H35-260 Exam Dumps - HCSA-Field-Transmission & PTN V1.0

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Question # 17

Which of the following items belong to the debugging work of the playback system?

Commissioning the protection function

Commissioning feature function

Debugging Errors

Optical power commissioning

Cabinet Installation

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Question # 18

When performing single-site commissioning of SDH equipment, it is necessary to check the single-site hardware: including cabinet and subrack installation inspection, power line resistance measurement, cable layout specification

inspection, single-board appearance inspection, and some single-board inspections. DIP jumper check

True

False

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Question # 19

Which of the following boards can be inserted into the OSN 9800U64 subrack?

TN18LSC

TNV1N401

TN54GS4

TNF5UNQ2

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Question # 20

When configuring LMSP, there are two switching modes: single turbulent cutting and inserting and double full switching. Single-ended switching does not require self-use protection

True

False

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Question # 21

During the normal operation of the network, the service channel protected by ODUK SNCP generates a condition for triggering protection switching, and the service has been automatically switched to the protection channel. When the fault

of the working channel is eliminated, the service cannot be automatically restored to the working channel.

The SNCP service type is inconsistent with the service scenario requirements

Protection group 'Recovery Mode' is 'Non-Recovery'

A small number of bit errors occur in the working channel

Manual switching, locking switching or forced switching commands are implemented artificially

When the working channel is normal, the business needs to delay the "waiting for recovery time" and then switch from the protection channel to the working

channel.

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Question # 22

Which of the following services can IMA provide protection for?

TDM business

ATM Services

E-Line Business

E-LAN service

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Question # 23

Regarding the comparison of Raman amplifiers with EDFAs, which of the following statements is false?

The Raman amplifier selects different pump sources to amplify signals in different bands, so the Raman amplifier has no gain bandwidth limit in theory, while the EDFA has a range of gain bandwidth

The gain calculation/testing method of Raman amplifier and EDFA is consistent, both are "gain = output power - input power

The gain medium of Raman amplifier is transmission fiber; the gain medium of EDFA is EDF (Erbium Doped Fiber)

The equivalent noise figure of a Raman amplifier is smaller than that of an

EDFA

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Question # 24

Which of the following is impossible for the cause of the ETH_LOS alarm?

The cable or fiber of the Ethernet port is not properly connected

Cable or fiber failure

The received optical power of the local network element is too low

In-port loopback

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