As shown in the figure, OSPF is deployed in a campus, and Area 1 is deployed as an NSSA are a. In the case of missing header, R2 will automatically generate a missing header route of Type 7 LSA and flood it in the NSSA area

• A.True
• B.False

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Which of the following features affects BGP neighbor establishment?

• A.ebgp max hop
• B.BGPCertification
• C.BGP GSTM
• D.BGProute filtering

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In an MPLS VPN network, data packets are forwarded when they enter the public network. will be encapsulated with two layers of MPLS labels sign. Which of the following options describes the processing of the packet correctly:

• A.Egress PEDevice received untaggedIPdata pack
• B.The data packet is forwarded toEgress PEequipment
• C.Egress PEThe device correctly sends the data packet to the correspondingVPNmiddle
• D.the outer label of the packet received by the penultimate hop device is3

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A campus deploys OSPF to implement network interworking. The LSDB of R2 is shown in the figure. From this LSDB. it is possible to What information was obtained?

• A.Area 1forNSSAarea
• B.R2existOSPFThe default route is delivered in the process
• C.ArealNone inType3 LSA. maybeR2in the area1In the correct directiontype3 LSAfiltered
• D.R2WillType7 LSAThe default route is converted toType5 LSAdefault route for

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The IS-IS neighbor relationship between R3 and R1 is not established. According to the information in this figure, what is the possible reason?

• A.R3andR1the interconnect interfacecircuit-typeMismatchWhen troubleshooting MSTP faults, you executed the display current-configuration command to obtain
• B.R3andR1ofI5-LevelMismatch
• C.R3andR1ofSystem IDrepeat
• D.R3andR1ofIIHAuthentication failed

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