Dive into the first part of a comprehensive video tutorial on setting up Virtual Local Area Networks (VLANs). Explore the differences between managed and unmanaged switches, understanding why default configurations of managed switches may not provide optimal security. Learn how to leverage managed switches to separate devices into distinct VLANs, enhancing network security through isolation and least privilege principles. Gain insights into IP addressing for VLANs and the necessary switch configurations. Hardware recommendations and affiliate links are provided, along with a detailed breakdown of topics covered in this 29-minute instructional video.