QUESTION: 241

S-4S supports multi-instance and multi-process, that is, on an IS-IS router, multiple VPN instances can be configured to associate with multiple IS-S processes, the following description of IS-IS multi-instance and multi-process, which are correct ?

If an IS-IS router creates multiple IS-IS processes, each process is independent of each other
1 IS-IS processes can only be associated with 1 VPN instance
1 IS-IS processes can be associated with several different VPN instances
1 VPN instances can be associated with several different IS-IS processes

Answer(s): A,B,D

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QUESTION: 242

The data results of a router are as follows, and the analysis conclusion is correct (single
choice).

The GEO/0/0 port of the R3 is in a different region than the neighbor
The R3 router's Eth0/0/1 enables both IPv4 and IPv6 ISIS
R3 is on the link where Eth0/0/0 is Eth0/ 1 of the LEVEL-1 and Level-2 DISC
R3 routers Circuit-level is Level-1-2

Answer(s): D

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QUESTION: 243

In the city, that is, mpLS BGPVPN network, when the packet enters the public network forwarding, it will be encapsulated with two layers of MPLS tags, the following description of the two layers of tags, the error is ?

Private network tags are carried and distributed by MP-BGP when routing, and public network tags are distributed by the LDP protocol.
MPLS BGPVPN uses two layers of tags: public labels (also known as outer labels) and private network labels (also known as inner labels).
By default, the router assigns the same tag value to all VPNv4 routes destined for the peer
The egress PE uses the inner tag when determining which egress CE the message should be sent to.

Answer(s): C

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QUESTION: 244

Four routers R1, R2, R3, and R4 run IS, and the I5S router type is noted in the diagram. All
four routers have an area address of 49001, and looking at the routing table on R1l shows the following results, the reason why R did not reach the route of 1034344

The routing policy configured on the ARO filters the System-ID of the default route
R2 from conflicting with R3
R and R4 Zone Planning Errors The System-ID of
R2 conflicts with R1

Answer(s): C

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