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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 Sep. 03, 2025 (see below)
Exhibit.
Referring to the exhibit, you have configured an aggregate route that represents the 172.21.0.0/24, 172.21.1.0/24, and 172.21.2.0/24 networks. However, when you view the routing table, your new route hidden.
Which action would you perform to determine the problem?
The exhibit shows an aggregate route configuration for the network 172.21.0.0/22, which would summarize the specific networks 172.21.0.0/24, 172.21.1.0/24, and 172.21.2.0/24. For an aggregate route to be active, it must have contributing routes in the routing table. If the route is hidden, it usually means there are no contributing routes that are active or the policy applied to the aggregate does not match any of the specific routes. Therefore, the first step in troubleshooting would be to verify that there are indeed active contributing routes for the aggregate to be valid.
Juniper documentation on routing policies and aggregates: Junos OS Routing Policies, Firewall Filters, and Traffic Policers User Guide
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
Which new field is added to an IPv6 header as compared to IPv4?
The flow label is a new field added to IPv6 headers that was not present in IPv4 headers. It is used to identify packets that require special handling by routers, particularly for quality-of-service (QoS) purposes. Reference::
IPv6 Header Format, Juniper Networks Documentation
IPv6 Overview, Juniper Networks Documentation
Exhibit
Which two statements are correct about the information shown in the exhibit? (Choose two.)
The exhibit shows the output of the command show spanning-tree bridge, which provides information about the spanning tree status of the switch. From the output, we can see that the switch has a bridge ID different from the root ID, which implies that this switch is not the root bridge. The 'Topology change initiator' field shows ge-0/0/14, which indicates that the last topology change occurred on this interface, and this is also the interface used to reach the root bridge.
Juniper Networks documentation on Spanning Tree Protocol: Understanding Spanning Tree Protocols
You want to share routes between two routing instances that you have configured?
What are two ways to accomplish this task? (Choose two.)
static route with a next-hop of next-table pointing to the appropriate routing table which contains more accurate information rib-groups to mirror routing information from one route-table to another. However, in many cases, in order to make this work, interface-routes also need to be mirrored. RIB Group policy can be used to constrain the routing information instance-import and instance-export statements configured within the individual routing-instances to leak routes from one table to another. Again, policy can be used here to constrain the routing information. This method is more straightforward than the rib-group method A final approach is to use physical interfaces or logical-tunnels to stitch routing-instances and use a routing protocol or static routes across this connection between the two routing-instances.
To share routes between two routing instances on a Junos device, you can configure an instance import policy in one or both instances to import routes from the other instance. Alternatively, a RIB (Routing Information Base) group can be used to share routes between instances. Reference::
Routing Instances Overview, Juniper Networks Documentation
RIB Groups Configuration Guide, Juniper Networks Documentation
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