Exam 300-510 topic 1 question 178 discussion

Actual exam question from Cisco's 300-510

Question #: 178
Topic #: 1

A network engineer recently deployed a wireless network for users at a new office to join video conferences wirelessly. The existing network consists of routers that are configured for EIGRP and BGP, which are located at several data centers in different physical locations. The engineer configured PIM-SSM within a single domain from a single source. However, during the testing phase, the video conference failed to work for any of the users. The IPs are reachable and firewalls in the network are configured correctly to allow the traffic. Which action resolves the issue?

A. Configure PIM sparse mode to replace PIM-SSM.
B. Configure PIM dense mode to replace PIM-SSM.
C. Configure the devices to send join messages toward a multicast SPT.
D. Configure PIM dense mode with multidomain multicast.

Show Suggested Answer

Suggested Answer: C 🗳️

by serban_17 at March 21, 2024, 6:29 p.m.

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Seele

10 months, 1 week ago

A B D are incorrect, and C is most likely trying hard not to say "configure IGMPv3". In any case, C is the best answer.

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DUsoo

1 year, 1 month ago

This is tricky Q as PIM-SSM best supports solution "one-to-many" and video conference is "many-to-many" solution. Best way is to reconfigure it to BIDIR-PIM, but we do not have this option here. So if this Q is related to IGMPv3 as "serbam_17" mentioned, then Yes. Should be option "C". But who knows :-)

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serban_17

1 year, 2 months ago

the answer probably wants to say to configure IGMPv3...

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