How should a server report errors to its clients?

How can a client predict that a server request will fail?

Explain how Java Enterprise Edition deploys native authentication and authorization services when a web client requests access to protected resources on a web server. Use APA format correctly.

Network Security: A process can be in one of three states: running,ready, and blocked. A job is a kind of processand can be in one of three states: foreground, background, and paused. What’s the similarity between the three process states and the three job states? Hint: It’s not a one-to-one mapping.