Huawei H31-311_V2.5-ENU HCIA-Transmission V2.5 Online Training
Huawei H31-311_V2.5-ENU Online Training
The questions for H31-311_V2.5-ENU were last updated at Feb 20,2025.
- Exam Code: H31-311_V2.5-ENU
- Exam Name: HCIA-Transmission V2.5
- Certification Provider: Huawei
- Latest update: Feb 20,2025
MPLS is a label forwarding technology. Which of the following was its original design purpose?
- A . Improve the utilization rate of P addresses
- B . Increase the forwarding speed of the router
- C . Reduce network latency
- D . Avoid broadcast storms
A. The value range of U-PTR is 0~782. When the receiving end receives invalid pointer values for 8 consecutive frames, which of the following alarms will the device generate?
- A . AU-AIS
- B . AU-LOP
- C . MS-AIS
- D . MS-RDI
Which of the following is the monitoring overhead used to monitor and report OTUk_DEG and OTUk_EXC alarms.
- A . SM
- B . PM
- C . TCMi
Which of the following statements is wrong?
- A . In the MPLS VPNE connection model, the network consists of the operator’s backbone network and the user’s various sites. The so-called VPN is the division of a set of sites. One VPN corresponds to a set of several sites.
- B . The network construction of MPLS VPN is completed by the service provider. In this network construction, the service provider provides VPN services to users, and users do not feel the existence of the public network, as if they have independent network resources.
- C . The backbone routers within the service provider’s backbone network, that is, the routers that are not directly connected to the edge routers, are unaware of the existence of the VPN and are only responsible for data transmission within the backbone network.
- D . All VPN construction, connection and management are performed on backbone routers.
Which of the following boards supports QinQ function?
- A . EFT8
- B . EGT2
- C . EMS4
- D . EMR2
Which of the following descriptions about the FIU board is correct?
- A . The FIU board processes monitoring information.
- B . FIU can complete the access and extraction of OSC channels.
- C . In the OptiX OSN8800 equipment, when there is no signal input, the FIU board will report an alarm.
- D . Whether it is an OLA station or an OADM station, one station only needs one FIU.
The multi-frame loaded 2M signal is the information of which time period?
- A . 500us
- B . 125us
- C . 500ms
- D . 125ms
In terms of protection capability, which of the following topologies has the strongest protection capability?
- A . Linear topology
- B . Star topology
- C . Tree topology
- D . Ring topology
- E . Mesh topology
What is the function of the overhead TCM in ODUk?
- A . Channel monitoring unlocking
- B . Path Trace Identifier Overhead
- C . Tandem connection monitoring overhead
- D . General communication channel overhead
In which of the following optical fibers will the four-wave mixing phenomenon be most serious when the optical signal propagates, and will also cause the greatest transmission damage?
- A . G.652
- B . G.655
- C . G.653
- D . G.654
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