Dimensions of System Dependability, assignment help

"Dimensions of System Dependability" Please respond to the following:Consider the four principal dimensions of dependability. Choose two dimensions, describe them, and explain the relationship between your chosen dimensions. Provide at least two examples to support your explanation.Describe at least two methods for validating and verifying the security nonfunctional requirements of a software system. Provide examples of each method."When to Recommend and Not to Recommend Software Reuse" Please respond to the following:From the e-Activity, we understand that the reuse of software components are designed to optimize software development and reduce development costs. Describe how SPLs promote reuse and how they can be disadvantageous to certain development environments.From the e-Activity, provide at least two unique examples that illustrate how SPLs can be used in an organization of your choice to improve software development efforts.