Module 1: Networking Concepts
1.1 Explain concepts related to the Open Systems Interconnection (OSI) reference model
1.2 Compare and contrast networking appliances, applications, and functions.
- Physical and virtual appliances
- Applications
- Functions
1.3 Summarize cloud concepts and connectivity options.
- Virtual private cloud (VPC)
- Network security groups
- Network security lists • Cloud gateways - Internet gateway - Network address translation (NAT) gateway
- Cloud connectivity options - VPN - Direct Connect
- Deployment models - Public - Private - Hybrid
- Service models - Software as a service (SaaS) - Infrastructure as a service (IaaS) - Platform as a service (PaaS)
- Scalability
- Elasticity
- Multitenancy
1.4 Explain common networking ports, protocols, services, and traffic types.
- Protocols
- Ports
- Internet Protocol (IP) types
1.5 Compare and contrast transmission media and transceivers.
- Wireless
- Wired
- Transceivers
- Connector types
1.6 Compare and contrast network topologies, architectures, and types.
- Mesh
- Hybrid
- Star/hub and spoke
- Spine and leaf
- Point to point
- Three-tier hierarchical model
- Collapsed core
- Traffic flows
1.7 Given a scenario, use appropriate IPv4 network addressing.
- Public vs. private
- Subnetting
- IPv4 address classes
1.8 Summarize evolving use cases for modern network environments
- Software-defined network (SDN) and software-defined wide area network (SD-WAN)
- Virtual Extensible Local Area Network (VXLAN)
- Zero trust architecture (ZTA)
- Secure Access Secure Edge (SASE)/Security Service Edge (SSE)
- Infrastructure as code (IaC)
- IPv6 addressing
Module 2: Network Implementation
2.1 Explain characteristics of routing technologies.
- Static routing
- Dynamic routing
- Route selection
- Address translation
- First Hop Redundancy Protocol (FHRP)
- Virtual IP (VIP)
- Subinterfaces
2.2 Given a scenario, configure switching technologies and features.
- Virtual Local Area Network (VLAN)
- Interface configuration
- Spanning tree
- Maximum transmission unit (MTU)
2.3 Given a scenario, select and configure wireless devices and technologies.
- Channels
- Frequency options
- Service set identifier (SSID)
- Network types
- Guest networks
- Authentication
- Antennas
- Autonomous vs. lightweight access point
2.4 Explain important factors of physical installations.
- Important installation implications
- Power
- Environmental factors
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