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| Section | Weight | Objectives |
|---|---|---|
| Backup, Restore, and Upgrade | 26% | - Backup and restore BIG-IP configuration (UCS, SCF) - Perform UCS and SCF backup and restore operations - Downgrade BIG-IP system - Verify upgrade and downgrade - Upgrade BIG-IP system (TMOS,Hotfix) |
| Traffic Management | 26% | - Create VLANs and self IPs - Create trunk and LACP - Configure load balancing pool and virtual server - Configure route domain - Configure persistence profiles - Create SNAT and DNAT objects - Create health monitors |
| Security and User Management | 20% | - Configure SSL certificates - Configure SSH and console access - Configure IP firewall and policy - Configure user accounts and roles (admin, resource, partition) - Configure AFM (Advanced Firewall Module) |
| Initial Setup and Configuration | 28% | - Configure network failover - Install BIG-IP system - Restore BIG-IP configuration - Perform base system configuration - Initialize and provision BIG-IP modules - Configure high-speed logging (HSL) - Configure management interface and port lockdown |
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NEW QUESTION # 11
How should the BIG-IP Administrator block connections to a Self IP on port 443 while allowing connections to other ports?
Answer: A
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 # 12
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 as Port 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 port 4353 is used by Device 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 is exempt from Port Lockdown rules.
NEW QUESTION # 13
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: C
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 # 14
Which of the following are resource allocation (provisioning) settings for BIG-IP modules?
(Choose two.)
Answer: A,C
Explanation:
When provisioning system resources (CPU and memory) for different modules on an F5 BIG-IP system, TMOS uses specific provisioning levels to determine how resources are allocated.
Dedicated: Allocates all available system resources to a single module. No other modules can be enabled or provisioned when a module is set to Dedicated.
Nominal: Guarantees a minimum amount of resources to the module. If there are unallocated resources remaining on the system, a module set to Nominal can dynamically scale up and consume more resources as needed.
Minimum: Guarantees a strict, minimum amount of resources to the module, but does not allow it to share or consume any extra unallocated resources.
None: Disables the module completely, freeing up all of its resources for other modules.
NEW QUESTION # 15
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: A
Explanation:
To understand:
Which modules are licensed
Which modules are provisioned
The resource requirements (CPU / RAM) of each module
The administrator uses:
System ยป 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.
NEW QUESTION # 16
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