2025 Latest 100% Exam Passing Ratio – H31-341_V2.5-ENU Dumps PDF [Q98-Q115]

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2025 Latest 100% Exam Passing Ratio – H31-341_V2.5-ENU Dumps PDF

Pass Exam With Full Sureness – H31-341_V2.5-ENU Dumps with 1062 Questions

NO.98 Which of the following descriptions about the FOADM site is wrong?

Serial FOADM can realize full wave up and down, but parallel FOADM cannot

Parallel FOADM will not interrupt the existing channels during expansion, and can realize online expansion

The initial cost of parallel FOADM is higher than that of serial FOADM

Operation and maintenance personnel are required to go to the site for support when serial FOADM is expanded

NO.99 Which of the following will cause a BEFFEC_EXC alarm to be reported on a single channel?

Abnormal external environment

Signal loss is too large during line transmission

Faulty amplifier board

The input optical power of the OTU board is too high or too low

NO.100 1510nm optical monitoring channel can be effectively amplified by EDFA.

True

False

NO.101 In the deployment or expansion scenario, alarm reversal can reverse the alarm state and reduce a large number of unnecessary alarm reports. Which of the following descriptions about alarm reversal is correct?

The setting of alarm reversal is based on the channel

The setting of alarm reversal is based on the network element

The setting of alarm reversal is port-based

The setting of alarm reversal is based on the board

NO.102 The input optical power of an OAU101 board in a network is -19dBm, and the output power needs to reach 1dBm. Due to the long distance, a DCM (D) module is connected between the TDC and RDC of the board, and the attenuation is 5.5 dB, then in order to meet the requirements, the gain of the board should be set on the network management?

31dBm

25.5dBM

14.5dBm

20dBm

NO.103 Which of the following options does not belong to the PW APS switching conditions?

Board software failure

MPLS_PW_SF

Single board hard reset

Board soft reset

NO.104 Which of the nonlinear effects does the RAMAN amplifier use?

Stimulated Raman scattering

Dispersion

Self-Phase Modulation

Four-wave mixing

NO.105 In the troubleshooting scenario, maintenance personnel need to master the basic operations of commonly used instruments. Which of the following descriptions about commonly used instruments is correct?

SDH tester cannot be used for bit error detection

OTDR cannot detect the position of the fiber breakpoint

Optical power meter can be used to detect single-wavelength optical power

Spectrum analyzer can detect single-wave optical power

NO.106 The decrease of signal-to-noise ratio at the receiving end will not cause bit errors.

True

False

NO.107 When light passes through a passive optical device, the drop in optical power caused is called the () of the device.

insertion loss

NO.108 Which of the following site types support business up and down? (Multiple choice)

ROADM

FOADM

OLA

OTM

NO.109 While amplifying business signals, EDFA will also bring noise to the system, which is the main source of noise.

True

False

NO.110 The optical fiber quality detection light of the TNF1AST4 board shares the light source with the OSC channel. Use the TNF1AST4 single board in the which type model (when performing detection, the OSC communication will be interrupted, at this time only the optical fiber quality detection signal is sent, and the detection dynamic range is large)?

Online mode

Typical model

Normal mode

Offline mode

NO.111 When using the LCAS function. Which of the following overhead bytes is used to transmit control information? (Multiple choice)

NO.112 After which of the following steps, the rollback operation cannot be performed?

load

to distribute

to activate

Submit

NO.113 Compared with traditional SDH network, what are the characteristics of ASON network? (Multiple choice)

Support Mesh networking protection, which enhances the survivability of the network.

Support traffic engineering control, the network can dynamically adjust the logical topology of the network in real time according to the business needs of the customer layer; realize the optimal configuration of network resources.

Support automatic topology discovery

Support end-to-end service automatic configuration

Support differentiated services, and determine the required protection level according to the service level of the client layer signal.

NO.114 Which of the following descriptions about PWE3 technology is correct? (Multiple choice)

The internal data services carried by PWE3 are visible to the core network

PRE3 technology provides end-to-end virtual link emulation for ATM, Ethernet, and TDM services at the PS network boundary

PWE3 technology is a Layer 2 VLL solution

For PE3 emulation of Ethernet services, the PW control word can be manually configured on the PE

NO.115 Which of the following descriptions about OTU4 frame rate calculation is correct?

255/238 × 2488320 kbit/s

255/237 × 9953280 kbit/s

255/236 × 39813120 kbit/s