1.What is the power distribution module in Flexi BTS

Select one:

a. PWSB

b. FIFA

c. PWSC

d. ESMA Y

2.The TRX blocked state due to “2G automatic power down" is ______________

Select one:

a. BL-RSL

b. BL-DGN

c. BL-PWS Y

d. BL-PWR

3.Installation Options in MR BTS

Select one:

a. Pole Installation

b. All of three. Y

c. Stacked Installation

d. Wall Installation

4.In the feederless site solution, the distance between the System Module and the Dual TRX Module can be up to 150 m

Select one:

a. EXDA

b. TSDB

c. ESMA

d. FXCRRI

5.What would be the frequency at which any TRX operate?

Select one:

a. None of the above

b. 900 Mhz

c. ARFCN Y

d. DCS

6.What is the state if the Blinking yellow is glowing on ESMA card

Select one:

a. BTS_OM SW is not running

b. Platform startup Y

c. Blocked BCF

d. Non of the above

7.Expand VSWR

Select one:

a. Voltage steady wave ratio

b. Visibile steady wave ratio

c. Voltage standing wave ratio Y

d. Variable steady wave ratio

8.What is the Number of Maximum TRX can be Used in One Site in Chain with in 100 meters range ?

Select one:

a. 216

b. 24

c. 32

d. 12

9.For 1800 GSM, what is the duplexer module used in Flexi BTS

Select one:

a. ERPA

b. ERDA Y

c. EXGA

d. ERTA

10.System module used in Fleximultiradio is

Select one:

a. BOIA

b. ESMA

c. ESMB Y

d. ESMD

11.Which of the listed units provides the LMP interface?

Select one:

a. DTRX

b. ESMA Y

c. DDU

d. All of the above

12.In a working MW link, by mistake the interleaving depth in the OU properties is changed from 4 to 2 at one end. What would be effect?

Select one:

a. The RSL is reduced by 3dB

b. The MW link keeps working as before

c. Received BER >1E-3

d. Loss of incoming signal in the far end Y

13.The software upgrade of a Flexi EDGE BTS is possible

Select one:

a. at a NOKIA service point only

b. only in the production phase of the BOIx unit

c. locally using the BTS Manager only

d. locally using the BTS Manager or remotely from the BSC Y

14.What is not a task of the BSC?

Select one:

a. None of the above.

b. Radio resource management.

c. Paging.

d. Charging. Y

15.The System Module in Flexi BTS can be synchronised to the incoming Abis line or to an external synchronisation source :

Select one:

a. LMU

b. any of the above Y

c. Co-Located BTS

d. Synchronous Ethernet

16.Which of the following is NOT a FlexiHopper feature?

Select one:

a. Automatic Fading Margin Measurement

b. Cyphering. Y

c. Interleaving.

d. ALCQ

17.If the BCF (2G BTS) remains in the Waiting for LAPD state, what is a possible reason?

Select one:

a. The TRXSIG channels are not defined for all TRXs. Y

b. The allocation of traffic channels in Traffic Manager is incorrect.

c. Not all of the TRXs passed the commissionning tests

d. O&M channel between the BSC and BTS is not established

18.What is the Red, stable state shows in DTRX in the Flexi BTS?

Select one:

a. TRX_OM SW is not running

b. 7606 alarm is active on both carriers

c. All of the above Y

d. 7606 alarm on IDD TRX

19.Output Power Per Sector in MR BTS

Select one:

a. 40 W

b. 55 W

c. 28 W

d. 60 W Y

20.What is the maximum link capacity of a FlexiHopper operated with a FXCRRI.

Select one:

a. 4x2M

b. 16x2M Y

c. 2x2M.

d. 8x2M

21.What is MHA?

Select one:

a. Master height amplifier

b. None of the above

c. Mast Head amplifier Y

d. Master heavy amplifilier

22.The total number of OBSAI RP3-1external interfaces present in ESMB/C are__________

Select one:

a. 3

b. 4 Y

c. 5

d. 2

23.Which of the following alarms can result due to wrong commissioning of FlexiEdgeBTS?

