JN0-363 Service Provider Routing and Switching, Specialist Exam

The Service Provider Routing and Switching track enables you to demonstrate a thorough understanding of networking technology in general and Juniper Networks service provider routing and switching platforms. JNCIS-SP, the specialist-level certification in this track, is designed for networking professionals with beginner to intermediate knowledge of routing and switching implementations in Junos. The written exam verifies your basic understanding of routing and switching technologies and related platform configuration and troubleshooting skills.

This track contains four certifications:
JNCIA-Junos: Junos, Associate. For details, see JNCIA-Junos.
JNCIS-SP: Service Provider Routing and Switching, Specialist. For details, see the sections below.
JNCIP-SP: Service Provider Routing and Switching, Professional. For details, see JNCIP-SP.
JNCIE-SP: Service Provider Routing and Switching, Expert. For details, see JNCIE-SP.

Exam Details
Exam questions are derived from the recommended training and the exam resources listed above. Pass/fail status is available immediately after taking the exam. The exam is only provided in English.

Exam Code : JN0-363
Prerequisite Certification : JNCIA-Junos
Exam Length : 90 minutes
Exam Type : 65 multiple-choice questions
Software Versions : Junos OS 21.2

Exam Preparation
We recommend the following resources to help you prepare for your exam. However, these resources aren’t required, and using them doesn’t guarantee you’ll pass the exam.

Recommended Training
Junos Intermediate Routing (JIR)
Junos Service Provider Switching (JSPX)
Junos MPLS Fundamentals (JMF)

Exam Resources
Industry/product knowledge
Juniper TechLibrary
Additional Preparation
Juniper Learning Portal

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Exam Objectives
Here’s a high-level view of the skillset required to successfully complete the JNCIS-SP certification exam.

Exam Objective / Description

Protocol-Independent Routing
Identify the concepts, operation, or functionality of various protocol-independent routing components:
Static, aggregate, and generated routes
Martian addresses
Routing instances, including routing information base (RIB) (also known as routing table) group
Load balancing
Filter-based forwarding

Demonstrate knowledge of how to configure, monitor, or troubleshoot various protocol-independent routing components:
Static, aggregate, and generated routes
Load balancing
Filter-based forwarding

Open Shortest Path First (OSPF)

Identify the concepts, operation, or functionality of OSPF:
Link-state database
OSPF packet types
Router ID
Adjacencies and neighbors
Designated router and backup designated router
OSPF area and router types
Link-state advertisement (LSA) packet type

Demonstrate knowledge of how to configure, monitor, or troubleshoot OSPF:
Areas, interfaces and neighbors
Additional basic options
Routing policy application
Troubleshooting tools

Intermediate System to Intermediate System (IS-IS)
Identify the concepts, operation, or functionality of IS-IS:
Link-state database
IS-IS protocol data units (PDUs)
Type, length, values (TLVs)
Adjacencies and neighbors
Levels and areas
Designated intermediate system (DIS)
Metrics

Demonstrate knowledge of how to configure, monitor, or troubleshoot IS-IS:
Levels, interfaces and adjacencies
Additional basic options
Routing policy application
Troubleshooting tools

Border Gateway Protocol (BGP)
Identify the concepts, operation, or functionality of BGP:
BGP basic operation
BGP message types
Attributes
Route/path selection process
Internal and external BGP (IBGP and EBGP) functionality and interaction

Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP:
Groups and peers
Additional basic options
Routing policy application

Layer 2 Bridging or VLANs
Identify the concepts, operation, or functionality of Layer 2 bridging for the Junos OS:
Service provider switching platforms
Bridging elements and terminology
Frame processing
Virtual Switches
Provider bridging (Q-in-Q tunneling)

Identify the concepts, benefits, or functionality of VLANs:
Port modes
Tagging
Integrated Routing and Bridging (IRB)/li>

