H35-511-ENU Dumps Guarantee You Pass H35-511-ENU Exam Easily

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April 16, 2023

As new threats and vulnerabilities emerge, the H35-511-ENU exam is updated to reflect the latest trends in HCNP. By using H35-511-ENU exam dumps questions, you can ensure that you're staying up-to-date with the latest exam content and are fully prepared to address new challenges in Huawei Certified Network Professional-GSM RNP&RNO. Huawei H35-511-ENU exam dumps questions can help you optimize your preparation and ensure that you're fully prepared for the exam. Practice free Huawei H35-511-ENU exam dumps questions below.

Page 1 of 7

1. A serious uplink interference problem occurred in a certain network. Before checking the interfering cells, first turn off downlink power control for all cells and send idle bursts on all carrier frequencies. It is found that the interference bands in the traffic statistics of several cells have increased significantly, and some even appear at level 5.

What is the possible reason for this phenomenon?

Overlay

Tight frequency reuse

Antenna intermodulation performance degradation

Repeater failure

2. Which of the following statements about dBi, dBd, dBc are wrong? (Multiple choice)

dBi and dBd are the value of test gain (power gain), both are relative values

The reference base of dBi is a dipole, and the reference base of dBd is a dipole omnidirectional antenna

If antenna A is 12dBd and antenna B is 19dBd, it can be said that A is 2dBc smaller than B

dBc is a unit that expresses the relative value of power, which is exactly the same as the calculation method of dB

3. In the GSM system, after the mobile phone receives a paging message on the PCH channel, which of the following channels should it send CHANNEL REQUEST to request access?

RACH

AGCH

TCH

SDCCH

4. Which of the following switching is an emergency switching? (Multiple choice)

Concentric circle switching

TA switching

Poor quality switching

PBGT switching

5. The penetration rate of mobile users is not related to which of the following factors?

Local economic development

Fixed - telephone penetration

Total Population

Preferential measures for phone charges

6. The noise introduced by the repeater system is related to the noise figure of the equipment, and has nothing to do with the gain.

True

False

7. Increasing the number of frames in the same paging code can improve paging overload.

True

False

8. Assume that the usable frequency bandwidth is 6MHz, BCCH is multiplexed in 4x3, and there are 14 in total.

And TCH adopts 1x3 multiplexing, which of the following statements are correct? (Multiple choices)

The maximum station type that can be realized by interval grouping is S4/4/4

The maximum station type that can be realized by interval grouping is S4/3/3

The maximum station type that can be realized by sequential grouping is S4/4/4

The maximum station type that can be realized by sequential grouping is S3/3/3

9. In the frequency planning of a certain place, in addition to the main BCCH frequency point, a 6M frequency band is allocated for TCH, and 1x3 frequency hopping is adopted. In order to ensure that the same adjacent frequency collision does not occur in the same base station, what is the maximum station configuration?

S444

S555

S666

S777

10. The BSC received a location update rejection, which is the reason for the impossibility? (Multiple choice)

MS C is not configured with BSC related cell CGI

The communication between MSC and VLR fails

MS successfully registered in HLR

SCCP connection failure

Page 2 of 7

11. The "BTS measurement report preprocessing" switch is turned on. When it is set to "Yes", it reduces the Abis interface signaling and BSC load, which can improve response time and network performance.

True

False

12. What are the prerequisites for the mobile phone to be able to select a cell normally and successfully reside in the cell? (Multiple choice)

The cell is not prohibited from accessing.

The value of cell selection parameter C1 is greater than 0.

Does not belong to the location area in the "Domestic Roaming Prohibited Location Area" list

The mobile phone is not in arrears

13. When planning data relocation, which of the following methods can not only avoid large fluctuations in network quality, but also facilitate network engineering implementation? (Multiple choices)

Through the evaluation of the original network frequency planning, if it is found that there are major problems that cannot meet the needs of this relocation and expansion, and seriously affect the network quality, re-plan the frequency of the entire network or re-plan some areas as needed.

Use the original frequency planning, and adjust some frequencies or re-plan the frequency of the whole network according to the needs after the relocation.

Inherit the L AC and CI of the original network during relocation planning, and use all the planning data of the original network.

When planning the relocation, inherit the original network LAC and re-plan the C

When planning BSIC, shift the NCC if the original network is NCC is 0, 1, 2, change 0-> 3, 1->4, 2-> 5, and BCC remains unchanged.

14. Which of the following are reasons for community reselection? (Multiple choice)

C1 is less than 0 for 5 consecutive seconds

The radio link dead counter (RLT) is decremented to 0

Downlink failure (DSC reduced to 0)

In the same LAC, the neighbor cell C2 is larger than the serving cell C2 for 5 seconds.

15. How is the number of dropped calls calculated?

A: Wireless call drop

B: Call dropped during switching between BSCs

C: call dropped in BSC

D: Please select from the following formulas for call drop within the cell

A-(B+C+D)

A+B+C+D

A+B

A+D

16. In non-combination mode, BS_AG_BLKS_RE=4 ， BS_PA_MFRM=1 ， IMSI=460030912121187, calculate which paging group the MS belongs to?

17. Which of the following channel allocations has been realized by the Huawei II channel allocation algorithm? (Multiple choice)

Channel allocation based on whether it is a dynamic PDCH

Channel allocation based on interference measurements

Channel allocation based on TRX preference level

Channel allocation based on historical occupancy records

Channel allocation based on TRX power class

18. Set the interference band threshold 0 to 110, and the interference band threshold 1 to 105, indicating that the level range of the interference band 2 is: -110dBm ~-105dBm.

True

False

19. Which of the following descriptions about DT X is correct? (Multiple choice)

Downlink DTX only takes effect when both BSC and MSC are set to "On"

Uplink DTX only takes effect when both BSC and MSC are set to "ON"

Downlink DTX can effectively reduce network interference and improve network performance. It is recommended to enable downlink DTX in general scenarios

When the interference in the network is relatively large, turning on the downlink DTX may cause the SID frame to be mis-decoded into a voice frame, thereby introducing unexpected noise. At this time, turning on the downlink DTX also increases the risk of introducing noise

20. Which of the following is the formula for calculating EIRP?

BTS max. transmit power -BTS combiner and jumper loss -BTS feeder and connector loss -BTS antenna gain

BTS max. transmit power -BTS combiner toss

BTS max. transmit power - BTS combiner and jumper loss -BTS feeder and connector loss

None of the above is true

Page 3 of 7

21. In the same BSC, which wireless parameter settings in each cell should be consistent? (Multiple choice)

ATT

CRO

T3212

CGI

22. In general, the third-order intermodulation index of the mechanical downtilt antenna is better than that of the electric adjustment antenna.

True

False

23. What signaling can be transmitted on the slow associated channel SACCH? (Multiple choice)

User authentication

Power Control

System message

Measurement Report

24. Which of the following is incorrect for the description of the location area?

The location area is the area where the mobile station is paged

Try to divide the busy areas in the same location area

One location area can have more than two MSC

The size of a location area can be adjusted

25. Which of the descriptions about the location area is correct? (Multiple choice)

A location area can belong to different MSCs, as long as the MSC manufacturers are the same.

The system must ensure that the location information in the VLR, HLR and SIM card are consistent at any time.

If the same location area is used in the busy urban area and remote suburbs, the user may not be in the service area.

The boundary of location area division should be divided into areas with low traffic volume.

26. In wireless network coverage planning, what technologies are mainly used to improve coverage? (Multiple choices)

Extended time slot technology

Dual Antenna Feed Technology

Power Boost Technology

Cell Split

27. Which of the following parameter settings will affect the call drop performance of the mobile station? (Multiple choices)

Number of SACCH multiframes

Expand the number of transmission slots

Radio link failure counter

Number of blocks reserved for access grants

28. Which of the following GPRS/EDGE modes does not need to send measurement reports?

NC0

NC1

NC2

Both need to be sent

29. A type mobile phone cannot perform packet and circuit services at the same time, and cannot be attached to GPRS and GSM networks at the same time.

True

False

30. The value of cell reselection offset PI affects the calculation of C2 during cell reselection. If cell A and cell B are adjacent to each other, the CRO of cell A=10, the CRO of cell B=10, and the mobile phone resides in cell A. The MS test shows that C1=40 in cell A and C1=35 in cell B. It is known that PI=1 in cell A, PI=0 in cell B, and PT are both 0. What are the C2 values in cell A and cell B?

C2=50 in cell A, C2=45 in cell B

C2=50 in cell A and C2=35 in cell B

C2=40 in cell A and C2=45 in cell B

C2=35 in cell A and C2=50 in cell B

Page 4 of 7

31. Which of the following situations will trigger cell reselection (if the C2 algorithm has not been activated, C2=C1)? (Multiple choices)

MS calculates that the C2 value of a certain cell exceeds the C2 of the current cell for 5 consecutive seconds

The current serving cell is banned

MS monitoring downlink failure

MS random access, when the access attempt is still unsuccessful after the maximum retransmission

Wireless link timeout

The MS calculates that the C2 value of a certain cell (not in the same location area) exceeds the sum of the current cell C2 and the cell reselection hysteresis value for 5 consecutive seconds (if the cell reselection occurred in the previous 15 seconds, the cell reselection will not occur again)

32. What will happen when a user who is talking enters another LAC area from one LAC area?

Update the location first and then switch

Switch first, update the location after the call ends

Simultaneous handover and location update

None of the above is true

33. Under any condition of carrier-to-interference ratio, the data transmission rate of MCS9 channel coding method is higher than that of MCS5 channel coding method.

