In the Following Questions

March 29, 2018 | Author: Djamila Selamawit Douache | Category: General Packet Radio Service, Telecommunications, Radio Technology, Wireless, Digital & Social Media


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Internal Use Only▲In the following questions, please select one alternative which you think is the best answer for the particular question. Q1. SMS broadcast is done over which channel 1. SDCCH 2. BCCH 3. TCH 4. A&C Q2. The parameter number of Slot Spread Trans (SLO)(BTS) is used to allocate a number of CCCH blocks for . a) Paging Channel (PCH) b) Random Access Channel (RACH) c) Access Grant Channel (AGCH) d) Traffic Channel Q3. Which of the following comment is true? a) MAIO step is used to avoid intra-cell interference where as HSN is used to avoid inter-cell interference b) HSN is used to avoid intra-cell interference where as MAIO step is used to avoid inter-cell interference c) Both MAIO step and HSN are used to avoid intra-cell interference. d) Both MAIO step and HSN are used to avoid inter-cell interference Q4. Timer T200 is related with which KPI a) SDCCH Completion rate b) Paging success rate c) TCH assignment success rate d) All of the above Q5. Which parameter defines how often paging messages are sent to MS? a) No of Multi-frames between Paging (MFR) b) Max No of Retransmission (RET) c) No of Slots Spread Transmission (SLO) d) No of Blocks for Access Grant (AG) <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved, No Spreading without Permission of ZTE 第1页 Internal Use Only▲ Q6. Which parameter is used as a margin to prevent ping-pong location updates? a) PLMN-Permitted (PLMN) b) Rx Level Access Minimum (RXP) c) Cell Reselect Hysteresys (HYS) d) Handover Margin Level (LMRG) Q7. Which Parameter describes the minimum received field strength required by an MS to get any service from the network in that cell in Idle mode? a) PLMN-Permitted (PLMN) b) Rx Level Access Minimum (RXP) c) Cell Reselect Hysteresis (HYS) d) Direct Access Level (DAL) Q8. When is location updates carried out? a) Every time an MS changes its location area under one MSC. b) Every time an MS changes between two different MSCs c) On a periodic basis set by a timer d) All of the above Q9. Increasing Radio Link Time Out (RLT) from 16 to 24 will improve following KPI a) SDCCH Completion rate b) TCH Completion rate c) Paging Success rate d) All of the above Q10. If a cell is having TCH congestion, which of the following is true? a) It is having TCH blocking b) It may have TCH blocking. c) It is having TCH Drop. d) All of the above <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved, No Spreading without Permission of ZTE 第2页 Internal Use Only▲ Q11. Which of the parameter is set to zero for cyclic hopping? a) BTS Hopping (HOP) b) Hopping sequence number (HSN) c) MAIO Offset (MAIO) d) All of the above Q12. What is directed retry? a) A feature that allows a recovery system to restore a BCCH to its original TRX after fault has been eliminated. b) It is designed to control the traffic load of a frequency hopping radio network in which frequencies are reused tightly. c) It is used in call set up to assign a TCH to an MS from a cell outside the serving cell due to TCH congestion d) None of the above Q13. Which of the following is measured as BER? a) Received Signal Quality (RX QUAL) b) Speech Quality Index (SQI) c) Voice Quality d) All of above Q14. Polarization is characterized by 1. Direction of Magnetic Field 2. Direction of Electric Field 3. Direction of Electromagnetic Field 4. None of Above. Q15 Which one is correct for TMA, TMB and Repeater? 1. Amplifies U/L, Amplifies D/L, and Amplifies both. 2. Amplifies D/L, Amplifies U/L, and Amplifies both. 3. Amplifies U/L, Amplifies D/L, and Amplifies U/L. 4. Amplifies U/L, Amplifies D/L, and Amplifies D/L. <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved, No Spreading without Permission of ZTE 第3页 Q18 If HLR=5 Million subs.7. 1. <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. 4. Angular distance between the points on two opposite sides of the peak direction where the radiation intensity drops to the 1/8 of the peak intensity.Then how much Capacity is required to cater the subscriber in RF for 70% utilized Network. Angular distance between the points on two opposite sides of the peak direction where the radiation intensity drops to the 1/4 of the peak intensity.Internal Use Only▲ Q16 Define Beam width of Antenna? 1. Q17 From which technique we cancel the effect of Rayleigh Fading? 1. 4. 3. 3. Frequency Hoping.mErl/Sub=30. No Spreading without Permission of ZTE 第4页 . 300 K Erl 3. 165 K Erl Q19 Electrical Tilt antenna limits coverage through? 1. None of the above. Inserting Phase Shift. Inserting attenuation. Antenna Diversity. 135 K Erl 4. VLR/HLR=0. 3. Angular distance between the points on two opposite sides of the peak direction where the radiation intensity drops to the 1/2 of the peak intensity. MAIO. 2. 150 K Erl 2. Tilting of Dipoles. Angular distance between the points on two opposite sides of the peak direction where the radiation intensity drops to the 1/3 of the peak intensity. 2. 4. 2. Antenna Hoping. 8PSK 4. Dipole 4. GMSK 3. 4.Dedicated. VSWR=1/2 Q22 What is the difference between splitter and coupler? 1. Uneven Distribution of Power in coupler and even distribution in splitter. Parabolic Q21 Select relation between forward power and Reflected Power if load is not connected? 1. What does SGSN stands for? <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. VSWR=1 2.Internal Use Only▲ Q20 Which Antenna has the highest front to back Ratio? 1. PSK Q25.Ready 2. Idle.Standby 4. Idle. Even Distribution of Power in both. VSWR=∞ 3. None of above Q24. Uneven Distribution of Power in both.Standby. What are mobility management states in GPRS? 1. 2. Which modulation is used for EDGE above MCS-4 1. VSWR=0 4. 3.Ready 3. Q23.Standby. Loop 2. QPSK 2. Even Distribution of Power in coupler and uneven distribution in splitter. Yagi 3. No Spreading without Permission of ZTE 第5页 . Dedicated. 2. Loss α sqr(freq) 4. c) FACCH. <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. Messages? 1. MS receives which system info. No Spreading without Permission of ZTE 第6页 . 6. Q29 AMR is used to improve? 1. Q28 Freq used in Uplink of Satellite communication is higher while in GSM it is lower. 4. 3. 3. 2. SMS comes on which channel? a) SDCCH. Loss α freq. 3. Uplink Quality 4. System Info 1. 2. 3. MS receives which system info. Q30 In Idle Mode. System Info 1. Serving GMSC Support node 4. Serving GPRS Support node 3.4. None of the Above. 2. 2. None of the above. None of the above Q26 In dedicated mode. Messages? a) System Info 1.13. Downlink quality. d) None of the above. 3. Serving Gateway Support node 2. Loss α 1/freq.3. b) SACCH. Why? 1. SQI 2. None of the above.Internal Use Only▲ 1. System Info 5. Q27 In Dedicated Mode. 51 time slots. 2. All above are false. 4. one by IMSI and the other 2 by TMSI. GSM range will increase beyond 35Km 2. System Info 5. 3. 3.13. It will increase no of RACH channels and release congestion on RACH. 2. Type 3 Paging: can address up to 4 mobiles using the TMSI only. MS gets paging message from the target and replies it on its RACH and gets SDCCH allocated. MS gets paging message from the target and replies it on its RACH and gets TCH allocated.Internal Use Only▲ b) System Info 1. 2. All of the above. d) None of the above Q31 The Common Control channel multiframe consists of? 1. 3. 50 timeslots 3. SDCCH assignment will improve. 4. No Spreading without Permission of ZTE 第7页 . The MS continues connection from the source. 6.4. 3. 9 Time slots Q32 Which of the following are true? 1. 2. 4. tunes on the target and then releases the source cell. Type 1 Paging: can address up to 2 mobiles using either IMSI or TMSI. Type 2 Paging: can address up to 3 mobiles. Q34 If E-RACH is used then which of the following is true? 1. Q33 In GSM while performing handover 1. The MS breaks connection from source cell and then tunes on the target cell. 4 Time slots 4. 3. Q35 In dedicated mode the BTS receives handover command on? <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. 9 dB 4. 6 dB 3. 8PSK. TRX identifier for Edge TRX 4. Transcoder Input Erlang 3. GMSC <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. SDCCH 3.577 ms 4. Phase shift keying (PSK) 2. 3 dB 2.615 ms 2. 12 dB Q40 In inter BSC handover the handover is controlled by? 1. Gaussian Minimum shift Keying (GMSK) 3. Frequency modulation. None of the above Q39 As per GSM Standard in case of frequency hopping the C/I value should be at least? 1. 1250 ms 3. FACCH Q36 The duration of a single timeslot is? 1.25 ms Q37 Modulation used in GSM radio interface is? 1. 4. Terminal Equipment identifier 2. SACCH 4. No Spreading without Permission of ZTE 第8页 . TCH 2.Internal Use Only▲ 1. 4. 0. Q38 TIE stands for? 1. 156. MSC 3. 64 Q42 The permissible value of VSWR for feeder cable is? 1. To convert analogue speech signal from MSC to Digital signal for use of BSC 4. Training Sequence Code <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. Temporary subscriber code 3. Source BSC 4. 3. 16 3. >1 4. No Spreading without Permission of ZTE 第9页 .Internal Use Only▲ 2. Target BSC Q41 The maximum no of neighbors that can be defined with a cell is? 1. To convert 64 kbps speech channel on A interface to 16 kbps speech channel on A-ter Interface and vice versa. 32 4. 2. 8 2. <2 Q43 The function of Transcoder is 1. To convert analogue speech signal from BSC to Digital signal for use of MSC Q44 TSC stands for 1. To convert 16 kbps speech channel on A interface to 64 kbps speech channel on A-ter Interface and vice versa.3 3. >1. < 1. Time Synchronized Channel 2.3 2. Transcoder Signaling Controller 4. The BTS will go into locked state. The MS only 2. DNS Q49 Where is the mobility management context established in GPRS 1. Both the MS and the SGSN 4. SGSN 3. It will reject new call assignment but will receive calls by Handover 3.Internal Use Only▲ Q45 If Cell bar is set to “yes” on a cell then 1. Q46 DAP stands for 1. Dual Abis pool 2. It will reject Handover but allow new call to come 4. GGSN 4. It will reject new calls as well as handover calls 2. The SGSN only 3. In the MSC 2. In the SGSN 3. In the GGSN 4. Dynamic Allocation protocol 3. All of the above <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. No Spreading without Permission of ZTE 第 10 页 . None of the above Q48 The mapping of logical name/Host name to IP addresses in the GPRS network is done by 1. None of the above Q47 Who can initiate the GPRS detach 1. Border Gateway 2. Dynamic Abis Pool 4. Location Area 2. RLC Layer 2. CS-1 2. All of the above Q51 How many TDMA frames are there in a PDCH multiframe? 1. No Spreading without Permission of ZTE 第 11 页 . 51 2. 26 4. Routing Area 3. 8 Q52 Which coding scheme does not use Forward Error Correction (FEC)? 1. MAC Layer <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. CS-4 Q53 Which new area is defined in GPRS compared to GSM? 1. Physical Layer 2. 52 3. Application Layer 3. CS-2 3. None of the above Q54 Which layer is responsible for segmentation and reassembly of LLC PDUs and backward error correction (BEC) procedures? 1. RLC Layer 4. MAC Layer 4. Both a and b 4.Internal Use Only▲ Q50 Which layer uses the functionality of Uplink State Flag (USF)? 1. Physical Layer 3. CS-3 4. TCH <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. No Spreading without Permission of ZTE 第 12 页 . 13. FACCH 4. 4 3. CS-4 Q56 What is the single timeslot data rate for coding scheme CS-2 1. 10.4 Kbit/s 3.4 Kbit/s 4. 2 4. 6 2. CS-1 2.8 Kbit/s 2. CS-2 3. 7. Combiner works in a) Downlink direction b) Uplink direction c) In both direction d) As a Amplifier Q58 Number of AMR codec modes used only in FR? 1. SDCCH 3. CS-3 4. 8 Q59 During conference call which channel is used to establish another call1. SACCH 2. 21.Internal Use Only▲ Q55 Which coding scheme has adopted the same coding as used for SDCCH? 1.4 Kbit/s Q57. 1. BCCH & BSIC of Source 2. No Spreading without Permission of ZTE 第 13 页 . What is the cause value for normal call release? <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. LAC=100. Mobile Station Registration Number 2. 4040510014011 2. Allocate SDCCH for Call and SMS simultaneously. None of Above. 4040510033273 Q63. All of above. then what will be CGI for same?? 1. 4. CI = 14011. Handover Reference Value 4. Mobile Station Roaming Number 4. Q64 What is the use of Immediate Assignment Extended Command? 1. If my MCC=404. MNC=05. BCCH & BSIC of Target 3. Which information is there in Handover Access Command in Layer 3 Message? 1. 4. Q65. Difference between first frequency of Uplink and last frequency of Downlink. 1. Allocate SDCCH for 3 Mobiles 3. Q62. 4040514433273 4. 