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H12-891_V1.0 – HCIE-Datacom V1.0

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Showing 7–9 of 20 questions

Question 7

RTA is the source DR router, RTB is the RP router, and the multicast source sends multicast data to the RTA, but the PIM is not visible on the RTB Register the multicast source to which the message is registered, then the possible causes are ?

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    Multicast network statically configures RP, while RTA router does not statically configure RP
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    The RP elected by RTA is not an RTB
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    RTB to RTA has no unicast routing, causing the RTB to fail RPF checks for the source
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    The multicast network dynamically elects the RP instead RTA failed RPF check for BSR
Question 8

The following statement about IPSec VPN is correct

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    Brutal mode can support NAT traversal, while main mode does not support NAT traversal.
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    The two routers establish IPSecVPN in main mode, and from the 5th message (included), the payload's data is often encrypted.
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    Two routers establish an IPSec VPN in brutal mode, so that the tunnel is built with a minimum of 4 messages interacting between the two devices.
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    The two routers can establish an OSPF neighbor relationship through the IPSec VPN (19) channel and exchange intranet devices by
Question 9

As shown in the figure, PC1 and PC2 are hosts that belong to the same network segment, below about between PC1 and PC2 What are the correct descriptions of IPv6 neighbor states?

C:\Users\wk\Desktop\mudassar\Untitled.png

Select all that apply, then click Submit answer.

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    If the MAC address information of PC2 can be queried on PC1, the neighbor relationship may be Stale
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    If pc2's MAC address information can be queried on PC1, the neighbor relationship may be Probe
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    There are five possible neighbor states between PC1 and PC2: Incomplete, Reachable, and Stale , Delay, Probe
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    If the MAC address information of PC2 can be queried on PC1, the neighbor relationship must be Reachable