Which two statements about BFD are correct? (Choose two)

You are creating a WAN solution design for an enterprise customer. The customer will be connecting three sites in different locations. The customer wants all of the sites to be part of the same Layer 2 network.
In this scenario, what are two valid connection methods you would provide in your design? (Choose two.)

Your customer connects to their service providers using fiber-based Ethernet connections in a shared collocation room. The customer has expressed concerns about wire tapping and man-in-the-middle attacks, and has asked for your design recommendation to minimize such attacks.
Which service addresses the customer's concern?

What are two network management benefits of using devices in your design proposals?

You are designing a new deployment of Paragon Pathfinder (formerly known as NorthStar). You are asked to ensure that LSPs can be created only from Paragon Pathfinder itself.
What will accomplish this task?