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Huawei H31-311_V2.5 - HCIA-Transmission V2.5

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Total 198 questions

Which of the following statements about overhead bytes is incorrect?

A.

A1 and A2 are framed bytes" These bytes are used to separate STM-1 frames in the signal stream. .

B.

J0 is the regenerator part trace byte. This byte is used to resynch the send segment access point identifier so that the receiving end can verify its continuous connection to the specified sender.

C.

B1 is better than holding interleaved parity 8 (BIP-8). This byte is used to monitor for bit Falses in the regenerator section layer.

D.

E1 and E2 are wired bytes. These bytes are used to provide a voice channel for order line connections.

Optical module parameter "L-64.2" in the "2" indicates which of the following working windows?

A.

880 nm

B.

1310 nm

C.

1550hm

D.

1510tm

In the OSN550, the CXL slot contains a function board that integrates a system control and communication (SCC) unit, a cross-connecting unit, and a clock unit Depending on the functionality and access features provided by the OSN550, there are several types of dashboards

A.

True

B.

False

In the Windows operating system, the log files of the U2000 program are stored in the () directory of the U2000 installation disk.

A.

/U2000/server

B.

/U2000/client/log

C.

/u2000/server/log

D.

/U2000/Client

The last 256 columns in the OTN frame structure are the FEC regions for forward False correction.

A.

True

B.

False

Which of the following is affected by changing the element ID of OSN3500 on NMS?

A.

Interruption of business.

B.

Restart your device.

C.

Network element communication is interrupted.

D.

NE time is out of sync.

Which of the following is the multiplexing method of SDH?

A.

flexible mapping

B.

Asynchronous multiplexing

C.

flexible mapping and asynchronous multiplexing

D.

Flexible mapping and synchronization multiplexing

The optical amplifier unit compensates for line losses and extends the transmission distance. Connecting multiple optical amplifier units in cascaded mode allows for extended transmission distances without following the system.

A.

True

B.

False

Manual configuration will clear the data on the NE side

A.

True

B.

False

Which of the following are the service board types for MSTP devices? (Multiple choice).

A.

Interface board

B.

Service processing board

C.

Service processing board with interface

D.

Auxiliary board