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| Section | Weight | Objectives |
|---|---|---|
| System Upgrade and Maintenance | 20% | - Upgrade procedures
|
| Software Image Management | 20% | - Installation and upgrade preparation
|
| Licensing | 20% | - License activation
|
| Securing BIG-IP | 20% | - Administrative access controls
|
| Management Connectivity and Configuration | 20% | - Initial system setup
|
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NEW QUESTION # 58
The device is currently on v15.1.2.1.
The BIG-IP Administrator needs to boot the device back to v13.1.0.6 to gather data for troubleshooting.
The system shows:
Sys::Software Status
Volume Product Version Build Active Status Allowed
HD1.1 BIG-IP 15.1.2.1 0.0.10 yes complete yes
HD1.2 BIG-IP 13.1.0.6 0.0.3 no complete yes
Which is the correct command-line sequence to boot the device to version 13.1.0.6?
Answer: B
Explanation:
To change the boot volume on a BIG-IP system from one installed TMOS version to another, the correct CLI tool is:
switchboot
The correct syntax uses the -b flag:
switchboot -b <volume>
This command marks the specified boot location as the one to be used on the next reboot.
Thus, to boot into HD1.2 which contains 13.1.0.6, the sequence is:
Mark HD1.2 as the next boot location:
switchboot -b HD1.2
Reboot the system:
reboot
This is the standard and officially supported method for selecting a different installed volume.
NEW QUESTION # 59
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?
Answer: B
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 # 60
A secondary administrator has been granted access to a BIG-IP device through its Management Interface, but is unable to access the Configuration Utility (WebUI). What command can be run from the CLI to capture the network traffic on the management interface and troubleshoot the issue? (Choose two.)
Answer: C,D
Explanation:
The BIG-IP has two distinct planes:
Management-plane -> handled entirely by the management interface (MGMT) Data-plane (TMM) -> handles Self IPs, VLAN interfaces, and traffic processing To capture traffic on the management interface, only the management-side NICs may be used:
mgmt -> Logical name for the management interface
eth0 -> Physical Linux interface mapped to the management port on most BIG-IP platforms Both of these correctly capture inbound/outbound WebUI (HTTPS/443) traffic on the management port.
Why the correct answers are A and B
A). tcpdump -i eth0 -n port 443
On BIG-IP appliances and VMs, the management port maps to eth0 at the Linux OS level.
Capturing on eth0 correctly shows HTTPS traffic to the WebUI.
B). tcpdump -i mgmt -n port 443
mgmt is the BIG-IP alias for the management interface.
This is the preferred and most explicit capture interface for management-plane packet captures.
NEW QUESTION # 61
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 do before the image is shown in the GUI under:
System > Software Management > Image List?
Answer: C
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
NEW QUESTION # 62
The BIG-IP Administrator uses Secure Copy Protocol (SCP) to upload a TMOS image to the/shared/images/ directory in preparation for an upgrade.
After the upload is complete, what will the system dobeforethe image appears in the GUI under:
System Software Management Image List?
Answer: B
Explanation:
When a TMOS ISO file is transferred to/shared/images/, the BIG-IP automatically performs a validation step:
Checksum Verification
* Before the image becomes visible in the GUI, the systemverifies the internal checksumembedded inside the ISO.
* This ensures:
* The file was fully transferred
* The image is not corrupted
* It matches the official F5 release signature
* Only after passing this verification does the GUI display the ISO under "Available Images." Why the other options are incorrect:
A). Reboot into a new partition
* No reboot occurs simply from uploading an image.
C). Copying into /var/local/images/
* This directory isnotused for ISO storage.
* All valid images remain in/shared/images/.
Thus, the correct system action ischecksum verification.
NEW QUESTION # 63
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