Yes, as stated below, either way a wired network is mandatory to support the wireless access points. As far as which is better, it depends on what types of traffic the clients are generating. Wireless is more convenient for sure, but it is half duplex and your back to the…

Yes, I bought two Juniper SRX4100's and the GUI are completed useless. I would go back to Cisco ASDM in a heartbeat. Also, the Cisco TAC is exponentially better then Juniper's JTAC.

I would not manage our network without a firewall. There are to many threats from around the world, the firewall is the most important line of defense. Also, we use our firewall to do NAT.