A.Field testing

B.Hands-On Laboratory (HOL) Testing

C.Institutional testing

D.Remote testing

A.Configuration service exception.Contact maintenance engineer (netconf communication failed)

B.The service is abormal

C.Service process failed

D.Unrecongnizeinformation

A.Metal mine tunnel, single-hop backhaul distance of 0.01-0.2km, single-hop P2MP topology, bandwidth of each node is about 10Mbps, carrying driving recorder video backhaul services.

B.Oil and gas (oil well) scenario, 0.1-1km or long-distance 3~5km single-hop backhaul distance, single- hop P2MP or multi-hop topology, each node bandwidth is about 20Mbps, carrying video surveillance/operation and maintenance inspection-text/picture type of business.

C.Inspection of wind power engineering vehicles, single-hop backhaul distance of 1-10km, single- hop P2P topology, bandwidth of approximately 12Mbps per node, carrying operation and maintenance inspection ?voice call/video/text/picture services.

D.Port (quayside bridge) scenario, single-hop backhaul distance of 0.1~3km, single-hop P2MP topology, bandwidth per node is about 35Mbps, carrying video surveillance/SMS short message ?non-real-time control services.

A.True

B.False

A.False

B.True