Select one:

a. ERxx DDU module has detected no Tx power at TxB input. Y

b. ERxx DDU module has detected VSWR above major limit at antenna A

c. Pseudowire down

d. Loss of CRC frame alignment

24.To achieve 15 W TRX Tx power, 1 TX Antenna/sec, 2-UD and 4+4+4 configuration, which of these combinations would support in Flexi MR BTS?

Select one:

a. 2 ESMB and 2 FXDA

b. 1 ESMB and 1 FXDA

c. 2 ESMB and 1 FXDA

d. 1 ESMB and 2 FXDA

25.What is the maximum TRX capacity of ESMC

Select one:

a. 32

b. 36 Y

c. 24

d. 40

26.Expand IDD

Select one:

a. Ideal Dedicated Diversity

b. Inverse Duplex Diversity

c. Inverse Division Duplex

d. Intelligent Downlink diversity Y

27.What is the maximum TRX capacity of an Flexi EDGE BTS single cabinet?

Select one:

a. 20

b. 16

c. 12

d. 24 YY

28.How many different Rx imputs have to be given to a DTRX to achieve 4UD

Select one:

a. 8

b. 2

c. 6

d. 4 YY

29.What will happen when you remove the looped cable between RXAO and RXAIN in DDU? Assume that all the TRXs have 2UD

Select one:

a. UL from both the Antenna ports are unavailable

b. UL from one of the Antenna ports is unavailable

c. Downlink of the TRX is affected

d. All of the above

30.ESMC Support the following carriers

Select one:

a. 19

b. 18

c. 22

d. 36 Y

31.Which of the following combining options is least recommended for large cells?

Select one:

a. Combining bypass.

b. 2-way wideband combining

c. 4-way wideband combining Y

d. Remote tune combining

32.How many maximum timeslots can be allocated for an EDAP in an Abis interface of a Flexi Edge BTS?

Select one:

a. 12 PCM timeslots Y

b. 10 PCM timeslots

c. 11 PCM timeslots

d. 13 PCM timeslots

33.FXEA Supports follwing Frequency Band

Select one:

a. 1800 Y

b. 1900

c. None of the Above

d. 900

34.In a TRX with 64 kbps signaling over TCH, how many TCH RTSLs are effectively present for traffic?

Select one:

a. 4

b. 7

c. 8 YYY

d. 5

S35.Which of the following is supported by Flexi Egde BTS?

Select one:

a. 6-way combining

b. 4-way Remote Tune Combining

c. All of the above YY

d. 4-way combining

36.What is the use of MHA?

Select one:

a. Improve downlink strength YY

b. Cutoff interference

c. Increase the transmit power of the TRX

d. Improve the TRX receiver sensitivity

37.The Dual TRX Module contains two transceivers that can be used as a:

Select one:

a. All of the above YY

b. Intelligent Downlink Diversity TRX

c. separate TRX in different sectors

d. separate TRX in the same sector

38.A FlexiedgeBTS site is with 4/2/2 configuration. The BCF has TRX faulty alarm in TRX-2 in Sec-1. Which of the following KPIs can likely get affected?

Select one:

a. TCH Blocking YY

b. HSR

c. DCR

d. SD completion

39.What is the impedance interfaces in FIFA?

Select one:

a. 50 Ohm

b. 100 Ohm

c. 75 Ohm YY

d. 120 Ohm

40.In Low power in Abis1-Air3 loop, where is Air3 point present

Select one:

a. DTRX

b. DDU YY

c. Combiner

d. Air interface

41.CSDAP is

Select one:

a. Circuit switched Dynamic admission protocol

b. Circuit switched Dynamic application protocol

c. Circuit switched Dynamic Allocation pool YY

d. Circuit switched Dynamic admission pool

42.What happens when the Mechanical tilt is increased?

Select one:

a. Increases Antenna gain

b. Reduces the coverage area uniformly YY

c. None of the Above

d. Increases overshoot

43.What unit would you expect to use for Insertion loss?

Select one:

a. dBW

b. Watts

c. Db yy

d. dBi

44.Flexi Multi Radio BTS Supports Following Technologies.