True

False

34. What does it mean when the power control permission (PWRC) is selected as "Yes"?

Allow uplink power control

Allow downlink power control

Uplink and downlink power control are not allowed

When baseband frequency hopping, the receiving level value obtained from the time slot of BCCH carrier frequency should be subtracted

35. During asynchronous handover, after the network side sends which message, it will start the u wireless link connection timer (3105). If the timer expires before the correct frame is received by the side, what message will the network resend and restart the timer?

PHYSICAL INFORMATION

HANDOVER REQUEST

HANDOVER REQUIRED

HANDOVER COMMAND

36. When the mobile phone is turned on or enters the coverage area from a blind area, which of the following conditions must be met before the mobile station can reside in the cell? (Multiple choices)

MS can correctly decode BCCH data

Confirm that the cell belongs to the selected MNC through data

Parameter=1 value is greater than 0

The cell is not prohibited from accessing

The priority of the cell is normal

37. Which of the following formulas is correct?

dBi=dBd+2.15

dBi=dBd+2.50

dBd =dBi+2.15

dBd=dBi+2.50

38. If the isolation between the transmitting and receiving antennas of the repeater cannot meet the requirements, the system will be self-excited.

True

False

39. Which of the following is not an item that needs to be input in the capacity planning of the community?

Circuit Service GOS

Busy-hour traffic volume per user for circuit services

Peak-to-average ratio of CS business

GPRS bandwidth per user during busy hours

40. Regarding the downlink TBF delayed release time parameter, which of the following statements is wrong?

This parameter is used to set the delay release time of downlink TBF

If this parameter is set smaller, it may lead to the continuous release and reconstruction of the downlink TBF, resulting in a decrease in the delay during the Attach and ping service delay tests

If the parameter is set larger, it will lead to waste of wireless resources and affect the access performance of other mobile phones in the network

Downlink delayed release is an optimization of the downlink release process

Page 5 of 7

41. Which of the following methods can reduce co-channel interference? (Multiple choice)

DTX

MHA

42. The uplink and downlink gains of the repeater can be set arbitrarily, and they are not related to each other.

True

False

43. For the GSM system, how many milliseconds does the mobile phone provide a measurement report to the network in the call state, and how many TCH multiframes are included in it?

480, 21

480, 4

3.69, 21

3.69, 4

44. Which of the following is the reason for the reselection of the community? (Multiple choice)

The cell becomes blocked

Phone switch failed

The bit error rate on the downlink is too high (the mobile station cannot decode the paging information)

Another cell's C2 is better than the current cell's C2 for more than 5 seconds

45. Regarding the power control principles of quality and level in Huawei’s second-generation power control algorithm, which of the following statements are correct? (Multiple choices)

When only the level or quality side needs to adjust the power, adjust it as needed.

When the level and quality requirements are adjusted in the opposite direction, and the level is required to decrease, no adjustment will be made. if the level is required to increase, it will be adjusted to increase.

When the adjustment direction of the level and quality is opposite, and the level requires the power to be reduced, the adjustment is to reduce the power. if the level is required to be increased, no adjustment is made.

When the level and quality are adjusted in the same direction, adjust according to the larger adjustment value.

46. Which of the following factors affect the effect of downlink coverage? (Multiple choice)

BTS antenna gain

Base station transmit power

MS transmit power

Mobile phone receiver sensitivity

47. When designing the coverage of the elevator shaft, it is usually considered to install a directional antenna at the bottom of the elevator shaft to cover the elevator upwards.

True

False

48. When the inter-BSC handover is successful, what message does the BSC send to the MSC?

HANDOVER COMPLETE

HANDOVER PERFORMED

HANDOVER SUCCEED

HANDOVER DETECT

49. Which of the following items need to be input in the capacity planning of the community? (Multiple choice)

Circuit Service GOS

The traffic volume of each user of the circuit service during busy hours

Peak - to-average ratio of CS business

GPRS bandwidth per user during busy hours

50. When the base station uses frequency hopping, regardless of the method, the frequency selection repeater cannot be used.

True

False

Page 6 of 7

51. Which statements are correct about PBGT (POWER BUDGET) switching? (Multiple choice)

The PBGT handover algorithm is based on path loss

The PBGT handover algorithm searches in real time whether there is a cell with a smaller path loss and meets certain system requirements, and judges whether handover is required

PBGT can be performed between any cell

PBGT switching brings at least the following benefits: solves the problem of over-area coverage. enables more flexible means of traffic guidance and control. can always provide users with the best service quality at present.

Only triggered on the TCH channel, not allowed on the SDCCH channel. Flexible use of PBGT handover algorithm can effectively avoid over-area coverage and co-adjacent frequency interference.

