Overview

Welcome to Exam JN0-649 JNCIP-ENT and JN0-351 JNCIS-ENT Juniper Exam Test(JNCIP-ENT) Enterprise Routing and Switching, Professional:-The Enterprise Routing and Switching track enables you to demonstrate competence with networking technology in general and Juniper Networks enterprise routing and switching platforms. JNCIP-ENT, the professional-level certification in this track, is designed for experienced networking professionals with advanced knowledge of the Juniper Networks Junos OS. The exam verifies your understanding of advanced routing technologies and related platform configuration and troubleshooting skillsExam Objectives:-Interior Gateway Protocols (IGPs)Describe the concepts, operation, or functionality of IGPsIS-ISOSPFv2 and OSPFv3Routing PolicyGiven a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor IGPsBGPDescribe the concepts, operation, or functionality of BGPBGP route selection processNext hop resolutionBGP attributes: concept and operationBGP communitiesLoad balancing - multipath, multihop, forwarding tableNLRI families: inet and inet6Advanced BGP optionsGiven a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor BGPImplement BGP routing policyIP MulticastDescribe the concepts, operation, or functionality of IP multicastComponents of IP multicast, including multicast addressing IP multicast traffic flowAny-Source Multicast (ASM) vs. Source-Specific Multicast (SSM)RPF - concept and operationIGMP, IGMP snoopingPIM sparse-modeRendezvous point (RP) - concept, operation, discovery,electionAnycast RPMSDPRouting policy and scopingGiven a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor IP multicastIGMP, PIM-SM (including SSM)Implement IP multicast routing policyEthernet Switching and Spanning TreeDescribe the concepts, operation or functionality of advanced Ethernet switchingFilter-based VLANsPrivate VLANsDynamic VLAN registration using MVRPTunnel Layer 2 traffic through Ethernet networksLayer 2 tunneling using Q-in-Q and L2PTGiven a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor advanced Ethernet switchingFilter-based VLANsDynamic VLAN registration using MVRPTunnel Layer 2 traffic through Ethernet networksLayer 2 tunneling using Q-in-Q and L2PTDescribe the concepts, operation, or functionality of advanced spanning tree protocols, including MSTP or VSTP.Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor MSTP or VSTP.Layer 2 Authentication and Access ControlDescribe the operation of various Layer 2 authentication or access control featuresAuthentication process flow802.1x - concepts and functionalityMAC RADIUSCaptive portalServer fail fallbackGuest VLANConsiderations when using multiple authentication/access control methodsGiven a scenario, demonstrate how to configure, troubleshoot, or monitor Layer 2 authentication or access control.IP Telephony FeaturesDescribe the concepts, operation or functionality of features that facilitate IP telephony deploymentsPower over Ethernet (PoE)LLDP and LLDP-MEDVoice VLANGiven a scenario, demonstrate how to configure, troubleshoot, or monitor features used to support IP telephony deployments.Class of service (CoS)Describe the concepts, operation, or functionality of Junos CoS for Layer 2/3 networksCoS processing on Junos devicesCoS header fieldsForwarding classesClassificationPacket loss priorityPolicersSchedulersDrop profilesShapingRewrite rulesGiven a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor CoS for Layer 2 or 3 networks.EVPNDescribe the concepts, operation, or functionality of Junos EVPNRoute types (e.g., Type 1, 2 3)VXLANMulti-homing (e.g., active route types)Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor EVPN.