Huawei H31-311 Practice Test - Questions Answers, Page 17
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Which of the following statements about overhead bytes is incorrect?
Which of the following factors determines that the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent After signals are transmitted for a certain distance in a WDM system, the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent. Which of the following is the main cause?
Which of the following methods can be used to multiplex lower-order ODUk to higher-order ODUk?
When the transmit end detects that the b6-b8 of the K2 byte is 110, it indicates that the () alarm is reported at the transmit end.
A PAUSE frame uses a reserved multicast address and is not forwarded by a bridge or switch, In this way, the PAUSE frame does not generate any additional information.
The backplane has two -48 V power supply cables, and each board obtains two -48 V power supplies from the backplane. After the power supplies are combined by diodes, various voltages required by each component are obtained through the DC/DC power module and linear conversion.
For the (local) HA solution where the active and standby servers are deployed in the same place, which of the following platforms can be deployed? (Multiple Choice)
Which of the following is the basic requirement of a DWDM system on a light source?
Which of the following statements about the definition of SDH is correct?
The rate of STM-1 is () bit/s.
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