The pictorial is an oblique cavalier. You can tell it is an oblique because the view is "straight on" with the vertical and horizontal line. And you can tell its a cavalier because depth does not appear distorted.
Jetbrains, eclipse? there are many companies that provide IDEs out there
Its TRUE firewalls filters traffic
Firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.Firewall typically establishes a barrier between a trusted internal network and untrusted external network such as the internet.
I’m confused... whats the question?