What are three characteristics of Layer 2 switches? (Choose Three)

Which step is required when performing a Junos software upgrade?

Which statement is true about PFEs?

You are in configuration mode at the top of the hierarchy. You need to abort the changes that you have made and start again with a fresh copy of the active configuration. Which command should you use to accomplish this task?

What are two protocols that the Junos OS uses to archive configuration files remotely? (Choose two.)