Cisco Certified Network Associate: ccna

by Dinesh Rajput

CCNA (Cisco Certified Network Associate) is an information technology (IT) certification from Cisco Systems. CCNA certification is an associate-level Cisco Career certification.A router is a device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WANs or a LAN and its ISP's network. Routers are located at gateways, the places where two or more networks connect.Switching, as applied to networking and IT, is the practice of directing a signal or data element toward a particular hardware destination. Switching may be applied in various formats and can function in diverse ways within a greater network infrastructure.

94 pages, Kindle Edition

Published November 4, 2019