Q&A Notes Prepared By Shahzada Arslan Ahmed +923036677718

Notes Prepared By

 Shahzada Arslan Ahmed

+923036677718

Questions and Answers

1.       What is a drop call?*

A.      A dropped call is a call, originated by a mobile station, which fails to reach the conversation state.

B.      Dropped calls are which is originated by a mobile station, which fails to reach the conversation state.

C.      A call is logged as dropped when an active call that was just in its conversation state ends for any reason

D.      None of the above

2.       What is a Blocked Call?*

A.      A blocked call is a call, originated by a mobile station, which fails to reach the conversation state.

B.      Blocked calls are which is not originated by a mobile station.

C.      A call is logged as blocked when an active call that was just in its conversation state ends for any reason.

D.      None of the above

3.       Do you agree with the following statement: ***

Below is why Location Area is required

-The subscriber is paged in this area

-One or more base station controllers are used to serve each location area but by a single MSC

-Each Location Area has a unique Location Area Identity number

A.      Yes

B.      No

4.       In which conditions UE will be in Cell FACH state? ***

A.      This happens when,

· UE require continuous circuit connection with n/w, but DL packets will not work.

· UE is forced to release the n/w resources to decrease the congestion problems (flip-flop between SDCCH and FACH).

B.      This happens when,

· UE doesn't require continuous circuit connection with n/w, but DL packets will work.

· UE is forced to release the n/w resources to decrease the congestion problems (flip-flop between DCH and FACH).

C.      None of the above

5.       What happens when there is missing neighbors?*

A.      Drop calls, HO Failures etc

B.      Only drop calls

C.      Only HO Failure

D.      Handover is same like missing neighbor so it co-relates and the consequences are same for both.

6.       What does “WCDMA” stands for?  *

A.      Wideband Code Division Multiple Application

B.      Wideband Code Detecting Multiple Access

C.      Wideband Code Division Multiple Access

7.       What does “UMTS” stands for? *

A.      Universal Mobile Terrestrial System

B.      Universal Mobile Telecommunications System

C.      None of the above

8.       What are the bands used in KSA for 3G? **

A.      2100

B.      1800

C.      A & B

D.      900

9.       What does "RRC" stands for? *

A.      Radio Resource Channel

B.      Radio Resource Control

C.      None of the above

10.   What is the difference between Cell Selection & Cell Re-selection? Briefly explain it. **

A.      Once the handset is switched ON it will camp on the nearest cell, this process is known as Cell Selection.

In idle mode the UE operates in discontinuous reception (DRX) to improve its stand-by time is known as Cell Reselection.

B.      Once the handset is switched ON it will camp on the nearest cell, this process is known as Cell Reselection.

In dedicated mode the UE operates in discontinuous reception (DRX) to improve its stand-by time is known as Cell Reselection.

C.      Once the handset is switched ON it will camp on the nearest cell, this process is known as Cell Reselection.

In scanning mode the UE operates in discontinuous reception (DRX) to improve its stand-by time is known as Cell Reselection.

D.      None of the above

11.   What is the maximum downlink speed of 3G? *

A.      256Kbps

B.      2Mbps

C.      1Gbps

D.      42Mbps

12.   What is the abbreviation of “UTRA”? **

A.      Universal Terrestrial Radio Access

B.      Universal Telecommunication Radio Access

C.      Universal Telecommunication Radio Accessibility

D.      Universal Mobile Terrestrial Radio Accessibility

13.   Which are the testing modes are there in Drive Testing? **

A.      Idle & dedicated modes

B.      Long call and Short calls

C.      Long call, short calls & Scanning mode

D.      Idle, dedicated & Scanning modes

14.   What is RSCP and EcNo? *

A.      In the UMTS cellular communication system, received signal code power (RSCP) denotes the power measured by a receiver on a particular physical communication channel.

EcNo- Common Pilot channel Ec/No is the ratio of energy of the chip and the combined power of all the signals including the pilot itself received by the UE at that particular point. It is a very important factor for call quality.

B.      In the UMTS cellular communication system, received signal code power (RSCP) denotes the power measured by a receiver pilot.