Demonstrate knowledge of how to configure, monitor, or troubleshoot Layer 2 bridging or VLANs:
Interfaces and ports
VLANs
IRB
Provider bridging

Spanning-Tree Protocols
Identify the concepts, benefits, operation, or functionality of Spanning Tree Protocol and its variants:
Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), Multiple Spanning Tree Protocol (MSTP), and VLAN Spanning Tree Protocol (VSTP) concepts
Port roles and states
Bridge Protocol Data Units (BPDUs)
Convergence and reconvergence
Spanning-tree security

Demonstrate knowledge of how to configure, monitor, or troubleshoot STP and its variants:
Spanning-tree protocols (STP, RSTP, MSTP, VSTP)
BPDU, loop and root protection

Multiprotocol Label Switching (MPLS)
Identify the concepts, operation, or functionality of MPLS:
MPLS terminology
MPLS packet header
End-to-end packet flow and forwarding
Labels and the label information base
MPLS and routing tables
RSVP
LDP
Segment routing

Demonstrate knowledge of how to configure, monitor, or troubleshoot MPLS:
MPLS forwarding
RSVP-signaled and LDP-signaled Label-Switched Paths (LSPs)

IPv6
Identify the concepts, operation, or functionality of IPv6:
IPv4 versus IPv6
Address types, notation, and format
Address scopes
Autoconfiguration
Tunneling

Demonstrate knowledge of how to configure, monitor, or troubleshooting IPv6:
Interfaces
Static routes
Dynamic routing (OSPFv3, IS-IS, BGP)
IPv6 over IPv4 tunneling

Tunnels
Identify the concepts, requirements, or functionality of IP tunneling:

Tunneling applications and considerations
Generic routing encapsulation (GRE)

Demonstrate knowledge of how to configure, monitor, or troubleshoot IP tunnels:

GRE
High Availability

Identify the concepts, benefits, applications, or requirements of high availability:
Link aggregation groups (LAGs) and multichassis LAGs (MC- LAGs)
Graceful restart (GR)
Graceful Routing Engine switchover (GRES)
Nonstop bridging (NSB)
Nonstop active routing (NSR)
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
Graceful restart, GRES, NSB, and NSR
Virtual Router Redundancy Protocol (VRRP)

QUESTION 1
Exhibit button
Which two statements are correct about the service provider MPLS network shown in the exhibit?
(Choose two.)

A. R3 will perform a label pop operation on the transport MPLS label.
B. Traffic from Network 1 to Network 3 and traffic from Network 1 to Network 4 each need their own unique label-switched path.
C. Traffic from Network 1 to Network 3 and from Network 1 to Network 4 can share the same labelswitched path.
D. R3 will perform a label swap operation on the transport MPLS label.

Answer: AD

QUESTION 2
Which two statements are correct about IS-IS? (Choose two.)

A. A level 1 only router can never form an adjacency with a level 2 only router.
B. For level 2 adjacencies, the area IDs can be different.
C. For level 2 adjacencies, the area IDs must be the same.
D. A level 1 only router can form an adjacency with a level 2 only router.

Answer: CD

QUESTION 3
You are adding an IPv6 configuration to an Interface on a Junos device.
In this scenario, which statement is correct?

A. The link local address must be manually configured within the fdO0:: prefix range.
B. The link local address must be manually configured within the fe80:: prefix range.
C. The link local address is automatically created using the MAC address within the fe80::’l0 prefix range.
D. The link local address is automatically created using the MAC address within the fd00:: prefix range.

Answer: D

QUESTION 4
Which statement is correct about IS-IS?

A. IS-IS is a distance vector routing protocol.
B. IS-IS is a path vector routing protocol.
C. IS-IS is a link-state routing protocol.
D. IS-IS is a classful routing protocol.

Answer: C

QUESTION 5
Which new field is added to an IPv6 header as compared lo IPv4?

A. version
B. checksum
C. fragment offset
D. flow label

Answer: D