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The HCIE-Datacom certification is one of the highest levels of certification offered by Huawei in the data communication field. This certification validates the candidate's ability to design and implement large-scale data communication networks, including advanced technologies such as MPLS, VPN, and multicast. The exam covers a wide range of topics, including network design, network implementation, network maintenance, network troubleshooting, and network security. Passing the Huawei H12-891_V1.0-ENU exam demonstrates that the candidate has the knowledge and skills required to take on complex data communication projects and lead a team of network engineers.
The Huawei H12-891_V1.0-ENU (HCIE-Datacom V1.0) Certification Exam is recognized by organizations around the world as a symbol of excellence in the field of data communication and networking. Individuals who hold this certification are highly valued by employers and are often sought after for their expertise and knowledge. The certification is also a valuable asset for those who are looking to advance their careers in this field.
NEW QUESTION # 327
The command ip as-path-fiter as-path-fiter-number (denylpermit) regular-expression to configure as-path-ilter, in this command, multiple sentences can form an as-path-filter statement, what is the relationship between so many statements?
- A. Routes match in order and routes need to match all sub-directions
- B. or relationships
- C. Routes match in order When a route matches to a clause, the relationship between
- D. and is no longer matched downwards
Answer: C
NEW QUESTION # 328
The following description of the characteristics of Huawei device Eth-trunk link aggregation is correct?
- A. Link aggregation cannot be deployed across devices
- B. Link aggregation can be applied to Both Layer 2 and Layer 3 devices
- C. Link aggregation can only be applied to Layer 2 devices.
- D. Link aggregation enables load balancing based on data TCP or UDP ports
Answer: B
NEW QUESTION # 329
A company network runs the OSPF protocol, a project in order to understand the OSPF mechanism in the network to perform packet transfer operations, the following description of ospf messages is correct?
- A. LS update packet is sent only when the adjacency relationship is established
- B. The interface sends a Hello packet immediately after joining the OSPF region
- C. LS update packet synchronizes the link state database by sending detailed LSA information 2
- D. When an LsUpdate packet is received, the router must send an LsAck acknowledgment
Answer: B,C
NEW QUESTION # 330
Host HW1 in the HW device network Wants to join a video conference, so what does that host do?
- A. The IGMPv2 membership report is sent over multicast in the local network, and the multicast address carried in the IGMPv2 membership report is the multicast address that you want to join
- B. The IGMPV2 membership report is sent over multicast in the local network, and the destination multicast address of the IGMPv2 membership report is "All PIM Routers" 224002 Multicast address
- C. Sends an IGMPv2 membership report to the default router unicast of the local network
- D. Sends a unicast IGMPv2 membership report to the RP
Answer: A
NEW QUESTION # 331
Huawei's two switches SWA and SWB are connected together by 7 Ethernet cables, and static link clustering is configured, and the corresponding port on the switch SWA is Ethernet 1/0/1?Ethernet1/0/2?Ethernet 1/0/3?Ethernet 1/0/4?Ethernet 1/0/5, Ethernet1/0/6, Ethernet 1/0/7, configured in order of port if the switch SWA, SWB supports only 6 ports per aggregation group
- A. In the case of consistent configuration of each port, the Ethernet1/0/1 port is an aggregate group Unselected port
- B. With the same configuration of each port, SWA randomly selects one of the 7 ports as the aggregate group Unselecte port
- C. In the case of consistent configuration of each port, Ethernet 1/0/6 port is an aggregate group Unselected port
- D. With the same configuration of each port, the Ethernet 1/0/7 port is the aggregate group Unselecte port
Answer: D
NEW QUESTION # 332
The flood range in OSPFv3 is the LSA within the entire autonomous system?
- A. Inter-Area-Prefix-LSA
- B. Link-LSA
- C. Intra-Area-prefix-LSA
- D. AS-external-LSA
Answer: D
NEW QUESTION # 333
The following statement about the VPNv4 address is wrongly described as?
- A. The VPNv4 address has a total of 12 bytes, including an 8-byte route identifier RD (Route Distingulisher) and a 4-byte IPv4 Address prefix.
- B. By default, PE does not perform VPN-target filtering on received VPNv4 routes.
- C. Local PE sets up An Export Target for these routes before releasing VPNv4 routes learned from sites that are directly connected to them to other PEEs attributes, and are published with routes as extended community attributes for BGP.
