NEW QUESTION 54
PWE3 is a processing mechanism that simulates the key attributes of a certain service and transmits it end-to-end on the PSN network through a tunnel (IP/MPLS).

NEW QUESTION 55
Which of the following causes a single channel to report the BEFFEC_EXC alarm?

NEW QUESTION 56
Which of the following descriptions about optical line protection and ODUk SNCP protection is wrong?

NEW QUESTION 57
Which of the following options is not an advantage of EDFA optical amplifiers?

NEW QUESTION 58
The OTUCn signal consists of n interleaved frames of 4080 columns and 4 rows, and n can take values of 2, 4, etc., representing 200G and 400G respectively.

NEW QUESTION 59
In a 3-7-3 multiplexing route, a VC-12 can transmit () 2.048 Mbit/s signals.

NEW QUESTION 60
There are two types of PW encapsulation modes () and ()

NEW QUESTION 61
What are the common fault types of NG WDM? (Multiple choice)

NEW QUESTION 62
Which of the following options is the low-loss area of single-mode fiber? (Multiple choice)

NEW QUESTION 63
The functions of MPLS-TP OAM are divided into active OAM and on-demand OAM. Which of the following options belong to active OAM? (Multiple choice)

NEW QUESTION 64
ESC is mainly divided into which of the following from the principle of realization? (Multiple choice)

NEW QUESTION 65
When performing fiber synchronization, the network management has not created a fiber, indicating that the fiber connection only exists on the physical network element side.

NEW QUESTION 66
When the BIP-8 in the OTUk section monitoring overhead SM detects an error block, what alarm may be reported? (Multiple choice)

NEW QUESTION 67
Like STP equipment, NG WDM equipment can practice network element configuration on the network management system through pre-configuration.

NEW QUESTION 68
In the OptiXtrans E6616 device, which of the following modules support 1+1 hot backup? (Multiple choice)

NEW QUESTION 69
The network element defaults to automatic expansion of ECC communication. When the number of Huawei equipment NEs using extended ECC communication is greater than how much specified value? it is recommended to use manual extended ECC communication

NEW QUESTION 70
There are two types of reset boards () and ().

NEW QUESTION 71
Which of the following boards does not provide online detection of optical signals at the MON port?

NEW QUESTION 72
Assuming that the IP address of the U2000 network management system is: 58.251.159.100/255.255.0.0, which of the following IP addresses cannot be used as the IP address of the gateway network element to directly communicate with the U20000 network management system?

NEW QUESTION 73
The Raman amplifier is a distributed amplifier, and its amplifying medium is a transmission fiber, which is generally placed at the receiving end and is called a forward Raman amplifier.