Which Panorama objects restrict administrative access to specific device-groups?

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?

An administrator needs to upgrade a Palo Alto Networks NGFW to the most current version of PAN-OS software. The firewall has internet connectivity through an Ethernet interface, but no internet connectivity from the management interface. The Security policy has the default security rules and a rule that allows all web-browsing traffic from any to any zone. What must the administrator configure so that the PAN-OS software can be upgraded?

Which GlobalProtect component must be configured to enable Chentless VPN?

An administrator needs to upgrade an NGFW to the most current version of PAN-OS software. The following is occurring:
*Firewall has Internet connectivity through e1/1.
*Default security rules and security rules allowing all SSL and web-browsing traffic to and from any zone.
*Service route is configured, sourcing update traffic from e1/1.
*A communication error appears in the System logs when updates are performed.
*Download does not complete.
What must be configured to enable the firewall to download the current version of PAN-OS software?