H31-311_V2.5 Exam Dumps - HCIA-Transmission V2.5

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Question # 49

Only one TCM can be used at one site

True

False

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Question # 50

Which of the following is not a condition that triggers multiplexed segment protection (MSP)?

MS-AIS signal was detected.

Au-AIS detected.

R-LOS detected.

Check to R-LOF.

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Question # 51

The OTUCn signal rate does not include the FEC overhead area.

TRUE

FALSE

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Question # 52

Array waveguide grating (AWG) multiplexer/multiplexer has the following advantages: short wavelength spacing, large number of channels and flat passband. Suitable for DWDM systems in ultra-high speed, large tubes.

True

False

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Question # 53

When configuring VLAN-based service types, which of the following features must be enabled on the port?

Flow control

Go to check

Autonegotiation mode

Broadcast packet suppression

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Question # 54

Which of the following is the multiplexing method of SDH?

flexible mapping

Asynchronous multiplexing

flexible mapping and asynchronous multiplexing

Flexible mapping and synchronization multiplexing

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Question # 55

Which of the following statements about overhead bytes is incorrect?

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

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.

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

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

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Question # 56

During service configuration, which of the following service levels cannot be selected?

VC12

VC8

vC4

VC3

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