Establish Ethernet leased line service between HI (HQ) and H2 (branch) of enterprise H, and bind 5 in the corresponding VCTRUNK VC-12. When a VC-12 fails, the Ethernet dedicated line between H1 and H2 is interrupted. So, which of the following statements is true?
Bait-doped fiber amplifiers (EDFAs) are a key component of the new generation of optical communication systems. Which of the following is the feature of EDFA? Multiple Choice) □
Which of the following is not the northbound interface provided by the U2000?
Which of the following local maintenance endpoints can be used to manage MSTP devices?
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.
The OTN signal has a fixed pad period, the same frame period as the SDH signal.
RSOH, MSOH, HPOH and LPOH implement the monitoring function in descending order of the monitoring fan country.
Self-healing refers to the capability of a network to automatically recover its services within a short period from a fault without any manual intervention. Users are unaware of the network fault. A network with this self-healing capability is a self-healing network.
Linear MSP (LMSP) has two modes: 1+1 and 1:1. Additional services can only be configured for the protection channel in 1:1 mode of the LMSP.
Optical module parameter "L-64.2" in "2" indicates which of the following working windows?
