Huawei H12-831 Online Practice Questions and Exam Preparation

Huawei H12-831 Online Questions & Answers

• Question 301:

  DRAG DROP

  On the OSPFv3 network shown in the figure, OSPFv3 parameters use default values. The LSDB is checked on one of the devices. The router IDs of R1, R3, and R4 are 10.0.1.1, 10.0.3.3, and 10.0.4.4, respectively. The Origin Router part of some LSAs is hidden.

  Complete this part. (Tokens can be reused.)

  

  Select and Place:

  

  

• Question 302:

  A network engineer enters dir on the device to obtain the following file names. Which is most likely to be the version file of the device?

  A. V300R022C00SPC100.cc
  B. startup_vl.rdb
  C. Ca.cer
  D. V300R022C00SPC100.cfg
  A. V300R022C00SPC100.cc

• Question 303:

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

• Question 304:

  As shown in the figure, private network routing information is exchanged between PE1 and PE2 and their respective CEs through OSPF, and the same DomainlD is set on both PE1 and PE2. When routes are imported from BGP to OSPF on

  PE2, it is possible that.

  Which of the following types of SAs are passed to CE2?

  

  A. Typel LSA
  B. Type3 LSA
  C. Type7 LSA
  D. Type5 LSA
  B. Type3 LSA
  C. Type7 LSA
  D. Type5 LSA

• Question 305:

  The description of the MPLS forwarding mechanism is correct

  A. The system automatically allocates aI. also known asTunnel ID
  B. whenIPmessage entryMRLSdomain, the first thing to look at isFIBsurface
  C. ifTumel IDvalue is not0x0,into the normalIPForwarding process
  D. ifTunnel IDvalue is0x0test entryMPLSForwarding process
  A. The system automatically allocates aI. also known asTunnel ID
  B. whenIPmessage entryMRLSdomain, the first thing to look at isFIBsurface

• Question 306:

  Configuring DHCP Snooping can be used to prevent imitator attacks, so the configuration process needs to include the following. What are the steps?

  A. enable globalDHCP SnoopingFunction
  B. enable globalDHCPFunction
  C. Configure Interface Trust Status
  D. enable interface orVLANofDHCP SnoopingFunction
  A. enable globalDHCP SnoopingFunction
  B. enable globalDHCPFunction
  C. Configure Interface Trust Status
  D. enable interface orVLANofDHCP SnoopingFunction

• Question 307:

  About the site in the BGPIMPLS IP VPN network architecture. Which of the following descriptions is correct?

  A. in any case, belong to the sameVPNDifferent sites on the
  B. through the sameCETerminals connected to the operator's network may belong to different sites(MCE)
  C. site is a groupIPsystem, a network of hosts cannot be called a site
  D. The two geographically separated networks must belong to different sites
  B. through the sameCETerminals connected to the operator's network may belong to different sites(MCE)

• Question 308:

  The figure shows information about VPN1 on a PE (Provider Edge) router in a BGP/MPLS IP VPN network.

  When the VPNv4 route corresponding to VPN1 is advertised to the remote PE, which VPNs of the remote PE will accept the route?

  VPN1 Configuration:

  ip vpn-instance VPN1

  ipv4-family

  route-distinguisher 100:1

  vpn-target 100:1 200:1 300:1 export-extcommunity

  VPN Import Policies on the Remote PE:

  A. VPN1: Import RT=100:1
  B. VPN2: Import RT=200:1, 400:1
  C. VPN3: Import RT=100:1, 300:1
  D. VPN4: Import RT=500:1
  A. VPN1: Import RT=100:1

• Question 309:

  On the enterprise network shown in the figure, R3 is connected to the NMS, and all devices on the network communicate with the NMS through a VPN.

  During an inspection, it is found that R3 has redundant RTs (Route Targets).

  Which of the following commands can be run on R3 to delete the redundant RTs without affecting the connectivity between all devices and the NMS?

  

  Options:

  A. undo vpn-target 3:1 import-extcommunity
  B. undo vpn-target 1:3 export-extcommunity
  C. undo vpn-target 1:3 import-extcommunity
  D. undo vpn-target 2:3 export-extcommunity
  B. undo vpn-target 1:3 export-extcommunity
  D. undo vpn-target 2:3 export-extcommunity

• Question 310:

  In BGP/MPLS IP VPN, the 0SPF multi-instance process uses the DN bit to prevent Type5 LSA loops.

  A. True
  B. False
  B. False