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| Section | Objectives |
|---|---|
| Topic 1: System Configuration and Management | - Access and administration
|
| Topic 2: BIG-IP Platform Fundamentals | - F5 BIG-IP architecture overview
|
| Topic 3: Basic Traffic and Service Concepts | - Load balancing fundamentals
|
| Topic 4: Initial Installation and Setup | - Initial system configuration
|
| Topic 5: Software Upgrade and Maintenance | - Rollback and recovery
|
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NEW QUESTION # 42
When using the tmsh shell of a BIG-IP system, which command will display the management-ip address?
Answer: C
Explanation:
Within the BIG-IP Traffic Management Shell (tmsh), system configuration objects--including the management IP--are organized under the /sys hierarchy. The management IP address is a configurable property stored in the system configuration and can be viewed using the tmsh list command, which displays configuration objects and their currently assigned values.
Why "list /sys management-ip" is correct
The list command in tmsh is used to display configured system values, not runtime statistics.
The object that holds the management IP settings on BIG-IP systems is located at:
/sys management-ip
Running the command:
list /sys management-ip
will reveal the settings for the management IP interface, including the address, netmask, and any associated attributes.
This is the standard method used during system setup and verification to confirm the management IP configuration.
This behavior aligns with BIG-IP administration procedures, where configuration information is retrieved using list, while operational data is retrieved using show.
NEW QUESTION # 43
A BIG-IP device is licensed forLTM, ASM, APM, and AFM.
Currently, it will only be used forload balancingandweb application firewalling.
To ensure optimal performance and efficient resource utilization, which of the following module provisioning combinations is the best choice?
Answer: D
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 bothLTMandASMatNominallevel 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
SettingAPM: NoneandAFM: Noneensures unused modules consume zero resources.
Why the other options are incorrect
A). Dedicated provisioning for both LTM and ASM
* Two modules cannot both run in "Dedicated" mode.
* Dedicated mode allocatesallresources to a single module - the second module cannot be dedicated simultaneously.
B). LTM and ASM both Dedicated
* Same issue: only one module can be Dedicated at a time.
* Also unnecessary for load balancing + WAF.
D). Setting APM and AFM to Minimal
* Minimal still consumes memory and CPU.
* Unused modules should be set toNone.
Therefore,Option Cis the best provisioning strategy.
NEW QUESTION # 44
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?
Answer: C
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 # 45
In order to configure allowed IP addresses forSSH accessto 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,D
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 the10.0.0.0/24network.
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 # 46
What is a Self-IP in F5 BIG-IP?
Answer: C
Explanation:
A Self-IP is an IP address assigned to the BIG-IP system for communication within its network or with other devices.
NEW QUESTION # 47
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