Huawei HCIA-Transmission V2.5 - H31-311_V2.5 Exam Practice Test
ROADM sites can support up to 9 dimensions using the TSMD9 board. If the number exceeds 9, it can be achieved by cascading WSMD9 boards.
Correct Answer: A
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Which of the following statements about Multiplexed Section Remote Error Indication (MS-REI) are correct?
① The B2 byte indicates the transmission channel.
② The M1 byte indicates the transmission channel.
③ MS-REI is sent from the sink to the source.
④ MS-REI is transmitted from the source to the receiver.
Indicates the number of bit errors detected by the receiver after receiving the MS signal.
① The B2 byte indicates the transmission channel.
② The M1 byte indicates the transmission channel.
③ MS-REI is sent from the sink to the source.
④ MS-REI is transmitted from the source to the receiver.
Indicates the number of bit errors detected by the receiver after receiving the MS signal.
Correct Answer: A
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In the electric power dispatching system, dispatching data is transmitted in the transmission network and data network in the form of Ethernet services.
Correct Answer: A
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Four network elements form an STM-4 bidirectional multiplex section protection ring. Which of the following is the maximum service capacity of the network?
Correct Answer: B
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Which of the following is not a northbound interface provided by U2000?
Correct Answer: D
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Which of the following statements about extended ECC is wrong?
Correct Answer: A
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If one device does not support auto-negotiation, but the other device does, the other device may operate in half-duplex mode (Q107).
Correct Answer: B
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Which of the following are components of a WDM system that multiplexes N wavelengths? (Multiple choice)
Correct Answer: A,B,C,D
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QinQ follows the technical standard IEEE802.1ad, and its emergence is mainly to solve the shortage of IPv4 addresses.
Correct Answer: A
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