Consider the concept of an IT stack, show below:Web Web form, ApacheMiddleware WebsphereDB SQL Customer Support, TrainingColumn 1 shows the various layers of a stack, and column two shows an example of an object within that layers. So, the "Web" layer might be in the form of an Apache application running HTML. The bottom layer can be any concept, related to the ‘extended product,’ such as customer service and support.1. Your task is to take each layer and explain briefly ethical considerations and potential dangers of each layer. For example, a Web Form may autocomplete, and reveal too much personal information. For the database layer, you may write about access issues. Maximum a couple sentences per layer.

The idea that, for each pair of devices v and w, there’s a strict dichotomy between being “in range” or “out of range” is a simplified abstraction. more accurately, there’s a power decay function f (·) that specifies, for a pair of devices at distance δ, the signal strength f(δ) that they’ll be able to achieve on their wireless connection. (we’ll assume that f (δ) decreases with increasing δ.) we might want to build this into our notion of back-up sets as follows: among the k devices in the back-up set of v, there should be at least one that can be reached with very high signal strength, at least one other that can be reached with moderately high signal strength, and so forth. more concretely, we have values p1 ≥ p2 ≥ . . ≥ pk, so that if the back-up set for v consists of devices at distances d1≤d2≤≤dk,thenweshouldhavef(dj)≥pj foreachj. give an algorithm that determines whether it is possible to choose a back-up set for each device subject to this more detailed condition, still requiring that no device should appear in the back-up set of more than b other devices. again, the algorithm should output the back-up sets themselves, provided they can be found.\