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PCNSE · Question #321

A bootstrap USB flash drive has been prepared using a Linux workstation to load the initial configuration of a Palo Alto Networks firewall. The USB flash drive was formatted using file system NTFS…

The correct answer is E. The USB drive has been formatted with an unsupported file system. The USB flash drive that bootstraps a hardware-based Palo Alto Networks firewall must support one of the following: File Allocation Table 32 (FAT32) Third Extended File System (ext3) The firewall can bootstrap from the following flash drives with USB2.0 or USB3.0 connectivity…

Submitted by haruto_sh· Apr 18, 2026Deploy and Configure

Question

A bootstrap USB flash drive has been prepared using a Linux workstation to load the initial configuration of a Palo Alto Networks firewall. The USB flash drive was formatted using file system NTFS and the initial configuration is stored in a file named init-cfg.txt. The contents of init- cfg.txt in the USB flash drive are as follows:

The USB flash drive has been inserted in the firewalls USB port, and the firewall has been powered on. Upon boot, the firewall fails to begin the bootstrapping process. The failure is caused because:

Exhibit

PCNSE question #321 exhibit

Options

  • Athe bootstrap.xml file is a required file, but it is missing
  • Binit-cfg.txt is an incorrect filename, the correct filename should be init-cfg.xml
  • CThe USB must be formatted using the ext4 file system
  • DThere must be commas between the parameter names and their values instead of the equal
  • EThe USB drive has been formatted with an unsupported file system

How the community answered

(42 responses)
  • A
    5% (2)
  • B
    2% (1)
  • E
    93% (39)

Explanation

The USB flash drive that bootstraps a hardware-based Palo Alto Networks firewall must support one of the following: File Allocation Table 32 (FAT32) Third Extended File System (ext3) The firewall can bootstrap from the following flash drives with USB2.0 or USB3.0 connectivity: https://docs.paloaltonetworks.com/pan-os/10-0/pan-os-admin/firewall-administration/bootstrap- the-firewall/usb-flash-drive-support.html#id3cfc3106-f7ab-4eee-82b7-1ca62ec5e997

Topics

#Bootstrapping#USB Configuration#File System Requirements

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