Explain the role and function of network components

• Routers

• L2 and L3 switches

• Next-generation firewalls and IPS

• Access points

• Controllers (Cisco DNA Center and WLC)

• Endpoints

• Servers

Describe characteristics of network topology architectures

• 2-tier architecture

• 3-tier architecture

• Spine-leaf

• WAN

• Small office/home office (SOHO)

• On-premises and cloud

Compare physical interface and cabling types

• Single-mode fibre, multimode fibre, copper

• Connections (Ethernet shared media and point-to-point)

• Concepts of PoE

Identify interface and cable issues (collisions, errors, mismatch duplex, and/or speed)

Compare TCP to UDP

Configure and verify IPv4 addressing and subnetting

Describe the need for private IPv4 addressing

Configure and verify IPv6 addressing and prefix

Compare IPv6 address types

• Global unicast

• Unique local

• Link local

• Anycast

• Multicast

• Modified EUI 64

Verify IP parameters for Client OS (Windows, Mac OS, Linux)

Describe wireless principles

• Nonoverlapping Wi-Fi channels

• SSID

• RF

• Encryption

Explain virtualization fundamentals (virtual machines)

Describe switching concepts

• MAC learning and aging

• Frame switching

• Frame flooding

• MAC address table

Configure and verify VLANs (normal range) spanning multiple switches

• Access ports (data and voice)

• Default VLAN

• Connectivity

Configure and verify Interswitch connectivity

• Trunk ports

• 802.1Q

• Native VLAN

Configure and verify Layer 2 discovery protocols (Cisco Discovery Protocol and LLDP)

Configure and verify (Layer 2/Layer 3) EtherChannel (LACP)

Describe the need for and basic operations of Rapid PVST+ Spanning Tree Protocol and identify basic operations

• Root port, root bridge (primary/secondary), and other port names

• Port states (forwarding/blocking)

• PortFast benefits

Compare Cisco Wireless Architectures and AP modes

Describe physical infrastructure connections of WLAN components (AP, WLC, access/trunk ports, and LAG)

Describe AP and WLC management access connections (Telnet, SSH, HTTP, HTTPS, console, and TACACS+/RADIUS)

Configure the components of a wireless LAN access for client connectivity using GUI only such as WLAN creation, security settings, QoS profiles, and advanced WLAN settings

Interpret the components of routing table

• Routing protocol code

• Prefix

• Network mask

• Next hop

• Administrative distance

• Metric

• Gateway of last resort

Determine how a router makes a forwarding decision by default

• Longest match

• Administrative distance

• Routing protocol metric

Configure and verify IPv4 and IPv6 static routing

• Default route

• Network route

• 33Host route

• Floating static

Configure and verify single area OSPFv2

• Neighbour adjacencies

• Point-to-point

• Broadcast (DR/BDR selection)

• Router ID

Describe the purpose of first hop redundancy protocol

IP Services

• Configure and verify inside source NAT using static and pools

• Configure and verify NTP operating in a client and server mode

• Explain the role of DHCP and DNS within the network

• Explain the function of SNMP in network operations

• Describe the use of syslog features including facilities and levels

• Configure and verify DHCP client and relay

• Explain the forwarding per-hop behavior (PHB) for QoS such as classification, marking, queuing, congestion, policing, shaping

• Configure network devices for remote access using SSH

• Describe the capabilities and function of TFTP/FTP in the network