EcNo- Common Pilot channel Ec/No is the ratio of energy of the chip and the combined power of all the signals including the pilot itself received by the UE at that particular point. It is a very important factor for the coverage.

C.      In the UMTS cellular communication system, received signal code power (RSCP) denotes the quality measured by a receiver on a particular physical communication channel.

EcNo- Common Pilot channel Ec/No is the ratio of energy of the chip and the combined power of all the cells including the pilot itself received by the UE at that particular point. It is a very important factor for call quality.

D.      None of the above

15.   What is Pilot Pollution? ***

A.      When the number of strong cells exceeds the active set size, there is “pilot pollution” in the area. Typically the active set size is 3, so if there are more than 3 strong cells then there is pilot pollution.

B.      When the number of strong cells exceeds the active set size, there is “pilot pollution” in the area. Typically the active set size is 4, so if there are more than 4 strong cells then there is pilot pollution.

C.      When the two strong cells exceeds the active set size, there is “pilot pollution” in the area. Typically the active set size is 3, so if there are more than 3 strong cells then there is pilot pollution.

D.      When the number of strong cells exceeds the active set size, there is “pilot pollution” in the area. Typically the active set size is 2, so if there are more than 4 strong cells then there is pilot pollution.

16.   What is are the difference between a blocked call and dropped call?  *

A.      A call is logged as blocked when an active call that was just in its conversation state ends for any reason.

A dropped call is a call, originated by a mobile station, which fails to reach the conversation state.

B.      Blocked calls are which is not originated by a mobile station.

Dropped calls are which is originated by a mobile station, which fails to reach the conversation state.

C.      A blocked call is a call, originated by a mobile station, which fails to reach the conversation state.

A call is logged as dropped when an active call that was just in its conversation state ends for any reason.

D.      There is no difference between a drop and blocked call

17.   What is the advantages of 3G? ***

A.      #Availability of fixed and variable rates.

#Support to devices with backward compatibility with existing networks.

B.      #Support to devices with backward compatibility with existing networks.

#always online devices – 3G uses IP connectivity which is packet based.

#Rich multimedia services are available.

C.      #overcrowding is relieved in existing systems with radio spectrum.

#Bandwidth, security and reliability are more.

#provides interoperability among service providers.

#Availability of fixed and variable rates.

#Support to devices with backward compatibility with existing networks.

#always online devices – 3G uses IP connectivity which is packet based.

#Rich multimedia services are available.

D.      #overcrowding is relieved in existing systems with radio spectrum.

#Bandwidth, security and reliability are more.

18.   How 3G is different from 2G? *

A.      3G is only limited to data

B.      3G is limited to only Voice

C.      3G works on both voice and data, gives more data rate speed

D.      None of the above

19.   Name the carriers of STC and Mobily **

A.      STC: 10788, 10813 & 10838; Mobily: 10648, 10673 & 10698

B.      STC: 10878, 10318 & 10388; Mobily: 10648, 10673 & 10698

C.      STC: 10788, 10813 & 10838; Mobily: 10468, 10763 & 10968

D.      STC: 10878, 10318 & 10388; Mobily: 10468, 10763 & 10968

20.   What is congestion? ***

A.      Congestion is same like cell breathing

B.      Network congestion occurs when a link or node is carrying so much data that its quality of service deteriorates.

C.      Network congestion occurs when a link or node is failed that its quality of service deteriorates.

D.      None of the above

21.   What is Multi-RAB and briefly explain about it? **

A.      Multi-RAB is a service in which user will be able to use data and voice together.

B.      Multi-RAB is a service in which user will be able to use data and SMS together.

C.      Multi-RAB is a service in which user will be able to use data and MMS together.

D.      Multi-RAB is a service in which user will be able to use data, SMS & MMS at the same time.

22.   What is the range of RSCP? *

A.      0 to -120dBm

B.      0 to -120dB

C.      0 to -100dBm

D.      0 to -100dB

23.   What is the range of EcNo? *

A.      0 to -24dB

B.      0 to -8dB

C.      0 to -24dBm

D.      0 to -20dBm

24.   What is CQI? **

A.      CQI is Channel Quadrature Indicator, CQI indicates the maximum possible data rate that UE can receive.

B.      Channel Quality Indicator (CQI) is a measurement of the communication quality of wireless channels. CQI can be a value (or values) representing a measure of channel quality for a given channel.

