Huawei H12-891_V1.0 - HCIE-Datacom V1.0

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Huawei H12-891_V1.0 Exam Syllabus Topics:

Huawei HCIE-Datacom V1.0 Sample Questions:

1. Which of the following link types may appear in OSPF Router-LSAs?

A) TransNet
B) StubNet
C) Vlink
D) P-2-P

2. Huawei Open Programmability System (OPS) provides openness and programmability capabilities for network devices and enables users to perform secondary development. To facilitate script completion, Huawei OPS provides the Python script template in which the OPSConnection class is created. The member function for creating device resources is def post(self, uri, req_data).

A) TRUE
B) FALSE

3. K company has two types of network services: UDP-based real-time video streaming services and TCP-based FTP download services. The company's network administrator often receives complaints that the FTP download speed is slow or unstable. What are the possible causes?

A) The device uses the tail drop technology. As a result, global TCP synchronization affects the FTP rate.
B) The video service has a higher priority and preempts the bandwidth of the FTP service.
C) The device performs PQ scheduling for FTP services and WFQ scheduling for video services. As a result, the FTP service bandwidth is preempted.
D) The device limits the FTP traffic rate to a small value.

4. In 6PE networking, the shared explicit null label function can be enabled on routers to reduce the number of required MPLS labels. With this function, a router assigns a label with the value (enter only digits) to all 6PE routes.
0In 6PE (IPv6 over MPLS for Provider Edge), the shared explicit null label value is 0. When this function is enabled, the PE router assigns label 0 (IPv4 Explicit Null) to all IPv6 routes, reducing the label space consumption. This is known as label 0 reuse for IPv6 forwarding over MPLS.Exact Extract - HCIE-Datacom IPv6/MPLS Integration Section:"To optimize label usage in 6PE deployments, shared explicit null label (label 0) can be assigned to all 6PE routes."

5. NAFTIR policing can only be applied to the inbound direction. Its purpose is to monitor the traffic entering the device and ensure that the upstream device does not unnecessarily consume network resources.

A) TRUE
B) FALSE

Solutions: