[2023年更新]H12-831-ENU回答無料デモは最適で最高のリアルな試験合格させます
H12-831-ENU[2023年11月最新推薦]試験問題はあなたをパスさせる
Huawei H12-831-ENU（HCIP-Datacom）認定試験は、Huawei Technologies Co. Ltd.が提供する専門レベルの認定試験です。データコミュニケーションとネットワークの分野で専門知識を実証したい個人向けに設計されています。この試験は、データ通信ネットワークの設計、展開、および管理を担当するネットワークエンジニア、ネットワーク管理者、およびその他のIT専門家を対象としています。
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質問 # 200
Network administrator A wants to view the neighbor status of BGP router R2. The BGP neighbor status information of R2 is shown in the figure. Please help network administrator A to obtain the following information: The AS where R2 is located is AS ( ). (write only numbers, do not add punctuation or spaces)
- A. 102
正解：A
質問 # 201
What is the core idea of network troubleshooting?
- A. Confirm the business traffic path
- B. Gathering Information
- C. Top-down approach
- D. Judgmental Analysis
正解：A
質問 # 202
Which of the following description of the configuration on this switch is correct? (Multiple choice)
- A. First you need to create a DHCP server group and add a DHCP server to the server group
- B. The VLANIF100 interface will send the received DHCP packets to the external DHCP Server through the relay
- C. Both DHCP server and DHCP relay must be configured with DHCP enabled globally
- D. Specify the DHCP server group as dhcp group 1 for the VLAN100 interface
正解：A、B、C、D
質問 # 203
Regarding the sham link, which of the following descriptions is wrong?
- A. In order to forward the VPN flow through the MPLS backbone network, the routing cost of the sham link should be less than the OSPF routing cost of the backdoor road
- B. Sham link can be configured in any area, it needs to be configured manually, and there must be a route to the destination address of the sham link (the sham link endpoint address of the peer PE) in the local VPN instance
- C. The endpoint address of the sham link is published by BGP as a VPNv4 address. Routes that have passed through the sham link can also be imported into BGP in the form of VPNv4 routes.
- D. A sham link is a link between two VPN instances, and each VPN instance must have an endpoint address of the sham link, which must be a Loopback with a 32-bit mask in the VPN address space on the PE router interface address
正解：C
質問 # 204
MPLS is called Multi-Protocol Label Switching, which description is correct about the label in MPLS? (Multiple choice)
- A. 4 bytes of fixed length on the label
- B. Labels are encapsulated between the link layer and the network layer
- C. The label stack organizes labels in a Last In First Out (Last In First Out) manner, processing labels from the top of the stack
- D. Labels are organized according to the Last In First Out (Last In First Out) method, and the labels are processed from the bottom of the stack
正解：A、B、C
質問 # 205
BGP4+ carries the next hop address of the IPv6 route through the Next_Hop attribute in the Update packet.
- A. FALSE
- B. TRUE
正解：A
質問 # 206
Which LSAs in OSPFv3 can be flooded within an area? (Multiple choice)
- A. Inter-Area-Router-LSA
- B. Inter-Area-Prefix-LSA
- C. Link-LSA
- D. Intra-Area-Prefix-LSA
正解：A、B、D
質問 # 207
After deploying PPP Multilink, data will be evenly distributed on each member link according to the source address and destination address.
- A. False
- B. True
正解：A
質問 # 208
By default, LDP adjacencies will trigger the establishment of LSP based on IP routing of 32-bit addresses.
- A. True
- B. False
正解：A
質問 # 209
Regarding the role of ping and tracert, which of the following statements is correct?
- A. ping verifies the reachability from the local end to the peer end, it does not mean that the peer end to the local end must be reachable
- B. tracert has the same function as ping, but the name is different
- C. Ping detects the two-way reachability of the correct end through the one-way icmp echo request message
- D. Tracert must be able to trace the IP address of each hop from the source to the destination
正解：A
質問 # 210
Which of the following will not cause the VRRP backup group to flap?
- A. Link flapping for transmitting VRRP advertisement packets
- B. The time interval of the notification message is too small
- C. The VRRP backup group preemption delay configuration of the two countries is inconsistent
- D. Packet loss on the backup device interface
正解：C
質問 # 211
If the temperature of the device is found to be too high, it can be concluded that the fan has failed.
