Esame 300-420 ENSLD – Designing Cisco Enterprise Networks

Designing Cisco Enterprise Networks

Codice Esame : 300-420 ENSLD
versione : 1
Vendor : Cisco

This exam tests your knowledge of enterprise design, including: Advanced addressing and routing solutions Advanced enterprise campus networks WAN Security services Network services SDA

Area : Enterprise 
Status : Active 
Esame iniziato il: 24-2-2020 terminato il :  
Durata (minuti): 90
Domande : min None – max None 

Punteggio : min None max None
Costo : 

Exam topics:

  • 1.0 – Advanced Addressing and Routing Solutions – 25%
    • 1.1 – Create structured addressing plans for IPv4 and IPv6 
    • 1.2 – Create stable, secure, and scalable routing designs for IS-IS 
    • 1.3 – Create stable, secure, and scalable routing designs for EIGRP 
    • 1.4 – Create stable, secure, and scalable routing designs for OSPF 
    • 1.5 – Create stable, secure, and scalable routing designs for BGP 
    • 1.5.a – Address families 
    • 1.5.b – Basic route filtering 
    • 1.5.c – Attributes for path preference 
    • 1.5.d – Route reflectors 
    • 1.5.e – Load sharing 
    • 1.6 – Determine IPv6 migration strategies 
    • 1.6.a – Overlay (tunneling) 
    • 1.6.b – Native (dual-stacking) 
    • 1.6.c – Boundaries (IPv4/IPv6 translations) 
  • 2.0 – Advanced Enterprise Campus Networks – 25%
    • 2.1 – Design campus networks for high availability 
    • 2.1.a – First Hop Redundancy Protocols 
    • 2.1.b – Platform abstraction techniques 
    • 2.1.c – Graceful restart 
    • 2.1.d – BFD 
    • 2.2 – Design campus Layer 2 infrastructures 
    • 2.2.a – STP scalability 
    • 2.2.b – Fast convergence 
    • 2.2.c – Loop-free technologies 
    • 2.2.d – PoE and WoL 
    • 2.3 – Design multicampus Layer 3 infrastructures 
    • 2.3.a – Convergence 
    • 2.3.b – Load sharing 
    • 2.3.c – Route summarization 
    • 2.3.d – Route filtering 
    • 2.3.e – VRFs 
    • 2.3.f – Optimal topologies 
    • 2.3.g – Redistribution 
    • 2.4 – Describe SD-Access Architecture (underlay, overlay, control and data plane, automation, wireless, and security) 
    • 2.5 – Describe SD-Access fabric design considerations for wired and wireless access (overlay, fabric design, control plan design, border design, segmentation, virtual networks, scalability, over the top and fabric for wireless, multicast) 
  • 3.0 – WAN for Enterprise Networks – 20%
    • 3.1 – Compare WAN connectivity options 
    • 3.1.a – Layer 2 VPN 
    • 3.1.b – MPLS Layer 3 VPN 
    • 3.1.c – Metro Ethernet 
    • 3.1.d – DWDM 
    • 3.1.e – 4G/5G 
    • 3.1.f – SD-WAN customer edge 
    • 3.2 – Design site-to-site VPN 
    • 3.2.a – Dynamic Multipoint VPN (DMVPN) 
    • 3.2.b – Layer 2 VPN 
    • 3.2.c – MPLS Layer 3 VPN 
    • 3.2.d – IPsec 
    • 3.2.e – Generic Routing Encapsulation (GRE) 
    • 3.2.f – Group Encrypted Transport VPN (GET VPN) 
    • 3.3 – Design high availability for enterprise WAN 
    • 3.3.a – Single-homed 
    • 3.3.b – Multihomed 
    • 3.3.c – Backup connectivity 
    • 3.3.d – Failover 
    • 3.4 – Describe Cisco SD-WAN Architecture (orchestration plane, management plane, control plane, data plane, on-boarding and provisioning, security) 
    • 3.5 – Describe Cisco SD-WAN design considerations (control plane design, overlay design, LAN design, high availability, redundancy, scalability, security design, QoS and multicast over SD-WAN fabric) 
  • 4.0 – Network Services – 20%
    • 4.1 – Select appropriate QoS strategies to meet customer requirements (DiffServ, IntServ) 
    • 4.2 – Design end-to-end QoS policies 
    • 4.2.a – Classification and marking 
    • 4.2.b – Shaping 
    • 4.2.c – Policing 
    • 4.2.d – Queuing 
    • 4.3 – Design network management techniques 
    • 4.3.a – In-band vs. out-of-band 
    • 4.3.b – Segmented management networks 
    • 4.3.c – Prioritizing network management traffic 
    • 4.4 – Describe multicast routing concepts (source trees, shared trees, RPF, rendezvous points) 
    • 4.5 – Design multicast services (SSM, PIM bidirectional, MSDP) 
  • 5.0 – Automation – 10%
    • 5.1 – Choose the correct YANG data model set based on requirements 
    • 5.2 – Differentiate between IETF, Openconfig, and Cisco native YANG models 
    • 5.3 – Differentiate between NETCONF and RESTCONF 
    • 5.4 – Describe the impact of model-driven telemetry on the network 
    • 5.4.a – Periodic publication 
    • 5.4.b – On-change publication 
    • 5.5 – Compare dial-in and dial-out approaches to model-driven telemetry 

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