404056436BB 3. None of the above. Difference between first frequency of Downlink and first frequency of Uplink. Allocate AGCH for 2 Mobiles 2. Q61 What does MSRN stands for ….Internal Use Only▲ Q60 What is Duplex spacing. Mobile Station Register Number. Difference between last frequency of Downlink and first frequency of Uplink. Mobile System Registration Number 3. 3. 2. SDCCH Drop <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. CM 3. Which system information message contains NCC Permitted Values? 1. None of Above. None of Above. No Spreading without Permission of ZTE 第 14 页 . 16 2. SI 2 3.Internal Use Only▲ 1. Q68. 3 3. By reducing value of RET parameter it will help to improve which KPI? 1.AMR HR Traffic 3. All of Above. If AMR FR & AMR HR is enabled in network. Total Traffic – AMR FR Traffic . Total Traffic – GSM HR Traffic – AMR FR Traffic – AMR HR Traffic 4. then what will be the formula for counting GSM FR Traffic with help of EOSFLX KPI Reports ? 1. RAC Update 3. Cell Update 2. LAC Update 4. Q70. Handover Q69. 14 4. TCH Drop 2. When timer T3212 expires which process is initiated? 1. RRM 2. Total Traffic – AMR FR Traffic 2. SI 6 2. MM Q67. 4. 45 Q66. CRM 4. Location Update Request falls under which management system? 1. 255 3. IDR 3. None of above. What is the range of AMH TRHO PBGT Margin parameter? 1. Load Factor > Priority Level 2. 16 2. -6 to +24. -6 to +6. 255 4. +6 to +24. 24 3. 255 Q72. Which are the basic features helps to distribute traffic in nearby cells? 1.Internal Use Only▲ 3. Load Factor <=Priority Level Q73. CRO 2. Q71. 255 2. Load Factor >= Priority Level 3. Load factor < Priority Level 4. Penalty Time <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. TEO 3. DR 2. All of above Q74. While Using Path loss Criterion C2 which parameter should be made “0” so that this particular cell have higher C2 Value even though having poor C1? 1. No Spreading without Permission of ZTE 第 15 页 . -24 to +24. Using Multi BCF Common BCCH feature operator can expand how many numbers of TRX in one segment without using another BCCH? 1. 36 Q75. What is the relation between HO Load Factor and HO Priority Level? 1. 30 4. AMH 4. HO Success 4. GSM Performance Report 2. GSM Benchmark Report 3. 0 to +63 Q79. 8 <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. Which types of GSM Reports are generated by Nemo Analyzer? 1. 7 3. Q76. 0 2. All of above 4. spectrum directly? 1. 8 4. 1 3. -24to +63 2. DR 2.Internal Use Only▲ 4. No Spreading without Permission of ZTE 第 16 页 . How many maximum uplink TBF can be there per RTSL? 1. What should be minimum value of CDED (%) to have 1 RTSL as dedicated GPRS Timeslot considering 2 TRX as GPRS TRX? 1. DADL 4. -63 to +63 4. DADB 3. 6 2. What is the range of parameter PMRG? 1. -24 to +24 3. All of above Q77. Common BCCH feature is implemented in network. None of above Q78. 9 Q80. None of above. then which feature will help to access the secondary freq. DL Power Control 3. What does TRP Value = 3 means? 1. SD GOS = 1/4(TCH GOS) 4. All of above. SD GOS = 1/2(TCH GOS) 3. 2 3. None of above. How many basic EGPRS MCS Families are there? 1. 10 Q81. Which parameter setting can help to increase the TBF Retainability? 1. Q84. No Spreading without Permission of ZTE 第 17 页 . 3 4. TCH allocation from beyond BCCH TRX for non-amr user and from BCCH TRX for amr USER 3. 4. SD GOS = TCH GOSDTX 2. 4 Q83. Which is / are the main factors affecting the Radio Accessibility for TBF in UL/ DL? 1. Capacity 3. Coverage 2. All of above. What should be SDCCH GOS when compared to TCH GOS? 1. Q85. SD GOS = 2(TCH GOS) <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved.Internal Use Only▲ 4. None of Above Q82. UL Power Control 2. 1 2. All of above 4. Interference 4. TCH allocation from BCCH TRX for non-amr user and from beyond BCCH TRX for amr USER 2. GSM Antenna Gain 2. 0. MAL ID 2. MAIO Offset Q91. When 2 calls are made from different TRXs of same cell having 1*1 RF hopping. 0. SDCCH carrying CBCH cannot be used. Feeder Loss 4. MAIO Step 4. 4. In Link Budget. Which feature/technique is not used to reduce blocking / congestion? 1. Burst Formatting <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved.2 .4 . 1. Channel Coding 3. Q89. Following is false when using Dynamic SDCCH. SDCCH Handover cannot be used. what plays important role to neglect C/I? 1.3. Every SDCCH request can be fulfilled by Dynamic SDCCH.4 2.1. Traffic Reason Handover 3. Free TCH is used when SDCCH is required. 