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Service Provider Routing and Switchings: 65 (JN0-361) - Juniper Exam Questions

Last updated on June 20, 2026

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66 Total Questions
1
Question
You are using RSVP to signal an MPLS LSP.

Which statement is true in this scenario?
Options
A The traffic engineering database must be used for all LSPs.
B LSPs can be configured without any traffic engineering constraints.
C A primary path must be configured to establish an LSP.
D A secondary path must be configured to establish an LSP.
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2
Question
You want to save adjacency formation time between two routers participating in OSPF, as well as reduce the size of the OSPF link-state database.

How would you accomplish these tasks?
Options
A Configure a virtual link.
B Specify a designated router.
C Specify a backup designated router.
D Define a point-to-point connection.
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3
Question
Click the Exhibit.

Exhibit

Referring to the exhibit, the GRE tunnel between R-1 and R-2 allows connectivity between User-1 and Server-1. User-1 can communicate with Server-1 with packets that are up to 1448 bytes in size. However, if the packet size is larger than 1448, User-1 cannot communicate with Server-1. In this scenario, how do you solve the communication problem?
Options
A Change the physical MTU on the gr-0/0/0 interfaces on R-1 and R-2 to 1448 bytes.
B Change the physical MTU on the ge-0/0/3 interfaces on R-1 and R-2 to 1448 bytes.
C Apply the allow-fragmentation statement to the GRE tunnel configuration.
D Apply the path-mtu-discovery statement to the GRE tunnel configuration.
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4
Question
Which two Layer 2 protocols are supported on MX Series devices? (Choose two.)
Select 2
Options
A BGP
B MSTP
C RSTP
D RIP
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5
Question
Click the Exhibit.

Exhibit

You are planning the addition of a new EX3400 Series device to the network (EX-3400-7) to
service MSTI-1 and MSTI-2.
Referring to the exhibit, which requirement must be met on EX-3400-7 for the MSTP instances to become fully operational and resilient?
Options
A The MSTP revision-level must be incremented.
B The bridge-priority must match EX-3400-5 and EX-3400-6.
C The MSTP configuration-name must be the same.
D The CIST must be extended to EX-3400-7.
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