Huawei H31-311_V2.5-ENU Free Test Online: Test Free Demo To Check HCIA-Transmission V2.5 Exam Questions

The Huawei HCIA-Transmission certification has been updated to Version 2.5, candidates are required to pass the H31-311_V2.5-ENU exam successfully to earn the HCIA-Transmission V2.5 certification. We released the newest Huawei H31-311_V2.5-ENU exam questions online to help you prepare for the Huawei HCIA-Transmission V2.5 exam well.

Huawei H31-311_V2.5-ENU exam questions of HCDAtest are great and are based on the actual exam contents and outlines. We have collected 471 practice questions and answers to help you start learning and will guarantee that you can pass the HCIA-Transmission V2.5 H31-311_V2.5-ENU exam successfully. We have Huawei H31-311_V2.5-ENU free test online to help you test free demo to check the quality of Huawei H31-311_V2.5-ENU exam questions. If have any other questions, you can contact us via mail: [email protected].

Begin to Test:

1. In the windows operating system, the log file of the U2000 program itself is stored in which of the following directories of the U2000 installation drive letter?

/U2000/server

/U2000/client/log

/U2000/server/log

/U2000/client

Question 1 of 25

2. Which of the following is wrong about LCAS?

When some members fail, other members still transmit data normally; when the failed members are repaired, the bandwidth of the virtual concatenation group can be automatically restored

If the belt curtain of a certain VCTrunk is not suitable, you need to increase or decrease the belt curtain, and adjust the belt curtain through LCAS, you only need to increase or decrease the number of VCTrunk members to achieve a smooth upgrade of the belt curtain without interrupting the business

WTR_TIMR is the waiting recovery time, which refers to the waiting time to join the LCAS virtual concatenation group after the time slot shielded by LCAS changes from bad to good

Use SDH overhead bytes (K4 for high-order virtual concatenation, H4 for low-order virtual concatenation) to carry control information, and perform handshake operations between the source and sink

Question 2 of 25

3. Among the maintenance signals at the ODUk level, which of the following maintenance signals are included in the STAT bits of PM and TCM? (Multiple choice)

AIS

OCI

LCK

IAE

Question 3 of 25

4. For the network to have protection capabilities, which one must be met first?

Line rate

Interface type

Alternate channel

Topological Results

Question 4 of 25

5. After the network sends a fiber cut, which of the following alarms does not appear when the 1+1 linear multiplex section protection is configured?

R_LOS

APS_INDI

MS_APS_INDI_EX

HP_LOM

Question 5 of 25

6. Which type of veneer does TQM belong to?

Tributary board

Circuit board

Branch line integration board

Light enlarged version

Question 6 of 25

7. The frame structure of TU3 is a bit incomplete, and the gap needs to be filled. Which of the following phenomena can be effectively prevented by doing so?

Bit errors

Slip code

Scrambling

Dropped frames

Question 7 of 25

8. Regarding the use of the J0 byte, which of the following statements are correct? (Multiple choice)

This byte is used to repeatedly send the segment access point identifier

There is only one J0 byte in the STM-N frame

J0 byte mismatch, insert all "1" into the lower signal

The J0 byte can indicate the position of each STM-1 in the STM-N

Question 8 of 25

9. PWE3 is a Layer 2 service bearer technology that can imitate the basic behavior and characteristics of which of the following services as realistically as possible in the packet switching network PSN?

ATMs

Ethernet

TDM

All of the above

Question 9 of 25

10. Which of the following items does the MAC forwarding table contain? (Multiple choice)

IP address

MAC address

A port number or set of port numbers

If the VLAN is divided on the switch, it also includes the VLAN ID

Question 10 of 25

11. MPLS can be nested in multiple layers technically, there is no limit, only limited by which of the following and it has good scalability?

VLAN

Ethernet packet length

The processing power of the equipment

Latency issues

Question 11 of 25

12. PWRA, PWRB, and PWRC on the SSN1GSCC board correspond to the alarm objects, and which of the following options is correct?

Road A-48V power indicator light B-way-48V power indicator system+3.3V backup power indicator

Road A-48V power indicator light B-way-48V power indicator system+5.0V backup power indicator

-48V power indicator system + 5.0 V backup power indicator system + 3. 3V backup power indicator

-48V power indicator system + 3. 3V backup power indicator system + 5.0V backup power indicator

Question 12 of 25

13. Which of the following descriptions of ODUk_PM_BDI is correct?

ODUk _ PM signal degradation

ODUk PM segment BIP 8 bit error limit exceeded

ODUk _ PM backward defect indication

ODUk _ PM open connection indication

Question 13 of 25

14. Which of the following networking forms supports extra service configuration?

1:N linear multiplex section

1+1 linear multiplex section

SNCP Protection

PP ring protection

Question 14 of 25

15. Regarding the comparison between Raman amplifier and EDFA, which of the following statements is wrong?

The Raman amplifier can amplify signals of different bands by selecting different pump sources, so the Raman amplifier has no gain bandwidth limit in theory, while the gain band curtain of the EDFA has a range

The gain calculation/test method of the Raman amplifier is consistent with that of the EDFA, both are "gain = output power - input power"

The gain medium of Raman amplifier is transmission fiber; while the gain medium of EDFA is EDF (erbium-doped fiber)

The equivalent noise figure of the Raman amplifier is smaller than that of the EDFA

Question 15 of 25

16. Which of the following problems highlight the existence of QinQ mainly for the network? (Multiple choice)

The single board supporting MPLS function is generally expensive, which is unaffordable for small users

Layer 3 switches of many manufacturers do not support MPLS function

Network configuration and maintenance work is relatively complicated

The VLAN space of the network is insufficient

Question 16 of 25

17. The receiving end performs BIP- 8 check on the received STM-16 frame before descrambling, and the result obtained is different from the B1 byte of the next STM-16 frame received or the result is 100 01100, then this means There are several error blocks in the STM -16 frame, which of the following options is correct?

Question 17 of 25

18. Which of the following optical loss alarms will not cause service interruption? (Multiple choice)

CHAN_LOS

R_LOS

MUT_LOS

OSC_LOS

Question 18 of 25

19. Which of the following is not a passive optical device? (Multiple choice)

Lasers

Optical switch

filter

Grating

Modulator

Question 19 of 25

20. Which of the following aspects are the main advantages of SDH? (Multiple choices)

Interface specification

Synchronous multiplexing

OAM is powerful

Strong compatibility

Large capacity

Question 20 of 25

21. Which of the following is the common point between the two-fiber bidirectional multiplex section shared protection ring and the four-fiber bidirectional multiplex section protection ring?

Section switching

Agreement required

The multiplex section protocol travels on the protection channel

The network capacity is K*STM-N

Question 21 of 25

22. Which of the following network element forms completes the cross-multiplexing between branches and lines, between lines and lines, and service up and down?

ADM

REG

DXC

Question 22 of 25

23. Which of the following alarms will not be generated for the alarm?

R-LOS

MS-AIS

T U-AIS

HP-TIM

Question 23 of 25

24. Which of the following is correct in describing the order in which the signal flow between the SDH interface and the crossover unit flows through the module unit?

SPI<>RST<>MST<>MSP<>MSA<>HPT

SPI<>RST<>MSA<>MSP<>MST<>HPT

SPI<>MST<>RST<>MSA<>MSP<>HPT

SPT<>MST<>MSA<>RST<>MSP<>HPT

Question 24 of 25

25. If there is no interface board on the hardware, which indicator light of SSN1PQ1 will be red?

STAT

ACT

PROG

ARV

Question 25 of 25

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