Rno

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Rno


Questions and Answers
  • 1. 
    Which standarization body is responsibilefor developing the CDMA2000 technical standards?
    • A. 

      3GPP2

    • B. 

      ITU

    • C. 

      3GPP

    • D. 

      IETF

  • 2. 
    • A. 

      To advice a UE that the system is ready for new originating call

    • B. 

      To advice a UE about important changes in the system information.

    • C. 

      To advice a UE of a terminating text message.

    • D. 

      To advice a UE that the load is reaching its maximum allowed value.

  • 3. 
    Which three frequencies bw are defined in the 3GPP standared for use in LTE N/W ?
    • A. 

      1.25 mhz

    • B. 

      1.4 mhz

    • C. 

      3 mhz

    • D. 

      7.5 mhz

    • E. 

      10 mhz

  • 4. 
    Which standarization body is responsibilefor developing the GSM technical standards?
    • A. 

      3GPP2

    • B. 

      ITU

    • C. 

      3GPP

    • D. 

      IETF

  • 5. 
    Which two LTE/SAE entities originate and terminate NAS signaling ?(choose 2)
    • A. 

      UE

    • B. 

      ENB

    • C. 

      MME

    • D. 

      S-GW

  • 6. 
    • A. 

      AMR improves the mean opinion score (MOS) by selecting the proper modulation based on the road channel quality.

    • B. 

      AMR extends the radio coverage by adapting the robustness to channel orrors.

    • C. 

      Any bit rate below 12.2 kbps is available for call setup.

    • D. 

      Both full rate & half rate are allowed when using AMR

  • 7. 
    An LTE coverage is configured with random access format 0, then what will be the approx maximum cell range ?
    • A. 

      7 km

    • B. 

      15 km

    • C. 

      30 km

    • D. 

      80 km

  • 8. 
    A customer has identified problem in the outdoor location in a high loaded dense area. There appears to be a problem in the downlink due to interference and poor dominance, signal levels are high.Downtilt are at their max values. What 2 actions can resolve the issue?
    • A. 

      Add a small outdoor cell in the same RAT & frequency.

    • B. 

      InStall TMA/RRU

    • C. 

      Decrease anteena height

    • D. 

      Offlaod traffic to a different RAT

  • 9. 
    What are 3 functions of ANR LTE feature set?
    • A. 

      Automatically adjust individual cell offset

    • B. 

      Automatically setup WCDMA neighbor relations

    • C. 

      Prevent PCI conflicts occuring

    • D. 

      Remove unused neighbor relations

    • E. 

      Automatically setup realtions when needed

  • 10. 
    • A. 

      The TA command send to the enb will increase

    • B. 

      The TA command send to the UE will increase

    • C. 

      The TA command send to the ENB will decrease

    • D. 

      The TA command send to the UE will decerease

  • 11. 
    During an integration DT, dropped calles are caused by a missing nbr,?
    • A. 

      Implement new scrambling code plan

    • B. 

      Reduce CPICH power of detected Cell

    • C. 

      Reduce CPICH power of new site

    • D. 

      Adjust intercell ho parametr in both sites

  • 12. 
    In a dense urban area , the traffic load has increased significantly since the last freq plan. A large number of TRX has been deployed for managing the traffic. The DL quality has been degraded. Taking account that the available bw is limited whaich strategy should we use?
    • A. 

      Impelement a new BSIC plan

    • B. 

      Impelement a new BCCH plan

    • C. 

      Impelement a new MAIO plan

    • D. 

      Impelement a new PSC plan

  • 13. 
    For GSM DT, data processing , what information is mendatory to assign the cell name ?
    • A. 

      Sector name BSIC-MAIO mapping

    • B. 

      Sector name BCCH-MAIO mapping

    • C. 

      Sector name BCCH-BSIC mapping

    • D. 

      BCCH BSIC-MAIO mapping

  • 14. 
    • A. 

      Geo sector location

    • B. 

      MOS statistics

    • C. 

      N/W performance statistics

    • D. 

      Interference matrix

  • 15. 
    • A. 

      Anteena radiation gain per pixel

    • B. 

      Anteena radiation gain per cell

    • C. 

      Downlink load factor per cell

    • D. 

