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1.0 Layer2 Technologies 20%
1.0 Layer2 Technologies 20%
1.1 LAN switching technologies
- 1.1.a Implement and troubleshoot switch administration
- 1.1.a [i] Managing MAC address table
- 1.1.a [ii] errdisable recovery
- 1.1.a [iii] L2 MTU
- 1.1.b Implement and troubleshoot Layer 2 protocols
- 1.1.b [i] CDP, LLDP
- 1.1.b [ii] UDLD
- 1.1.c Implement and troubleshoot VLAN
- 1.1.c [i] Access ports
- 1.1.c [ii] VLAN database
- 1.1.c [iii] Normal, extended VLAN, voice VLAN
- 1.1.d Implement and troubleshoot trunking
- 1.1.d [i] VTPv1, VTPv2, VTPv3, VTP pruning
- 1.1.d [ii] dot1Q
- 1.1.d [iii] Native VLAN
- 1.1.d [iv] Manual pruning
- 1.1.e Implement and troubleshoot etherchannel
- 1.1.e [i] LACP, PAgP, manual
- 1.1.e [ii] Layer 2, Layer 3
- 1.1.e [iii] Load-balancing
- 1.1.e [iv] etherchannel misconfiguration guard
- 1.1.f Implement and troubleshoot spanning tree
- 1.1.f [i] PVST+/RPVST+/MST
- 1.1.f [ii] Switch priority, port priority, path cost, STP timers
- 1.1.f [iii] Port fast, BPDUguard, BPDUfilter
- 1.1.f [iv] Loopguard, rootguard
- 1.1.g Implement and troubleshoot other LAN switching technologies
- 1.1.g [i] SPAN, RSPAN, ERSPAN
1.2 Layer 2 Multicast
- 1.2.a Implement and troubleshoot IGMP
- 1.2.a [I] IGMPv1, IGMPv2, IGMPv3
- 1.2.a [ii] IGMP snooping
- 1.2.a [iii] IGMP querier
- 1.2.a [iv] IGMP filter
- 1.2.a [v] IGMP proxy
1.3 Layer 2 WAN circuit technologies
- 1.3.a Implement and troubleshoot HDLC
- 1.3.b Implement and troubleshoot PPP
- 1.3.b [i] Authentication [PAP, CHAP]
- 1.3.b [ii] PPPoE
- 1.3.b [iii] MLPPP
1.4 Troubleshooting Layer 2 technologies
- 1.4.a Use IOS troubleshooting tools
- 1.4.a [i] debug, conditional debug
- 1.4.a [ii] ping, traceroute with extended options
- 1.4.a [iii] Embedded packet capture
- 1.4.b Apply troubleshooting methodologies
- 1.4.b [i] Diagnose the root cause of networking issue [analyze symptoms, identify and describe root cause]
- 1.4.b [ii] Design and implement valid solutions according to constraints
- 1.4.b [iii] Verify and monitor resolution
- 1.4.c Interpret packet capture
- 1.4.c [i] Using wireshark trace analyzer
- 1.4.c [ii] Using IOS embedded packet capture