Huawei HCIA-Transmission V2.5 - H31-311_V2.5 Exam Practice Test
Which of the following options does WDM have for light source requirements? (Multiple choice)
Correct Answer: A,C,D
If the OTUk layer overhead is damaged, the board may report OTUk_SM_AIS to indicate the abnormal condition.
Correct Answer: B
The MAC address has 48 bits in total. The first () bits represent the device vendor code, and the last () bits are allocated by the device vendor.
Correct Answer: B
Which of the following is the default WTR time for MSP switching?
Correct Answer: C
Which of the following converts non-standard wavelengths into standard wavelengths specified by ITU-T in the WDM system structure?
Correct Answer: A
Ethernet_II and IEEE802.3 frame types are distinguished by the Type/Length field value; most data frames in Ethernet use the Ethernet_II format.
Correct Answer: A
What is the line code type of the commonly used SDH optical interface?
Correct Answer: A
The OTN electrical layer SM, PM, and TCMi overheads all contain a 1-byte BIP8 field, and the frame structure ranges they monitor are different.
Correct Answer: B
According to the formula "ODUk rate = 239/(239-k)*STM-N frame rate", the ODU4 rate is equal to
239/235xSTM-N frame rate.
239/235xSTM-N frame rate.
Correct Answer: B
When the line board tuning granularity is ODUflex, which of the following protections can be supported?
Correct Answer: A
Which type of board does TQM belong to?
Correct Answer: B
If a network port that supports auto-negotiation is connected to a network port that does not support auto-negotiation, half-duplex may be used instead of full-duplex.
Correct Answer: A