H12-931-ENU

The function of PW OAM is basically the same as that of Tunnel. The PW OAM mechanism can effectively detect, confirm and locate defects and faults originating from the PW layer network. Which of the following features are not available in PW OAM?A . LBB . PingC . BDID ....

Which of the following information do you need to pay attention to when the TOA board starts the GE service? (Multiple Choice)A . MTU valueB .  Ethernet working modeC .  Docking module typeD .  Ethernet VLAN informationView AnswerAnswer: ABC

Which of the following protections in a microwave device does not require a dual slot?A . SDB . FDC . HSBD . SD+FDView AnswerAnswer: C

For NG-SDH equipment equipped with dual main control, when the main control board is upgraded, which of the following statement is correct?A . After completing the upgrade of the standby main control board, the original active main control can be upgraded if the standby main control board is switched.B ....

A network has SDH series of 2255 equivalent NEs, the WDM series of 1000 equivalent NEs, router series of 1000 equivalent NEs. Customers purchased value-added features such as SDH end-to-end, WDM end-to-end, and Corba northbound. Regarding this network management deployment plan, which of the following is wrong?A . Because there...

The following is about the system OSNR commissioning error:A . Adjust single-wave flatness first, and then adjust the main line optical powerB . One of the measurement principle of the MPI-R point system OSNR flatness: After the pump power is determined, test the OSNR flatness of the MPI-R point by...

Which step does getEventChannel belong to in CORBA's working principle?A . Session maintenanceB . Session announcementC . Information inquiryD . Session initializationView AnswerAnswer: D

The business sharing VCTRUNK, which isolation methods can we use to achieve business isolation? (Multiple Choice)A . MAC addressB . VLAN IDC . MPLS label switchingD . QINQ VLAN NestingView AnswerAnswer: BCD

There is a lower limit for the length of an Ethernet frame. What is the main reason for this?A . Carrier senseB . Multipoint accessC . conflict detectionD . Improve network bandwidth utilizationView AnswerAnswer: C

For 10G and coherent 100G mixed transmission systems, which of the following description is correct?A . It is recommended to use a long wavelength for the 10G channel and a short wavelength for the 100G channel.B . Commissioning is based on 100G commissioning requirements, that is, non-standard fiber optic power...