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JNCIS-M Exam Objectives (Exam: JN0-303)

This list is intended to provide a general view of the skill set required to successfully complete the specified certification exam. Topics listed are subject to change.

  • Describe JUNOS software routing policy design considerations-import; export; terms; match criteria; actions; default actions.
  • Identify the operation of community regular expressions.
  • Identify the operation of AS path regular expressions.
  • Evaluate the outcome of a policy using a subroutine.
  • Evaluate the outcome of a policy using a policy expression.

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Open Shortest Path First (OSPF)

  • Define the functions of the following OSPF area designations and functions-backbone area; non-backbone area; stub area; not-so-stubby area.
  • Identify OSPF authentication types.
  • Identify the configuration of OSPF route summarization.
  • Determine route selection based on IGP route metrics and the Shortest Path First (SPF) Algorithm.
  • Identify the routing policy capabilities of OSPF.
  • Describe the functionality of the OSPF LSA types.
  • Describe the relationship between the loopback address and the router ID.
  • Define the capabilities and operation of Graceful Restart.

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Intermediate System to Intermediate System (IS-IS)

  • Define the functions of the following IS-IS parameters-authentication; mesh groups; wide metrics; route preferences; IS-IS levels; LSP lifetime; overload; routing policy.
  • Describe characteristics of IS-IS adjacencies.
  • Describe inter-area routing in IS-IS.
  • Identify the operation and database characteristics of a multi-area IS-IS network.
  • Describe the functionality of the IS-IS protocol data units.
  • Describe the functionality of the defined IS-IS TLVs.
  • Describe ISO network addressing as it applies to IS-IS.
  • Determine route selection based on IGP route metrics and the Shortest Path First (SPF) Algorithm.
  • Define the capabilities and operation of Graceful Restart.
  • Identify the correct configuration of IS-IS route summarization.

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Border Gateway Protocol (BGP)

  • Describe the BGP route selection process and CLI commands used to verify its operation.
  • Define the functions of the following BGP parameters-passive; authentication; prefix limits; multipath; multihop.
  • Identify the functionality and alteration of the BGP attributes.
  • Define the capabilities and operation of Graceful Restart.
  • Describe the operation and configuration of a route reflection BGP network.
  • Describe the operation and configuration of a confederation BGP network.
  • Define the configuration and consequences of BGP route flap damping.
  • Identify the characteristics of multiprotocol BGP and list the reasons for enabling it.

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Multicast

  • Identify the PIM-SM rendezvous point election mechanisms.
  • Describe the operation of a multicast network using each of the RP election mechanisms.
  • Define the methods available to scope multicast traffic.
  • Describe the use and configuration of MSDP within a single PIM domain.
  • Describe the use and operation of MSDP across multiple PIM domains.
  • Describe methods for maintaining separate unicast and multicast forwarding topologies.

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Multiprotocol Label Switching (MPLS)

  • Define the functions and characteristics of RSVP.
  • Define the functions and characteristics of LDP.
  • Identify the operational steps of the constrained shortest path first algorithm.
  • Describe the extensions to OSPF that support traffic engineering.
  • Describe the extensions to IS-IS that support traffic engineering.
  • Define the reason(s) for configuring the following LSP attributes: primary; secondary; administrative groups; adaptive settings; priority; preemption; optimization; forwarding adjacencies into IGPs; fast reroute; metric; time-to-live options; auto-bandwidth; explicit null.

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Virtual Private Networks (VPNs)

  • Identify the differences between a CPE and a provider-provisioned VPN.
  • Describe the operation of the control plane in a Layer 3 VPN environment.
  • Describe the operation of the data plane in a Layer 3 VPN environment.
  • Identify the steps involved in configuring a Layer 3 VPN.
  • Identify the differences between a Layer 2 and a Layer 3 VPN.
  • Define the functionality of circuit cross-connect and its configuration steps.
  • Describe the steps involved in configuring a Kompella Layer 2 VPN.
  • Describe the steps involved in configuring and verifying a Martini Layer 2 VPN.

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Class of Service (CoS)

  • Identify CoS related functions.
  • Describe methods used to apply CoS parameters to IP traffic.
  • Describe methods used to apply CoS parameters to MPLS traffic.
  • Define the queuing strategies implemented on a Juniper Networks router.
  • List the steps involved in configuring a class of service network.

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Security

  • Define the main principles of network security.
  • Identify firewall filter capabilities and applications for securing a network.
  • Describe user authentication and access mechanisms within the JUNOS software.
  • Describe the use of filters in controlling network attacks.

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IPv6

  • Describe the IPv6 protocol headers and their functions.
  • Define the process used to address IPv6 hosts.
  • Identify the routing protocol capabilities of IPv6.
  • Identify the steps required to configure IPv6 on a Juniper Networks router.

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