JNCIP-SP JN0-662 Practice Exam (Retired)
JNCIP-SP JN0-662
About JNCIP-ENT JN0-662
JN0-662 is a Juniper Networks Certification Program (JNCP) Service Provider Routing and Switching track. The certification exam allows participants to demonstrate competence with Juniper Networks technology. Successful candidates demonstrate thorough understanding of networking technology in general and Juniper Networks service provider routing and switching platforms.
Target Audience
The exam is intended for experienced networking professionals with advanced knowledge of the Juniper Networks Junos OS. The written exam validates the candidate’s understanding of advanced routing technologies and related platform configuration and troubleshooting skills.
Prerequisite for the exam
Candidates who wish to appear for JN0-662 exam are required to pass JNCIS-SP certification exam.
Course Structure
1. OSPF
Describe the concepts, operation and functionality of OSPFv2 or OSPFv3
• OSPF area types and operations
• LSA flooding through an OSPF multi-area network
• DR/BDR operation
• SPF algorithm
• Metrics, including external metric types
• Summarize and restrict routes
• Virtual links
• OSPFv2 vs OSPFv3
2. IS-IS
Describe the concepts, operation, or functionality of IS-IS
• IS-IS areas/levels and operations
• LSP flooding through an IS-IS multi-area network
• DIS operation
• SPF algorithm
• Metrics, including wide metrics
• Route summarization and route leaking
3. BGP
Describe the concepts, operation, or functionality of BGP
• BGP route selection process
• Next hop resolution
• BGP attributes – concept and operation
• BGP communities
• Regular expressions
• Multipath
• Multihop
• Load balancing
• Advanced BGP options
• BGP route damping
• Multiprotocol BGP
Describe the concepts, operation or functionality of BGP scaling mechanisms
• Route reflection
• Confederations
4. Class of Service (CoS)
Describe the concepts, operation, or functionality of Junos CoS
• CoS processing on Junos devices
• CoS header fields
• Forwarding classes
• Classification
• Packet loss priority
• Policers
• Schedulers
• Drop profiles
• Rewrite rules
5. IP Multicast
Describe the concepts, operation, or functionality of IP multicast
• Components of IP multicast, including multicast addressing
• IP multicast traffic flow
• Any-Source Multicast (ASM) versus Source-Specific Multicast (SSM)
• RPF – concept and operation
• IGMP
• PIM dense-mode and sparse-mode
• Rendezvous point (RP) – concept, operation, discovery, election
• SSM – requirements, benefits, address ranges
• Anycast RP
6. Layer 3 VPNs
Describe the concepts, operation, or functionality of Layer 3 VPNs
• Traffic flow – control and data planes
• Full mesh vs. hub-and-spoke topology
• VPN-IPv4 addressing
• Route distinguishers
• Route targets
• Route distribution
• Site of origin
• Sham links
• vrf-table-label
• Layer 3 VPN scaling
• IPv6 Layer 3 VPNs
• Layer 3 VPN Internet access options
7. Layer 2 VPNs
Describe the concepts, operation, or functionality of BGP Layer 2 VPNs
• Traffic flow – control and data planes
• Forwarding tables
• Connection mapping
• Layer 2 VPN NLRI
• Route distinguishers
• Route targets
• Layer 2 VPN scaling
Describe the concepts, operation, or functionality of LDP Layer 2 circuits
• Traffic flow – control and data planes
• Virtual circuit label
• Layer 2 interworking
Describe the concepts, operation, or functionality of VPLS
• Traffic flow – control and data planes
• BGP VPLS label distribution
• LDP VPLS label distribution
• Route targets
• VPLS Multihoming
• Site IDs
Describe the concepts, operation, or functionality of EVPN
• Traffic flow – control and data planes
• MAC learning and distribution
• EVPN Multihoming
• BGP EVPN label distribution
Exam Pattern
- Exam Name: Service Provider Routing and Switching, Professional (JNCIP-SP)
- Exam Code: JN0-662
- Number of Questions: 65
- Length of Time: 120 Minutes
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