NEW QUESTION 107
Only one TCM can be used at the same site

NEW QUESTION 108
Wavelength division multiplexing technology is to multiplex optical signals of different wavelengths into the same optical fiber for transmission.

NEW QUESTION 109
OCI stands for Open Connection Indication. The signal sent downstream indicates that the upstream management command in the connection function has opened the matrix connection, and the signal loss state detected at the terminal point may be related to the opened matrix.

NEW QUESTION 110
Which of the following ROADM nodes are configured correctly? (Multiple choice)

NEW QUESTION 111
In the process of configuring E-LAN, the MAC address learning mode can be set to SVL and IVL. SVL is independent VLAN learning, and IVL is shared VLAN learning.

NEW QUESTION 112
Which of the following descriptions about the advantages of WDM is wrong?

NEW QUESTION 113
Currently, 2Mbit/s signals are most widely used. Which of the following steps are involved in the process of multiplexing 2Mbit/s signals into STM-N? (Multiple choice)

NEW QUESTION 114
There are two types of PW encapsulation modes () and ()

NEW QUESTION 115
Which of the following is the effect of changing the network element ID of OSN3500 on the NMS?

NEW QUESTION 116
When using the LCAS function. Which of the following overhead bytes is used to transmit control information? (Multiple choice)

NEW QUESTION 117
APAUSE frames using reserved multicast addresses are not forwarded by bridges or switches. This way the PAUSE frame does not generate any other information.

NEW QUESTION 118
PRBS can be used to test whether the SDH service is normal and whether the protection switching function is normal.

NEW QUESTION 119
For hybrid transmission systems, the principle of coherent commissioning should be followed first.

NEW QUESTION 120
NG WDM equipment uses Ethernet frames to carry MPLS packets

NEW QUESTION 121
When inserting LCK to the ODUk signal at the local end, what processing will the downstream station system perform? (Multiple choice)

NEW QUESTION 122
For a system with an optical amplifier, the upper threshold of the received optical power of the wavelength division side of the OTU single board or the line single board (PIN type receiving laser) is -3 dB at the receiving overload point of the optical module.

NEW QUESTION 123
Which of the following options conform to the principles of coherent system commissioning? (Multiple choice)

NEW QUESTION 124
Which of the following maintenance signals is transmitted from the downstream site to the upstream site of the OTN?

NEW QUESTION 125
Which of the descriptions about the FIU board is correct?

NEW QUESTION 126
The 5A deployment of OptiXtrans DC908 refers to port self-adaptation, fiber self-discovery, fiber self-discovery, wavelength self-configuration, and optical layer self-commissioning.

NEW QUESTION 127
In the OSN 1800, the LOA single board can implement the Layer 2 scheduling function of the Ethernet.

NEW QUESTION 128
When creating a single-site optical crossover, an error message “The direction of the fiber cable is selected wrongly” appears. The possible reason is?

NEW QUESTION 129
Which of the following is the basic requirement of the DWDM system on the light source?

NEW QUESTION 130
Most of the WDM systems on the existing network adopt the single-fiber bidirectional transmission mode.

NEW QUESTION 131
When light passes through a passive optical device, the drop in optical power caused is called the () of the device.