Describe the four stages of the information life cycle. What is the difference between backup and archival? What is data remanence?

Describe the four stages of the information life cycle. What is the difference between backup and archival?
What is data remanence? Describe the four different approaches to eliminating data remanence: overwriting, degaussing, encryption, and physical destruction.
Describe the media management tasks required to safeguard information within the media life cycle.
Describe what data leak prevention (DLP) is and compare the benefits and drawbacks of network DLP, endpoint DLP, and hybrid DLP.
Describe the difference between the Biba Integrity Model and the Clark-Wilson Integrity Model. Give an overview of the Bell LaPadula Confidentiality.
In your own words, describe the concept of ring protection. What is the difference between Layering and data hiding?
Describe the different components addressed within the Common Criteria used for evaluation of the security elements within a system. What is the difference between certification and accreditation of a system?.
Define cloud computing and describe the differences between Software as as Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS). Define parallel computing and describe bit-level parallelism, instruction-level parallelism, task-level parallelism, and data parallelism.