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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Campus Network Planning and Deployment | 23% | - CloudCampus Deployment
|
| Network Automation | 17% | - Huawei Automation Tools
|
| Advanced Routing and Switching Technology | 37% | - MPLS and VPN Technologies
|
| WAN Interconnection Network Planning and Deployment | 8% | - WAN Architecture
|
| Bearer WAN Planning and Deployment | 15% | - Bearer WAN Architecture
|
Huawei HCIE-Datacom V1.0 Sample Questions:
WRED is configured on the newly deployed router HW.
What is the correct description of the WRED features below? (Multiple choice questions).
- A. Avoid global synchronization by selectively dropping multiple TCP streams
- 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. WRED can set different drop thresholds and packet loss rates for packets of different priority
Correct Answer: A,D 🗳️
Which of the following configurations is the correct OSPFv3 route aggregation configuration:
- A. [Huawei]ospfv3 1 [Huawei-ospfv3-1]abr-surmary fcO0:0:0:48 cost 400
- B. [Huawei] interface gigabitethernet 1/0/0 [Huawei-GigabitEthernet1/0/0]asbr-surmary fcO0-0:0:48 cost 20
- C. [Huawei]ospfv3 1 [Huawei-ospfv3-1]asbr-surmary fcO0-0:0::48 3 cost 20 tag 100
- D. (Huaweijospf3 1 Huawei-ospfv3-1Jarea 1 Huawei-ospfv3-1-area-0001]asbr-sumary fcO0:0:0: 48 cost 20 tag 100
- E. [Huawei]ospfv3 1 [Huawei-ospfv3-1J]area 1 [Huawel-ospfv3-1-area-0001]abr-summary fc00:0-0:48 cost 400
Correct Answer: C,E 🗳️
The default configured switch has an empty MAC address table at this time, and Host A connected to the switch issues the first unicast data frame, so what will the switch do after receiving the teaching system? (Single choice questions).
- A. The switch records the source MAC address of the data frame and floods the data frame
- B. The switch will drop the data frame
- C. The switch will forward data to interface
- D. based on the mesh MAC address of the data frame. The switch caches the data frame and waits for the destination host to send the effect frame before forwarding it
Correct Answer: A 🗳️
In a multicast network, what causes multicast traffic to not forward properly?
- A. The router does not have an RPF route
- B. PIM is not enabled on the RPF interface
- C. The upstream router will receive the PIM Join message dropped
- D. Multi-router egress network, this router is not DR
Correct Answer: A,B,C 🗳️
Use ping-ax-cY-sZ-vpn-instance M 105162, which has the meaning of
- A. The ping sends Y ICMP requests
- B. The source IP address of the ping packet is X
- C. The ping belongs to the VPN instance M
- D. IcMP request for the ping, message size Z (without IP and ICMP headers)
Correct Answer: A,B,C,D 🗳️
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