C.      CQI is Channel Quality Indicator, CQI indicates the minimum possible data rate that UE can receive.

D.      None of the above

25.   What is RSCP and EcNo? ***

A.      In the UMTS cellular communication system, received signal code power (RSCP) denotes the power measured by a receiver on a particular physical communication channel.

EcNo- Common Pilot channel Ec/No is the ratio of energy of the chip and the combined power of all the signals including the pilot itself received by the UE at that particular point. It is a very important factor for call quality.

B.      In the UMTS cellular communication system, received signal code power (RSCP) denotes the power measured by a receiver pilot.

EcNo- Common Pilot channel Ec/No is the ratio of energy of the chip and the combined power of all the signals including the pilot itself received by the UE at that particular point. It is a very important factor for the coverage.

C.      In the UMTS cellular communication system, received signal code power (RSCP) denotes the quality measured by a receiver on a particular physical communication channel.

EcNo- Common Pilot channel Ec/No is the ratio of energy of the chip and the combined power of all the cells including the pilot itself received by the UE at that particular point. It is a very important factor for call quality.

D.      None of the above

26.   What are the modes AS, DN & MN? **

A.      AS stands for Active Set, DN stands for Detected neighbor & MN stands for Monitored Neighbor

B.      AS stands for Active Services, DN stands for Dedicated neighbor & MN stands for Merged Neighbor

C.      AS stands for Active Service, DN stands for Dedicated neighbor & MN stands for Measuring Neighbor

D.      None of the above

27.   What is the difference between Ec/Io and Ec/No? **

A.      Io = own cell interference + surrounding cell interference

No = Surrounding cell interference

B.      Io = own cell interference + surrounding cell interference + noise density

No = Surrounding cell interference + noise density

C.      Io = Surrounding cell interference

No = Surrounding cell interference

D.      None of the above

28.   What does “UARFCN” stands for? **

A.      UTRA Absolute Random Frequency Channel Number

B.      “UTRA Absolute Radio Frequency Change Number”

C.      “UTRA Absolute Radio Frequency Channel Number”

D.      None of the above

29.   What is the SQI MOS and why it is measured? ***

A.      SQI Mean Opinion Score is measured to check only downlink value of speech quality & it ranges from 1 to 5.

B.      SQI Mean Opinion Score is measured to check the downlink and uplink values of speech quality & it ranges from 1 to 5.

C.      SQI Mean Opinion Score is measured to check only uplink values of speech quality & it ranges from 1 to 5.

D.      SQI is measured to check the throughput values of network at peak hour

30.   What is a need of the cell file? *

A.      To see the NodeB’s installed in the operator’s network we need to add the cell file to our Map.

B.      To see the sites installed in the other operator’s network we need to add the cell file to our Map.

C.      To see the sites installed in the other operator’s network we need to add the cell file to our Map.

D.      None of the above

31.   What is Scrambling Code? *

A.      Scrambling code is a code assigned to a particular cell. There are 512 such codes for the network to differentiate among different Node B·s and these codes can be repetitive.

B.      Scrambling code is a code assigned to a particular site. There are 512 such codes for the network to differentiate among different sites and these codes can be repetitive.

C.      Scrambling code is a code assigned to a particular site. There are 256 such codes for the network to differentiate among different sites and these codes can be repetitive.

D.      None of the above

32.   What is Cell Name? *

A.      It is the name given to particular MSC by the operator generally along the lines of the name of the area the Node B is located in.

B.      It is the name given to particular RNC by the operator generally along the lines of the name of the area the Node B is located in.

C.      It is the name given to particular NodeB’s by the operator generally along the lines of the name of the area the Node B is located in.

