Introduction
CCNA security, automation, and programmability certification
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What you should know
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1. Security
Key security concepts
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Security program elements
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Password policy elements
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VPNs
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Standard access control lists (ACLs)
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ACL wildcard masks
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Extended ACLs
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Named ACLs
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Port security
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DHCP snooping
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Dynamic ARP Inspection (DAI)
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2. Automation
Networking planes
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Software-defined networking (SDN)
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Automation's impact
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Software-Defined Access (SDA) underlay
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SDA overlay
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DNS Center and SDA
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REST APIs
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Interpreting JSON
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Puppet, Chef, and Ansible
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