Support for which authentication method was added in PAN-OS 8.0?

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An administrator has noticed a large increase in bittorrent activity. The administrator wants to determine where the traffic is going on the company.
What would be the administrator's next step?

What are two benefits of nested device groups in Panorama? (Choose two.)

A customer wants to set up a site-to-site VPN using tunnel interfaces?
Which two formats are correct for naming tunnel interfaces? (Choose two.)

A customer wants to combine multiple Ethernet interfaces into a single virtual interface using link aggregation.
Which two formats are correct for naming aggregate interfaces? (Choose two.)