D.      None of the above

33.   What is Tx power?

A.      It is the transfer power of a Mobile Station

B.      It is the transit power of a Mobile Station

C.      It is the transforming power of a Mobile Station

D.      It is the transmitting power of a Mobile Station

34.   What RRC state? **

A.      It tells the current state and channel is to how much power we are getting on each sector

B.      It tells the current state and channel is in Idle or dedicated state

C.      It tells the current state and channel messages whether the UE is connected to the cell or not.

D.      None of the above

35.   What is Layer3 message? **

A.      Layer 3 Messages are the messages on the lu interface i.e between Mobile station and the NodeB.

B.      Layer 3 Messages are the messages on the lu interface i.e between Mobile station and the BTS

C.      Layer 3 Messages are the messages on the Uu interface i.e between Mobile station and the NodeB.

D.      None of the above

36.   What are the Intra Frequency Handovers? ***

A.      The HO's that take place between any nodeB to the other nodeB come under this category.

B.      The HO's that take place between any sectors of the same nodeB come under this category.

C.      The HO's that take place between any sectors of the other nodeB come under this category.

D.      None of the above

37.   What are the Inter Frequency Handovers? ***

A.      The HO’s that take place between NodeB’s, running on same frequencies.

B.      The HO’s that take place between NodeB’s, running on adjacent frequencies.

C.      The HO’s that take place between NodeB’s, running on different and same frequencies.

D.      None of the above

38.   What are the KPI’s of 3G? ***

A.    · Drop Call
· Access Failure
· Soft Handover failure
· Swapped Feeder
· RSCP, Ec/No
· SQI
· Missing Neighbor
· Pilot Pollution

· IRAT Failure

B.    · Drop Call
· Access Failure
· Soft Handover failure
· Swapped Feeder

             · Only the above listed

C.    · Missing Neighbor

D.    None of the above

39.   What are the KPI’s of 3G stationary? ***

A.    · Drop Call
· Access Failure
· Soft Handover failure
· Swapped Feeder
· RSCP, Ec/No
· SQI
· Missing Neighbor
· Pilot Pollution

· IRAT Failure

B.    · Drop Call
· Access Failure
· Soft Handover failure
· Swapped Feeder

             · Only the above listed

C.    · Call Setup
· Video Call
· HSDPA
· R99
· Soft Handover Test
· IRAT Test
· FTP Test

             · Ping

D.    · Soft Handover Test
· IRAT Test
· FTP Test

             · Ping

40.   What is the usage of scrambling code in WCDMA for both downlink and uplink? **

A.      There is only one frequency in Downlink. SC is used to separate cells.

In uplink it is used to differentiate terminals.

B.      There is only one frequency in Downlink. SC is used to combine cells.

In uplink it is used to combine terminals.

C.      There are two frequencies in Downlink. SC is used to combine cells.

In uplink it is used to combine terminals.

D.      None of the above

41.   If you have 3 cells in your Active Set and a drop call occurs, which Cell a Drop call would be pegged? **

A.      Serving Cell in Active Set

B.      Serving Cell in Idle State

C.      Serving Cell in Monitored State

D.      None of the above

42.   What could be the cause of soft handover failure? ***

A.      #Undefined neighbors

#One way Neighbor definition

#UE issue.

#Resource unavailable at target NodeB.

#Inadequate SHO threshold defined.

B.      #Undefined neighbors

             #Inadequate SHO threshold defined

             #UE issue

C.      #Defined neighbors

#Adequate SHO threshold defined

#UE issue

#Resource available at target NodeB.

#Adequate SHO threshold defined

D.      None of the above

43.   What may happen when there’s a missing neighbor or an incorrect neighbor? **

A.      . Access failure and handover failure: may attempt to access to a wrong scrambling code.

. Active Set

. Monitored Set

. Detected Set

B.      . Access failure and handover failure: may attempt to access to a wrong scrambling code.

. Dropped call: UE not aware of a strong scrambling code, strong interference.

. Poor data throughput.

. Poor voice quality.

. Etc.

C.      . Access failure and handover failure: may attempt to access to a wrong scrambling code.

. Active Set

. Detected Set

. Poor voice quality.

. Etc.

D.      . Active Set

. Monitored Set

. Detected Set

44.   How many numbers of SC codes available in Downlink and Uplink? ***

A.      Downlink 256, Uplink several millions.

B.      Downlink 1024, Uplink 512.

C.      Downlink 512, Uplink several millions.

D.      Downlink 512, Uplink 1024.

45.   Idle Mode Behavior is managed by System information send on which L3 Channel? ***

A.      BCH

B.      FACH

C.      CCCH

D.      SDCCCH

46.   What is SIR? ***

A.      SIR is the Signal-to-Interference Ratio – the ratio of the energy in dedicated physical control channel bits to the power density of interference and noise after dispreading.

