Free Huawei H31-161 Exam Dumps Questions & Answers

Refer to the exhibit.

As shown in the figure, Border Gateway Protocol (BGP) is used to
advertise VPN routes between PE 1 and PE 2.BGP process 100 is started on PE 1 and BGP process 200 is started on PE 2.OSPF is used between a PE and a CE and between CE 1 and CE 2 within area 1.To avoid routing loops, which of the following route tag configurations is true? (Note: 0Xd0000000=3489660928)

• A.  Configure the route tag to 100 on PE 1 and to 200 on PE 2.
• B.  Configure the route tag to 100 on PE 2 and to 200 on PE 1.
• C.  Configure the route tag to 3489661128 on PE 1 and leave it blank on PE 2.
• D.  Configure the route tag to 3489661028 on PE 1 and leave it blank on PE 2.

On the IP bearer network, different VPN users (VPN A and VPN B) must access the internet through the same egress. Which of the following schemes can achieve security isolation VPNs and have the best scalability?

• A.  Option C
• B.  Option B
• C.  Option D
• D.  Option A

Which statement about the Hub s MPLS VPN networking is false?

• A.  All Spoke PEs can receive the VPN-IPv4 routes advertised by the Hub PE.
• B.  When an MP-IBGB neighbor relationship is established between two spoke PEs, the value of the Import VPN Target attribute of one Spoke PE can be the same as tat of the Export VPN Target attribute of the other Spoke PE.
• C.  The Hub PE can receive the VPN_IPv4 routes advertised by all Spoke PEs.
• D.  The Hub PE advertises the routes learned from one Spoke PE to other Spoke PEs. Therefore, Spoke sites can access other through the Hub site.

On a metropolitan area network, VIP customers access the network through the MPLS VPN to ensure their security. Which of the following security deployments are required for PEs?

• A.  Configure the ACL to filter out data packets with common network viruses at the interface connected to the CE.
• B.  Deploy protocol authentication if a router protocol is used between PEs and CEs.
• C.  Configure the CP-CAR on the interface connected to the CE.
• D.  Configure the ACL to filter out IP packets that use the IP address of the CE-connected interface as the destination address.

Exhibit:

RTA is an edge router of the MPLS backbone network. It provides the access services for users under Layer 2 switches and different users by subinterface . User A access VLAN 12 and has subscribed to the His, VoIP, and IPTV services. According to 802 1p priorities, the value indicates the His service, 1 indicates the VoIp service, and 4 indicates the IPTV service. RTA is configured on he access side as follows.

What is the descending order of service priorities?

• A.  HSI, IPTV, VoIP
• B.  HSI, VoIP, IPTV
• C.  VoIP, IPTV, HSI
• D.  IPTV, VoIP, HSI