Transfers ToCSUDescriptionCISN 341 CISCO Networking Academy (CCNA)tm:Switching, Routing, and Wireless Essentials Units: 3.5 Hours: 54 hours LEC; 27 hours LAB Prerequisite: None. Corequisite: CISN 304 Transferable: CSU C-ID: C-ID ITIS 151 The second course in the CCNA curriculum focuses on switching technologies and router operations that support small to medium business networks and includes wireless local Computer Information Science 247 COSUMNES RIVER COLLEGE 2025-2026 Official Catalog area networks (WLANs) and security concepts. Students learn key switching and routing concepts. Students will perform basic network configuration and troubleshooting, identify and mitigate LAN security threats, and configure and secure a basic WLAN. 