9L0-415 Web TestEngine demo

You can identify all the MAC addresses for the Mac computer's network interfaces from the Info pane of Network Utility.

The firmware initializes the Mac computer's hardware and locates the booter file on a system volume.
The Power-On
Self-Test (POST) checks for basic hardware functionality when the Mac powers on.

The network service order list is used to determine the primary network service interface if there is more than one active service. All network traffic that isn't better handled via local connection to an active network service interface is sent to the primary network service interface. So in most cases all WAN traffic, Internet traffic, and DNS resolution is sent through the primary network service interface.

Time Machine can back up to any Mac OS Extended volume or network shares hosted from Time Capsule or OS X Server.