3.8 3. Frame loss can be reduced by: 1. what has the least importance? 1. Directed Retry 2.12. Path Loss 3. 2. MS Antenna Gain Q90. Dynamic SDCCH 4.6 Q88.8 . 1.Internal Use Only▲ Q86. 6. No Spreading without Permission of ZTE 第 18 页 . Interleaving 4.2 4. Rx Quality = 3 means BER =? 1. Speech Coding 2. Intra Cell Handover Q87.6 . HSN 3.0. Which type of antenna is used in MS? 1. 576. Omni 3. Out of following channels which one is common channel? 1. FACCH Q95. Dipole 2. SAIC 2. Out of following channels which one is the answer to RACH? 1.12sec 4. TMA Implementation Q93. No Spreading without Permission of ZTE 第 19 页 . HOP = OFF 4. 480ms Q97. STIRC 3. AGCH 3.Internal Use Only▲ Q92. SACCH Q96. Remove Combiner 2. Freq. Loop 4.615ms 3. AGCH 2. 4. TCH-FR 4. In Air-interface TDMA time-slot means how many Seconds? 1.9us 2. Cross-polar Q98. AMR Progressive Power Control 4. Air-Combining 3. What is the Basic feature amongst below: 1. SDCCH 2. 6. FACCH 4. SACCH 3. What can be done to overcome combiner loss when cell is upgraded from 2 TRX to 3 TRX? 1. Choose the correct Erlang Formula? <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. Hopping Q94. Out of following which one is not a part of NSS? 1. 3 out of 100 calls may fails 2. x Erlang= (calls per hour)*(no. of users)/3600 sec Q99. Paging message for >4 mobiles Q102. System Info 2 2. System Info 13 Q104. average call duration is 3min 3. Paging message for 3 mobiles 2. Paging message for 4 mobiles 4. what does it mean? 1. x Erlang= (no. System Info 5 4. x Erlang= (no. 1. Call related SS message Q101. of user)*(3600 sec)/ (calls per hour) 3. Connection Management 3. Charging Q103. No Spreading without Permission of ZTE 第 20 页 . Which one out of following is not a part of AMR Codec Modes? <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. of user)/ (average call duration) 4. Which type of message is "Identity Request”? 1. Call Control 4. at a time 3% of total users can make a call 4. If GOS of an N/W is 3%. out of following Info messages which one carries Dedicated Mode Information? 1. Paging message for 2 mobiles 3. Radio Resource Management 4. Paging message type 2 contains. Radio Resource Management 3. System Info 4 3. Mobility Management 2. of calls)*(no. In L3 messages. 3% blocking in the N/W is permitted Q100.Internal Use Only▲ 1. Mobility Management 2. x Erlang= (calls per hour) * (average call duration)/3600 Sec 2. Out of following. Eliminates the problem of fading dips 2. 4. the Viterbi equalizer 3.Internal Use Only▲ 1. When we say the output power of a Transmitter is 30dBm. 29. BTS 3.9 3. 7. Yaagi-Uda Q110.2 Q105. BSC 2. interleaving Q107.2kbps 3.6 2. reflection 4. Helical 3. Log-Periodic 4. Eliminates the problem of ISI 3.4 4. MSC 4. spreads the problem of fading dips to many mobile stations Q106. fading dips 2. Out of following which element/s in the GSM N/W can not initiate HO? 1. Maximum data throughput / tsl possible incase of GPRS is: X` 1.4kbps Q108. None of Above Q109. 21. how many watts does it mean? <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. No Spreading without Permission of ZTE 第 21 页 . 27. Frequency Hopping… 1. ISI is caused by: 1. which type of antenna has highest directivity? 1. Dipole 2.2kbps 4. 5. is part of channel coding 4.8kbps 2. 18. 12. Repeater 2. GPRS Attach Q113. 473.Internal Use Only▲ 1.8kbps 4. how much Downlink Throughput can we guarantee to customer? 1.A8 4. 30mW Q111. How many blocks of AGCH are reserved in non combined mode? 1. A3. Rx Quality 2. TMA (Tower Mount Amplifier) 4. None of Above. 1-7 2.6kbps 3. RAND. 0-2 3. Location Update 3. 1mW 4. Paging Load 4. No Spreading without Permission of ZTE 第 22 页 . What are the contents of authentication triplets? 1. Cross Polar Antenna 3. SRES. 236. Out of following which can not be observed during Drive-test? 1. Out of following which one is a passive device? 1.A8 <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved.RAND.A5.Kc 3.A3. 3W 2. 59.A8 2.Kc. can't guarantee Q114. SRES. 1W 3. Q115. TRX Q112.2kbps 2. 0-7 4. If a cell is EDGE capable. Internal Use Only▲ Q116 Frequency hopping in a network: 1. 4 3. Less than 9 4. Q121 What are the coding schemes observerd in UL/ DL after implementing EDGE in your Network: 1. Transmission of short messages 3. Above 12 3. 