H19-301_V3.0 試験問題を無料オンラインアクセス

After data arrives at the physical layer, the digital signals are converted into optical, electrical, or electromagnetic wave signals depending on the physical media.

• A.FALSE
• B.TRUE

What is the normal operating temperature of Huawei NetEngine 8000 M6 routers with DC power supply?

• A.-20°C to +45°C
• B.-20°C to +65°C
• C.-40°C to +65°C
• D.0°C to +45°C

Huawei enterprise security product portfolio comprises many products. Which of the following security products are included?

• A.Modular firewall
• B.Desktop firewall
• C.SecoManager Security Controller
• D.AntiDDoS

Which of the following are the hardware characteristics of the S8700? (Select All that Apply)

• A.Service subcards are integrated on the main control board panel, separating the forwarding plane from the control plane and enriching port combinations.
• B.The main control boards work in 1:1 backup mode. When a main control board is removed and then installed, no packet loss occurs and the performance does not deteriorate.
• C.Cards with ultra-high-density GE optical/GE electrical/10GE optical ports.
• D.Ultra-high PoE++ output capability, supporting ultra-long-distance high-performance PoE transmission.

A local area network (LAN) connects computers, servers, and network devices in a geographic area, generally within several thousand square meters. A typical LAN can be a company's office network, an Internet café's network, or a home network.

• A.FALSE
• B.TRUE