H31-311_V2.5試験無料問題集（750題）「Huawei HCIA-Transmission V2.5 認定」

出題：1

Which of the following is the impact of changing the NE ID of OSN3500 on NMS?

A. Restart the device

B. Service Interruption

C. NE time is not synchronized

D. Network element communication interruption

正解：D 解答を投票する

出題：2

The rate represented by STM-1 is ().

正解：

155Mbit/s

出題：3

Which of the following converts non-standard wavelengths into standard wavelengths specified by ITU-T in the WDM system structure?

A. OMU

B. OTU

C. OSC

D. ODU

正解：B 解答を投票する

出題：4

From the formula: OTUk rate = 255/(39-k) × STM-N rate, we can get OTU4 rate = 255/235 × STM-N rate.

A. True

B. False

正解：A 解答を投票する

出題：5

In Huawei's T-SDN network architecture, () realizes centralized control of single-domain networks, and () is responsible for multi-domain cross-vendor management

正解：

Controller | Coordinator

出題：6

SOTU stands for Single Optical Transport Unit Interface, and MOTU stands for Multiple Optical Transport Unit Interface.

A. True

B. False

正解：A 解答を投票する

出題：7

Which of the following is the meaning of SFD in the Ethernet frame structure?

A. Start delimiter

B. Preface

C. Frame Check Sequence

D. Payload

正解：A 解答を投票する

出題：8

Which of the following descriptions about ROADM boards are wrong? (Multiple choice)

A. WSM9 realizes the dynamic and configurable wavelength division function of any wavelength to any port

B. RDU9 realizes the broadcast function of business signals in 9 directions

C. RMU9 can add wavelengths of 9 signals. Its add-wave port can be used with an OTU board with tunable wavelength to achieve full dynamic input of 9 signals.

D. WSD9 realizes the dynamic and configurable multiplexing function of any wavelength to any port

正解：A,C,D 解答を投票する

出題：9

In a colorless scenario, which of the following single-board waves can be used? (Multiple choice)

A. RDU9

B. WSM9

C. TM20

D. WSD9

正解：B,C 解答を投票する

出題：10

The error correction capability of FEC is measured by coding gain. Which of the following statements about coding gain is wrong?

A. The correction capability of FEC increases with the coding gain.

B. The coding gain of AFEC is greater than the coding gain of FEC

C. When BER is constant, the OSNR preserved by correction coding is called coding gain.

D. The coding gain of in-band FEC is greater than the coding gain of out-band FEC

正解：D 解答を投票する

出題：11

Users can easily access NCE through a browser without having to install additional traditional client software.

A. True

B. False

正解：A 解答を投票する

出題：12

The SDH network does not change the structure and rate of the client-side signal.

A. True

B. False

正解：A 解答を投票する

出題：13

Which of the following is the multiplexing method of SDH?

A. Flexible mapping and synchronous multiplexing

B. Asynchronous multiplexing

C. Flexible mapping

D. Flexible mapping and asynchronous multiplexing

正解：A 解答を投票する

出題：14

In a 25GMSP ring consisting of four MSTP sites, which of the following statements about alarm reporting are correct when protection switching occurs?

A. Report APS-INDI alarm on the system control board

B. Report APS-INDI alarm on the board

C. APS-INDI alarm is reported on the XCS board

D. PS alarms are reported on the tributary board

正解：C 解答を投票する

出題：15

The switching mode of 1:N linear multiplexing segments is which of the following?

A. Double-ended recovery

B. Single-ended non-restorative

C. Double-ended non-restorative

D. Single-ended recovery

正解：A 解答を投票する

出題：16

Which of the following descriptions about the TNG2M 402D board is wrong?

A. Support ODUk SNCP protection and client side 1+1 protection

B. Dual-channel 100 Gbit/s wavelength conversion board

C. Support ASON function of optical layer

D. M402D can realize the wavelength division side optical signal in the extended C band 50GHz interval
96 wavelength range domestically adjustable

正解：C 解答を投票する

H31-311_V2.5試験無料問題集「Huawei HCIA-Transmission V2.5 認定」