A packet enters a Junos device. No matching destination entry exists in the forwarding table. How will the device respond?

When you first log in to a router, how does the router indicate that factory defaults are being used? Junos Configuration Basics

Which two statements describe a routing policy?

You are connected to your Junos device using an SSH connection to the fxp0 interface. No other interfaces are currently configured beyond their default settings. You commit a configuration that makes the fxp0 interface unreachable from your management network.
In this scenario, how would you re-establish communication with the device?

In your configuration, an interface contains multiple IP addresses belonging to the same subnet. You want to identify the IP address to use for packets sent to hosts on the same subnet. Which parameter would you use to accomplish this task?