Which of the following describes security stance? an organization's filtering configuration; it answers the question, "what should be allowed and what should be blocked? "a means of providing faster access to static content for external users accessing internal web serversan operating system such as windows or linux that supports a wide variety of purposes and functions, but when used as a bastion host os must be hardened and locked downan approach to security similar to defense in depth that uses a different security mechanism at each or most of the layers