In this video, Serena discusses the basics of subnetting in networking, aiming to demystify the topic for beginners and encourage further exploration. They explain the concept of subnet masks, CIDR notation, and how these elements are used to define network and host addresses within a network.
In this video, Serena discusses the fundamentals of networking for beginners, emphasizing the importance of understanding network infrastructure for security professionals. She introduces key concepts such as the OSI model, IP addressing, and the use of tools for reconnaissance, such as DNS and ARP.
In this video, the speaker discusses their journey and insights into the field of computer security, emphasizing the importance of foundational knowledge and hands-on experience. They detail their career progression, from initial roles in technical support to specialized positions in security, highlighting key learning moments and decisions.