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• 2.1 Layer 2 Technologies
  2.1.1 STP
  1.STP
  2.RSTP
  3.MSTP
  4.Loop guard
  5.Root guard
  6.BPDU guard
  7.TC-BPDU attack guard
  2.1.2 VLAN and GVRP
  1.Access port
  2.Trunk port
  3.Hybrid port
  4.QinQ
  5.Vlan Aggregation
  6.Mux Vlan
  7.Voice vlan
  8.GARP
  9.GVRP
  2.1.3 Transparent bridge
  1.Local Bridging
  2.Remote Bridging
  3.Integrated Bridging and Routing
  4.VLAN ID Transparent Transmission
  2.1.4 Link Aggregation, Eth-Trunk and IP-Trunk, Load-balance, LACP
  1.Link Aggregation
  2.LACP
  2.1.5 Ethernet technologies
  1.Speed and duplex
  2.Ethernet, Fast Ethernet, and Gigabit Ethernet
  3.Auto MDI/MDIX
  4.Auto negotiation
  5.Storm control
  6.Unicast flooding control
  2.1.6 SEP
  1.SEP
  2.SEP Multi-Instance
  3.SEP Topology Change
  4.SEP Troubleshoot
  2.1.7 HVRP
  2.1.8 RRPP
  2.1.9 Smart link
  2.1.10 DLDP
  2.1.11 Switched Port Analyzer (port-mirroring)
  2.1.12 Frame Relay
  1.LMI
  2.Traffic shaping
  3.Full mesh
  4.Hub and spoke
  5.DE
  2.1.13 HDLC and PPP
  2.1.14 PPPoE and PPPoA
  2.2 IPv4
  2.2.1 IPv4 addressing, subnetting, and VLSM
  2.2.2 IPv4 tunneling and GRE
  2.2.3 IPv4 RIP version 1/2
  2.2.4 IPv4 OSPF
  1.Standard OSPF areas
  2.Stub area
  3.Totally stubby area
  4.NSSA
  5.Totally NSSA
  6.LSA types
  7.Adjacency on a point-to-point and on a multi-access network
  8.Virtual-Link
  9.LSA Filter
  10.OSPF graceful restart
  11.Stub Router
  12.OSPF Authentication
  2.2.5 IPv4 IS-IS
  1.NSAP
  2.IS-IS Link-state packets
  3.IS-IS area type
  4.IS-IS circuit type
  5.IS-IS TLV
  6.IS-IS DIS and Pseudo node
  7.IS-IS SPF
  8.IS-IS LSP
  9.IS-IS Metric
  10.IS-IS Route Leaking
  11.IS-IS RPC
  12.IS-IS Graceful Restart
  13.IS-IS LDP Synchronization
  14.IS-IS Authentication
  2.2.6 IPv4 BGP
  1.IBGP and EBGP
  2.BGP attributes
  3.BGP synchronization
  4.BGP routes Summarization
  5.Route Dampening
  6.BGP route reflector
  7.BGP confederation
  8.BGP Community
  9.BGP Peer Groups
  10.BGP Graceful Restart
  11.BGP Security
  12.Principles of Route Selection
  2.2.7 Route Control
  1.Filtering
  2.IP Prefix list
  3.Route Import(redistribution)
  4.Route policy
  5.Summarization
  6.Preference
  7.Other advanced features
  2.3 IPv6
  2.3.1 IP version 6 addressing and different addressing types
  2.3.2 IPv6 neighbor discovery
  2.3.3 IPv6 functionality protocols
  2.3.4 Tunneling techniques
  2.3.5 RIPng
  2.3.6 OSPF version 3
  2.3.7 MP BGP
  2.3.8 Route Control
  2.4 MPLS
  2.4.1 MPLS
  1.MPLS network component (P, PE, CE)
  2.MPLS label format
  3.MPLS label encapsulation
  4.MPLS label stack
  5.MPLS label operation
  6.Forwarding Equivalence Class
  7.LDP
  8.Label advisement model
  9.MPLS LDP—Local Label Allocation Filtering
  10.MPLS LDP Inbound/outbound Label Binding Filtering
  2.4.2 MPLS Layer 3
  1.MP-IBGP v4 peering
  2.*-instance
  3.Route Distinguisher
  4.Route Target
  5.Route Target import/export
  6.PE-CE–Dynamic Routes
  7.PE-CE–Static Routes
  8.Redistributing PE-CE routes into
  9.Redistributing routes into PE-CE routing table
  10.MPLS Multicast
  11.MCE
  2.5 IP Multicast
  2.5.1 Multicast distribution tree
  2.5.2 Multicast forwarding
  2.5.3 Multicast RPF
  2.5.4 Multicast Administrative Boundaries
  2.5.5 PIM dense mode
  2.5.6 PIM sparse mode
  2.5.7 IGMP
  2.5.8 IGMP Snooping
  2.5.9 MSDP
  2.5.10 Inter domain multicast routing
  2.5.11 PIM RP, and BSR
  2.5.12 Multicast tools, features, and source-specific multicast
  2.6 Network Security
  2.6.1 Access lists
  2.6.2 uRPF
  2.6.3 IP Source Guard
  2.6.4 AAA
  2.6.5 802.1x / NAC
  2.6.6 NAT
  1.Static NAT/NAPT
  2.Dynamic NAT/PAT
  3.Easy IP
  4.NAT Server
  5.Twice NAT
  6.ALG
  7.NAT Mapping
  8.NAT Filtering
  2.6.7 Device access control
  2.6.8 Security features
  2.6.9 Traffic Suppression
  2.6.10 Local Attack Defense
  2.6.11 IP Address Anti-spoofing
  2.6.12 ARP Security
  2.6.13 DHCP Security
  2.7 QoS
  2.7.1 QoS
  1.PQ、DRR、PQ+DRR、WRR、PQ+WRR、WFQ and PQ+WFQ
  2.Classification
  3.Traffic Policing
  4.Traffic Shaping
  5.Marking
  6.WRED and RED
  7.Compression
  8.HQoS
  9.Class-based QoS
  2.7.2 Fragmentation for Frame Relay
  2.7.3 CBS、CIR、TC、BC for Frame Relay
  2.7.4 Generic traffic shaping
  2.7.5 RSVP
  2.8 Troubleshoot a Network
  1.Troubleshoot complex Layer 2 network issues
  2.Troubleshoot complex Layer 3 network issues
  3.Troubleshoot a network in response to application problems
  4.Troubleshoot network services
  5.Troubleshoot network security
  2.9 Network Management
  1.Syslog
  2.IP Service Level Agreement SLA
  3.NetStream
  4.NQA
  5.SNMP
  6.FTP
  7.Telnet
  8.SSH
  2.10 Feature
  1.VRRP
  2.VGMP
  3.Interface Backup
  4.NTP
  5.DHCP
  6.BFD