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

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Question # 4

The EDFA erbium-doped fiber amplifier is a key component of the new generation of optical fiber systems. Which of the following options are correct for the description of its advantages?

A.

High gain

B.

High output power

C.

The working wavelength is consistent with the minimum attenuation window of single-mode fiber

D.

Low noise figure

E.

Gain Flattening

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Question # 5

Which of the following options are the basic requirements of DWDM system for light source

A.

Output standard and stable wavelength

B.

The method using direct modulation

C.

Larger dispersion tolerance

D.

Using LE

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Question # 6

MPLS is used to label packets instead of IP forwarding. Which of the following descriptions about MPLS packet encapsulation are correct?

A.

The Type field in the ETH header is set to 0x8847 to indicate that it is followed by MPLS label encapsulation

B.

The nested encapsulation of MPLS can only be two layers, PW and Tunnel two layers of labels

C.

The MPLS label of the Tunnel carrying the PW, where the S bit is set to 1

D.

IP packets can be directly carried on the Tunnel

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Question # 7

Which of the following descriptions about the Optix OSN 9800 subrack are correct?

A.

When the OSN 9800 P18 is used as the slave subrack, the IU18 slot can only be inserted into the service board

B.

When the OSN 9800 universal platform subrack is used as the slave subrack, the main control board must be placed

C.

In the OSN 9800 U32 subrack, IU70 is the active CTU and IU78 is the standby CTU

D.

The OSN 9800 U16 subrack has a total of 16 service slots, these slots have the same capacity, and the maximum support single slot 400bit/s ODUK crossover

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Question # 8

The ETH_UWK_DOWN alarm indicates that the network port connection is faulty. The possible reasons do not include which of the following?

A.

The working modes of the sending and receiving ends are inconsistent

B.

Link failure

C.

Peer device failure

D.

There is no light received at the local end

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