When using a dual slot line group MSP ring, in which of the following cases is the multiplex section overhead K bytes in the pass-through state?

When using a dual slot line group MSP ring, in which of the following cases is the multiplex section overhead K bytes in the pass-through state?A . Cross-connect board abnormalityB . Main control board abnormalityC . The main control board is not in placeD . When the multiplex section protocol...

May 3, 2025 No Comments READ MORE +

Which of the following statements about TTX board is correct?

Which of the following statements about TTX board is correct?A . Essentially, the TTX board is not a 100G tributary board, but it requires a single-slot 100G cross-connect capacity.B . 8800T64/T32 universal subrack can support TTX boardsC . This board is a tributary board that can access 100G client-side servicesD...

April 30, 2025 No Comments READ MORE +

NSF (Non-Stop Forwarding) means that when a certain type of device failure occurs, data forwarding is still performed normally to protect the key services on the network. In which of the following scenarios will the NSF function fail to perform data forwarding normally?

NSF (Non-Stop Forwarding) means that when a certain type of device failure occurs, data forwarding is still performed normally to protect the key services on the network. In which of the following scenarios will the NSF function fail to perform data forwarding normally?A . XCS board hard reset (XCS board...

April 29, 2025 No Comments READ MORE +

If a ROADM site adopts WSS+RMU configuration, which of the following impacts on SOM is wrong?

If a ROADM site adopts WSS+RMU configuration, which of the following impacts on SOM is wrong?A . If RMU is used locally to add wavelengths and has optical amplifiers, the OSNR value of the wavelength in the through direction detected by the SOM will deviate from the actual valueB ....

April 28, 2025 No Comments READ MORE +

The new TN55ND2 board of the OSN8800 equipment was found to be unable to go online. Which of the following reasons are impossible?

The new TN55ND2 board of the OSN8800 equipment was found to be unable to go online. Which of the following reasons are impossible?A . The master controller has a SWDL AUTOMATCH_INH alarmB . The master controller has a SWDL_PKG_NOBDSOFT alarmC . The master controller has a SWDL CHGMNG_NOMATCH alarmD ....

April 26, 2025 No Comments READ MORE +

When considering the dispersion distance in a DWDM 10G system, which distance should be considered?

When considering the dispersion distance in a DWDM 10G system, which distance should be considered?A . Distance between adjacent sitesB . Total distance of the entire networkC . Electrical regeneration distanceD . All of the above are wrongView AnswerAnswer: D

April 26, 2025 No Comments READ MORE +

Which of the following descriptions about branch SNCP protection is wrong?

Which of the following descriptions about branch SNCP protection is wrong?A . When configuring a branch SNCP, you need to set the SNCP subtype.B . The crossover granularity is GE or Any signalC . Trigger conditions are: board not in place, SF, SDD . Branch SNCP protection uses the dual-transmit...

April 20, 2025 No Comments READ MORE +

Regarding the differences between Linux and Solaris operating systems, which of the following statements is wrong?

Regarding the differences between Linux and Solaris operating systems, which of the following statements is wrong?A . All disks need to be recognized by the operating system, but Solaris needs to be set in the sd.conf file, while Linux does not needB . Solaris itself only supports UFS hard disk...

April 15, 2025 No Comments READ MORE +

Which of the following descriptions of the networking requirements for configuring SOM is wrong?

Which of the following descriptions of the networking requirements for configuring SOM is wrong?A . OSC board must be configured in the networkB . The outbound optical amplifier at the OMS segment must be equipped with an MCA boardC . An OA board must be configured between the FIU board...

April 15, 2025 No Comments READ MORE +