      Downlink load factor per pixel

  • 16. 
    • A. 

      Automated n/w planning

    • B. 

      Coevarage prediction

    • C. 

      Worst offenders detection

    • D. 

      Performance monitoring

  • 17. 
    In the exhibit, the transmitters in Cell A and Cell B are configured to transmit at maximum output power. Which statement correctly describes the EIRP of the two cells? Some image will be there
    • A. 

      Cell A is 3 dB higher EIRP than Cell B.

    • B. 

      Cell A has the same EIRP as Cell B.

    • C. 

      Cell A is 3 dB lower EIRP than Cell B.

    • D. 

      Cell A is 6 dB lower EIRP than Cell B.

  • 18. 
    What are two advantages of soft handover in a WCDMA network? (Choose two.)
    • A. 

      UE uses several radio links which require less channelization codes.

    • B. 

      Can reduce UE transmit power.

    • C. 

      UE uses less resources on the IuB and Iur interfaces.

    • D. 

      Overcomes fading through macro diversity.

  • 19. 
    Which three categories are used by the UE to classify measured Primary Scrambling Codes (PSC)? (Choose three.)
    • A. 

      Active Set

    • B. 

      Monitored Set

    • C. 

      Connected Set

    • D. 

      Detected Set

    • E. 

      Idle Set

  • 20. 
    A UE records an RSRP measurement of -100 dBm with no reference signal power boosting. The measured average noise across 50 physical resource blocks is -120 dBm per 15 kHz. What is the measured downlink RS-SINR in dB?
    • A. 

      -20 dB

    • B. 

      1.2 dB

    • C. 

      3.33 dB

    • D. 

      20 dB

  • 21. 
    • A. 

      RACH

    • B. 

      FACH

    • C. 

      BCCH

    • D. 

      SDCCH

  • 22. 
    • A. 

      SC-FDMA separates uplink transmissions in the time and/or frequency domain.

    • B. 

      SC-FDMA is beneficial because it avoids intra-cell interference.

    • C. 

      SC-FDMA is beneficial because it avoids inter-cell interference.

    • D. 

      SC-FDMA allows simultaneous uplink transmissions on the same physical resource blocks.

  • 23. 
    Which channel is dedicated in a GSM system to provide a reliable connection for signaling and Short Message Service (SMS) messages?
    • A. 

      TCH

    • B. 

      SDCCH

    • C. 

      SCCH

    • D. 

      BCCH

  • 24. 
    Which statement describes 2x2 Downlink MIMO operations in LTE?
    • A. 

      2x2 MIMO can double downlink throughputs in areas of low SINR when the two data streams are transmitted from co-polar antenna elements.

    • B. 

      2x2 MIMO can double downlink throughputs in areas of low SINR when the two data streams are transmitted from cross polar antenna elements.

    • C. 

      2x2 MIMO can double downlink throughputs in areas of high SINR when the two data streams are transmitted from co-polar antenna elements.

    • D. 

      2x2 MIMO can double downlink throughputs in areas of high SINR when the two data streams are transmitted from cross polar antenna elements.

  • 25. 
    • A. 

      Physical Uplink Control Channel (PUCCH)

    • B. 

      Physical Uplink Shared Channel (PUSCH)

    • C. 

      Physical Downlink Control Channel (PDCCH)

    • D. 

      Physical Random Access Channel (PRACH)

  • 26. 
    • A. 

      It is the process of tuning a transmitter’s output frequency to a designated channel.

    • B. 

      It is the process of tuning multiple transmitters to designated output frequency channels.

    • C. 

      It is the process of tuning the propagation model based on frequency usage.

    • D. 

      It is the process of tuning the RF parameters per frequency band.

  • 27. 
    Which scenario represents the uplink cell breathing effect?
    • A. 

      Link budget is reduced when interference decreases.

    • B. 

      Quality degrades when intercell interference increases.

    • C. 

      Throughput per user decreases when traffic decreases.

    • D. 