52. It is known that it takes 18.5us for the signal transmitted by the mobile phone to reach the base station, so how much should the mobile phone set T A in advance?

53. During the drive test, it was found that the power level of a certain neighboring cell is much higher than that of the serving cell but has not been switched over. What are the possible reasons? (Multiple choice)

The TCH channel uses downlink power control

Inaccurate reporting of measurement reports

The setting of "minimum time interval for service channel switching" is too large

Poor downlink reception quality

54. EFR stands for Enhanced Full Rate Speech Coding. It is a speech coding method that has nothing to do with data services and signaling services. Therefore, EFR does not need to be considered in the call signaling processing of data services and signaling services.

True

False

55. A location area is a subset of a routing area, and one or more location areas constitute a routing area.

True

False

56. One PDTCH can be mapped to one physical channel. How many PDTCHs can a MS allocate at most? (Different time slots in the same carrier frequency)?

57. During the handover process, which network entity decides the selection of the target cell?

All are decided by BS

All are determined by MS

It is decided by BSC within the same BSC, and by MSC between different BS

Within the same BSC, it is decided by MSC, and between different BSCs, it is decided by BS

58. There are BCCH frequency points of all adjacent cells in the BA2 table, which system message is used to send it to the MS?

System message 1

System message 2BI

System message 4

System message 5

59. What are the filtering algorithms supported by Power Control Algorithm III? (Multiple choices)

Mean filtering

Exponential filtering

Sliding window filtering

Logarithmic filtering

60. Routing Area Update is performed in which of the following mobility management states?

IDLE

ST AND BY

READY

Page 7 of 7

61. Which of the following information is included in the measurement report? (Multiple choice)

RXIev

Rxqual

BCCH

CGI

62. In the C1/C2 algorithm, in the measurement of cell reselection in the GPRS network, how often should the mobile station detect the BSIC of the BCCH carriers of the six strongest non-serving cells?

60 seconds

30 seconds

10 seconds

5 minutes

63. During the drive test, it was found that the power level of a certain neighboring cell is much higher than that of the serving cell but has not been switched over. What are the possible reasons? (Multiple choice)

The TCH channel uses downlink power control

Inaccurate reporting of measurement reports

The setting of "minimum time interval for service channel switching" is too large

Poor downlink reception quality

64. When analyzing the indoor coverage effect, the loss of the building must be considered. Which of the following statements about the loss of the building is incorrect?

The average penetration loss of buildings located in urban areas is smaller than that in suburban and remote areas

The loss of areas with windows is generally less than that of areas without windows

Losses in open areas of the building are less than in walled areas with corridors

Street walls with aluminum brackets have more losses than without aluminum brackets

65. During dual-frequency cooperation, if the traffic statistics show that the number of switching out of a certain cell is several times the number of switching in, it indicates that the mobile phone may switch away immediately after accessing the cell.

If you want the cell to absorb more traffic, which of the following methods can be used to adjust? (Multiple choice)

Appropriately lower the edge handover threshold of the cell.

Increase its priority, and at the same time properly adjust the interlayer switching threshold between the cell and the adjacent cell, and adjust the intensity of traffic absorption

Increase the inter-cell handover hysteresis with adjacent cells.

Properly reduce the CRO of the community.

66. It is recommended to set T3212 (periodical location update time limit) of different cells under the same location area in BSC to be the same, and both are greater than the periodic location update time set in MSC.

True

False

67. QoS (Quality of Serice) is the quality of GPRS network service. QoS is defined by which of the following attributes? (Multiple choice)

Priority

Reliability level

Access Level

Peak Throughput Class

Average Throughput Class

68. The downlink failure criterion is based on the downlink signaling link failure counter DSC.

When the mobile phone resides in a cell, the DSC is initialized to an integer closest to 90/N, which parameter is N?

BS -PA-MFRMS (frame number encoding between the same paging)

Tx-integer (number of extended transmission slots)

BS-AG-BLKS-RES (Access Allowed Reserved Blocks)

RLINKT (Radio Link Down Counter)

69. Which ones are correct in the evaluation of the relocation plan? (Multiple choice)

The large network relocation plan needs to be reviewed by the regional department and the company's technical support before it can be implemented to ensure the rationality, feasibility and correctness of the relocation technical plan.

After the on-site project team completes the network relocation planning report and the relocation and cutover plan, it must be sent to the person in charge of project monitoring (project manager and technical person in charge, if there is no project manager, submit it to the product manager of the regional department or the network optimization manager) for organization review and review results Cc Company Technical Support

For major projects or sensitive projects, the site is responsible for organizing the company's R&D, network planning, marketing, and GBSS technical support to conduct a second-level review with the site, and the review results are reviewed.

Projects that the site believes will not have problems after relocation do not need to be reviewed.

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