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5.2 SNMP Introduction to SNMP SNMPv2 SNMPv3 5.3 NAT Introduction to NAT and PAT NAT Static NAT Dynamic Port Address Translation (PAT) 5.4 Quality of Service (QoS) Introduction to Quality of Service (QoS) IP Precedence and DSCP Values Classification Marking Shaping Policing Unit 6: Security Fundamentals 6.1 Access-Lists Introduction to Access-Lists Wildcard Bits Standard Access-List Extended Access-List Time-based Access-List 6.2 Misc Port-Security AAA and 802.1X AAA User Authentication AAA Admin Authentication DHCP Snooping Introduction to Firewalls Introduction to VPNs Unit 7: Network Management Introduction to CDP Introduction to LLDP Telnet Server and Client SSH Server and Client Introduction to NTP Introduction to Syslog Configuration Register Password Recovery on Cisco IOS Cisco IOS Filesystem Upgrade Cisco IOS Image Unit 8: Automation and Programmability Device Programmability REST API Data Models and Structures Configuration Management Tools and Version Control Systems Introduction to Software Defined Networking (SDN) Spine and Leaf Architecture Unit 9: Cloud Computing Virtual Machines and Containers Introduction to Cloud Computing Cloud Connectivity