- D. Carries the RD attribute when BGP publishes both reachable and unreachable VPNv4 routes.
Answer: B
NEW QUESTION # 334
There are two Communily filters: ip comimuniy-lite lpemit 101201 ip community fiter 2permit101 ip commmuriyfilter 2pemit21 Regarding the above ommuniyfiter, the correct description is? (Multiple choice questions).
- A. The BGP route matches community-filter 1 only if the community attribute values carried in the BGP route contain 100:1 and 200:1
- B. As long as the group attribute value carried in the BGP route contains 100:1 or 200:1, or both, the BGP route matches the community-filterl
- C. A BGP route matches community-filter2 only if the group attribute values carried in the BGP route include 100:1 and 200:1
- D. As long as the group attribute value carried in the BGP route contains 100:1 or 200:1, or both, the BGP route matches community-filter2
Answer: A,D
NEW QUESTION # 335
Regarding route Policy, the following description is correct as? (Multiple selection) Multiple selection
- A. Route-Policy can filter only the default route
- B. If more than one node is defined in Route-policy, at least one node in each node should have a matching pattern of permit
- C. The table entry exceed::0 less-equal 128 indicates that all IPv6 routes are allowed through
- D. Advanced ACLs can be applied in route-policy to filter routes
Answer: A,B,C
NEW QUESTION # 336
As shown in the figure,
in the context of IPv4 and IPv6, the SEL field in the NET address of the ISIS is always valued as 00?
- A. True
- B. False
Answer: A
NEW QUESTION # 337
In the following topology diagram,
R1 can be established between R2 and R3 fetches the Internet, RI and R2, R1 and R3 EGP connections, R2, R3 belong to the same AS. The default routes are issued through BGP separately, requiring R2 to be preferred for traffic accessed by RI to the Internet, and the following practices can be achieved
- A. R1 specifies that peer R3 sets the MED property to 150 in the import direction
- B. R1 specifies the peer R2 sets the local priority in the import direction to 150
- C. R2 specifies that peer R1 is in export. The direction setting local priority is 150
- D. R2 specifies peer R1 in the export direction setting MED property to 150
Answer: A,B
NEW QUESTION # 338
?? 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. [0, less-equal-value]
- B. [less-equal-value,32]
- C. No limit
- D. [mask-length, less-equal-value]
Answer: D
NEW QUESTION # 339
CORRECT TEXT
Regarding the tag space for MPLS, the description is incorrect
- A. the tag is popped up by default and the message is sent to the last hop
- B. 16-1023 is a label control shared by static LSPs and static CR-LSPs
- C. When the penultimate hop LSR performs a label swap, if the swapped tag value is found to be
- D. Above 1024 is the tag space shared by dynamic signaling protocols such as LDP, RSVP-TE, MP-BGP, etc
Answer: A
NEW QUESTION # 340
WRED is configured on the newly deployed router HW.
What is the correct description of the WRED features below? (Multiple choice questions).
- A. When the flow exceeds the minimum threshold, WRED begins to discard all inlet flow (tail drop)
- B. Avoid global synchronization by selectively dropping multiple TCP streams
- C. WRED can set different drop thresholds and packet loss rates for packets of different priority
- D. Low-bandwidth traffic is easier to drop than high-bandwidth traffic
Answer: B,C
NEW QUESTION # 341
The following description of ISIS's routed infiltration is correct? (Multi-select)
- A. Route infiltration of ISIS is used to prevent routing loops.
- B. ISIS routing penetrates | Can be used in Pv6 environments.
- C. Route penetration of ISIS does not cause neighbor concussions.
- D. Route penetration for ISIS does not include aggregated routes.
- E. Route penetration for ISIS can be deployed on Level-1 routers.
Answer: B,C
NEW QUESTION # 342
Which of the following scenarios is not suitable for deploying interface policy routing?
- A. Pull the traffic of the intranet and the Internet accessing each other on the core switch to the AC device attached to the side
- B. The traffic accessed by the intranet and the extranet to the side-mounted security detection device is pulled on the core switch
- C. Modify the next hop of locally originating traffic
- D. In the scenario of multiple ISP egresses of enterprise networks, different network segments of the intranet access the Internet through different ISP egresses
Answer: C
NEW QUESTION # 343
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