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Exam 350-601 topic 1 question 487 discussion

Actual exam question from Cisco's 350-601
Question #: 487
Topic #: 1
[All 350-601 Questions]

A customer deploys a media server to distribute streaming videos to network clients. The requirement is to allow the video feed to reach only requesting clients. The shared trees must not propagate the video feed if no clients from that tree request it. To reduce configuration touchpoints, the solution must support the automatic discovery and announcement of RP-set information. Each router in the network is responsible for selecting the RP. Which configuration set meets these requirements?

  • A. router(config-if)# ip pim bidir-enable
    router(config)# ip pim ssm default
    router(config)# ip igmp version 3
  • B. router(config-if)# ip pim dense-mode
    router(config)# ip pim rp-address 1.1.1.1
    router(config)# ip pim rp listener
  • C. router(config-if)# ip pim sparse-sense mode
    router(config)# ip pim auto-rp
    router(config)# ip pim send-rp-announce
  • D. router(config-if)# ip pim sparse mode
    router(config)# ip pim bsr-candidate Lo0
    router(config)# ip pim rp-candidate Lo0
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Suggested Answer: D 🗳️

Comments

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Rollizo
9 months, 4 weeks ago
Selected Answer: D
it is D because of the RP discovery and sparse-mode. Dense-mode is less efective and more endpoints receive no solicited multicast traffic
upvoted 2 times
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joncursio
10 months, 3 weeks ago
Selected Answer: D
C does not have all commands required so must be D
upvoted 1 times
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crooks_1988
1 year, 3 months ago
Option C is missing: ip pim send-rp-discovery
upvoted 1 times
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Arch_Angel
1 year, 3 months ago
D is correct BSR Election and Functionality PIM uses the BSR to discover and announce RP-set information for each group prefix to all the routers in a PIM domain. This is the same function performed by Auto-RP, but the BSR is part of the PIM Version 2 specification. The BSR mechanism interoperates with Auto-RP on Cisco routers. https://www.cisco.com/en/US/docs/ios/12_4t/ip_mcast/configuration/guide/mctbasic.html .|.
upvoted 3 times
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SysAd
1 year, 3 months ago
answer is D, using boot strap router. C is incomplete command
upvoted 2 times
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asd248402
1 year, 3 months ago
Selected Answer: C
see https://www.cisco.com/en/US/docs/ios/12_4t/ip_mcast/configuration/guide/mctbasic.html#wp1058990
upvoted 1 times
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A (35%)
C (25%)
B (20%)
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