(JNCIS-ENT) Enterprise Routing and Switching, Specialist:-JNCIS-ENT, the specialist-level certification in this track, is designed for experienced networking professionals with beginner to intermediate knowledge of routing and switching implementations in Junos. The exam verifies your basic understanding of routing and switching technologies and related platform configuration and troubleshooting skills.Exam ObjectivesLayer 2 Switching or VLANsIdentify the concepts, operations, or functionalities of Layer 2 switching for the Junos OS:Bridging componentsFrame processingDescribe the concepts, benefits, or functionalities of VLANs:PortsTaggingNative VLANs and voice VLANsInter-VLAN routingDemonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 switching or VLANs:Interfaces and portsVLANsInter-VLAN routingSpanning TreeDescribe the concepts, benefits, operations, or functionalities of the Spanning Tree Protocol (STP):STP and Rapid Spanning Tree Protocol (RSTP) conceptsPort roles and statesBridge Protocol Data Units (BPDUs)Convergence and reconvergenceDemonstrate knowledge how to configure, monitor, or troubleshoot Spanning Tree:STPRSTPLayer 2 SecurityIdentify the concepts, benefits, or operations of various Layer 2 protection or security features:BPDU, loop or root protectionPort security, including MAC limiting, DHCP snooping, Dynamic ARP inspection (DAI) or IP source guardMACsecStorm controlIdentify the concepts, benefits, or operations of Layer 2 firewall filters:Filter typesProcessing orderMatch criteria and actionsDemonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 security:ProtectionPort securityStorm controlFirewall filter configuration and applicationProtocol Independent RoutingIdentify the concepts, operations, or functionalities of various protocol-independent routing components:Static, aggregate, and generated routesMartian addressesRouting instances, including routing information base (RIB) groupsLoad balancingFilter-based forwardingDemonstrate knowledge how to configure, monitor, or troubleshoot various protocol-independent routing components:Static, aggregate, and generated routesLoad balancingFilter-based forwardingOSPFDescribe the concepts, operations, or functionalities of OSPF:Link-state databaseOSPF packet typesRouter IDAdjacencies and neighborsDesignated router (DR) and backup designated router (BDR)OSPF area and router typesRealmsLink-state advertisement (LSA) packet typesDemonstrate knowledge how to configure, monitor, or troubleshoot OSPF:Areas, interfaces, and neighborsAdditional basic optionsRouting policy applicationTroubleshooting tools (ping, traceroute, traceoptions, show commands, logging)IS-ISDescribe the concepts, operations, or functionalities of IS-IS:Link-state databaseIS-IS Protocol Data Units (PDUs)Type, length, and values (TLVs)Adjacencies and neighborsLevels and areasDesignated intermediate system (DIS)MetricsDemonstrate knowledge of how to configure, monitor, or troubleshoot IS-IS:Levels, interfaces, and adjacenciesAdditional basic optionsRouting policy applicationTroubleshooting tools (ping, traceroute, traceoptions, show commands, logging)BGPDescribe the concepts, operations, or functionalities of BGP:BGP basic operationBGP message typesAttributesRoute/path selection processInternal and external BGP (IBGP and EBGP) functionality and interactionDemonstrate knowledge of how to configure, monitor, or troubleshoot BGP:Groups and peersAdditional basic optionsRouting policy applicationTroubleshooting tools (ping, traceroute, traceoptions, show commands, logging)TunnelsIdentify the concepts, requirements, or functionalities of IP tunneling:Tunneling applications and considerationsGeneric Routing Encapsulation (GRE)IP-IPDemonstrate knowledge of how to configure, monitor, or troubleshoot IP tunnels:GREIP-IPTroubleshooting tools (ping, traceroute, traceoptions, show commands, logging)High AvailabilityIdentify the concepts, benefits, applications, or requirements for high availability in a Junos OS environment:Link aggregation groups (LAG)Redundant trunk groups (RTG)Virtual chassisGraceful restartGraceful Routing Engine switchover (GRES)Nonstop active routing (NSR)Nonstop bridging (NSB)Bidirectional Forwarding Detection (BFD)Virtual Router Redundancy Protocol (VRRP)Unified In-Service Software Upgrade (ISSU)Demonstrate knowledge of how to configure, monitor, or troubleshoot high availability components:LAG and RTGVirtual chassisGraceful restart, GRES, NSB, and NSRVRRPISSUTroubleshooting tools (traceoptions, show commands, logging)

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