QUESTION: 117

Which of the following statements about the multicast address used by 0SPFv3 is correct?

DR routers use FF08::6
All 0SPF routers use FF08: 5
All 5PF Routers use FF02:5
DRThe router uses FF02::6

Answer(s): C,D

QUESTION: 118

As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so in the LSDB of R3 There are no three types of LSAO

True
False

Answer(s): B

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In intra-domain MPLS VPN networks, data packets will be encapsulated with two layers of MPLS when they enter the public network and are forwarded.
label, the description of the two-layer label in the following options is wrong

MPLS VPNThe outer label is made byLDPprotocol or statically assigned, the inner label is assigned by the correct end
MP-BGPassigned by neighbors
MPLS VPNEThe outer layer label is called the private network label, and the inner layer label is called the public network label
By default, the outer label is singled out before the packet is forwarded to the last hop device
Layer labels are used inPEThe device sends the packet correctly to the correspondingVPNmiddle

Answer(s): B

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QUESTION: 120

Regarding the MPLS forwarding process, the description of Ingress node forwarding is correct:

IngressAfter the node receives the data packet, it will first checkILMlooking forTunnel ID
existIPThe obtained label is pressed into the packet, and according to theQoSPolicy processingEXRSimultaneous processingL,,Then the packagedMPLSThe packet is sent to the next hop
according toILMtableTunnel IDfind the correspondingNHLFEentry, willLFIBentry andNHLFEtable entry
CheckNHLFETable entry, you can get outbound interface, next hop, outbound label and label operation type The label operation type isPush

Answer(s): B,D

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QUESTION: 117

QUESTION: 118

QUESTION: 119

QUESTION: 120