NEW 2023 Certification Sample Questions H12-891_V1.0-ENU Dumps & Practice Exam
H12-891_V1.0-ENU Deluxe Study Guide with Online Test Engine
The exam is intended for experienced network engineers and architects who are familiar with Huawei's data communication products and technologies. Candidates must have a solid understanding of network protocols, routing, switching, and security. They must be able to design and implement complex network solutions using Huawei's products and technologies. Additionally, candidates must have experience managing and troubleshooting network issues.
NEW QUESTION # 247
You need to access the subnets of different VPNs in the VXLAN network, such as information about one subnet Bottom: RT=10:1ORT.100:1000 Export 1000 in EVPN instance and RT-100-100 in VPN instance.
Which of the following can be basketed for another subnet?
- A. In VPN instances, it is 10:10
- B. All EVPN instances are 1000:1000
- C. EVPN implements 1000:1000 export
- D. 1000:1000 appears in VPN instances
Answer: C,D
NEW QUESTION # 248
In OSPFv3, Router-LSA is generated by each router, which describes the interface address and cost of the router's links, as well as the RouteriD of the neighbor router.
- A. True
- B. False
Answer: B
NEW QUESTION # 249
A VRRP virtual router configuration VRID is 3 and the virtual IP address is 100.1.1.10, so what is the virtual MAC address?
- A. 01-00-5E-00-01-54
- B. 01-00-5E-00-01-03
- C. 00-00-5E-00-01-03
- D. O0-00-5E-00-01-64
Answer: C
NEW QUESTION # 250
Users within a typical VPN can only communicate with each other, not with Internet users, and with Internet. But VPN individual sites may have access to internet's needs. The correct description of the implementation of VPN interconnection with internet is? (Multiple choice questions).
- A. Implementing a complex implementation on PE and having security implications, PE devices may be subject to Dos attacks on the Internet.
- B. Implemented on the user side, the implementation method is simple, and the public network and private network routes are isolated, safe and reliable.
- C. is implemented on the user side, and the CE is directly connected to the Internet. Each user site can be connected to the Internet separately, that is, the CE of each site is configured with a default route to the Internet.
- D. Implemented on PE, the PE device issues a default route to the CE to the Internet and adds a default route to the VPN instance routing table pointing to the Internet Gateway o
Answer: A,B,C,D
NEW QUESTION # 251
In 0SPFv3, Router-LSA is generated by each router, which describes the interface address and cost of each link of the router, and also includes the RouterlD of the neighbor router
- A. True
- B. False
Answer: B
NEW QUESTION # 252
In a network in MPLSVPN, different CE devices can exchange routing information with the same PE device using different routing protocols, and different CE devices can exchange routing information with the same PE. The routing protocols used between devices are independent of each other
- A. True
- B. False
Answer: A
NEW QUESTION # 253
What are the reasons why the BGP connection is down after it is successfully established? (Single choice questions) Single choice
- A. After the BGP connection is established, the keepalive message is not received within the negotiated hold time time.
- B. The mandatory attribute in the route update packet is missing.
- C. Open message negotiation failed.
- D. The wrong BGP packet was received.
Answer: C
NEW QUESTION # 254
The switch SWA and SWB are connected together by 2 Ethernet links, where the switch SWA has the following interface configuration:
- A. Without changing the current configuration, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 can join the same aggregation group
- B. Only if the configuration of GigabitEthernet 1/0/2 is changed to match GigabitEthernet 1/0/1 can the two join the same aggregation group
- C. Because of the different VLANs allowed, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 cannot join the same aggregation group
- D. After link clustering is configured on both SWA and SWB, if MSTP is enabled on the switches SWA and SWB Both GigabitEthernetl1/0/1 and GigabitEthernetl/O/2 are the forwarding status of MSTP
Answer: B,C
NEW QUESTION # 255
In broadcast networks, elections to DIS begin only after a neighbor relationship has been established
- A. True
- B. False
Answer: A
NEW QUESTION # 256
The following is the correct description of the aggregation of BGP? (Single Choice Questions).
- A. By default, BGP enables automatic aggregation
- B. After you configure aggregate ipv4-address mask, only aggregate routes are published, not detail routes.
- C. You can manually aggregate the routes in the BGP local routing table with a profile
- D. For IPv6 routing, BGP supports manual coalescing and automatic aggregation
Answer: C
NEW QUESTION # 257
The following description of the characteristics of Huawei device Eth-trunk link aggregation is correct?
- A. Link aggregation can only be applied to Layer 2 devices.
