Which of the following descriptions about PTN and TPS protection are correct? (Multiple choice)

Which of the following descriptions about PTN and TPS protection are correct? (Multiple choice)A . The object of TPS protection is the interface board B. The object of TPS protection is the service sub-card and the motherboard on which the service sub-card is inserted C. The service sub-card protected by...

July 15, 2023 No Comments READ MORE +

Regarding the test items of IEEE 1588V2 time protection function, which statement is wrong?

Regarding the test items of IEEE 1588V2 time protection function, which statement is wrong?A . On the OptiX OSN 8800, the active and standby states of the clock board and the cross-connect board are related to each other. During the switching test, it is recommended to switch only the cross-connect...

July 14, 2023 No Comments READ MORE +

Regarding this network management deployment plan, which of the following is wrong?

A certain network has 2,250 equivalent network elements of SDH series, 1,000 equivalent network elements of WDM series, and 1,000 equivalent network elements of router series. The customer purchased value-added functions such as SDH end-to-end, WDM end-to-end, and Corba northbound. Regarding this network management deployment plan, which of the following...

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Which of the following functions are not available in PW OAM?

The function of PW OAM is basically the same as that of Tunnel. The PW OAM mechanism can effectively detect, confirm and locate defects and faults originating from the PW layer network. Which of the following functions are not available in PW OAM?A . LB B. Ping C. BDI D....

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When subnetting 172.17.15.0/28, which of the following addresses are legal subnet addresses? (Multiple choice)

When subnetting 172.17.15.0/28, which of the following addresses are legal subnet addresses? (Multiple choice)A . 172.17.15.0 B.172.17.15.8 C.172.17.15.40 D. 172.17.15.96View AnswerAnswer: AD

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Which of the following statements about OTN overhead is correct? (Multiple choice)

Which of the following statements about OTN overhead is correct? (Multiple choice)A . The bit value of BDI in the SM/TCMi/PM overhead field (bit 5 of the third byte) of 5 consecutive frames is "1", which will generate BDI B. BIP-8 bit errors in SM, PM, and TCM monitor bit...

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The PTN device realizes the unified bearer of multiple services through PWE3. For the user, the PTN device is equivalent to a Layer 2 switch.

The PTN device realizes the unified bearer of multiple services through PWE3. For the user, the PTN device is equivalent to a Layer 2 switch.A . TRUE B. FALSEView AnswerAnswer: A

July 13, 2023 No Comments READ MORE +

Which of the following about system OSNR commissioning is wrong?

Which of the following about system OSNR commissioning is wrong?A . Adjust the single-wave level first, and then adjust the optical power of the main line B. One of the commissioning principles for OSNR flatness of the MPI-R point system: After the pump power is determined, use a spectrometer to...

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There are two types of E1 signals: Unframed E1 and Framed E1. Unframed E1 refers to transmitting user data in all time slots as a whole.

There are two types of E1 signals: Unframed E1 and Framed E1. Unframed E1 refers to transmitting user data in all time slots as a whole.A . TRUE B. FALSEView AnswerAnswer: A

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The types of boards that need to be upgraded when upgrading NG-SDH equipment are: 1. Cross-connect board 2. Main control board 3. Service board. What is the correct upgrade sequence?

The types of boards that need to be upgraded when upgrading NG-SDH equipment are: 1. Cross-connect board 2. Main control board 3. Service board. What is the correct upgrade sequence?A . 123 B.321 C.213 D.312View AnswerAnswer: C

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