Which publication from the United States National Institute of Standards and Technology pertains to defining cloud concepts and definitions for the various core components of cloud computing? 

Answer options:

A. SP 800-153
B. SP 800-145
C. SP 800-53
D. SP 800-40

B

NIST Special Publications 800-145 is titled "The NIST Definition of Cloud Computing" and contains definitions and explanations of core cloud concepts and components.