[2023年11月10日] 365日更新、有効なH12-891_V1.0知能問題集
ベスト品質のH12-891_V1.0試験問題集でHuaweiテスト高得点を目指そう
華為のH12-891_V1.0（HCIE-Datacom V1.0）認定試験は、幅広い準備と勉強が必要な厳しい試験です。候補者には、複雑なネットワーク環境での実務経験と共に、データ通信技術に関する強い理解が推奨されます。
HCIE-Datacom V1.0認定試験は、ネットワークデザインと計画、ネットワークセキュリティ、ネットワーク仮想化、ネットワーク最適化、およびネットワークトラブルシューティングなど、データ通信技術に関連する広範なトピックをカバーしています。試験に合格した候補者は、複雑なデータ通信ネットワークを設計、実装、および管理する能力を示します。
Huawei H12-891_V1.0（HCIE-DATACOM V1.0）認定試験は、データ通信技術を専門とする専門家向けに設計された高度なレベル認証試験です。この試験は、複雑なデータ通信ネットワークの設計、実装、およびトラブルシューティングにおける個人の知識、スキル、および専門知識をテストすることを目的としています。認定試験では、ネットワークアーキテクチャ、ネットワークプロトコル、ネットワークセキュリティ、ネットワーク仮想化、データセンターテクノロジーなど、さまざまなトピックをカバーしています。
質問 # 116
MPLS is called multiprotocol label switching, and with respect to label descriptions in MPLS, the correct one is ?( Multiple select).
- A. MPLS supports single-layer tags as well as multi-tier tags
- B. A tag is a fixed-length, locally only meaningful identifier that uniquely identifies the FEC to which a group belongs
- C. The MPLS system has a variety of label publishing protocols, such as LDP is a label publishing protocol
- D. The label is carried by the head of the MPLS message and has a global significance, that is, the label value of all routers cannot repeat
正解：A、B、C
質問 # 117
WRED is configured on the newly deployed router HW. What is the correct description of the WRED features below? (Multiple choice questions).
- A. WRED can set different drop thresholds and packet loss rates for packets of different priority
- B. Low-bandwidth traffic is easier to drop than high-bandwidth traffic
- C. When the flow exceeds the minimum threshold, WRED begins to discard all inlet flow (tail drop)
- D. Avoid global synchronization by selectively dropping multiple TCP streams
正解：A、D
質問 # 118
Regarding route Policy, the following description is correct as ?( Multiple selection) Multiple selection
- A. Route-Policy can filter only the default route
- B. The table entry exceed::0 less-equal 128 indicates that all IPv6 routes are allowed through
- C. If more than one node is defined in Route-policy, at least one node in each node should have a matching pattern of permit
- D. Advanced ACLs can be applied in route-policy to filter routes
正解：A、B、C
質問 # 119
In an MPLS BGPVPN environment, if tags are distributed only through BGP and LDP, the MPLS tags of the message can be up to two layers of tags
- A. True
- B. False
正解：A
質問 # 120
What is the following description of LDP reliability?
- A. LGP GR (Graceful Restart) takes advantage of the high difference between the LS forwarding plane and the control plane to realize that the device forwards without interruption when the protocol is restarted or the master-standby is reversed
- B. Manually configured LDP FRR policy defaults to a 32-bit backup route that triggers LDP to establish a backup ISP
- C. LDP and LGP linkage, the need for IGP to suppress the release of routes, to ensure that LDP and LGP paths are consistent
- D. The LDP ERR can also generate an ISP for a tag map from a non-optimal next hop, and create a forwarding table entry as a backup of the primary LSP
正解：B
質問 # 121
The following description of the PPPoE data frame is correct?( Multiple choice questions).
