HCIP 2.2

Which of the following statements about FOADM sites is false?

• Serial FOADM can add or drop all wavelengths, but parallel FOADM cannot.

• Parallel FOADM does not interrupt existing channels during capacity expansion and supports online capacity expansion.

• Onsite support by O&M personnel is required for serial FOADM capacity expansion.

• Parallel FOADM has higher initial cost than serial FOADM.

In a 10G WDM system, the dispersion tolerance of a line board is 1600 ps/nm. G.652 optical cables are used to transmit signals. Considering the impact of dispersion on the system, what is the dispersion-limited distance?

• 20 km

• 80 km

• 40 km

• 266 km

Which of the following is not an advantage of OTN?

• The requirement for Tbit/s bandwidth per fiber using the WDM function is met.

• A maximum of five levels of nested or overlapped TCM connection monitoring are provided.

• Powerful out-of-band FEC is provided.

• 2 Mbit/s to 400 Gbit/s service interfaces can be provided.

In troubleshooting scenarios, maintenance personnel must master basic operations on common instruments. Which of the following statements about common instruments is true?

• An optical power meter can be used to detect the single-wavelength optical power.

• An SDH tester cannot be used for bit error detection.

• An optical spectrum analyzer can detect the single-wavelength optical power.

• An OTDR cannot detect the position of a fiber cut.

OOS overheads are non-channel-associated overheads. Which of the following statements about OOS overheads is false?

• Overheads are transmitted using timeslots 21 to 23 in the frame structure of the optical supervisory channel (OSC) signal.

• OOS overheads include OTS, OMS, and OCh overheads.

• OOS overheads are disabled by default.

• OOS overheads occupy 2 Mbit/s bandwidth.

When the received TTI bytes are inconsistent with the TTI bytes to be received in a WDM system, which of the following alarms is reported?

• OTUK_LOS

• OTUK_LOF

• OTUK_TTI

• OTUk_TIM

For a multipoint-to-point topology, which of the following must be ensured by setting the TIM detection mode on the NMS?

• Only SAPIs are compared for the sink of trail termination.

• Only DAPIs are compared for the sink of trail termination.

• Both SAPIs and DAPIs are compared for trail termination.

MPLS tunnel APS supports multiple types of switching commands with different priorities. Which of the following has the highest priority?

• Locked switching

• Forced switching

• Manual switching

• Switching clearing

Which of the following statements about the OptiXtrans E6600/OptiX OSN 1800 is true?

• The OptiXtrans E6608/OptiX OSN 1800 ll Pro DC chassis can house a maximum of seven service boards.

• The fan tray assembly of the OptiXtrans E6608/OptiX OSN 1800 II Pro dissipates heat by drawing in air from the right and expelling out air to the left.

• When the OptiXtrans E6616/OptiX OSN 1800 V Pro uses the TMK5SXCH cross-connect board, the maximum ODUk capacity per slot is 400 Gbit/s.

• The OptiXtrans E6616/OptiX OSN 1800 V Pro implements unified switching of MS-OTN and has a large service access capacity. It can groom electrical-layer signals at service aggregation nodes, enhancing network flexibility.

Which of the following statements about LSP is false?

• LSP is short for label switched path.

• An LSP is bidirectional.

• An LSP contains at least one ingress and one egress.

• Each LSP has an ID, which is called tunnel ID.