You want to enable nonstop active routing (NSR).
Which two commands must you use? (Choose two.)

Which protocol provides redundancy in a LAN environment through the use of master and backup
routers?

Which two statements describe the behavior of Dynamic ARP Inspection? (Choose two.)

What are two characteristics of an OSPF link-state update? (Choose two.)

Which two common scenarios will prevent an IS-IS adjacency from forming? (Choose two.)

Several routers share a common LAN segment in area 224 and have formed adjacencies using
IS-IS. One router is elected as the designated intermediate system (DIS).
To which multicast address will the peers send their hello packets?

You want to configure a static route to become available when the primary route fails.
Which parameter accomplishes this in the Junos OS?

You are running several EX4200 switches in a Virtual Chassis configuration. You want to
determine which switch will become the master of the Virtual Chassis after the switches are
rebooted.
Which three criteria play a role in determining this? (Choose three.)

When is MAC limiting performed on a frame from an unknown source MAC address?

You have just configured a static route for management traffic, however you would like to prevent
the route from being redistributed into a dynamic routing protocol.
Which command should be added to accomplish this?