High pass rate
As what have been demonstrated in the records concerning the pass rate of our H12-891_V1.0 free demo, our pass rate has kept the historical record of 98% to 99% from the very beginning of their foundation. During these years, our PDF study exam stays true to its original purpose to pursue a higher pass rate that has never been attained in the past. Although at this moment, the pass rate of our H12-891_V1.0 test torrent can be said to be the best compared with that of other exam tests, our experts all are never satisfied with the current results because they know the truth that only through steady progress can our H12-891_V1.0 preparation materials: HCIE-Datacom V1.0 win a place in the field of exam question making forever. Therefore, buying our actual study guide will surprise you with high grades.
Many benefits after certification
It is well known that under the guidance of our H12-891_V1.0 PDF study exam, you are more likely to get the certification easily. But I think few of you know the advantages after getting certificates. Basically speaking, the benefits of certification with the help of our H12-891_V1.0 practice test can be classified into three aspects. Firstly, with the certification, you can have access to big companies where you can more job opportunities which you can't get in the small companies. Secondly, with our H12-891_V1.0 preparation materials: HCIE-Datacom V1.0, you can get the certificates and high salaries. As you know, salaries are commensurate to skills while certificates represent skills. Therefore, you are sure to get high salaries with certification after using our H12-891_V1.0 test torrent. Last but not the least, after you enter into large companies with certification, you can get to know more competent people, which can certainly enlarge your circle of friends.
Have you still considered about the shadow cast by the previous exams? Do you still feel sad about those bad performances? If so, you may as well choose our H12-891_V1.0 test torrent to help you get rid of those terrible memories. As a matter of fact, why our H12-891_V1.0 preparation materials: HCIE-Datacom V1.0 can be conducive to your exam is owing to the following three aspects.
Convenience for the PDF version
As far as our H12-891_V1.0 practice test is concerned, the PDF version brings you much convenience with regard to the following two aspects. On the one hand, the PDF version contains demo where a part of questions selected from the entire version of our H12-891_V1.0 test torrent is contained. In this way, you have a general understanding of our actual prep exam, which must be beneficial for your choice of your suitable exam files. On the other hand, our H12-891_V1.0 preparation materials: HCIE-Datacom V1.0 can be printed so that you can study for the exams with papers and PDF version. With papers, you can make notes anytime you think necessary while with the PDF version of H12-891_V1.0 practice test, you can quickly look through the exam files and do exercises. With such benefits, why don't you have a try?
Huawei H12-891_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Routing and Switching Technologies | 37% | - Network Quality and Optimization
|
| Topic 2: Bearer WAN Planning and Deployment | 15% | - High-level Technology Deployment
|
| Topic 3: Campus Network Planning and Deployment | 23% | - Campus Network Service Deployment
|
| Topic 4: WAN Interconnection Network Planning and Deployment | 8% | - WAN Service Optimization
|
| Topic 5: Network Automation Technologies and Practice | 17% | - Huawei Automation Solutions
|
Huawei HCIE-Datacom V1.0 Sample Questions:
In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following fields is NOT carried in BGP EVPN Type 5 routes?
- A. IP Prefix Length
- B. MAC Address
- C. GW IP Address
- D. Route Distinguisher
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
In an MPLS VPN network, two-layer MPLS labels are added into data packets before they are transmitted over the public network. Which of the following statements regarding data packet processing are correct?
- A. The IP data packet received by egress LSR is without labels.
- B. The penultimate hop removes the outer label before forwarding the data packet to a peer egress PE.
- C. The egress PE sends the data packet to the correct VPN based on the inner label.
- D. The penultimate-hop device receives a packet with an outer label.
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
According to the following information displayed on a router, which of the following are the causes of the failure in establishing an OSPF adjacency relationship?
OSPF error statistics:
1: Hello timer mismatch
0: Netmask mismatch
0: Bad checksum
0: Bad authentication type
0: Unknown neighbor
0: Extern option mismatch
- A. The IP address masks of the interfaces are inconsistent.
- B. The area IDs are inconsistent.
- C. Hello packets are sent at different intervals.
- D. The area types are inconsistent.
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
Fill in Blank
The ________ command can be run to completely isolate Layer 2 and Layer 3 of different interfaces in a VLAN. (Use lowercase letters to supplement the command, which cannot be abbreviated.)
portisolateenable
Explanation:
The command port-isolate enable is used on Huawei switches to completely isolate traffic at both Layer 2 and Layer 3 between different interfaces within the same VLAN. This isolation prevents any communication between isolated ports-even if they belong to the same subnet or VLAN-making it a critical security feature in multi-tenant environments.
Usage Context:
Often used in shared service or hotel network scenarios.
Can be applied in access port configurations.
Does not require additional VLAN creation or private VLAN features.
Huawei Datacom Reference:
"To completely isolate Layer 2 and Layer 3 communication between interfaces in the same VLAN, run the port-isolate enable command under the interface view." (Source: HCIE-Datacom Study Guide V3.0 - Chapter: VLAN & Security Technologies, Section: Port Isolation)
Fill in Blank
As shown in the figure, R1, R2, R3, and R4 reside in the same MPLS domain, and LDP (Label Distribution Protocol) is used to distribute MPLS labels.
R4 is the egress LSR (Label Switching Router) for the FEC (Forwarding Equivalence Class) 4.4.4.0/24.
To make R4 aware of QoS forwarding priority of a packet sent from R1 and destined for 4.4.4.0/24, Without looking up R4's label forwarding information base, The outgoing label of the FEC on R3 should be _____ (Enter an Arabic numeral without symbols).
0
Explanation:
Understanding MPLS LDP and PHP (Penultimate Hop Popping):
✔ Label Distribution in MPLS LDP:
LDP assigns labels to FECs so that routers can forward packets based on labels rather than IP lookup.
Labels are advertised downstream (from R4 to R3, R3 to R2, and so on).
✔ Penultimate Hop Popping (PHP) Concept:
The egress LSR (R4) does not require an incoming label for 4.4.4.0/24.
Instead, R3 (Penultimate LSR) removes the label before forwarding the packet to R4.
R3 forwards the packet as an IP packet, not an MPLS packet, to avoid an unnecessary label lookup at R4.
In MPLS LDP, the label "0" is used to indicate an implicit NULL label (PHP operation).
Why the Answer is "0" (Implicit NULL Label)?
✅ Since R4 is the egress LSR, it does not need a label for 4.4.4.0/24.
✅ R3 assigns the outgoing label as "0" (Implicit NULL Label) to indicate that the label should be removed before sending to R4.
✅ R4 receives the packet as a pure IP packet (no MPLS label).
Why Other Answers Are Incorrect?
❌ Any value other than "0"
If R3 assigns a label (e.g., 100), R4 would need to perform an unnecessary MPLS lookup, which is inefficient.
Using "0" ensures PHP occurs, optimizing the forwarding process.
📖 Reference: Huawei HCIE Datacom - MPLS LDP and Penultimate Hop Popping (PHP)
1379 Customer Reviews