2 2. Q118 How many TS can be used at the most with HSCSD? 1. None of the above is correct. Sub 3. Q117 . Above 9 2. 6 4. No Spreading without Permission of ZTE 第 23 页 . 8 Q119 What should be the value of C/I when you are in hopping mode? 1. Assignment of traffic channel to MS. Does not provide optimal gain if the hopping frequencies are less than 4 3. Authentication 2. CS1-CS4 <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. May or may not be implemented 2. Adaptive power control information from BTS to MS only 4. None of the above. Both 4. All of the above are correct Q120 Which value of level and quality should be considered for analysis in a DT log 1. 4. Full 2.Which of the following functions is not done by SDCCH CHANNEL: 1. Both above are correct. Dynamic Access Pool 3. 24Erlangs 2. MCS5-MCS9 4. 22. Dynamic Access Protocol 4. MCS1-MCS9 Q122 What does DAP stand for? 1. 6 4. 4 Q124 How many TRX’s can be accommodated max on a single E1 where DAP pool is assigned for 4 TS in a Ultra site 1. 2 3. 16 3.03Erlangs 3. Dynamic Abis Pool 2. MCS1-MCS6 3. 24 Q125 How much traffic will be offered by a sector having 4 TRX with GOS of 2% 1. 21.12 Erlangs Q126 Which ND report would you refer in order to find the discrepancy for Handovers? <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. 18 4. 12 2. None of the above Q123 How many codec’s can be defined for AMR HR 1. 5 2.Internal Use Only▲ 2. 23. No Spreading without Permission of ZTE 第 24 页 .56Erlangs 4. Report 166 3. HO is performed from SDCCH of serving to SDCCH of adjacent cell Q130 Which alarm indicates the TRX faulty operation in the system: 1. None of the above Q129 In case of Directed retry HO: 1. Report 153 4. HO is performed from TCH of serving to TCH of Adjacent cell 2. All of the above Q128 BBH is generally implemented where: 1.Internal Use Only▲ 1. Physically verifying whether the cell is having up tilt 4. Report 163 2. For dense network 2. On the basis of TA 2. 7725 4. No Spreading without Permission of ZTE 第 25 页 . 7601 2. HO is performed from TCH of Serving to SDCCH of adjacent cell 4. HO is performed from SDCCH of serving to TCH of adjacent cell 3. From ND report 232 3. 7602 3. For cells where tight frequency reuse is required 4. 7745 Q131 C/I estimation during a DT can be done in: <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. Report 208 Q127 On what basis would an optimizer decide whether the site serving is overshooting: 1. For small capacity network 3. -47dbm 2. Both A&B 4. D/L 3. Neighbors with Co-BCCH and Co-BSIC 4. All of the above. Wrong definition of LAC. Rx Qual Sub 3. Only A is correct 4. -85dbm Q136 What would be the output of a cell with parameter setting as MstxPwrmax=0db. Q133 Drop calls due to Handovers can be caused basically due to: 1. -110dm 3. U/L 2. -65dbm 4. the probable causes would be 1. Cannot be estimated.BsTxPWrMax =30db <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved.CI 2. Neighbor with Co-BCCH 3. Q135 What should be the value of Rxlev Access min set: 1. SQI 4. No Spreading without Permission of ZTE 第 26 页 . DMAX=0 3. Rx qual Full 2. Neighbors with Co-BSIC 2. Q134 Consider a cell where the no calls are happening.Internal Use Only▲ 1. Rx Qual. Both A&B are correct. Q132 Which is the unique feature in TEMS for analsing speech quality: 1. 2 3. 3 4. 208 3. 228 4. 232 2. Q137 What would be the power loss after using a combiner in a sector: 1. Cell will carry very few calls 3. Cell will carry max. Q141 ‘Booster ’ becomes a solution in case of : <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved.EDGE=Y: 1. Both B&C are correct. 1 2. -3db 4. -1db 3. Cell with a correct parameter setting.Internal Use Only▲ 1. -2db 2. -4db Q138 What will happen in case where GTRX=Y(Non Edge TRX).no of calls 2. Q139 Which report would give you the total payload for GPRS: 1. Q140 In a Flexi BTS 1 physical TRX would logically represent how many Trx: 1. System will not allow the TRX to be unlock 3. Cell will not be latched 4. None of the above. 226. No Spreading without Permission of ZTE 第 27 页 . TRX will go in Block state 4. TRX will be unlocked 2. No Spreading without Permission of ZTE 第 28 页 . Report 166 7. 1 4. 188 8. <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. Report 208 Q145. Which ND report would you refer in order to find the discrepancy for Handovers? 