Tag Archives: practice

Cisco ENCOR Review – SD-WAN and SD-Access

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It is that time! Time for some fun review questions for the SD-WAN and SD-Access potions of the Cisco ENCOR course. Check back for more challenges soon!

Fibre Channel Port Types

Cisco ENCOR SW-WAN and SD-Access Review

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Cisco ENARSI: The Expanded Blueprint

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Here is the initial expanded blueprint for ENARSI! If there are changes to this document, they will be listed in the Change Log below the list. Enjoy your studies!

  • 1.0 Layer 3 Technologies
    • Troubleshoot administrative distance (all routing protocols)
    • Troubleshoot route maps for any routing protocol (attributes, tagging, filtering)
    • Troubleshoot loop prevention mechanisms
      • Filtering
      • Tagging
      • Split horizon
      • Route poisoning
    • Troubleshoot redistribution between any routing protocols or routing sources
    • Troubleshoot manual and auto-summarization with any routing protocol
    • Configure and verify policy-based routing
    • Configure and verify VRF-Lite
    • Describe Bidirectional Forwarding Detection
    • Troubleshoot EIGRP (classic and named mode)
      • Address families
        • IPv4
        • IPv6
      • Neighbor relationship and authentication
      • Loop-free path selections
        • RD, FD, FC
        • Successor
        • Feasible successor
        • Stuck in active
      • Stubs
      • Load balancing (equal and unequal cost)
      • Metrics
    • Troubleshoot OSPF (v2/v3)
      • Address families (IPv4, IPv6)
      • Neighbor relationship and authentication
      • Network types, area types, and router types
        • Point-to-point, multipoint, broadcast, nonbroadcast
        • Area type: backbone, normal, transit, stub, NSSA, totally stub
        • Internal router, backbone router, ABR, ASBR
        • Virtual link
        • Path preference
    • Troubleshoot BGP (Internal and External)
      • Address families
        • IPv4
        • IPv6
      • Neighbor relationship and authentication
        • Next-hop
        • Mulithop
        • 4-byte AS
        • Private AS
        • Route refresh
        • Synchronization
        • Operation
        • Peer group
        • States and timers
      • Path preference
      • Route reflector
      • Policies
        • Inbound/outbound filtering
        • Path manipulation
  • 2.0 VPN Technologies
    • Describe MPLS operations
      • LSR
      • LDP
      • Label switching
      • LSP
    • Describe MPLS Layer 3 VPN
    • Configure and verify DMVPN (single hub)
      • GRE/mGRE
      • NHRP
      • IPsec
      • Dynamic neighbor
      • Spoke-to-spoke
  • 3.0 Infrastructure Security
    • Troubleshoot device security using IOS AAA
      • TACACS+
      • RADIUS
      • Local database
    • Troubleshoot router security features
      • IPv4 access control lists (standard, extended, time-based)
      • IPv6 traffic filter
      • Unicast reverse path forwarding (uRPF)
    • Troubleshoot control plane policing (CoPP)
      • Telnet
      • SSH
      • HTTP(S)
      • SNMP
      • EIGRP
      • OSPF
      • BGP
    • Describe IPv6 First Hop security features
      • RA guard
      • DHCP guard
      • binding table
      • ND inspection/snooping
      • source guard
  • 4.0 Infrastructure Services
    • Troubleshoot device management
      • Console and VTY
      • Telnet, HTTP, HTTPS, SSH, SCP
      • (T)FTP
    • Troubleshoot SNMP
      • Version 2c
      • Version 3
    • Troubleshoot network problems using logging
      • local
      • syslog
      • debugs
      • conditional debugs
      • timestamps
    • Troubleshoot IPv4 and IPv6 DHCP
      • DHCP client
      • IOS DHCP server
      • DHCP relay
      • DHCP options)
    • Troubleshoot network performance issues using IP SLA
      • jitter
      • tracking objects
      • delay
      • connectivity
    • Troubleshoot NetFlow
      • v5
      • v9
      • flexible NetFlow
    • Troubleshoot network problems using Cisco DNA Center assurance
      • Connectivity
      • Monitoring
      • Device health
      • Network health