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2. Exam Code: H31-123-ENU Exam Name: Huawei Certified Network Professional - BITN (Carrier IP) Updated: 2016-05-31 Q & A: 278 Q&As

3.  When deploying the QoS, it can use the PBR to do the traffic classification and mark.  It can sort according to the rule defined by ACL (Source IP Address, Destination IP Address, protocol type, port number, etc.) and the length range of the packet, and then modify the DSCP or IP Precedence field of the packet to mark.  A. TRUE  B. FALSE

4.  In MPLS BGP VPN, running routing protocol between PE and CE, interface connected with PE and CE bundle with the VPN-instance vpna, which of the following command can be used to check that PE and CE properly establish the EBGP neighbor relationship?  A. display bgp vpnv4 vpn-instance vpna peer  B. display bgp peer  C. display ip vpn-instance vpna  D. display bgp vpnv4 vpn-instance vpna network

5.  OSPF, to support MPLS TE, the configuration must be included is: （ Choose 2 Answers)  A. Configure to support the width flux under the OSPF view  B. Use the traffic-eng command to enable OSPF-TE under the OSPF view  C. Use the opaque-capability enable command to enable the Opaque capability under the OSPF view  D. Use the mpls-te enable command to enable mpls te in the current area under the OSPF area view