Download Juniper Networks Certified Internet Specialist SP (JNCIS-SP).JN0-360.PracticeTest.2018-09-27.241q.vcex

Vendor: Juniper
Exam Code: JN0-360
Exam Name: Juniper Networks Certified Internet Specialist SP (JNCIS-SP)
Date: Sep 27, 2018
File Size: 2 MB
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Demo Questions

Question 1
Which IS-IS PDU is used to request a retransmission of a missing link-state packet?
  1. the complete sequence number PDU
  2. the partial sequence number PDU
  3. a hello PDU with a request PDU TLV specifying the missing LSP
  4. a hello PDU with a refresh PDU TLV requesting all LSPs
Correct answer: B
Question 2
Which statement is true regarding the IS-IS designated intermediate system (DIS)?
  1. The DIS function is used only on broadcast or multi-access networks.
  2. The DIS function is used on both broadcast and point-to-point link types.
  3. On a broadcast network, adjacencies are formed only between the non-DIS nodes and the DIS to help reduce adjacency overhead.
  4. IS-IS supports a backup DIS mechanism to provide rapid failover in the event of a DIS failure.
Correct answer: A
Question 3
Which three reasons would account for this issue? (Choose three.)
  1. A lack of or a malformed ISO network entity title (NET) on the loopback interface would cause this issue.
  2. The interface MTU might be less than 1492.
  3. The IS-IS protocol on the loopback interface has not been enabled.
  4. The area IDs might be matched and should be set differently.
  5. An ISO NET might not be configured on the physical interface.
Correct answer: ABC
Question 4
Which three statements are true regarding the IS-IS link-state database (LSDB)? (Choose three.)
  1. An L1 router has a single database reflecting the connectivity of its area.
  2. An L1 router often relies on a default route generated by attached routers to reach interarea destinations.
  3. The Level 2 database contains only backbone area routes unless route leaking is configured.
  4. Route leaking can be used to optimize Level 2 to Level 1 routing.
  5. An attached router has at least two LSDBs: one for each Level 1 area and a single LSDB for the Level 2 backbone.
Correct answer: ABE
Question 5
Which PDU type is sent by an IS-IS router when it detects that its link-state database is out of date?
  1. hello
  2. link state
  3. complete sequence number
  4. partial sequence number
Correct answer: D
Question 6
What are two similarities between OSPF and IS-IS? (Choose two.)
  1. Both use hello packets to form and maintain adjacencies.
  2. Both use the Dijkstra algorithm to construct a shortest-path tree.
  3. Both elect a designated router and a backup designated router.
  4. Both have a built-in mechanism to provide address summarization between areas.
Correct answer: AB
Question 7
Which three statements correctly describe IBGP and EBGP interaction? (Choose three.)
  1. IBGP is used within an AS, whereas EBGP is used between two different ASs.
  2. EBGP peering is normally loopback-based to provide tolerance for interface or link failures.
  3. By default, EBGP updates the next-hop attribute, whereas IBGP does not.
  4. IBGP speakers can re-advertise IBGP-learned or EBGP-learned routes to other IBGP speakers.
  5. EBGP speakers can re-advertise IBGP-learned or EBGP-learned routes to other EBGP speakers.
Correct answer: ACE
Question 8
Which two statements correctly describe how the AS path attribute is used by BGP? (Choose two.)
  1. The AS path attribute is updated whenever an EBGP-learned route is re-advertised using IBGP.
  2. The AS path attribute is updated in EBGP advertisements only and is the primary loop-avoidance mechanism for BGP.
  3. When local preference is the same, the AS path attribute is a common tiebreaker, where paths with fewer AS hops are preferred.
  4. When local preference is the same, the AS path attribute is a common tiebreaker, where paths with more AS hops are preferred.
Correct answer: BC
Question 9
Which statement describes the role of local preference in the BGP route selection process?
  1. Local preference is evaluated early in the BGP route selection process and results in the route with the highest numerical local preference being selected.
  2. Local preference is evaluated early in the BGP route selection process and results in the route with the lowest numerical local preference being selected.
  3. Local preference is used to break ties when all other received BGP attributes are otherwise equal.
  4. Local preference is sent by an EBGP speaker to a neighboring AS in an attempt to influence how the remote peer's traffic will ingress into your network.
Correct answer: A
Question 10
Which three BGP attributes are used for loop prevention? (Choose three.)
  1. AS path
  2. originator ID
  3. next hop
  4. cluster list
  5. origin
Correct answer: ABD
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