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Exam JN0-362 topic 1 question 24 discussion

Actual exam question from Juniper's JN0-362
Question #: 24
Topic #: 1
[All JN0-362 Questions]

Click the Exhibit button.

Referring to the exhibit, which statement is correct?

  • A. Interface xe-0/0/0.0 has a default metric of 10
  • B. Interface ge-3/0/0.0 has a default metric of 10
  • C. Interface ge-1/0/0.0 can only form a single adjacency
  • D. Interface xe-0/0/0.0 can only form a single adjacency
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️

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FR99
2 years, 11 months ago
Selected Answer: B
With 10Gig of OSPF reference bandwidth configured, a 1Gig interface would have an OSPF cost of 10
upvoted 1 times
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nushadu
3 years, 6 months ago
ed@vMX_R1# run show interfaces em0 extensive | match speed Speed: 1000mbps [edit] ed@vMX_R1# run show ospf interface em0.2 extensive | match cost Type: P2P, Address: 10.0.0.1, Mask: 255.255.255.0, MTU: 1500, Cost: 10 Topology default (ID 0) -> Cost: 10 [edit] ed@vMX_R1# show protocols ospf | display set set protocols ospf traffic-engineering set protocols ospf area 0.0.0.0 interface lo0.0 passive set protocols ospf area 0.0.0.0 interface lo0.0 metric 500 set protocols ospf area 0.0.0.0 interface em0.2 interface-type p2p set protocols ospf area 0.0.0.0 interface em0.2 bfd-liveness-detection minimum-interval 1000 set protocols ospf reference-bandwidth 10g [edit] ed@vMX_R1#
upvoted 2 times
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mixeren
3 years, 7 months ago
Set the reference bandwidth used in calculating the default interface cost. The cost is calculated using the following formula: cost = ref-bandwidth/bandwidth
upvoted 3 times
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shaokan1
3 years, 8 months ago
reference-bandwidth of 10g means a 1g interface will have a metric of 10.
upvoted 4 times
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DIbyam
3 years, 9 months ago
For NBMA OSPF network-type, we can form multiple adjacency with static neighbor relationship, so not true. Also, reference-BW/interface-BW provides ospf cost. So, B is true answer.
upvoted 4 times
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DirkBaert
3 years, 10 months ago
nmda = non broadcast, so I think D
upvoted 3 times
fakrulalam
3 years, 7 months ago
https://ipcisco.com/lesson/ospf-network-types-ccnp/ OSPF DR and BDR selection is done for Nonbroadcast Multi Access(NBMA) Networks.
upvoted 1 times
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C (25%)
B (20%)
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