Which of these routing tables stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?

The marketing team needs access to a server on subnet 172.0.46.0/24. The next-hop router is 10.0.4.2/30. A static route on their gateway has been configured to accomplish the task. You want to keep the static route from being redistributed into dynamic routing protocols.
Which command will satisfy this requirement?

Which of these commands can be used to delete unnecessary files and free up disk space on the Junos device?

After editing the configuration, which command must be entered to activate the configuration changes?

In dotted decimal notation, what is equivalent of 11001100 10111011 00110010 00111110 ?