QUESTION 46
The 1510nm optical monitoring channel can be effectively amplified after passing through EDF

QUESTION 47
WDM transmits optical signals multiplexed at multiple rates (wavelengths) through a single optical fiber, and the digital signals carried by these optical signals must have the same rate and data format

QUESTION 48
Which of the following statements about the OTM-n .m and OTMnr .m for OTN are incorrect?

QUESTION 49
Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?

QUESTION 50
Which of the following statements about the U2000 license is incorrect?

QUESTION 51
When the fiber between node A and node B is disconnected, the RU on node B detects OTS_LOS alarm and will OTS_BDI The ru of the alert inserted into node A of node A forces reports OTS BDI alarms. The board reports och_SSF alarm on the downstream C node.

QUESTION 52
EPL services use ports and bandwidth exclusively, and different users may need to share resources. Which of the following methods can be used to isolate user data?

QUESTION 53
Which of the following light sources has the best dispersion tolerance and stability?

QUESTION 54
Which of the following can be configured as the monitoring time for network element performance events?

QUESTION 55
For (on-premises) HA solutions where active and standby servers are deployed in the same location, which of the following platforms can be deployed? (Multiple choice).

QUESTION 56
The difference between dispersion compensation fibers and ordinary optical fibers is that the dispersion compensation fibers have a negative dispersion coefficient at ().

QUESTION 57
Automatic Laser Shutdown (ALS): When no optical signal is received, the ALS function automatically turns off the corresponding optical module. This feature protects field maintenance personnel.

QUESTION 58
In a 2.5GMSP ring consisting of four MSTP sites, which of the following statements about alarm reports is correct when a protection switchover occurs?

QUESTION 59
When configuring VLAN-based service types, which of the following features must be enabled on the port?

QUESTION 60
On a Layer 2 switching device, if the Ethernet port is an Access port, the port can only receive Ethernet frames without a VLAN tag or Ethernet frames with the same VLAN ID as the default VLAN ID of the port.

QUESTION 61
QinQ technology can be used when multiple users need to share the same VCTRUK and use the same VLAN ID.