Quiz 29/Ago/23

Subnetwork connection protection (SNCP) requires the APS protocol.

• True
• False

In the two-fiber bi-directional multiplex section protection ring, you need to configure only services on the working channel.

• True
• False

Which of the following networks is optical line protection mainly applied to?

• Chain network
• Ring network
• Mesh network
• Star network

Which of the following principles is used for ODUk SNCP protection?

• Dual-Fed and selective receiving
• Dual-Receiving and selective switching

Which of the following statements about link status pass-through LPT is incorrect?

• When the LPT function is triggered, the port laser may be shut down or alternately switched on or off.
• The LPT function is triggered when both the access point and the service network are faulty.
• The LPT function is applicable to all services except OTN.
• The LPT function is bidirectional.

Which of the following statements about the 1+1 protection of the cross connect board is incorrect?

• The active and standby cross-connect boards back up each other.
• The fault of the cross-connect board does not affect services.
• The active and standby cross-connect boards are connected to service cross-connect slots through the electrical cross-connect bus.
• The 1+1 protection of the cross-connect board is equipment-level protection.

What is the default optical power difference of the Optical Line Protection board (OLP) to perform the switching operation?

• 3 dB
• 5 dB
• 9 dB
• 10 dB

Which of the following tributary SNCP types does not involve electrical regeneration sites in a subnet that ODUk signals traverse?

• SNC/I
• SNC/S
• SNC/N

Which of the following is the switching point of linear MSP?

• Tributary unit
• Line unit
• Cross-connect unit
• System control unit

Which of the following are the possible causes of the automatic switching failure of ODUk SNCP?

• The SNCP type is falsely set.

• Electrical cross-connections are falsely configured.

• The WTR time is too long.

• The lockout or forced switching command is set.