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.
- Routing Policy
- Open Shortest Path First (OSPF)
- Intermediate System to Intermediate System (IS-IS)
- Border Gateway Protocol (BGP)
- Multicast
- Multiprotocol Label Switching (MPLS)
- Virtual Private Networks (VPNs)
- Class of Service (CoS)
- Security
- IPv6
- 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