5.On what basis would an optimizer decide whether the site serving is overshooting: 5. Which ND report gives the data for RACH rejection on cell level? 5. A & B Both 4. All of the above Q146. 226. Capacity 2. 111. 232 6.Internal Use Only▲ 1. Q144. Report 163 6. On the basis of TA 6. 134 6. 4 Q143. None of the above Q142 Recommended value of ITCF is : 1.Which ND report would give you the total payload for GPRS: 5. 132 7. 2 2. 0 3. 208 7. 228 8. Report 153 8. From ND report 232 7. Drive test logs 8. Coverage 3. ZELO Q148 Value of BSC Timers can be checked by command: 1. No Spreading without Permission of ZTE 第 29 页 . 216 4. ZEOL 4. Which report shows percentage of HO attempts happening due to GPRS? <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. Q151. All adjacencies 4.Which report gives value of dedicated data time slots: 1. ZEGO Q149 ND Report 71 Tells: 1. Adjacencies having highest success rate 2. ZEHO 4. 053 3. ZEDO 3. ZEQO 3. Which is ND Report number for AMR Parameters? 1. 111 3. None of the above Q150. 053 Q152. 063. 061 4. ZERO 2. 051 2. 051 2. ZEFO 2.Internal Use Only▲ Q147 What is a Command to check active alarms on bts: 1. Adjacencies having highest failure rate 3. All of Above <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. Smart Radio Concept(SRC) 4. Which are the Coverage Enhancement Features of NSN System? 1.Internal Use Only▲ 1. 150 2. 061 2. 067 4. 182 4. 073 Q157. 186 Q155. 213 3. 226 Q154 In which ND report we can see hourly Traffic Profile for a cell? 1. 166 Q156. Reverse ICE 3. 163 4. In which ND report we can see adjacency discrepancy between neighbor definitions? 1. 151 3. 216 2. 204 2. In which ND report we can see hourly call drops due to TCH_RF_NEW_HO counter? 1. 154 Q153 Which ND report gives detailed analysis of a cell? 1. 180 2. ICE 2. 181 3. 186 4. No Spreading without Permission of ZTE 第 30 页 . 153 4. 216 3. 060 3. single data user attached)? 1. 216 3. 229 4. How many 64 Kbps DAP TSLs are required if MS is using MCS 9 (consider: dedicated data timeslot = 4. 6 4. 264 Q163. 222 Q159. 226 3. msl_14 3. 2 2. 5 2. Which ND Report shows Paging Success Rate per LA? 1.Internal Use Only▲ Q158. What is the Maximum output power of Metrosite BTS in terms of Watt? 1. 10 3. 8 Q162. 213 2. 64 2. Which ND report shows EGPRS KPI? 1. 256 4. msl_15a 4. msl_13 2. 20 <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. 228 Q160 Which counter shows DL multislot assignment in percentage? 1. 230 2. 128 3. No Spreading without Permission of ZTE 第 31 页 . 4 3. msl_16a Q161. How many maximum Abis timeslots can be handle by PCU ? 1. 186 4. Metro Site 3. Which of the following BTS Type do not have combiner in-built in them? 1. 110 2. 3 3. 153 2. Gn 4. 220 Q165. DPM ( Dual Paging Mode) 3. No Spreading without Permission of ZTE 第 32 页 .Internal Use Only▲ 4. 156 Q167. 40 Q164. How many TRX’s can be handled by 1 BB2F Card in Ultra Site BTS? 1. 200 3. Flexi BTS <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. 154 3. 6 Q168. 155 4. 4 4. DPT ( Dual Paging Transmission) Q166. What is the maximum number of TRX’s can created per BCSU in BSC 3i with version S12? 1. Gs 2. Ultra Site 2. In which ND report we can see TRHO Handovers attempt and success? 1. 2 2. Which interface is required to implement combine paging (Voice + Data) 1. 100 4. What should be minimum value of CDED(%) to have 1 RTSL as dedicated GPRS Timeslot considering 2 TRX as GPRS TRX? 1. 154 4. 150 2.2 Kbps 3. CDED>CDEF 3. 118 Kbps 4. 10 Q173 Which report shows Intra Cell Handover Statistics? 1. In which ND report we can see paging deletion counts for cell level? 1. 280 2. Which report will help to see EDAP Congestion? 1. 153 3. 59.4 Kbps <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. 182 4. 180 2. 082 Q170. 158 Q174 What is the maximum data throughput/timeslot can be achieved in case of MCS 9? 1. 0 2. None of above Q169. 64 Kbps 2. 230. CDED=CDEF+CMAX 4. 128 4. 1 3. 281 3. CDED<=CDEF 2. CDEF=CDED+CMAX Q172. 186 Q171 Out of following. 181 3. which is true as per NSN Specification? 1. 8 4. No Spreading without Permission of ZTE 第 33 页 .Internal Use Only▲ 4. Internal Use Only▲ Q175 Which BTS Type does not support Rx Diversity (RDIV) parameter? 1. Flexi BTS 4. 196 4. 180 2. TCSM 2. 269 3. Better speech quality 4. but also feature of analog mobile communication network? 