- B. Link aggregation cannot be deployed across devices
- C. Link aggregation can be applied to Both Layer 2 and Layer 3 devices
- D. Link aggregation enables load balancing based on data TCP or UDP ports
Answer: C
NEW QUESTION # 258
What are the wrong statements about OSTPF's Router LSA and Network LSA?
- A. There must be both Router LSA and Network LSA in the OSPF network
- B. Network LSA carries both topology and routing information
- C. A router running OSPF must produce a Router LSA
- D. A router running OSPF must produce a Network LSA
Answer: A,D
NEW QUESTION # 259
Command IP as-path-filter1 permit^12,*74$ can match to which AS_PSTH?
- A. AS_PATH(32127423)
- B. AS_PATH(321122374)
- C. AS PATH Q236217? 2374)
- D. AS_PATH(125 328 74 23)
Answer: C
NEW QUESTION # 260
MPLS is called multiprotocol label switching, and with respect to label descriptions in MPLS, the correct one is? (Multiple select).
- A. 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
- B. MPLS supports single-layer tags as well as multi-tier tags
- C. The MPLS system has a variety of label publishing protocols, such as LDP is a label publishing protocol
- D. A tag is a fixed-length, locally only meaningful identifier that uniquely identifies the FEC to which a group belongs
Answer: B,C,D
NEW QUESTION # 261
As shown in the topology diagram, all interfaces of the router in the figure are enabled with the ISIS protocol, and the following statement is correct.
- A. If R3's G E0/0/0 interface goes down, R2 becomes the master device
- B. If the Ri's Ethernet0/0/1 interface goes down, R2 becomes the master device
- C. If R3's Ethernet0/0/0 interface goes down, then R2 becomes the master device
- D. If the RI's Ethernet0/0/0 interface goes down, R2 becomes the master device
Answer: A,B,D
NEW QUESTION # 262
As shown in the FIGURE, in the HUB & Spoke networking mode of MPLS BGPVPN, in order to achieve the division, it can only communicate with the headquarters. Divisions cannot communicate with each other, and the settings for RT can be which of the following scenarios? (Multiple choice questions).
- A. ??: lmport Target: 22; Export Target: 33?? 1: lmport Target: 33; Export Target: 1:1?? 2:lImport Target: 33; Export Target: 2
- B. ??: lmport Target:123; Export Target: 3:12?? 1:Import Target: 312; Export Target:123 ?? 2:Import Target: 3:12; Export Target: 12:3
- C. ??: Ilmport Target: 1:1l; Export Target: 3:3?? 1: Import Target: 33; Export Target: 1.1?? 2:lmport Target: 3:3; ExportTarget: 2
- D. ??:Import Target: 123; Export Target:123?? 1: lmport Target:123; Export Target:123?? 2:lmport Target: 12: 3; Export Target: 123
Answer: B
NEW QUESTION # 263
Regarding the certification of the ISIS protocol, there is a correct statement
- A. After configuring the connection authentication, the IIH issued by the router must carry the authentication TLV
- B. After configuring zone authentication, the router issues an IIH, SNP, LSP-strap-to-tape authentication TLV
- C. Connection authentication can realize the authentication of the hello messages of Leve-1 and Leve-2
- D. The two routers are configured for area authentication and interface authentication, and the passwords are the same, so the two can establish an isocopied relationship
Answer: A,C
NEW QUESTION # 264
What check frames can IPSG set?
- A. Out of the interface
- B. MAC address
- C. IP address
- D. VLAN ID
Answer: B,C,D
NEW QUESTION # 265
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. True
- B. False
Answer: B
NEW QUESTION # 266
CORRECT TEXT
When configuring the source NAT and having no pat configuration parameters, which of the following statements is true? (Radio)
- A. Perform destination IP address and destination port translation
- B. Only source P address translation occurs
- C. Only destination IP address translation occurs
- D. Simultaneous source P address and source port translation
Answer: B
NEW QUESTION # 267
What does RT do in MPLS VPN? Multiple choice questions).
- A. Allows the peer CE to decide which VPNv4 routes to import into a particular VRF
- B. Allows the peer PE to decide which VPNv4 routes to import into a particular VRF
- C. Allows the peer CE to decide which VPNv4 routes not to import into a particular VRF
- D. Allows peer PE to decide which VPNv4 routes not to import into a particular VRF
Answer: B,D
NEW QUESTION # 268
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In the digital era, where the demand for a fault-tolerant, robust, and high-speed network infrastructure cannot be overemphasized, the HCIE-Datacom V1.0 certification exam is more relevant than ever before. As businesses continue to operate in an increasingly complex and unpredictable networking environment, with the influx of IoT, Artificial Intelligence, and Edge computing, the demand for certified network engineers continues to skyrocket.
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