Shared by:macus by Wendell Odom (Author) The official self-study test preparation guide for the Cisco CCNA INTRO exam 640-821 This best-selling study guide helps you master all the topics on the new CCNA INTRO exam, including: TCP/IP and OSI networking models Operating Cisco routers and LAN switches LAN switching basics, VLANs, and Trunking IP addressing and subnetting Basic router configuration and operation Discovering information [...]
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