NEW QUESTION 95
When using the LCAS function, which of the following overhead bytes is used to transmit control information? (Multiple Choices)

NEW QUESTION 96
Which of the following bytes can be used for wired phones between two REG devices?

NEW QUESTION 97
In the system control unit, which of the following databases does not lose data after a power failure? (Multiple choice).

NEW QUESTION 98
Which of the following logic function blocks are involved in processing clock signals? (Multiple choice).

NEW QUESTION 99
Array waveguide grating (AWG) multiplexer/multiplexer has the following advantages: short wavelength spacing, large number of channels and flat passband. Suitable for DWDM systems in ultra-high speed, large tubes.

NEW QUESTION 100
Bait-doped fiber amplifiers (EDFAs) are a key component of the new generation of optical communication systems. Which of the following is the feature of EDFA? Multiple Choice) □

NEW QUESTION 101
In the OSN550, the CXL slot contains a function board that integrates a system control and communication (SCC) unit, a cross-connecting unit, and a clock unit Depending on the functionality and access features provided by the OSN550, there are several types of dashboards

NEW QUESTION 102
Which of the following can be used as the central wavelength of the pump source in EDFA? (Multiple choice).

NEW QUESTION 103
OSN1500/2500/3500/7500 supports DC and AC power inputs.

NEW QUESTION 104
Which of the following is the main advantage of SDH? (Multiple choice).

NEW QUESTION 105
NE A and NE B are adjacent NE
If B3 and low-order errors occur in the A->B direction, and B1, B2, B3, and low-order errors occur in the B->A direction, it is caused by Which of the following performance events does NEA report? (Multiple choice).

NEW QUESTION 106
When the U2000 is synchronized, the same network metadata as the U2000 is not uploaded to the U2000, and the data that exists on the U200 but does not exist on the network element is deleted.

NEW QUESTION 107
Which of the following are the components of the WDM system summer with N glass lengths? (Multiple choice).

NEW QUESTION 108
Which of the following bridges are used to forward data based on the MAC address and VLAN ID carried in the data?

NEW QUESTION 109
Which of the following statements about ODUk_PM_BDI is correct?

NEW QUESTION 110
The receiver performs a BIP-8 check on unscrambled STM-16 frames. If the BIP8 check result XOR*∶, the value of the B1 byte contained in the next STM16 ring is 10001100, which indicates STM-16 There is a () bit error block in the axis.

NEW QUESTION 111
The STAT indicator of the SDH board flashes red, lights up for 100ms, and turns off for 100ms. Which of the following means the state of the metric?

NEW QUESTION 112
The refractive index n1 of the fiber core must be the Q of the cladding refractive Mo n2, which is a necessary condition for transmitting the optical signal in the optical fiber.

NEW QUESTION 113
PDM uses a polarization beam splitter to divide the laser into two vertical directions: x and y.