B.      SIR is the Signal-to-Noise Rate – the ratio of the energy in dedicated physical control channel bits to the power density of interference and noise after dispreading.

C.      SIR is the Signal-to-Noise Ratio – the rate of the energy in dedicated physical control channel bits to the power density of noise after dispreading.

D.      None of the above

47.   What is “compressed mode”? ***

A.      Compressed mode is a physical layer function that allows the UE to constantly tune to same frequency, and measure the RF environment of same UMTS frequency.

B.      Compressed mode is a physical layer function that allows the UE to constantly tune to other frequency, and measure the RF environment of same UMTS frequency.

C.      Compressed mode is a physical layer function that allows the UE to temporarily tune to another frequency, and measure the RF environment of another UMTS frequency.

D.      Compressed mode is a physical layer function that allows the UE to constantly tune to same frequency, and measure the RF environment of other UMTS frequency.

48.   Which link is required to perform Inter RNC SHO? ***

A.      Iur

B.      Lu

C.      Both lur & lu

D.      None of the above

49.   Explain Timer T3212? ***

A.      The periodic LA update procedure is controlled by a timer, called t3212, which gives the time interval between two consecutive periodic location updates.

B.      The periodic FA update procedure is controlled by a MSC, called t3212, which gives the time difference between all consecutive periodic location updates.

C.      The periodic FA update procedure is controlled by a MSC, called t3212, which gives the time difference between all consecutive periodic location updates.

D.      The periodic LA update procedure is controlled by a timer, called t3112, which gives the time interval between two consecutive periodic location updates.

50.   How many Radio Bearers (RB) are involved in CS voice call? ***

A.      1

B.      2

C.      3

D.      4

51.   What is IMSI? *

A.      IMSI is used to identify the user of a cellular network and is a unique identification associated with all cellular networks.

B.      IMSI is used to identify the user of a cellular network and is a repeated identification number associated with all cellular networks.

C.      IMSI is used to identify the operator and is a repeated identification number associated with all cellular networks.

D.      None of the above

52.   What is the Modulation scheme is used in UMTS for voice service in Downlink and uplink? **

A.      HPSK in downlink and QPSK in uplink

B.      8PSK in downlink and HPSK in uplink

C.      GMSK in downlink and HPSK in 8PSK

D.      QPSK in downlink and HPSK in uplink

53.   What is BLER? **

A.      Block Error Rate

B.      Bit Large Rate

C.      Block Large Rate

D.      None of the above

54.   What are the major differences between GSM and UMTS handover decision? ***

A.      GSM: Frequency-based mobile measures of RxLev and RxQual,

UMTS: Time-based – UE sends a measurement report only on certain event “triggers”

B.      GSM: Frequency-based mobile measures of RxLev and RxQual,

UMTS: Time-based reporting – UE sends a measurement report of all event “triggers”

C.      GSM: Time-based mobile measures of RxLev and RxQual,

UMTS: Event-triggered reporting – UE sends a measurement report only on certain event “triggers”

