets
* Apply security policies to the management interface
Why the other options are incorrect:
A). Network > Interfaces
* Used for data-plane physical interface settings, not management plane SSH restrictions.
B). Network > Self IPs
* Controls in-band management or data-plane access, not the dedicated management port.
D). System > Platform
* Used for hostname, time zone, LCD contrast, hardware settings - not SSH security on the management port.
Therefore, restricting SSH access to themanagement interfacemust be done under:
#System # Configuration # Device # General
Which corresponds toOption C.

NEW QUESTION # 18
The BIG-IP Administrator wants to manage the newly built F5 system through anin-band Self-IP.
The administrator has configured a VLAN and Self-IP and can ping the IP from their workstation, but cannot access the system viaSSHorHTTPS.
Whatport lockdownsettings should the BIG-IP Administrator use to allow management access on the Self-IP?
(Choose two.)
  • A. The Self-IP port lockdown behavior could be adjusted toAllow All
  • B. The Self-IP port lockdown behavior could be adjusted toAllow Default
  • C. The Self-IP port lockdown behavior could be adjusted toAllow Management
  • D. The Self-IP port lockdown behavior could be adjusted toAllow Mgmt
Answer: C,D
Explanation:
Self-IPs include a security feature calledPort Lockdown, which restricts which services respond on that Self- IP.
By default, Self-IPs block management access (SSH and HTTPS/TMUI), meaning an administrator cannot manage the device through in-band Self-IPs unless explicitly allowed.
Allow Mgmt / Allow Management
These settings enable only the management services required for administrative access, specifically:
* SSH (22)
* HTTPS/TMUI (443)
These options allow secure administration without opening unnecessary ports.
Why these are correct:
* They provide only the essential access for management.
* They follow F5 security best practices when using in-band admin access.
* They donotexpose all services, reducing the attack surface.
Why the other options are incorrect:
A). Allow Default
* This allows only a minimal set of system-required ports (e.g., failover, config sync), not SSH or HTTPS.
* Administrator access would still fail.
B). Allow All
* Opens all ports on the Self-IP, which isnot secure.
* Exposes services that should remain restricted.
Therefore,Allow Mgmt / Allow Managementare the correct choices.

NEW QUESTION # 19
Refer to the exhibit.

An organization has purchased a BIG-IP license that includes all available modules but has chosen to provision only the modules they require.
The exhibit displays the current resource allocation from theSystem # Resource Provisioningpage.
Based on the information provided, which F5 modules have been provisioned?
  • A. DNS, APM
  • B. LTM, DNS, APM
  • C. TMM, DNS, APS
  • D. LTM, APM
Answer: B
Explanation:
The exhibit shows theCurrent Resource Allocationfor:
* CPU
* Disk
* Memory
In particular, theMemory Allocationbar displays the modules that are currently provisioned.
Memory is the most reliable indicator because BIG-IP allocates memoryonlyto modules that are actively provisioned.
From the exhibit:
* MGMT(Management) - always present
* TMM(Traffic Management Microkernel) - indicatesLTM is provisioned
* GTM- this label indicates that theDNS moduleis provisioned (GTM = Global Traffic Manager, now called DNS)
* APM- explicitly shown, indicatingAccess Policy Manageris provisioned
Therefore, the provisioned modules are:
* LTM(implied by TMM allocation)
* DNS/GTM
* APM
This matchesOption C: LTM, DNS, APM.

NEW QUESTION # 20
What are the two options for securing a BIG-IP's management interface?
(Choose two.)
  • A. Limiting network access through the management interface to a trusted/secured network VLAN.
  • B. Restrict administrative HTTPS and SSH access to specific IP addresses or IP ranges.
  • C. Block all management-interface administrative HTTPS and SSH service ports to prevent access.
  • D. Use the BIG-IP's Self-IP addresses for administrative access rather than the management interface.
Answer: A,B
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 adedicated, 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 allowlist (for HTTPS) and configuration options insshd(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.
Why the other options are incorrect
B). Blocking all management HTTPS/SSH ports
* This would prevent any administrative access and is not a viable security practice.
C). Using Self-IP addresses for administrative access
* F5 explicitly warns against using Self-IPs for management access unless strictly necessary.
* Self-IPs are exposed to the data plane and should not be used as the primary administrative interface.

NEW QUESTION # 21
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 theSystem menu?
  • A. Configuration - OVSDB
  • B. Configuration - Device
  • C. Resource Provisioning
  • D. Software Management
Answer: C

NEW QUESTION # 22
......
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