Select one:

a. 3G

b. 2G

c. LTE

d. All the Three yy

45.The Functions of ESMA consist of________.

Select one:

a. Synchronization

b. Transport

c. All of the above yy

d. Control

46.How many power ports does an ESEA have?

Select one:

a. 4

b. 2

c. 8

d. 6 yy

47.Baseband functionality in Flexi BTS is done by:

Select one:

a. ESMA

b. DTRX yy

c. DDU

d. None of the above

48.How should cabinet grounding be achieved ? Through:

Select one:

a. All of the above

b. connecting cabinet ground point to dc bus bar which is connected to earth pit yy

c. connecting cabinet to dc bus bar

d. connecting cabinet ground point to dc bus bar

49.What is the Transmission module used in Flexi BTS for Packet Abis

Select one:

a. ESMA

b. FIQB YY

c. FIPA

d. FIFA

50.The Modulation Technique used in OSC feature is

Select one:

a. 16 QAM

b. AM

c. QPSK YY

d. GMSK

51.EXGA used for which band of GSM Frequency

Select one:

a. 800

b. 900 YY

c. 1800

d. 1900

52.What is the benefit of using a mast head amplifier?

Select one:

a. Increased mobile phones TX power

b. Decreases BTS power consumption

c. Improves downlink RF performance YY

d. Larger cell size.

53.What is the benefit of using a mast head amplifier?

Select one:

a. Increased mobile phones TX power

b. Decreases BTS power consumption

c. Larger cell size.

d. Improves downlink RF performance YY

54.What is the purpose of FPA port in ESMA?

Select one:

a. Integrating SDH equipment with OSS

b. Flexi Power Amplifier

c. Remote support for any TXN unit

d. Extend alarms for Flexi Power modules YY

55.What is the actionable for "The timeslot is already in use

Select one:

a. Replace DDU

b. Replace ESMA

c. Replace TRX

d. None of the above YY

56.The maximum length of optical fibre that can be run between ESMB and FXDA in Multimode is ______________

Select one:

a. 20 KM

b. 200 m YY

c. 400 m

d. 40 KM

57.What does 1UD imply?

Select one:

a. none of the above YY

b. No Rx path connected

c. No diversity

d. 1 way downling diversity

58.Which Interface is supported by MR BTS

Select one:

a. OBSAI YY

b. Flexi

c. None of the Above

d. ! Series

59.The maximum number of external alarm outputs that can be connected to an Flexi BTS is__________

Select one:

a. 6

b. 16

c. 14

d. 24 YY

60.What is the maximum site capacity using Flexi BTS?

Select one:

a. 48

b. 216 YY

c. 108

d. 24

61.Coverage has reduced after 4 TRXs being added to already existing 4 TRXs, 1 Duplexer in a sector. What should be done in order to maintain the same coverage and enhance the capacity too?

Select one:

a. Implement extended cell feature

b. Add new antenna line and Duplexer to the newly added TRXs

c. Change 2:1 to 4:1 combining

d. This cannot be corrected

62.What would the expected TX power be in a TRX test for DPTRX?

Select one:

a. 49

b. 47

c. 49.5 YY

d. 47.5

63.What is the use of SS port in the ESMA card?

Select one:

a. System Support

b. Debugging Interface

c. Maintenance Port

d. all of the above YY

64.Why is RXAO and RXAI looped in DDU?

Select one:

a. For distribution of RX signals to both TRX in the DTRX YY

b. To separate main and diversity from the Antenna

c. None of the Above

d. For TRX loop test

65.What is the use of FPA port available in Flexi System Module(ESMA)?

Select one:

a. Flexi packet access

b. Flexi power alarm YY

c. Non of the above

d. Flexi packet abis

66.What is the main purpose of defining the HW configuration in Flexi BTS commissioning?

Select one:

a. A proper alarm management of the BCF YY

b. The activation of features like IDD and 4UD

c. The setup of operation parameters like BCCH power level

d. The definintion of customer specific external alarms

67.What is the function of a Duplexer?

