Huawei Huawei Certifications H12-831 Questions & Answers

• Question 11:

  In the process of viewing the debug output through the SSH terminal, a lot of information pops up. Which of the following operations can make the Moni tor terminal no longer pop up debug messages?

  A. exit currentMonitorinterface redesignSSHLog in to the device to open a new oneMonitorinterface

  B. Open Notepad and enterundo debugging a 11,Copy the command line and paste it intoMonitorinterface

  C. Open Notepad$SLIAundo terminal monitor,Copy the command line and paste it intoMonitorinterface

  D. open notepad inputundo terminal debugging,Copy the command line and paste it intoMonitorinterface

  Correct Answer: BCD

• Question 12:

  The ORF function of BGP can control the routing entries sent by neighbors. In order to achieve this purpose, the BGP router will send the list of routes to be filtered to the neighbors. Which tool is generally used to send the list to the neighbors?

  A. A, CL

  B. Filter-Policy

  C. IP Prefix List

  D. Route-Policy

  Correct Answer: C

• Question 13:

  In the absence of a header, the LDP adjacencies will trigger the establishment of LSPO based on the IP routing of the 32-bit address.

  A. True

  B. False

  Correct Answer: A

• Question 14:

  A company consists of a head office and two branch offices, and uses MPLS VPN technology to transmit private network routes. In the networking mode of HuBandSpoke. Branches can only send and receive routes to and from the head office, and branches cannot directly send and receive routes to each other. In order to achieve the above requirements, which of the following schemes can the setting of RT be?

  A. head office:Import Target 12:3; Export Targetr 3:12OBranchl:Import Target,3:12;Export Target 12:3OBranch2:Import Target: 3:12: Export Target: 12:3

  B. head officeImport Target:l:l;Export Target: 3:3OBranchl:Import Targeta:3:3;Export Target: l:loBranch2:Import Target: 3:3; Export Target:2:2

  C. head office:Import Target 1:1, 2:2;Export Target: 3:3OBranchl:Import Target:3:3; Export Target: l:loBranch2:ImportTarget:3:3; Export Target:2:2

  D. head office:Import Target: 2:2;Export Target:3:3oBranchl:Import Target: 3:3.Export Target: l:loBranch2:ImportTarget: 3:3; Export Target.2:2

  Correct Answer: AC

• Question 15:

  There is the concept of forwarding equivalence class FEC in MPLS. The following description is wrong:

  A. MPLSGrouping packets with the same forwarding processing method is calledFEC

  B. a forwarding equivalence classFECA unique label value is assigned on all routers

  C. sameFECgrouped inMPLSThere will be different processing in the network

  D. FECThe division is very flexible. Can be the source address, and the address, source port, destination port, protocol type or VPNEqual to any combination of division basis

  Correct Answer: BC

• Question 16:

  Link LSAs of OSPFv3 are propagated throughout the area.

  A. right

  B. wrong

  Correct Answer: B

• Question 17:

  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. R3andR1ofIIHAuthentication failed

  B. R3andR1ofSystem IDrepeat

  C. R3andR1ofI5-LevelMismatch

  D. R3andR1the interconnect interfacecircuit-typeMismatchWhen troubleshooting MSTP faults, you executed the display current-configuration command to obtain

  Correct Answer: C

• Question 18:

  In PLSVPN, in order to distinguish IPv4 prefixes that use the same address space, the value of R0 is added to the IPv4 address. The correct description of the following options is:

  A. On a PE device, each VP instance corresponds to a value of 0. On the same PE device, the RD value must be unique.____, ____, ____.

  B. RD can be used to control the publication of 1 routing information

  C. RD is encapsulated in Update message as BGP extended community attribute during delivery

  D. After the PE receives the IPv4 route from the CE, it adds RD to the IPv4 route to convert it into a globally unique VPN-IPv4 route, and publishes it on the public network

  Correct Answer: AC

• Question 19:

  In addition to virtual connections, what type of IPv6 address is the source IPv6 address of OSPFv3's Hello text?

  A. IPv6anycast address

  B. unique local address

  C. Global Unicast Address

  D. link-local address

  Correct Answer: D

• Question 20:

  If the BFD session goes down, the direct link will fail.

  A. True

  B. False

  Correct Answer: B