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This lesson provides a foundational understanding of the YouTube advertising ecosystem within the broader Google Ads platform. It will cover the primary YouTube ad formats (Skippable in-stream, Non-skippable in-stream, Bumper, Video discovery) and their strategic applications. We will explore the core concept of 'avatar-based' targeting on YouTube and how it differs from 'intent-based' search targeting, providing a strategic lens relevant to a data-focused professional. The session will conclude with an overview of the Google Ads auction system, highlighting how data signals and AI determine ad placement and cost.
This lesson introduces the fundamentals of Linux kernel security through direct interaction with kernel parameters. We will start by exploring the /proc pseudo-filesystem, understanding its structure and how it serves as a runtime interface to the kernel. Then, we will focus on the 'sysctl' utility to view and modify key security-related network parameters, such as those for disabling ICMP ping responses, enabling TCP SYN cookie protection against DoS attacks, and preventing IP spoofing with rp_filter. The session will include a practical exercise where you apply these settings, check their status, and make them permanent by creating a configuration file in /etc/sysctl.d/, mirroring a real-world hardening task.
This lesson will cover the fundamentals of the Domain Name System (DNS), including key record types like A, AAAA, CNAME, and the special Route 53 Alias record. We will then explore Amazon Route 53's core functions, focusing on Public Hosted Zones for DNS management. The main part of the lesson will be a deep dive into the various routing policies available in Route 53: Simple, Weighted (for load balancing/testing), Latency-based (for performance), Failover (for disaster recovery), and Geolocation (for content localization). Each policy will be explained with a practical use case relevant to a solutions architect.
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