Select one:

a. Separate Rx and Tx path YY

b. Diplexing functionality

c. Couples two use transmitters

d. Avoid VSWR

68.In a sector with 2 TRXs and a duplexer, the TRXs are connected to two different TX ports. What type of configuration is this?

Select one:

a. Combiner Bypass YY

b. 4:1

c. 2:1

d. 8:1

69.Pick up a right option for Packet Abis feature

Select one:

a. None of the Above

b. No dedicated BW for LAPD YY

c. Dedicated BW for TCH

d. FIPA can be used

70.Which combiner can be used for Double power configuration?

Select one:

a. EXxA

b. EXxB

c. EWxB

d. EWxA

71.Antenna Hopping cannot simultaneously work with _____________

Select one:

a. All of the above

b. BB Hopping YY

c. IDD

d. DFCA

72.What is the significane of the DP port in a DTRX?

Select one:

a. None of the above

b. Used for internal test

c. Used during Double power configuration of the DTRX YY

d. Used during cositing

73.ESMC System Modules support configurations of up to ______TRXs.

Select one:

a. 36 YY

b. 12

c. 24

d. 48

74.Which card will take care of collection and management of external and internal alarms

Select one:

a. Non of the above

b. DTRX

c. ESMA YY

d. ESEA

75.What is the maximum no. of TRXs that can be configured with an ESMA and ESEA?

Select one:

a. 24 YY

b. 4

c. 12

d. 8

76.How many minimum units are required for 2+2+2 configuration of a FlexeEdge BTS?

Select one:

a. 7 YY

b. 5

c. 6

d. 3

77.Customer complaints have increased on account of coverage reduction. The RF engineer tells you the site (3/2/2) and sector-1 that has the problem. Recently you have added one TRX in the sector-1. BCCH is in TRX-1. What resulted in coverage reduction?

Select one:

a. Combiner loss YY

b. Faulty TRX

c. Wrong Commissioning

d. Poor receiver sensitivity

78.The alarm that is generated in an FLEXI BTS, when the Rx is lost in one of the used E1/T1 interfaces of transmission card is___________

Select one:

a. AIS

b. E-3

c. E-6

d. LOS YY

79.What is the function of Bias Tee (BPxx)

Select one:

a. Reduce the interfarence

b. Bias Tee improves the system sensitivity

c. Bias Tee supplies the DC voltage to Masthead Amplifier (MHA) YY

d. Non of the above

80.What is the function of Dual Duplex Unit?

Select one:

a. all of the above

b. Lightning protection

c. amplifies received signals with a variable-gain Low Noise Amplifier

d. combines transmitted and received signals into one antenna YY

81.What is the sequence of time slots allocation in traffic manager in FLEXI BTS

Select one:

a. EDAP-TRXSIG-OMUSIG-TCH

b. OMUSIG-TCH-TRXSIG-EDAP YY

c. OMUSIG-TCH-EDAP-TRXSIG

d. any of the above

82.The length of DC Power feed should be less than______meters for ESMA or ESEA outdoor installations.

Select one:

a. 10

b. 100

c. 50

d. 20

83.In a flexiedge BTS with 4+4+4 configuration all the LAPD signaling links are 32 kbps. What is the total BW consumed by the LAPDs in the E1?

Select one:

a. 0.416 Mbps

b. 3.84 kbps YY

c. 0.384 Mbps

d. 4.16 kbps

84.MR BTS receiver Sensitivity for 800/900/1800/1900(Two Way Diversity)

Select one:

a. -113.3

b. None of the Above

c. -112.2

d. -115.5 YY

85.How may timers are available for shutdown groups in Intelligent BTS Shutdown?

Select one:

a. 4

b. 3

c. 2 YY

d. 1

86.Which Command is used to Change EGENA Status

Select one:

a. ZDSB

b. ZEQS

c. ZERS

d. ZERM YY

87.A Flexi Edge BTS external alarm

Select one:

a. 7600

b. 7412 YY

c. 7612

d. 7400

88.Which of the following is used to enhance coverage in Flexi EGDE BTS? (Select 2 Options)

Select one or more:

a. Co-Siting

b. Multi BCF

c. Extended Cell Range YYY

d. IDD YY

89.What is the system extension Module used in Flexi BTS

Select one:

a. ESMA

b. ESEA YY

c. FIFA

d. ERDA

90.What is the combining module used in Flexi BTS

Select one:

a. EWxA YY

b. ERxA

c. EXxA

d. ESMA

91.How many carriers per BTS are supported by Flexi edge BTS?