      Cell size decreases when intracell interference increases

  • 28. 
    In a WCDMA network, traffic increases while the geographical user distribution and the PA power remain the same. What are two results? (Choose two.)
    • A. 

      cell breathing increases

    • B. 

      cell breathing decreases

    • C. 

      power per user increases

    • D. 

      power per user decreases

  • 29. 
    • A. 

      to extend the battery life of the MS

    • B. 

      to reduce the power consumption of the BTS

    • C. 

      to allow the uplink channel sharing during non-transmission time slots

    • D. 

      to improve the uplink interference by halting the transmission

  • 30. 
    Which statement describes power control on an HS-PDSCH channel?
    • A. 

      Regular open loop power control is used.

    • B. 

      Inner closed loop power control is used.

    • C. 

      Outer loop power control is used.

    • D. 

      Dynamic power control is not used.

  • 31. 
    • A. 

      SRVCC

    • B. 

      VoLTE

    • C. 

      CSFB

    • D. 

      RoHC

  • 32. 
    Which modulation scheme would be expected in an LTE network with high traffic load experiencing inter-cell interference where SINR_DL=-5 dB and RSRP=-105 dBm?
    • A. 

      16 QAM

    • B. 

      GMSK

    • C. 

      64 QAM

    • D. 

      QPSK

  • 33. 
    Which two functions are performed by the BSC in a GSM network? (Choose two.)
    • A. 

      Trigger mobility procedures during a speech connection.

    • B. 

      Take into account the timing advance to adjust the BTS timing.

    • C. 

      Trigger the location area update procedure.

    • D. 

      Control the MS transmitted power during a speech call.

  • 34. 
    • A. 

      The cell transmit antennas have been connected in cross polar.

    • B. 

      The cell transmit antennas have been connected in co-polar.

    • C. 

      Both feeders have been swapped with an adjacent cell.

    • D. 

      One feeder has been swapped with an adjacent cell.

  • 35. 
    • A. 

      When the pathloss is high, the Ping test protocol ceases working so that the UE can transmit control signaling to the BTS.

    • B. 

      When the pathloss is high, the BTS allocates fewer physical resource blocks in the downlink increasing data transmission times.

    • C. 

      When the pathloss is high, the block error rate (BLER) increases which leads to HARQ retransmissions increasing total transmit times.

    • D. 

      When the pathloss is high, the physical distance to the base station is always much larger.

  • 36. 
    A customer has a dual band network. After frequency refarming, the available GSM spectrum is greatly reduced, and quality has degraded. Which feature should be deployed with high priority?
    • A. 

      Overlaid/Underlaid Subcell

    • B. 

      BTS Power Saving

    • C. 

      Extended Range Cell

    • D. 

      Directed Retry

  • 37. 
    What are two purposes for traffic balancing in WCDMA networks? (Choose two.)
    • A. 

      to relieve localized congestion problems

    • B. 

      to increase the 3G-2G handover success rate

    • C. 

      to reduce the ping pong effect in the 3G-2G idle reselection process

    • D. 

      to increase HSDPA throughput

  • 38. 
    A new 3G site is going to be integrated into an urban environment with a high traffic load. What would you do to optimize the area?
    • A. 

      Increase the CPICH power in the surrounding cells.

    • B. 

      Increase the soft handover window in the surrounding cells.

    • C. 

      Increase the downtilt in the surrounding cells.

    • D. 

      Increase the admission control thresholds in the surrounding cells.

  • 39. 
    During a drive test analysis, several iRAT handovers are triggered by uplink interference. The cluster is in a city center area and has good coverage. The uplink RTWP network statistics are shown in the exhibit. What would be the root cause of this issue?
    • A. 

      A lack of uplink channel elements during busy hours is causing both high uplink interference and iRAT handovers.

    • B. 

      Pilot pollution due to traffic load is causing high uplink RTWP peaks at the busy hour.

    • C. 

      External interference is causing high uplink noise during low traffic hours.

    • D. 

      iRAT handover signaling load is increasing the uplink noise.

  • 40. 
    Which two actions are related with the “Fast Return to LTE after Call Release” GSM feature? (Choose two.)
    • A. 

      GSM to LTE handover procedures

    • B. 

      CS fallback

    • C. 

      GSM-LTE cell reselection

    • D. 

      GSM-LTE drop per minute improvement

  • 41. 
    A customer suspects that its GSM network has problems with overshooting. An initial problem analysis must be completed using network statistics. Which two metrics would you verify with highest priority? (Choose two.)
    • A. 

      timing advance

    • B. 

