Different operating system structures offer both benefits and drawbacks over one another, and it's important to understand what kind of structure should be used for different use-cases. Consider the following situation. You are designing an operating system for an interstellar probe that is meant to run for hundreds of years. The probe should also support monitoring many specific instruments. What structure (simple, layered, microkernel, or modular) should you choose for its kernel

answer

option a)the former is primarily for third party access to data

.is the correct answer.

key escrow can be characterized as course of action in which the keys expected to break   data are held bonded for some   circumstances and an approved outsider may access those keys.  

while recuperation specialists are the individuals who us in recuperation   of cash or different things.

they really not common the os x is just a better version of the os like in iphone theirs xr and their xs