Exam Details

  • Exam Code
    :JN0-361
  • Exam Name
    :Service Provider Routing and Switching, Specialist (JNCIS-SP)
  • Certification
    :Juniper Certifications
  • Vendor
    :Juniper
  • Total Questions
    :542 Q&As
  • Last Updated
    :Mar 30, 2025

Juniper Juniper Certifications JN0-361 Questions & Answers

  • Question 501:

    You are attempting to influence return traffic into your autonomous system by preferring one router as an entry point.

    Which two BGP attributes will affect this behavior? (Choose two.)

    A. originator ID

    B. local preference

    C. AS path

    D. MED

  • Question 502:

    Which PDU type is sent by an IS-IS router when it detects that its link-state database is out of date?

    A. hello

    B. link state

    C. complete sequence number

    D. partial sequence number

  • Question 503:

    What are two similarities between OSPF and IS-IS? (Choose two.)

    A. Both use hello packets to form and maintain adjacencies.

    B. Both use the Dijkstra algorithm to construct a shortest-path tree.

    C. Both elect a designated router and a backup designated router.

    D. Both have a built-in mechanism to provide address summarization between areas.

  • Question 504:

    Which three statements correctly describe IBGP and EBGP interaction? (Choose three.)

    A. IBGP is used within an AS, whereas EBGP is used between two different ASs.

    B. EBGP peering is normally loopback-based to provide tolerance for interface or link failures.

    C. By default, EBGP updates the next-hop attribute, whereas IBGP does not.

    D. IBGP speakers can re-advertise IBGP-learned or EBGP-learned routes to other IBGP speakers.

    E. EBGP speakers can re-advertise IBGP-learned or EBGP-learned routes to other EBGP speakers.

  • Question 505:

    Which two statements correctly describe how the AS path attribute is used by BGP? (Choose two.)

    A. The AS path attribute is updated whenever an EBGP-learned route is re-advertised using IBGP.

    B. The AS path attribute is updated in EBGP advertisements only and is the primary loop-avoidance mechanism for BGP.

    C. When local preference is the same, the AS path attribute is a common tiebreaker, where paths with fewer AS hops are preferred.

    D. When local preference is the same, the AS path attribute is a common tiebreaker, where paths with more AS hops are preferred.

  • Question 506:

    Which three reasons would account for this issue? (Choose three.)

    A. A lack of or a malformed ISO network entity title (NET) on the loopback interface would cause this issue.

    B. The interface MTU might be less than 1492.

    C. The IS-IS protocol on the loopback interface has not been enabled.

    D. The area IDs might be matched and should be set differently.

    E. An ISO NET might not be configured on the physical interface.

  • Question 507:

    Which three statements are true regarding the IS-IS link-state database (LSDB)? (Choose three.)

    A. An L1 router has a single database reflecting the connectivity of its area.

    B. An L1 router often relies on a default route generated by attached routers to reach interarea destinations.

    C. The Level 2 database contains only backbone area routes unless route leaking is configured.

    D. Route leaking can be used to optimize Level 2 to Level 1 routing.

    E. An attached router has at least two LSDBs: one for each Level 1 area and a single LSDB for the Level 2 backbone.

  • Question 508:

    Which two statements correctly describe IS-IS adjacencies? (Choose two.)

    A. Level 1 adjacencies can form in the same (intra) area only.

    B. Level 2 adjacencies are formed between (inter) areas only.

    C. Level 2 adjacencies can be established either interarea or intra-area.

    D. Level 2 adjacencies can form within the same (intra) area only.

  • Question 509:

    Which IS-IS PDU is used to request a retransmission of a missing link-state packet?

    A. the complete sequence number PDU

    B. the partial sequence number PDU

    C. a hello PDU with a request PDU TLV specifying the missing LSP

    D. a hello PDU with a refresh PDU TLV requesting all LSPs

  • Question 510:

    Which statement is true regarding the IS-IS designated intermediate system (DIS)?

    A. The DIS function is used only on broadcast or multi-access networks.

    B. The DIS function is used on both broadcast and point-to-point link types.

    C. On a broadcast network, adjacencies are formed only between the non-DIS nodes and the DIS to help reduce adjacency overhead.

    D. IS-IS supports a backup DIS mechanism to provide rapid failover in the event of a DIS failure.

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