Which of the following is the meaning of "L" in the optical module parameter "L-64.2"
For OSN3500, there is a slot mapping relationship between the processing board and the interface pre-processor. The processing board in slot 1 maps to the interface board in slots 19-20.
Which of the following is the steps to multiplex a low-speed service into a high-speed SDH service? (Multiple choice).
What are the basic features of the U2000? Multiple Choices
When the bridge uses ivl learning mode, an entry in the MAC address table is created based on the source MAC address and source port of the teach frame. This entry applies to all VLANs
The TAG attribute cannot be set for the internal port VCTRUNK of the single board on the NMS.
The working mode of the port determines the flow control mode of the port.
When the operating mode is 100Mbit/s full duplex, one of the following flow control modes can be used
Which of the following statements about overhead bytes is incorrect?
Which factors determine the optical signal-to-noise ratio (OSNR) of the receiving end to a certain extent After the signal transmission in the WOM system is transmitted over a certain distance, the "oSNR" of the receiving end of the optical signal-to-noise ratio is reduced to a certain extent. Which of the following is the main cause?
In the case of a 1+1 linear MSP, which of the following switching modes does not require the APS protection protocol full (multiple choice) to be enabled