D.      None of the above

55.   How many Service Radio Bearers (SRB) are involved in CS voice call? ***

A.      1

B.      2

C.      3

D.      4

56.   When is System information sent to UE? ***

A.      The system information is regularly broadcast to the UE on the BCCH.

B.      The system information is sent to UE only when UE is in Idle mode

C.      When a parameter in the system information is not changed then the system information is sent to UE

D.      None of the above

57.   How many time Inner Loop Power Control happens and what type of fading it compensates? ***

A.      1500Hz and compensates Fast Fading.

B.      2500Hz and compensates Fast Fading.

C.      3500Hz and compensates Fast Fading.

D.      2000Hz and compensates Fast Fading.

58.   How many types of handovers are there in UMTS? **

A.      •Soft/Softer Handover

•Inter Frequency Handover

•Inter RAT Handover

•Core Network Hard Handover

•Service based handover to GSM

•HSDPA Mobility

B.      •Soft/Softer Handover

•Inter Frequency Handover

C.      •Inter RAT Handover

•Core Network Hard Handover

•Service based handover to GSM

•HSDPA Mobility

D.      •Soft/Softer Handover

59.   What is the family of codes used for Channelization in WCDMA? ***

A.      Orthogonal Variable Factor

B.      Orthogonal Spreading Factor

C.      Orthogonal Variable Spreading Factor

D.      None of the above

60.   Are System Information Blocks (SIB) transmitted all the time? ***

A.      No

B.      Yes

61.   What do you understand by IFHO? **

A.      Inter Frequency Handover

B.      Inter Frame Handover

C.      Intra Frame Handover

D.      None of the above

62.   Cell Re-selection is valid in both Idle, and in which state in connected mode? ***

A.      CELL DCH

B.      CELL CCCH

C.      CELL FACH

D.      CELL SDCCH

63.   What are the types of swap in 3G? *

A.      Partial Swap

B.      Sector Swap

C.      A & B

64.   Is UMTS an uplink-limited or downlink-limited system? **

A.      Initially, a typical WCDMA network is Uplink unlimited. Later a Loaded network becomes Downlink Limits.

B.      Initially, a typical WCDMA network is Uplink Limited. Later a Loaded network becomes Downlink Limits.

C.      Initially, a typical WCDMA network is Uplink unlimited. Later a Loaded network becomes Downlink unlimited.

D.      None of the above

65.   What is the disadvantages of 3G? **

A.      #Power consumption is high

B.      #The cost of cellular infrastructure , upgrading base stations is very high

#needs different handsets.

#Power consumption is high

C.      #The cost of cellular infrastructure , upgrading base stations is very high

#needs different handsets.

#roaming and data/voice work together has not yet been implemented

D.      None of the above

66.   What does "MSC" stands for? *

A.      Mobile Station Controller

B.      Mobile Switching Center

C.      Mobile Switching Controller

67.   What are the RRC operation modes? ***

A.      Idle Mode and Connected Mode

B.      SDCCH mode in GSM

C.      FACH mode in GSM

D.      Scanner Mode

68.   What is “soft handover”? *

A.      “Soft handover” is when UE has connection to multiple cells on same NodeB.

B.      “Soft handover” is when UE has connection to multiple cells on different NodeB.

C.      “Soft handover” is when UE doesn't have a connection with the multiple cells on different NodeB.

D.      None of the above.

69.   What is “softer handover”? *

A.      “Softer handover” is when UE has connection to multiple cells on different NodeB.

B.      “Softer handover” is when UE doesn't have connection to multiple cells on different NodeB.

C.      “Softer handover” is when UE has connection to multiple cells on same NodeB.

D.      None of the above.

70.   What is “cell breathing”? ***

A.      The cell coverage shrinks as the loading decreases, this is called cell breathing.

B.      The cell coverage shrinks as the loading increases, this is called cell breathing.

C.      None of the above.

71.   What is Hard Handover in UMTS? When will it happen? *

A.      · Hard Handover in UMTS is a make before break type Handover

· It can happen in the inter site where there is Iur link.

B.      · Hard Handover in UMTS is a break before make type Handover

· It can happen in the inter RNC boundaries where there is no Iur link.

C.      · Hard Handover in UMTS is a make before break type Handover

· It can happen in the inter site where there is no Iur link.

D.      None of the above

72.   What is bench marking? *

A.      Benchmarking used for comparing performance of different network for quality and call performance parameters.

B.      Benchmarking is used for checking performance of own network for quality and call performance parameters.

C.      Benchmarking is used for checking performance of other countries network for quality and call performance parameters.

D.      None of the above

73.   What is paging? Th options are wrong

 This procedure is used to transmit paging information to selected UEs in idle mode, CELL_PCH or URA_PCH state using the paging control channel (PCCH).

A.      Benchmarking is used for comparing performance of different network for quality and call performance parameters.

B.      Benchmarking is used for checking performance of own network for quality and call performance parameters.

C.      Benchmarking is used for checking performance of other countries network for quality and call performance parameters.