Select one:

a. 6

b. 12 YY

c. 10

d. 4

92.Which statement about combining bypass is correct?

Select one:

a. It is the standard for high capacity cells in urban areas. YYY

b. The number of antennas is lower than in the other combining options.

c. It is optimized for small cell size.

d. Each TRX requires it's own TX antenna

93.Feederless site solution, the distance between the System Module and the Dual TRX Module can be up to ________ meters.

Select one:

a. 50

b. 200

c. 150 YYY

d. 100

94.What is the reason of wearing the antistatic wrist strap during installation of units?

Select one:

a. Protection of the BTS against triggering of the earth leakage circuit breaker.

b. Protection of units against electro-magnetic interferences

c. Protection of personnel against lethal voltages

d. Protection of units against electro-static damages YY

95.How many bus cables used for one DTRX to connect power from ESMA

Select one:

a. 4

b. 3

c. 2

d. 1 YY

96.What the FIPA supports in Flexi BTS

Select one:

a. 4 FB's

b. 8 E1/T1

c. 4 E1/T1

d. 2 FB's YY

97.Functions of FIFA in Flexi BTS

Select one:

a. Duplexing Functions

b. SW Loading

c. All Transmission related YY

d. Combining Functions

98.Which type of hopping requires a TRX to operate with multiple ARFCNs?

Select one:

a. Synthesizer hopping YY

b. All of the above

c. Baseband hopping

d. Diversity hopping

99.What is DFCA

Select one:

a. Dynamic frequncy Channel allocation YY

b. Different from channel access

c. None

d. Dynamic feature in abis control

100.What is the name of the module called TRX in Flexi BTS

Select one:

a. TRX

b. FIFA

c. ESMA

d. EXxA yy

101.In a GSM antenna with specification, X-pol 800/900 MHz 9/15,5/17 dBi 65°, what is the maximum 65°?

Select one:

a. Mechanical tilt

b. Antenna Gain

c. Electrical tilt

d. HPBW yy

102.What is the maximum DTRX power output in DPTRX mode?

Select one:

a. 44.5 W

b. 47 dB

c. 44.5 dB

d. 49.5 dB yy

103.What is the state if the Stable YELLOW LED is glowing on ESMA card

Select one:

a. Blocked BCF YY

b. BTS_OM SW is not running

c. BCF reset

d. Non of the above

104.What is the Input voltage range of System Module in Flexi BTS?

Select one:

a. 45 - 52 V DC

b. 40 - 57 V DC

c. 40.5 - 57 V DC YY

d. 40.5 - 55 V DC

105.What can be achieved with Frequency hopping?

Select one:

a. Interference averageing

b. Frequency diversity

c. None of the above yy

d. Both A & B

106.Which of the following units have LNA?

Select one:

a. Combiner

b. Dual Duplexer unit YY

c. DTRX

d. ESMA

107.How many maximum TRXs can be operated in one Flexi EDGE BTS sector using 4-way combining with 2 antennas?

Select one:

a. 4

b. 2

c. 12 YY

d. 8

108.How many modules are required for minimum Flexi BTS configuration?

Select one:

a. 1

b. 2

c. 3 YY

d. 4

109.How many power amplifier module present in one RF module of Flexi BTS?

Select one:

a. 3

b. 1

c. 0

d. 2

110.Where will be the base band functionality in Flexi BTS

Select one:

a. BB2F YY

b. ERDA

c. EXDA

d. BB2A

111.EXxA supports how many TRX's in Flexi BTS

Select one:

a. 3

b. 1

c. 2 YY

d. 4

112.What are the HW used in DFCA site installation? Select 2 options

Select one or more:

a. LMU,CABLE

b. FIFA,LMU

c. LMU,GPS YY

d. ESMA

113.Which of the following statements is true for DP TRX

Select one:

a. CoPhase combining

b. All of the above

c. Combiner loss reduced to 1 dB

d. STIRC

114.What is the total number of cable & antenna ports available in single DDU?

