00529cam a2200169 7i4500 0000017223 20260227090000.0 9780138166106 005.8/CIS Cisco Networking Academy IT Essentials v8 : companion guide by Cisco Networking Academy. Cisco Press: Indianapolis, c2024. xxxviii, 1094 pages: ill.; 24cm. Includes index Information technology 1000027407 Book Red Spot 1000027408 Book Green Spot