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H31-311 PDF DEMO:
QUESTION NO: 1
EPL services exclusively use ports and bandwidths, and different users may need to share resources. Which of the following methods can be used to isolate user data?
A. All of the above
B. VLANID
C. QinQ technology
D. MPLS label
Answer: A
QUESTION NO: 2
Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?
A. Optical supervisory technology
B. Wavelength conversion technology
C. Multiplexing/Demultiplexing technology
D. Optical amplification technology
Answer: B
QUESTION NO: 3
If the overhead bytes pass through the backplane bus between two slots, the two slots are called paired slots.
Paired slots implement automatic transparent transmission of overhead bytes, such as (),(), and ().
This improves MSP switching performance and protects DCC communication with other NEs even if the SCC board on the local NE is offline. (Multiple Choice)
A. B1 byte
B. E1 byte
C. K byte
D. D byte
Answer: B,C,D
QUESTION NO: 4
The single-fiber bidirectional WDM system uses only one optical fiber to transmit optical signals in two directions at the same time. The optical signals in the two directions should be arranged at different wavelengths.
A. TRUE
B. FALSE
Answer: A
QUESTION NO: 5
Which of the following effects is used by the Raman amplifier?
A. Self-phase modulation (SPM)
B. Dispersion
C. Raman scattering
D. Four-wave mixing (FWM)
Answer: C
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Updated: May 28, 2022