      RxLev

    • C. 

      interference matrix

    • D. 

      RxQual

  • 42. 
    Which statement describes the behavior of shifted Reference Symbols (RS) in an LTE network?
    • A. 

      The RS location is shifted in frequency to ensure that all cells transmit RS on the same frequency.

    • B. 

      The RS location is shifted in time to ensure that the Primary Synchronization Signal (PSS) in adjacent cells is transmitted in different sub-frames.

    • C. 

      The RS location is shifted in frequency to avoid clashing with RS transmitted by adjacent cells.

    • D. 

      The RS location is shifted in time to ensure that RS avoids clashing with traffic channels on adjacent cells.

  • 43. 
    • A. 

      It is a process that only blocks guaranteed bit rate traffic from handing over into a cell.

    • B. 

      It is a process that allows rate reduction or pre-emption of lower priority users to allow admission of more users on the cell.

    • C. 

      It is a process that constantly monitors dynamic resources like Non-HSDPA downlink transmitted carrier power to ensure that these are not overloaded by existing users on the cell.

    • D. 

      It is a process that disconnects inactive users to allow new admission attempts.

  • 44. 
    • A. 

      initial access to a cell

    • B. 

      handover between cells

    • C. 

      data transmissions in the downlink

    • D. 

      transmission of sounding reference symbols

    • E. 

      re-establishment of a radio link after a radio link failure

  • 45. 
    In an Ericsson solution, which condition should be fulfilled to trigger non HS (DCH) Inter Frequency Load Sharing?
    • A. 

      The target cell should be declared as an inter frequency neighbor of the source cell.

    • B. 

      The RAB Establishment should come from IDLE mode using SRB.

    • C. 

      The path loss should be above the configured threshold.

    • D. 

      There should be differences in the services supported by the source cell and target cell.

  • 46. 
    In the Ericsson LTE system, what are two benefits of Delay-Based Scheduler and Grant Estimation? (Choose two.)
    • A. 

      It improves uplink coverage by scheduling all HARQ redundancy versions in a row to minimize delay.

    • B. 

      It improves mobile broadband user experience when the cell has high VoIP load.

    • C. 

      It improves VoIP capacity for a specific mobile broadband load.

    • D. 

      It reduces delay by decreasing the size of a VoIP packet to reduce the need for buffer status reports.

  • 47. 
    • A. 

      LTE users can maintain a 3G speech call between LTE and other RATs.

    • B. 

      LTE users are redirected to another RAT if poor coverage is detected on the LTE network.

    • C. 

      Specific users are given high priority to ensure higher retainability.

    • D. 

      Specific users are given high priority to ensure higher accessibility.

  • 48. 
    A customer has identified problems in an indoor, medium loaded, urban area of a GSM/UMTS collocated network. The problem seems to be in the uplink. The signal received by the problematic site is high, and the downlink signal in the problematic area is acceptable. Which two actions would you use to troubleshoot the issue? (Choose two.)
    • A. 

      Decrease base station transmission power.

    • B. 

      Investigate external interference.

    • C. 

      Add a pico cell in the same RAT and frequency.

    • D. 

      Run a PIM analysis.

  • 49. 
    You have a GSM network with high drop call rate (DCR) due to interference (high RxQual 5-7). What will resolve this situation?
    • A. 

      handover optimization

    • B. 

      frequency planning optimization

    • C. 

      traffic balance

    • D. 

      reselection optimization

  • 50. 
    You have a GSM cell reporting HO drop rate issues. Which two parameters would you tune to solve the problem? (Choose two.)
    • A. 

      power budget handover parameters

    • B. 

      soft handover parameters

    • C. 

      admission control parameters

    • D. 

      multi-band handover handling parameters

  • 51. 
    In a dense urban area, signaling congestion has been detected among the cells covering a highway; two Location Area Codes (LAC) are covering the road. In addition to a new location area plan, which action would you perform to resolve the problem?
    • A. 

      Increase the number of SDCCH channels to relieve congestion.

    • B. 

      Perform a new optimized frequency plan to relieve congestion.

    • C. 

      Increase the GPRS reserved time slots to relieve congestion.

    • D. 

