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Company XYZ, a global content provider, owns data centers on different continents Their data center design involves a standard three-layer design with a Layer 3-only core VRRP is used as the FHRP They require VLAN extension across access switches in all data centers, and they plan to purchase a Layer 2 interconnection between two of their data centers in Europe in the absence of other business or technical constraints which termination point is optimal for the Layer 2 interconnection?
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Question 26 - 400-007 discussion

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Refer to the exhibit.

As part of a redesign project, you must predict multicast behavior What happens to the multicast traffic received on the shared tree (*,G), if it is received on the LHR interface indicated*?

A.

It is dropped due to an unsuccessful RPF check against the multicast source

Answers
A.

It is dropped due to an unsuccessful RPF check against the multicast source

B.

It is switched give that no RPF check is performed

Answers
B.

It is switched give that no RPF check is performed

C.

It is switched due to a successful RPF check against the routing table

Answers
C.

It is switched due to a successful RPF check against the routing table

D.

It is dropped due to an unsuccessful RPk8t8ck against the multicast receiver.

Answers
D.

It is dropped due to an unsuccessful RPk8t8ck against the multicast receiver.

Suggested answer: C

Explanation:

https://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/16450-mcastguide0.html

When a multicast packet arrives on an interface, the RPF process checks to ensure that this incoming interface is the outgoing interface used by unicast routing in order to reach the source of the multicast packet. This RPF check process prevents loops. Multicast routing does not forward a packet unless the source of the packet passes a RPF check. Once a packet passes this RPF check, multicast routing forwards the packet based only upon the destination address.

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asked 10/10/2024
Venkateswar Parupalli
34 questions
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