Type of providers uses various virtualization technologies

What type of providers uses various virtualization technologies to optimize the utilization of their physical IT infrastructure and to ensure an automated scale-out capability based on the performance and resource needs of the customers? Select one: a.Service provider b.AWS provider c.Cloud Service d.Both A and C A log entry should contain at least the following information (if relevant): Select one: a.A timestamp with date and current time b.Type of event c.Category of event d.All of the above In today's cloud computing, a third-party cloud management broker (CMB) plays an important intermediary role between cloud computing providers and cloud users. Select one: a.Third computing audit b.Third-party integrity auditing c.Public verifiability d.Both B and C Hardware/software failures and operational errors of system administrator Select one: a.External adversaries b.Internal adversaries c.Byzantine failures d.Authorized users What is the name of the map is defined as e: G x G G1, where G and G1 are two multiplicative cyclic groups of the same prime order p? Select one: a.Binary map b.Machine learning map c.Nonlinear map d.Bilinear map