      Enable the half-rate feature to reduce the load by allowing two users per time slot.

  • 52. 
    In a mobile network, from where are performance statistics collected?
    • A. 

      the customer complaint database

    • B. 

      configuration management tools

    • C. 

      propagation prediction tools

    • D. 

      all network elements

  • 53. 
    You are searching for a tool to fully cover an RF optimization exercise for a WCDMA only network. In addition to automatic antenna changes, which two optimization capabilities would you expect? (Choose two.)
    • A. 

      neighbor optimization

    • B. 

      PSC optimization

    • C. 

      BSIC optimization

    • D. 

      PCI optimization

  • 54. 
    • A. 

      It provides accurate dimensioning of every Iub interface.

    • B. 

      It adapts the network configuration to every RF scenario.

    • C. 

      It provides less complex network configuration.

    • D. 

      It reduces hardware maintenance in the network.

  • 55. 
    • A. 

      Drive Less tuning automatically introduces autonomous "open loop" parameter optimization.

    • B. 

      Drive Less tuning captures the in-building user experience.

    • C. 

      Geo-location accuracy is higher than using a traditional drive test.

    • D. 

      Drive Less tuning introduces Operational Expenditure (OpEx) reduction.

  • 56. 
    • A. 

      physical data

    • B. 

      BTS hardware constraints

    • C. 

      frequency allocation strategy

    • D. 

      measurements

    • E. 

      optimization cost

  • 57. 
    Which two tasks should be completed when planning cluster drive routes? (Choose two.)
    • A. 

      Sample each cell in a range of radio conditions.

    • B. 

      Run the drive as fast as possible.

    • C. 

      Uniformly sample the cluster.

    • D. 

      Use high dense samples in border areas of the cluster.

  • 58. 
    • A. 

      performance management data from the OSS

    • B. 

      antenna patterns

    • C. 

      Mean Opinion Score (MOS) data

    • D. 

      digital elevation map

  • 59. 
    • A. 

      Multiple anteenas capture additional energy increasing the signal levels input to the reciever.

    • B. 

      Multiple anteenas expierence different fading conditions which stastically lead to an overall improvement SINR

    • C. 

      Multiple anteenas provide visual benefits which improves the chances of obtaining planning approvals for a site build.

    • D. 

      Multiple anteenas provide rejection for transmission of nearby sites which use adjecent frequency band

  • 60. 
    • A. 

      To interface to the site backhaul transmission

    • B. 

      To provide RF filtering to overcome reciever blocking & interference

    • C. 

      To prepare DL transmission to send to the Radio unit.

    • D. 

      To under take uplink basband processing of signals received from the radio units.

    • E. 

      To aggrigate signals from multiple technologies for transmission over IP back haul.

  • 61. 
    Whichh 3 characterstics influence the capacity of WCDMA cell? Choose three?
    • A. 

      The output power

    • B. 

      The number of configured channel elements

    • C. 

      The number of hopping time slots configured

    • D. 

      The number of radio carriers configured

    • E. 

      The vertical beam width of anteena

  • 62. 
    • A. 

      20 km

    • B. 

      35 km

    • C. 

      70 km

    • D. 

      140 km

  • 63. 
    • A. 

      It keeps the uplink transmission power as high as possible according to the UE range.

    • B. 

      It keeps the UE transmission power to maintain downlink BLER to the target value.

    • C. 

      It equally shares the maximum available uplink margin among the connected users according to the servicesrequested.

    • D. 

      It tries to keep the SIR close to the SIR target value as defined by the RNC.

  • 64. 
    You want to support downlink 2X2 single user MIMO. What are two req to do this?
    • A. 

      You must have atleast two transmit anteenas on the cell

    • B. 

      You must have two transmit anteena elements on the UE.

    • C. 

      You must have atleast two receiving anteena elements on the cell.

    • D. 

      You must have two receiving anteena elements on the UE.

  • 65. 
    What does soft handover provide?
    • A. 

      Frequency diversity gain

    • B. 

      Spatial diversity gain

    • C. 

      Time diversity gain

    • D. 

      Wavelength diversity gain

  • 66. 
    • A. 

      It is the process of tuning a transmitter's output freq to the designated cell.

    • B. 