- A. FALSE
- B. TRUE
正解：A
質問 # 212
In BGP4+, what is the content of the next hop network address field carried by the AP_REACH_NLRI attribute in the Update message?
- A. Only link-local addresses
- B. Can carry link-local addresses and global unicast addresses at the same time
- C. Can only be a global unicast address
- D. Can be just a link-local address
正解：B
質問 # 213
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. The System IDs of R3 and R1 are duplicated
- B. The IS-Levels of R3 and R1 do not match
- C. The IIH authentication of R3 and R1 failed
- D. The area numbers of R3 and R1 are different
正解：A
質問 # 214
Which statement is correct about the difference between OSPFv2 and OSPFv3? (Multiple choice)
- A. Similar to OSPFv2, OSPFv3 uses a multicast address as the destination address of OSPF packets
- B. Both OSPFv2 and OSPFv3 support interface authentication, and OSPFv3 authentication is still implemented based on the fields in the OSPF packet header
- C. OSPFv2 and OSPFv3 have the same type of packets: Hello, DD, LSR, LSU, LSAack
- D. The protocol number of OSPFv2 in the IPv4 header is 89, and the next header number of OSPFv3 in the IPv6 header is 89
正解：A、D
質問 # 215
Which of the following sequences can be matched by the regular expression 100.S? (Multiple choice)
- A. 0
- B. 1
- C. 2
- D. 3
正解：C、D
質問 # 216
When troubleshooting TELNET login failure, which step should be done first?
- A. Check whether the protocol configuration allowed for access in the VTY type user interface view is correct
- B. Check whether the number of users logging in to the device has reached the upper limit
- C. Check whether the client can ping the server
- D. Check whether ACL is configured in the VTY user interface view on the device
正解：C
質問 # 217
R1 contains the configuration shown in the figure, which of the following statement about IS-IS process 1 is correct?
- A. The device type of R1 is Level-1-2
- B. The device type of R1 cannot be determined
- C. The device type of R1 is Leve-2
- D. The device type of R1 is Level-1
正解：A
質問 # 218
DHCP Snooping is a DHCP security feature that can be used to defend against a variety of attacks, including ( ). (Multiple choice)
- A. Defense against DHCP spoofing attacks
- B. Defense against man-in-the-middle attacks and IP/MAC Spoofing attacks
- C. Defense against TCP flag attacks
- D. Defense against starvation attacks that change the CHADOR value
正解：A、B、D
質問 # 219
Which of the following descriptions about the LDP Sessioni establishment process is correct? (Multiple choice)
- A. If the Hello Messager does not carry the Transport Address
- B. Two LSRs send Hello messages to each other. The Hello message carries the transport address, and the party with the larger transport address acts as the active party and initiates the establishment of a TCP connection.
- C. If the passive party can accept the relevant parameters, it will send an InitializationMessage and a Keepalive message to the active party.
- D. The active party will send an Advertisement Message to negotiate relevant parameters for establishing an LDP session, including the LDP protocol version, label distribution method, Keepalive retention timer value, maximum PDU length, and label space.
正解：A、B、C
質問 # 220
Which of the following BGP routing attributes cannot control BGP routing?
- A. AS Path
- B. MED
- C. Originator ID
- D. Community
正解：D
質問 # 221
Which of the following is a description of the process of establishing an LSP using the downstream autonomous label publishing method and the ordered label control method? (Multiple choice)
- A. The LSP establishment process actually binds the FEC and the label, and advertises the binding to the neighboring LSRs on the LSP
- B. When the node LSR receives the label mapping message, it also needs to add the corresponding entry in the label forwarding table
- C. If the outgoing node has a label available for allocation, it will allocate a label to the FEC and actively send a label mapping message to the upstream.
- D. The edge node finds that a new destination address that does not belong to any existing FEC appears in its routing table, and will not create a new FEC corresponding to it.
正解：A、B、C
質問 # 222
A router runs OSPF, and the output information is shown in the figure. Which of the following statements is correct?
- A. The type of the LSA is AS-external-LSA
- B. This device is an ABR
- C. The destination network described by this LSA is 10.0.23.0/24
- D. The LSA in the figure is generated by this router
正解：C
質問 # 223
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華為H12-831-ENU試験は、60問の多肢選択問題から構成されるコンピュータベースの試験です。試験時間は90分で、合格点は60％です。試験は英語で実施され、候補者は世界中の華為テストセンターで試験に登録することができます。
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