Alula is exploring the implementation of a ZTA framework at his organization. Which of the following best represents considerations he is most likely to keep in the forefront? Select two.
a. Ensure systems are in place such that no external entity is trusted, not even remote workers.
b. Ensure subjects and systems are only able to access resources within their zone.
c. Ensure the PEP is configured to properly provide input into the PDP.
d. Focus on authentication and authorization.
e. Do not implicitly trust internal entities.