Answer a smart system is a distracter.
A data warehouse, is a repository of information from heterogeneous
databases that is available to users for making queries.
A neural network is a self-learning system that bases its
operation on the model of the functioning of biological neurons.

Record destruction requirements are included in a data retention policy to ensure that organizations comply with legal and business requirements. Proper disposal of records helps in protecting sensitive information from unauthorized access and also ensures compliance with laws regulating the storage and disposal of data.

The questions specifically said: "within a different function" which eliminate Job
Rotation as a choice.
Management monitoring of audit logs is a detective control and it would not prevent collusion.
Changing passwords regularly would not prevent such attack.
This question validates if you understand the concept of separation of duties and least privilege.
By having operators that have only the minimum access level they need and only what they need
to do their duties within a company, the operations personnel would be force to use collusion to
defeat those security mechanism.
Source: TIPTON, Hal, (ISC)2, Introduction to the CISSP Exam presentation.

Explanation/Reference:
Explanation:
The TLS protocol is composed of two layers: the TLS Record Protocol and the TLS Handshake Protocol.
Incorrect Answers:
A: TLS Internet Protocol is not part of the Transport Layer Security (TLS) protocol.
B: TLS Data Protocol is not part of the Transport Layer Security (TLS) protocol.
C: TLS Link Protocol is not part of the Transport Layer Security (TLS) protocol.
References:
https://en.wikipedia.org/wiki/Transport_Layer_Security