What is the primary purpose of content filtering in a network?

The primary purpose of content filtering in a network is to prevent unauthorized or sensitive content from being transmitted, which includes blocking emails that may contain sensitive information. This ensures that confidential data does not leave the organization accidentally or maliciously, safeguarding against data breaches and compliance violations. By implementing content filtering, organizations can enforce policies related to data security, helping to mitigate risks associated with data loss.

Content filtering plays a crucial role in maintaining the integrity of information within the network. It analyzes and controls the type of content that users can access or send over a network, thus providing an essential layer of security for the organization.

In contrast, while improving network speed and performance, managing network traffic, and increasing user access to the internet are all important aspects of a network's overall functionality, they do not capture the core intent of content filtering. The focus of content filtering specifically aligns with monitoring and controlling the type of data transmitted to preserve security and compliance, thus highlighting the importance of choice B.