Authentic Huawei H12-891_V1.0-ENU Exam Dumps PDF - Oct-2023 Updated
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Huawei H12-891_V1.0-ENU exam is an advanced-level certification exam that is designed for experienced network professionals who want to enhance their skills and knowledge in the field of data communication. Passing H12-891_V1.0-ENU exam demonstrates a candidate's proficiency in data communication technologies and helps them establish themselves as experts in the field. With this certification, candidates can enhance their career prospects and open up new opportunities in the field of data communication.
NEW QUESTION # 244
An engineer used 2 routers to test IPv6 services and simulated the interconnection between headquarters and branches by running BGP4+. The network logic topology is shown in the figure, regarding the delivery of IPv6 routes between two devices, which of the following statements is wrong?
- A. When routing is passed, the Next_Hop attribute must be an IPv6 global unicast address
- B. If the Update message carries the MP_REACH_NLRI attribute, it means that the advertisement is reachable route
- C. BGP4+ passes routing information between peers via Update packet
- D. When a route is passed, it carries a recognized mandatory attribute such as AS_Path
Answer: A
NEW QUESTION # 245
Regarding the BGP ring protection mechanism, is the following description correct?
- A. The Cluster List property is used for loop guard within the reflector cluster, and the router rejects the route when it finds that the Cluster List of the route entry contains its own Cluster ID.
- B. You can use the AS_ CONFED_SET attribute to prevent loops within a consortium.
- C. Routes learned from IBGP are not advertised to IBGP neighbors and are used to prevent routing loops inside the AS.
- D. The AS_ PATH attribute is used between autonomous systems to prevent ring cats
Answer: B,C,D
NEW QUESTION # 246
Router R1 runs the OSPF protocol, use the "display ip routing-table" command to view the routing table of the router R1, the following about the OSPF in the routing table.
Is the information described correctly?
- A. In the routing table, the routing table entries identified by the "OSPF" identifier can only pass Class 1 LSA
- B. In the routing table, the routing table entries identified by the "OSPF" identifier can be learned through the 1/2/3/5 LSA
- C. In the routing table, the routing table entry identified with the "O_ASE" identifier can only be learned by routing introduction
- D. In the routing table, route table entries identified by the "OSPF" identifier can only be learned through LSAs of Type 3
Answer: C
NEW QUESTION # 247
In an MPLS BGPVPN networking that does not enable MPLS penultimate hop pop-up technology. When the message reaches the last hop PE, the message has two layers of labels, and the two layers of label values can be the same.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 248
A medium-sized campus network manages the network through the SNMP protocol, and the campus is highly network-safe, so which version of SNMP is recommended for management?
- A. SNMPv2C
- B. SNMPv1
- C. SNMPV3
- D. All versions are available to implement
Answer: C
NEW QUESTION # 249
In the laboratory network, the network is built according to the following topology diagram, SWI is the default configuration, and SW2 disables the switch STP function.
- A. SW2 G0/0/2 enters discarding state
- B. SG0/0/2 for WI enters the Discarding state
- C. SW2 and G0/0/1 enters the Discarding state
- D. SWI's G0/0/1 enters the Discarding state
- E. No interface is backed up for blocking
Answer: E
NEW QUESTION # 250
The following description of the characteristics of Huawei device Eth-trunk link aggregation is correct?
- A. Link aggregation enables load balancing based on data TCP or UDP ports
- 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 can only be applied to Layer 2 devices.
Answer: C
NEW QUESTION # 251
What commands are related to BGP route reflectors? (Multiple select).
- A. peer reflect-client
- B. reflector cluster-id
- C. reflect between-clients
- D. group 1 internal
Answer: A,B,C
NEW QUESTION # 252
Man-in-the-middle attacks or IP/MAC spoofing attacks can lead to information leakage and other hazards, and are more common in the intranet, in order to prevent man-in-the-middle attacks or IP/MAC spoofing attacks, you can take the configuration method
- A. Limit the maximum number of MAC addresses allowed to be learned on the switch interface
- B. Configure the trusted/untrusted interface
- C. Enable DHCP snooping to check the chaddr field in a DHCP request message
- D. Configure DHCP snooping on the switch to interbolde with DAI or IPSG
Answer: D
NEW QUESTION # 253
The following statement about IPSG technology is correct (single choice).
- A. The IPSG can perform binding table match checks on IP packets entering and leaving the interface.
- B. If an interface is configured as the OKCP Scooing Tust interface, the interface can normally receive DHCP ACK and DHCPNAK responded to by the OHHNP server and DHCPOffer packets, other untrusted ports cannot receive these packets properly.
- C. On Huawei routers, ipSG functions can be configured in Vlanif.
- D. The ip source checkuser-bind check-item command is used to configure VLAN- or interface-based IP packet checks, which take effect for both dynamic and static table entries.
Answer: B
NEW QUESTION # 254
The following about BGP routing, what is the wrong description?
- A. In the case of PrefVal, Local_Preference equality, if the BGP preference of the locally generated route, IBGP route, EBGP route is equal, the valid reference of this generation is preceded by priority.
- B. For next_hop unreachable routes are invalid cat by and do not participate in the preference. Flogging case
- C. Non-aggregate routes take precedence over aggregate routes.
- D. See the following entry in the BGP routing table: * *172 16 1. 11/32 0 00010 0? Indicates that the route is available non-optimal.
Answer: C
NEW QUESTION # 255
In the VXLAN implementation, the mapping relationship between VNI and BD is
- A. 1:1
- B. N:1
- C. 1:N
- D. N: M
Answer: A
NEW QUESTION # 256
CORRECT TEXT
What information does this contain in a basic layer packet? (Multiple choice)
- A. Data link layer header
- B. Upper-level data
- C. path records
- D. Network Layer Tail
- E. The network layer header
Answer: B,E
NEW QUESTION # 257
In Huawei devices, when SIS introduces external routes and sets external route tags for route information, the Metric type of ISIS does not need to be modified and remains default.
- A. True
- B. False
Answer: B
NEW QUESTION # 258
There is a concept of FEC-Forwarding Equivalence Class in MPLS, so what criteria can FEC not allocate based on?
- A. Destination Address
- B. Class of Service
- C. Fragment offset
- D. Application Protocol
Answer: C
NEW QUESTION # 259
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Huawei H12-891_V1.0-ENU (HCIE-Datacom V1.0) Certification Exam is a comprehensive exam designed for professionals who want to validate their advanced-level skills in data communication technologies. HCIE-Datacom V1.0 certification exam is intended for professionals who have a strong desire to enhance their skills and knowledge in the field of data communication technologies, including network design, implementation, troubleshooting, and optimization. H12-891_V1.0-ENU exam is designed to assess the knowledge and skills of the candidates in the advanced level of data communication technologies and to evaluate their ability to design, implement, and manage complex data communication networks.
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