      It is the process of tuning multiple transmitter s to the designated output freq channels.

    • C. 

      It is the process of tuning the propogation model based on freq usage.

    • D. 

      It is the process of tuning the RF parameters per freq band.

  • 67. 
    • A. 

      To extend the battery life of MS.

    • B. 

      To reduce the power consumtion of BTS.

    • C. 

      To allow the UL channel sharing during non-transmission time slot.

    • D. 

      To improve the UL interference by halting the transmission.

  • 68. 
    Which intrafrequency mobility procedure are used in an HSDPA connection by the user data channel ?
    • A. 

      Soft & softer HO are available for both in HSPA & EUL.

    • B. 

      Softer but not soft HO is available for both HSPA & EUL

    • C. 

      No intra freq HO mobility is allowed on HSPA &EUL.

    • D. 

      Soft & softer HO are available in EUL but not in HSDPA.

  • 69. 
    Which statement describes the operation of link adaptation in LTE ?
    • A. 

      Link adptation dynamically adjust the modulation scheme and coding rate used over the air interface to maximize data thrput based on radio conditions

    • B. 

      Link adptation dynamically adjust the modulation scheme and frequecny used over the air interface to maximize data thrput based on radio conditions

    • C. 

      Link adptation dynamically adjust the coding rate and frequecny used over the air interface to maximize data thrput based on radio conditions

    • D. 

      Link adptation dynamically adjust the PRACH rooot sequency and frequecny used over the air interface to maximize data thrput based on radio conditions

  • 70. 
    Which scenario represent the UL cell bredthing effect ?
    • A. 

      Link budget is reduced when interference decreases

    • B. 

      Quality degrades when intercell interference increases.

    • C. 

      Thrpt per user decreases when traffic increases.

    • D. 

      Cell size decreases when intracell interference increases.

  • 71. 
    • A. 

      A data trasnmission from users in other cells

    • B. 

      A data trasnmission from users in same cells

    • C. 

      In-band signals transmitted by other base stations

    • D. 

      Random access attempts from users in the same cell.

  • 72. 
    • A. 

      2 X 20W

    • B. 

      2 X 40W

    • C. 

      2 X 60W

    • D. 

      2 X 80W

  • 73. 
    • A. 

      It is a process that only blocks guranteed bit rate traffic from handling over into a cell.

    • B. 

      It is a process that allows rate reduction or pre-emption of lower priority user to allow admission of more users in the cell.

    • C. 

      It is aprocess which constantly monitors dynamic resources like non-hsdpa dl transmitted carrier power to ensure that these are not overloaded by existing users on the cell.

    • D. 

      It is a process that disconnects inactive users to allow admission attempts.

  • 74. 
    Which three functions in LTE make use of the random access process to establish timing advance information for communication with the serving cell?
    • A. 

      Initial access to a cell.

    • B. 

      HO between cells

    • C. 

      Data transmission in DL.

    • D. 

      Re-establishment of a radio link after radio link failure

  • 75. 
    • A. 

      Change HO parameters to balance traffic in colocated cells.

    • B. 

      Change HO parameters to balance traffic to its ajecent cells with in same band.

    • C. 

      Adjust the adminssion control parameters to allow more users to be accepted in the cell

    • D. 

      Impelent the half rate feature.

  • 76. 
    A customer has a dual band N/W. after freq refarming, the available GSM spectrum is greatly reduced, and quality degraded. Which feature should deployed in hight priority ?
    • A. 

      Overlaid/underlaid sub cell

    • B. 

      BTS power saving

    • C. 

      Extended range cell

    • D. 

      Directed retry

  • 77. 
    A customer suspected that its GSM N/W has problem with overshooting. An initail problem analysis must be completed using network statictics. Which two metrices would you verify with highest priority ? Choose two
    • A. 

      Timing advance

    • B. 

      RXLev

    • C. 

      Interference matrix

    • D. 

      RxQual

  • 78. 
    • A. 

      To realise DCH resources

    • B. 

      To enable power control in the cell

    • C. 

      To decrease UE power consumtion

    • D. 

      To increase the time to declare radio link failure.

  • 79. 
    An engineer wants to downtilt the back lobe of an anteena which two actions would be valid ?
    • A. 

