[&] In order for an address, assigned to a device, to be considered "routable" which of the following must be true? (Select two answers)
- The address must have embedded within it, a network identifier -- Correct
- All of the bits of the address must be unique from any other address
- The address must change frequently
- The address must be paired with some kind of mask -- Correct
- The address must be allocated to a routing protocol

[&] Which of the following is a "Routable Protocol"? (Select two answers)
- IPv6 -- Correct
- IPv4 -- Correct
- OSPF
- BGP

[&] Which of the following are true about Default Gateways? (Select two answers)
- They know how to route packets between two-or-more networks -- Correct
- They must be running a dynamic Routing Protocol
- They must be connected to at least three networks
- They must have a Layer-3 address in the same network as the hosts that want to use it -- Correct
- They must have at least three Layer-2 addresses