1. 169 Q178 ND Report gives radio timeslot configuration? 1. Flexi Edge BTS 2. 121 4. MCS 1 2. Digital transmission of user data in air interface 2. BSC 3i 3. Fully digitized switching exchange <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. 111 2. Possibility of full international roaming in any country 3. CS 1 Q177 Which ND Report shows Trx vise quality distribution? 1. MCS 9 3. TRX Q180 Which of the following is not a feature of GSM network alone. 051 Q179 Noise separation feature can be implemented in? 1. Metro BTS 4. No Spreading without Permission of ZTE 第 34 页 . Ultra BTS 3. Talk Family BTS Q176 In case of EDGE which of the following CS offers highest coverage? 1. 222 3. MCS 5 4. MSC-VLR 3. Both of the above 4. BTS Power 4. Soft 3. Physical layer Info 2. 11111111 3. BSSMAP Info 4. Hard 2.Internal Use Only▲ Q181 which of the following is parameter affecting cell sites while planning the network 1. 4. GSM L3 Info Q186 Maximum PLMN Permitted can be ? a) 7 b) 8 <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. Lap-D Info 3. Q185 Mobile identity is a part of? 1. Make before break Q184 Choose the correct bit pattern of a flag in LAP-D format ? 1. Antenna height 2. No Spreading without Permission of ZTE 第 35 页 . MS power 3. 01010101. 10101010. HLR-VLR Q183 In GSM which type of handover occurs? 1. MSC-MSC 2. MSC-HLR 4. 01111110 2. None Of Above Q182 What is E interface? 1. the decision to make a handover is done by a) BSC controlling the target cell b) MSC controlling the target cell c) BSC controlling the current cell d) MSC controlling the current cell Q192. If an inter MSC handover occurs during a call.Internal Use Only▲ c) 1 d) 2 Q187 how many BSIC possible if NCC=4. No Spreading without Permission of ZTE 第 36 页 . Which of the following is true? a) MAP stands for Mobile Access Part b) LAP-D protocol is used to communicate between MSC and BSC c) MAP is used for communication between MSC and HLR d) BSSAP is used for communicating between BSC and MS Q191. BSSAP needs the services of SCCP to a) Analyze A subscriber data b) To perform Connectionless signaling with the MSC c) Send MAP messages to HLR via the MSC d) To make a virtual connection between the MS and the MSC Q190. no of BCCH ARFCN =8 ? a) 32 b) 64 c) 256 d) 1024 Q188 DTX helps in a) Reducing TCH congestion b) Reducing SDCCH congestion c) Reducing interference d) Improving paging success Q189. Which of the following is not an advantage of the GSM network <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. At least λ/4 separated 2. wrong neighbor defined 2. Ciphering status 4. None of above Q196. At least λ/10 separated <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. with air combining. Neighbor Cell Id 2. HSN Q 197. Which of the following facility is not supported by Net monitor? 1. In a cell configured with phase diversity. The basic principle of speech coding in a GSM Mobile Station is a) A-Law PCM with 8 bits per sample b) -Law PCM at 104Kbits/s c) A-Law PCM with special filtering at 13Kbits/s d) None of the above Q194. Authentication verification is carried out in a) HLR b) MSC c) VLR d) Authentication Centre Q195. CGI creation problem 3. handover traffic is present 1. No Spreading without Permission of ZTE 第 37 页 . Same BCCH Allocated in neighbor 4. No calls initiating in a cell. DTX Status 3.Internal Use Only▲ Compared to other networks which use the same frequency band? a) Lower Carrier to Interference Ratio for signal reception b) Use of MAP signaling c) Frequency reuse is more efficient than in other networks d) Lower bit rate for voice coding Q193. what should be ideal distance between two antennas of same sector? 1. 0 distance 4. Alarm no. No of TCH in sector 3. No Spreading without Permission of ZTE 第 38 页 . 2993 indicates 1. All of above Q199. Which of the following is supported by remote tune combiner? 1. OMU Signaling Q200. Which of the following is affecting SDCCH capacity on Abis Interface? 1. Cyclic Hopping 4. TCH Drop on Abis Interface 2. TCH Drop on Ater Interface 3.Internal Use Only▲ 3. BB Hopping 2. EDAP Pool 4. TRX Signaling Size 2. TCH Drop on A Interface <以上所有信息均为中兴通讯股份有限公司所有,不得外传> All Rights reserved. None of above Q198. TCH Drop on Air Interface 4. RF Hopping 3.
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