Select one:

a. 16

b. 14

c. 10

d. 12

115.Your RF engineer complains for poor HSR in all the sectors in a site. Select two possible reasons

Select one or more:

a. BTS faulty

b. Frequent BCCH missing in the sectors due to High temperature YY

c. Expansion BTS down

d. Difference between base station and PCM frequency reference YY

116.What is the purpose of OSC?

Select one:

a. Decreases interference

b. Increases Antenna gain

c. 4 calls can be handled in one RTSL YYY

d. Provides better downlink coverage

117.Coverage has reduced after 4 TRXs being added to already existing 4 TRXs. 1 Duplexer in a sector. What should be done in order to maintain the same coverage and enhance the capacity too?

a). this cannot be corrected

b). implement extended cell feature

c).change 2.1 to 4.1 combining

d).add new antenna line and duplexer to the newly added TRXs YY

118.What will happen when you remove the looped cable b/w RXAO and RXAIN in DDU? Assume that all the TRXs have 2UD.

a) all of the above

b) UL from one of the antenna ports is unavailable

c) UL from both the antenna ports are unavailable YY

d) Downlink of the TRX is affected

119.What is the i/p voltage range of system module in flexi bts?

A- 40-57 V DC

B-40.5-57 V DC YY

C-45-52 V DC

D-40.5-55 V DC

120.What is not a feature of flexi MR bts?

A- multicarrier RFM

B- concurrent mode of operation

C- none of the above YY

D- rf module sharing WCDMA/LTE

121.what is the purpose of diplexers?

A- use of the same feeder by different transmitters

B- use of the same feeder by different transceivers

C- use of the same feeder by different receivers

D- use of the same feeder for different freq. bands YY

122.What is the stable red state shows in DTRX in the flexi bts?

A- 7606 alarm active on both carrier

B- all of the above

C- TRX OM_SW is not running

D- 7606 alarm on IDD TRX

123.Which of the following modules perform the baseband fun. in the flexi edge bts?

A- combiner

B- DDU

C- ESMA

D- DTRX YY

124.What is the max. link capacity of a flexihopper operated with aFXCRRI?

A- 2*2 M

B- 8*2 M

C- 16*2 M YY

D- 4*2 M

125.Pickup a right option for packet Abis feature?

A- FIPA can be used

B- none of the above

C- Dedicated BW for tch

D- No dadicated BW for LAPD YY

126.Your RF Engg. complaints for poor HSR in all the sectors in a site, select 2 possible reasons-

A- Expansion bts down

B- Difference b/w base station & PCM freq. reference YY

C- BTS Faulty

D- Frequent BCCH missing in the sectors due to high teperature. YY

127.In which configuration these Flexi power at HIGHEST?

Select one:

a.2 way combinig

b.bypass combining YY

c.4 way combining

d.None of the above

128.In a working MW link,by mistake the interieaving depth in the OU properties is changed from 4 to 2 at one end. What

would be effect?

Select one:

a.Received BER>1E-3

b.The RSL is reduced by 3db

c.Loss of incoming signal in the far end YY

d.The MW link keeps working as before

129.The system module in Flexi bts can be synchronised to the incoming Abis Line or to an external synchronization Source?

A. CO-located BTS

B. Any OF Above YYY

C. LMU

D. synchronous Ethernet

130.What IS The Name Of the Module Called in TRX Flexi BTS ?

A . FIFA

B. EXXA YYY

C.TRX

D.ESMA

131.Installation Options of MR BTS ?

A. Wall Installaton

B. Stacked Installation

C. Pole Installation

D. All Of Three YY

132.Which Type Of Hopping Requires a TRX to Operate in the fixed ARFCN ?

A. All Of The Above

B. Baseband Hopping YY

C. Synthesizer Hopping

D. Diversity Hopping

133.What Can be Achived With Frequency hopping ?

A. Interference Averageing

B. Frequency Diversity

C. Both A & B YY

D. None Of The Above