      Apply downtilt using electrical tilt

    • B. 

      Apply uptilt using electrical tilt

    • C. 

      Apply downtilt using mechanical tilt

    • D. 

      Apply uptilt using mechanical tilt

  • 80. 
    You have a dense urban environment where the inter site destance is 250 m, and tri sector sites are configured across the area. Which commercial anteena pattern would reduce the interference ?
    • A. 

      Horizontal beamwidth =12 degree.

    • B. 

      Horizontal beamwidth =65 degree.

    • C. 

      Horizontal beamwidth =90 degree.

    • D. 

      Horizontal beamwidth =110 degree.

  • 81. 
    • A. 

      BPSK

    • B. 

      QPSK

    • C. 

      AQPSK

    • D. 

      GMSK

  • 82. 
    • A. 

      Drive less tuning automatically introduces atonomous open loop parameter optmization.

    • B. 

      Drive less tuning captures in building user expereince

    • C. 

      Geo- location accuracy is higher than using traditional DT.

    • D. 

      Drive less tuning introduces operational cost(opex)

  • 83. 
    You are searching for a tool to fully cover an RF optimisation exercise for a WCDMA only N/W . In addition to Automatic anteena changes which 2 optmization capabilities would you expect?
    • A. 

      Neighbor optmization

    • B. 

      PSC optmization

    • C. 

      BSIC optmization

    • D. 

      PCI optmization

  • 84. 
    • A. 

      Physical data

    • B. 

      BTS hardware constraints

    • C. 

      Freq allocation strategy

    • D. 

      Measurements

    • E. 

      Optimization cost

  • 85. 
    Which type of call would you perform in a drive test to verify the accebility of a cell?
    • A. 

      Continues call

    • B. 

      Long calls( 5 minute + 5 minutes idle)

    • C. 

      Short calls( 15 seconds + 15 seconds idle)

    • D. 

      No call ( idle state)

  • 86. 
    • A. 

      A1

    • B. 

      A2

    • C. 

      B1

    • D. 

      B2

  • 87. 
    Which are things able to measure from Drive test?
    • A. 

      DL Interference

    • B. 

      UL Interference

    • C. 

      Other Operator Traffic Volume

    • D. 

      Other Operator DL RX-Level Volume

  • 88. 
    In Multimode RBS where GSM 900 & WCDMA 900 are configured both are radiating,which RF antenna control
    • A. 

      Both will share same carrier bandwidth

    • B. 

      Both will share same antenna tilts

    • C. 

      Both will share same cell EIRP

    • D. 

      Both will share same antenna azimuth

  • 89. 
    • A. 

      1.25MHz

    • B. 

      1.4 MHz

    • C. 

      5 MHz

    • D. 

      20 MHz

  • 90. 
    Which standarization body is responsibilefor developing the WCDMA/LTE technical standards?
    • A. 

      3GPP2

    • B. 

      ITU

    • C. 

      3GPP

    • D. 

      IETF

  • 91. 
    • A. 

      600

    • B. 

      900

    • C. 

      1400

    • D. 

      1900

    • E. 

      2100

  • 92. 
    In Dense Urban area of LTE network intercell interference is high which optimization method will prefer.
    • A. 

      M - 0 & E - 0

    • B. 

      M - 0 & E - 1

    • C. 

      M - 0 & E - 6

    • D. 

      M - 6 & E - 0

  • 93. 
    What are the 3 functions of RRU?
    • A. 

      Baseband Processing.

    • B. 

      Channel Filtering.

    • C. 

      Analog to digital converter.

    • D. 

      D) RF modulation & demodulation.

  • 94. 
    Question on Exhibhit After implementing Carrier Aggregation in a sector Which is 20MHz BW what will be the DL o/p & UL o/p?
    • A. 

      DL=40Mbps & UL = 40Mbps

    • B. 

      DL = 20Mbps & UL = 20Mbps.

    • C. 

      DL = 40Mbps & UL = 20Mbps

    • D. 

      DL = 40Mbps & UL = 30Mbps.

  • 95. 
    Where you will get end user Voice Call setup timer?
    • A. 

      Drive Test Measurements.

    • B. 

      Performance Statistics.

    • C. 

      UE Traces.

    • D. 

      Configuration Dump.