Securing Communications, Part 2 Part two of this Study Guide focuses on securing communications (not necessarily encrypted communications). Technologies for securing communications are discussed for various OSI layers, with emphasis on layers 2 and 3, but the main focus is on understanding what traffic needs what level of protection thus preparing the network engineer with the means to efficiently and effectively deploy a system. Become a ZONE Subscriber and gain access to all Study Guides Author: Annlee Hines Technical Level: CCIE™ and CCIE Security & CSS1™ Date of Issue: 09-01-2023 Rating:     (Not Yet Rated)  Table of Contents  Tutorial  3 Sample Study Questions  30 Study Questions  Lab abstract  Lab Scenario Return to Study Guides