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Juniper JN0-363 Exam Questions
- Topic 1: Protocol-Independent Routing: In this section of the exam, candidates must show knowledge regarding understanding concepts, operations, or functionality of various protocol-independent routing components.
- Topic 2: Open Shortest Path First (OSPF): In this section of the exam, the concepts covered include the operation or functionality of OSPF such as Link-state database, OSPF packet types, Router ID, Adjacencies and neighbors, etc.
- Topic 3: Intermediate System to Intermediate System (IS-IS): This section of the exam identifies =the concepts, operation, or functionality of IS-IS such as Link-state database, IS-IS protocol data units (PDUs), Type, length, values (TLVs), Adjacencies and neighbors, and Levels and areas.
- Topic 4: Border Gateway Protocol (BGP): This section of the exam covers BGP basic operation, BGP message types, Attributes Route/path selection process, etc.
- Topic 5: Layer 2 Bridging or VLANs: In this section, topics evaluated include the concepts, operation, or functionality of Layer 2 bridging for the Junos OS such as Service provider switching platforms, Bridging elements and terminology, Frame processing, Virtual Switches, and Provider bridging.
- Topic 6: Spanning-Tree Protocols: Spanning-Tree Protocols: The section covers topics such as how to identify the concepts, benefits, operation, or functionality of Spanning Tree Protocol and its variants.
- Topic 7: Multiprotocol Label Switching (MPLS): In this section, topics covered include how to identify the concepts, operation, or functionality of MPLS such as MPLS terminology, MPLS packet header, End-to-end packet flow and forwarding, Labels and the label information base, and MPLS and routing tables.
- Topic 8: Identify the concepts, operation, or functionality of IPv6: The exam section relates to knowledge of IPv4 versus IPv6 Address types, notation, and format, Address scopes, Autoconfiguration, and Tunneling.
- Topic 9: Tunnels: In this section, the topics covered include how to identify the concepts, requirements, or functionality of IP tunneling, Tunneling applications and considerations, and Generic routing encapsulation (GRE).
- Topic 10: High Availability: In this section of the exam, topics covered include the benefits, applications, or requirements of high availability such as Link aggregation groups (LAGs) and multichassis LAGs (MC- LAGs), Graceful restart (GR), Graceful Routing Engine switchover (GRES), Nonstop bridging (NSB), and Nonstop active routing (NSR).
Free Juniper JN0-363 Exam Actual Questions
Note: Premium Questions for JN0-363 were last updated On Jul. 15, 2026 (see below)
Exhibit
Referring to the exhibit, which statement is true about VRRP?
The exhibit shows the show vrrp summary output from two routers, with both routers listing the state of their VRRP group as master. VRRP allows for multiple routers to share a virtual IP address and a virtual MAC address, but usually, only one router is the master at any given time while others are in backup state. However, in some configurations, VRRP can operate in an active/active mode where multiple routers handle traffic simultaneously for load sharing. Since both routers show the state as master and there is no evidence of misconfiguration in the virtual IP addresses or priority, it indicates that VRRP is likely functioning in an active/active setup.
Juniper documentation on VRRP: Junos OS VRRP Overview
Which two statements are correct about the way that BGP propagates routes by default? (Choose two.)
By default, BGP will propagate routes learned from EBGP peers to other IBGP peers. However, due to the BGP split-horizon rule, routes learned from one IBGP peer are not re-advertised to another IBGP peer. This behavior is designed to prevent routing information loops within the same AS.
Juniper Networks documentation on BGP: BGP Route Propagation and Selection
Exhibit
Which prefix in the output shown in the exhibit is an external prefix injected by an OSPF router?
In the OSPF routing table output, prefixes are marked with different route types. An external prefix injected into OSPF is marked as 'Ext' (External) followed by a number that indicates whether it's an E1 or E2 route. The prefix 172.18.1.0/24 is marked as Ext2, which indicates that it is an external route that has been redistributed into OSPF from another routing protocol or static configuration.
Juniper Networks Technical Documentation on OSPF
Which two statements are correct about segment routing? (Choose two.)
Segment routing is a source routing paradigm that allows a source router to define the path that a packet will take through the network by assigning an ordered list of segments---identifiers that specify a forwarding path for the packet through the network. Segment Routing can be implemented over an MPLS architecture or with IPv6 (SRv6).
A . Segment routing does not require a full mesh of adjacencies or state per transit path in the network, which is often the case with conventional MPLS signaling protocols like RSVP-TE. It leverages the existing IGP topology for forwarding without the need to maintain a state for each LSP (Label Switched Path), hence requiring very little resources to maintain.
B . In segment routing, labels (or segments) are distributed via IGP routing protocols like OSPF or IS-IS with extensions to carry segment routing information. These protocols are enhanced with Segment Routing extensions to distribute labels. For example, OSPFv2 is extended with Segment Routing extensions defined in RFC 8665.
C . This statement is not entirely correct. While it is true that segment routing does not require the maintenance of a state for each path (LSP), the concept of 'segment routing adjacencies' is a mischaracterization. Segment routing leverages the existing adjacencies formed by the underlying IGP.
D . Label assignments in segment routing are not advertised through LDP (Label Distribution Protocol) updates. Segment routing does away with LDP and instead uses IGP extensions to distribute labels.
Juniper Networks documentation on Segment Routing: Segment Routing Overview
Juniper Networks technical documentation providing guidance on configuring OSPF with Segment Routing extensions.
IETF RFC 8665: OSPF Extension for Segment Routing.
Exhibit
You are asked to configure the OSPF environment to prevent the DRother routers from participating in DR/BDR election.
Referring to the exhibit, which command will accomplish this task?
To prevent a router from participating in the OSPF designated router (DR) and backup designated router (BDR) election process, you set the OSPF priority to 0 on the interfaces of that router. This tells OSPF that the router on those interfaces is not to be considered for election as either DR or BDR, effectively making them DRother routers. The exhibit indicates that this is the desired configuration, and therefore the correct command to issue on the Juniper device would be to set the priority to 0 on the relevant interfaces.
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