H31-341-ENU 무료 덤프문제 온라인 액세스

Which of the following is a part of the optical layer in the OTN frame structure? (Multiple Choice)

• A.OCh
• B.ODUk
• C.OMS
• D.OPUk

When the working channel of the optical line protection fails, it cannot be automatically switched to the protection channel. What are the possible reasons? (Multiple choice)

• A.Protection group parameter configuration is error
• B.Artificially issued a lock command
• C.The protection channel is faulty
• D.Waiting for the recovery time to be set too long

Which of the following description of the PWE3 technology are correct? (Multiple choice)

• A.The internal data services carried by PWE3 are visible to the core network.
• B.PRE3 technology provides ATM, Ethernet, and TDM services with end-to-end virtual link emulation at the PS network boundary.
• C.For PE3 emulation of Ethernet services, PW control words can be manually configured on the PE.
• D.PWE3 technology belongs to the second layer VLL solution

The ROADM site using WSMD9 board can support up to 9 dimensions. If it exceeds 9 dimensions, it can be implemented by cascading WSMD9 boards.

• A.FALSE
• B.TRUE

Which of the following are limitations of the alarm and performance analysis methods? (Multiple Choice)

• A.In the case of complex networking, service, and fault information, many alarms and performance events may occur along with the occurrence of faults. Due to too many reports and performance events, maintenance personnel are unable to analyze.
• B.When some faults occur, there may be no obvious alarms or performance events reported, and sometimes no alarms or performance events are found.
• C.The network administrator cannot obtain the current notifications of the device, the alarm occurrence time, and the historical alarm of the device.
• D.Field maintenance personnel cannot understand the current operating condition of the equipment.