This list provides a general view of the skill set required to successfully complete the specified certification exam. Topics listed are subject to change.
OSPF
- Describe the concepts, operation and functionality of OSPF
- Various OSPF LSA types
- Flooding of LSAs in an OSPF network
- SPF algorithm
- OSPF metrics, including external metric types
- OSPF authentication options
- OSPF area types and operations, including stub areas and NSSAs
- Summarize and restrict routes
- Purpose of virtual links
- Key differences between OSPFv2 and OSPFv3
- Demonstrate knowledge of how to configure and monitor single-area and multi-area OSPF
- Implement OSPF routing policy
IS-IS
- Describe the concepts, operation and functionality of IS-IS
- Various IS-IS link-state PDU (LSP) types
- IS-IS adjacency rules
- Interpret the LSDB
- IS-IS metrics, including wide metrics
- IS-IS authentication options
- Default operation in multi-area IS-IS
- IS-IS route summarization and route leaking methods
- Demonstrate knowledge of how to configure and monitor single-area and multi-area IS-IS
- Implement IS-IS routing policy
BGP
- Describe the concepts, operation and functionality of BGP
- BGP route selection process
- How to alter the route selection process
- Various BGP attributes and explain the operation of those attributes
- Purpose and function of BGP communities
- Utilize regular expressions for route selection
- Describe, configure and monitor BGP route damping
- Manipulate BGP attributes using routing policy
- Multiprotocol BGP
- Demonstrate knowledge of how to configure and monitor BGP
- Implement BGP routing policy
- Describe and configure BGP scaling mechanisms, including route reflection and confederations
Class of Service (CoS)
- Describe the concepts, operation and functionality of Junos CoS
- Purpose of forwarding classes
- Function and types of packet classification
- Function and types of policers
- Function and interrelationships of the components of scheduling
- Purpose of hierarchical scheduling (H-CoS), and describe the characteristics of the four levels of H-CoS (high-level only)
- Characteristics of Differentiated Services
- Common per-hop behaviors (PHBs)
- Describe the CoS fields in various packet headers
- List the CoS processing stages on devices running Junos OS
- Function of rewriting packet headers
- Demonstrate knowledge of how to configure the various CoS components, including forwarding classes, classifiers, policers, schedulers, and rewrite rules
- Describe and configure CoS-based forwarding (CBF)
- Describe how to monitor CoS using various operational commands
IP Multicast
- Describe the concepts, operation and functionality of IP multicast
- IP multicast traffic flow
- Components of IP multicast, including multicast addressing
- Function of RPF in multicast
- Demonstrate knowledge of the components and function of common multicast routing protocols
- Function of IGMP and compare the various IGMP versions
- Compare PIM dense-mode and sparse-mode
- Various rendezvous point (RP) discovery options
- Compare Any-Source Multicast (ASM) and Source-Specific Multicast (SSM)
- Requirements, benefits, and address ranges used for SSM
- Purpose and operation of MSDP within a single PIM domain and across multiple PIM domains
- Function and benefit of using Anycast RP
- Use of routing policies to control PIM and MSDP message traffic and to scope multicast groups
- Demonstrate knowledge of how to configure and monitor IGMP, PIM-DM, PIM-SM (including SSM) and MSDP
- Implement IP multicast routing policy
MPLS
- Describe the concepts, operation and functionality of MPLS
- Common MPLS terms
- How a router forwards MPLS packets
- MPLS packet flow from an ingress node to an egress node
- Examine the Label Information Base
- Functionality of the two common label distribution protocols used by the Junos OS
- LSP metrics, including interaction with IGP metrics
- Default traffic protection behavior of RSVP-signaled LSPs
- Compare primary and secondary LSPs
- Function and interrelationship of LSP priority and preemption
- Compare the operation of fast reroute, link protection and node protection
- LSP optimization options
- Routing table integration options for traffic engineering
- Use of routing policies to control path selection
- Additional MPLS features, such as automatic bandwidth, TTL handling, and MPLS pings
- Describe the concepts, operation and functionality of Constrained Shortest Path First (CSPF)
- IGP extensions needed to build and maintain a traffic engineering database (TED)
- How the CSPF algorithm selects the best path
- Purpose of administrative groups
- Demonstrate knowledge of how to configure and monitor MPLS, LDP and RSVP
- Configure a router to perform MPLS forwarding
- Configure RSVP-signaled and LDP-signaled LSPs
- Implement MPLS routing policy
- Configure traffic protection mechanisms
- Configure the components of CSPF
Layer 3 VPNs
- Describe the concepts, operation and functionality of L3 VPNs
- Roles of P, PE, and CE routers
- Format of VPN-IPv4 addresses
- Function of a route distinguisher
- Operation and flow of the control and data planes
- Various L3 VPN CoS mechanisms
- How to support communications between sites attached to a common PE router
- Benefits and requirements of using a hub-and-spoke topology
- Methods to scale L3 VPNs
- Compare L3 VPN Internet access options
- Demonstrate knowledge of how to configure, monitor and troubleshoot L3 VPNs
- Demonstrate knowledge of the operation and configuration of multicast VPNs
- Concepts, operation and functionality of next-generation MVPNs (NG-MVPN)
- Flow of control and data traffic in a NG-MVPN
- Configure and monitor NG-MVPNs
- Describe Junos support for carrier of carrier and interprovider VPN models
Layer 2 VPNs
- Describe the concepts, operation and functionality of BGP L2 VPNs
- Roles of a CE, PE, and P router in an L2 VPN
- Flow of control and data traffic for a BGP L2 VPN
- Benefits and requirements of over-provisioning
- Methods to scale BGP L2 VPNs
- Various BGP L2 VPN CoS mechanisms
- Describe the concepts, operation and functionality of LDP L2 circuits
- Flow of control and data traffic for an LDP L2 circuit
- Describe the concepts, operation and functionality of VPLS
- Purpose of the PE, CE, and P devices
- Signaling, learning and forwarding process of VPLS
- Demonstrate knowledge of how to configure, monitor and troubleshoot L2 VPNs
- Configure, monitor and troubleshoot BGP L2 VPNs
- Configure, monitor and troubleshoot LDP L2 circuits
- Configure, monitor and troubleshoot VPLS
Automation
- Demonstrate basic knowledge of using automation scripts