74.   What is Active set? *

A.      The CELL_INFO_LIST in the Detected set belong to the Active Set

B.      Active Set is defined as the set of Node-Bs the UE is simultaneously connected to 

C.      The CELL_INFO_LIST belong to the Active Set

D.      None of the above

75.   Using TEMS Investigation in which window we can see the values of RSCP and EcNo? *

A.      WCDMA Radio Parameter

B.      WCDMA Serving/Active set + Neighbors

C.      WCDMA Throughput Line Chart

76.   Using TEMS Investigation in which window we find Downlink and Uplink values for data test? *

A.      WCDMA Serving/Active + Neeighbors

B.      HSUPA Analysis, HSDPA Analysis

C.      WCDMA Radio Parameters

77.   Will we be able to get the EcNo value in idle mode? *

A.      Yes

B.      No

78.   Will we be able to achieve the SQI MOS values in idle mode? *

A.      Yes

B.      No

79.   How do we know that HSDPA is failed? *

A.      The average speed of HSUPA throughput speed didn’t reach for the acceptable range

B.      The average speed of HSDPA throughput speed didn’t reach for the acceptable range

C.      None of the above

80.   Do you agree with the following statement:

A user who pays subscription charges for using a mobile communication system is called as a subscriber.

A.      Yes

B.      No

81.   What does "RRC" stands for? *

A.      Radio Resolving Control

B.      Random Resource Control

C.      Radio Resource Control

D.      None of the above

82.   What does "RNC" stands for? *

A.      Radio Network Controller

B.      Radio Network Capacity

C.      Resource Network Controller

D.      None of the above

83.   What will customer have to do to start using 3G services? *  

A.      Activate 3G        

B.      Have 3G enabled Handset          

C.      Both A & B

D.      None of the Above

84.   Customer can make video calls only if? *

A. Customer is in 3G network Area

B. 3G is activated

C. Both A & B

D. has booked the call in advance

85.   What will happen when a 3G customer enters 2.5 G network? **

A.      Customer will be automatically latched on to 2.5 G network        

B.      Customer will have to manually select 2.5 G network

C.      Customer will get no signal

D.      None of the Above

86.   3.5G/HSPA networks supports? **

A.      Voice and Data

B.      Only Voice

C.      Only Data           

D.      None of the above

87.   HSDPA works on *

A.      Circuit Switch Network

B.      Packet Switch Network

C.      Cell switch Network

D.      All The Above

88.   The main differences between WCDMA and second-generation air interfaces are ***

A.      Bit rate of 2Mbps (spectrum of up to 5 MHz)

B.      Variable bit rate

C.      Bit error rate of 10^-6

D.      All of the above

89.   In dedicated mode handover from 2G to 3G is **

A.      IRAT

B.      Hard

C.      Cell Reselection

D.      Not Defined

90.   What are the events 1a, 1b, and 1c? ***

A.      1a – a Primary CPICH enters the reporting range, i.e. add a cell to active set.

       1b – a primary CPICH leaves the reporting range, i.e. removed a cell from active set.

       1c – a non-active primary CPICH becomes better than active primary CPICH, i.e. replace a cell.

B.      1a – a primary CPICH leaves the reporting range, i.e. removed a cell from active set.

       1b – a non-active primary CPICH becomes better than active primary CPICH, i.e. replace a cell.   

       1c – a primary CPICH leaves the reporting range, i.e. removed a cell from active set.

C.      None of the above

91.   What is Inter-RAT hard handover? **

A.      When UE reaches end of coverage area for UMTS services, it can handover to a 2G service like GSM (if the UE supports multiple RAT).

B.      When UE is on UMTS service and still it gives handover to 2G service.

C.      None of the above

92.   In WCDMA network if one Cell using 3 UARFCN carriers, then how many SC will used by each sector? ***

A.      3

B.      1

C.      2

D.      6

93.   What is IRAT handover? **                             

A.      Handover b/w 2G-3G

B.      Handover b/w 3G-2G

C.      Both A and B

D.      None of the above

94.   Which of the following is 3G parameter? *

A.      Rx Level

B.      RSCP

C.      Rx Quality

D.      Tx Power

95.   What is Happy Bit in 3G? ***

A.      The happy bit is a single bit that indicates whether the UE is happy with its current Serving Grant.

B.      The happy bit is a multiple bits that indicates whether all UE’s are happy with its current & further Serving Grant.

C.      None of the above