- A. Once a PPPoE session is established, all Ethernet packets are unicast
- B. When PPPoE passes session data, Code must be set to Ox0
- C. The Session_ID of the PPP session is not allowed to change and must be the specified in the Discovery phase
- D. The Ethernet_Type domain is fixed to Ox8863
正解：B、C
質問 # 122
In which of the following cases, RSTP refreshes the MAC address table?( Multi-select)
- A. When the port state transitions from Forwarding to Disking
- B. When the status of a port changes
- C. Only when the port state transitions from Listening to Disccarding
- D. CE when the port state transitions from Disking to Forwarding
- E. When a topology change notification is received
正解：D、E
質問 # 123
ISIS does not send CSNP packets under the P2P network type during the neighbor establishment process.
- A. False
- B. True
正解：A
質問 # 124
A company deployed SSM multicast, in order to save the bandwidth consumption of multicast data in the LAN, the network administrator made the following configuration on the switch
- A. False
- B. True
正解：A
質問 # 125
RD is used to distinguish between the same IP address in different VPNs, and how many bits (radio) the RD contains
- A. 0
- B. 1
- C. 16
D,128
正解：B
質問 # 126
What kind of scenario can use AS one path and one filter?
- A. Filter routes received from BGP neighbors based on the AS PATH attribute that the route carries. For example, the command peer x.X.x.x as path-filter import
- B. The apply clause in Routepolicy
- C. If-natch clause answer in Route-policy.
- D. Filter routes sent to BGP neighbors based on the AS PATH attribute that the route carries. For example, the command peerx. X.x.x as path-filter export
正解：A、C、D
質問 # 127
?? ipIp- prefoi p prefierame lndeindeoxrunmber)( pemit demy)ip+4adrssmasklengh gratrequa grater-cqual abel]lescqualesequl ole) for * Pprefofiier? If a pre-list of tooequal has been specified, but the greater-equal has not been specified, then how much of the prefix's range is sufficient?(). Radio neck).
- A. [less-equal-value,32]
- B. [0, less-equal-value]
- C. No limit
- D. [mask-length, less-equal-value]
正解：D
質問 # 128
Which of the following scenarios is not suitable for deploying interface policy routing?
- A. In the scenario of multiple ISP egresses of enterprise networks, different network segments of the intranet access the Internet through different ISP egresses
- B. Pull the traffic of the intranet and the Internet accessing each other on the core switch to the AC device attached to the side
- C. Modify the next hop of locally originating traffic
- D. The traffic accessed by the intranet and the extranet to the side-mounted security detection device is pulled on the core switch
正解：C
質問 # 129
During the LDPsession setup process, the active party first sends the Illitalization information to negotiate the parameters, and if the passive party does not accept the negotiation parameters, which of the following messages will be sent? <(Single select).)
- A. Hello Message
- B. Keepalive Message
- C. Error Notification Message
- D. Initialization Message
正解：C
質問 # 130
The following statement about the alliance is correct?( Single choice questions).
- A. Subsystems within a consortium can use private AS numbers. Huawei NE/AR routers, a consortium can be configured with up to 32 subsystems
- B. The subas number of the consortium, which by default notifies BGP peers outside the consortium
- C. The consortium divides an AS into sub-AS, and the alliance external AS still considers the consortium to be an AS
- D. Consortium can easily detect the routing loop within the AS because EBGP is running between the subAS.
正解：B
質問 # 131
The following message about OSPFV3 is correct?
- A. LSR packets containing the full LSA header information for requesting an update to the LSA
- B. The LSACK message contains LSA header information to confirm receipt of the LSU message
- C. The Hello message must contain the interface ID of the sending interface
- D. The Option field of the Hello and DD packets extends to 24-bit
正解：B、C、D
質問 # 132
The interface Serial0 of an existing router is in OSPF area 1, and the interface Serial0 is set to Silent interface.
So what kind of impact will this setting have
- A. OSPF does not establish any neighboring relationships through this interface
- B. OSPF does not add routes learned from the interface to the local routing table
- C. OSPF receives routing updates from neighbors
- D. OSPF establishes available adjacencies through this interface
正解：A
質問 # 133
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