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Palo Alto Networks Certified Network Security Engineer Questions 166–170 (page: 35)

Updated On: 10-Feb-2026

A bootstrap USB flash drive has been prepared using a Windows workstation to load the initial configuration of a Palo Alto Networks firewall that was previously being used in a lab. The USB flash drive was formatted using file system FAT32 and the initial configuration is stored in a file named init-cfg.txt. The firewall is currently running PAN-OS 10.0 and using a lab config. 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 restarted using command: > request restart system

Upon restart, the firewall fails to begin the bootstrapping process. The failure is caused because:

  1. The bootstrap.xml file is a required file, but it is missing
  2. Firewall must be in factory default state or have all private data deleted for bootstrapping
  3. The hostname is a required parameter, but it is missing in init-cfg.txt
  4. PAN-CS version must be 9.1.x at a minimum, but the firewall is running 10.0.x
  5. The USB must be formatted using the ext3 file system. FAT32 is not supported

Answer(s): B



An Administrator is configuring Authentication Enforcement and they would like to create an exemption rule to exempt a specific group from authentication. Which authentication enforcement object should they select?

  1. default-no-captive-portal
  2. default-authentication-bypass
  3. default-browser-challenge
  4. default-web-form

Answer(s): A


Reference:

https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-web-interface-help/objects/objects-authentication



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:

  1. the bootstrap.xml file is a required file, but it is missing
  2. nit-cfg.txt is an incorrect filename, the correct filename should be init-cfg.xml
  3. The USB must be formatted using the ext4 file system
  4. There must be commas between the parameter names and their values instead of the equal symbols
  5. The USB drive has been formatted with an unsupported file system

Answer(s): E



To more easily reuse templates and template stacks, you can create template variables in place of firewall- specific and appliance-specific IP literals in your configurations.

Which one is the correct configuration?

  1. &Panorama
  2. @Panorama
  3. $Panorama
  4. #Panorama

Answer(s): C


Reference:

https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-new-features/panorama-features/configuration-reusability-for-templates-and-template-stacks.html



On the NGFW, how can you generate and block a private key from export and thus harden your security posture and prevent rogue administrators or other bad actors from misusing keys?

  1. 1. Select Device > Certificate Management > Certificates > Device > Certificates
    2. Import the certificate
    3. Select Import Private key
    4. Click Generate to generate the new certificate
  2. 1. Select Device > Certificates
    2. Select Certificate Profile
    3. Generate the certificate
    4. Select Block Private Key Export
  3. 1. Select Device > Certificate Management > Certificates > Device > Certificates
    2. Generate the certificate
    3. Select Block Private Key Export
    4. Click Generate to generate the new certificate
  4. 1. Select Device > Certificates
    2. Select Certificate Profile
    3. Generate the certificate
    4. Select Block Private Key Export

Answer(s): C


Reference:

https://docs.paloaltonetworks.com/pan-os/10-0/pan-os-new-features/decryption-features/block-export-of-private-keys.html



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