Answer:
C. Bell and LaPadula
Explanation:
The first mathematical models of multilevel security computer system was developed by Bell and Lapadula. Their full names are David Elliot Bell and Leonard J. Lapadula. Their model used to define the concept of modes of access,secure state machine and outlined the rules of access.
Answer:
The answer is (a).Presentation Layer
Explanation:
This layer is located at the 6th level of the OSI model, responsible for delivering and formatting the information to the upper layer for further processing. This service is needed because different types of computer uses different data representation. The presentation layer handles issues related to data presentation and transport, including encryption,translation and compression.
Answer:
Programming is everywhere in the modern world and meets you in the street, your workplace, and the local grocery store. You interact with bar-code scanners regularly, and you almost certainly use lots of code while working, whether you're using a word processor to write a letter or an email platform to send messages. Programs used in real-world environments should also be programmed in the real world, so we have developed a new programming paradigm, “Real-World Programming (RWP),” which enables users to make programs for handling real-world environments as well as data in computers
