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Question 71/106
Which of the following interfaces apply the GTP-U protocol? (Multiple choice)
Correct Answer: A,D
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- Other Question (106q)
- Q1. Which of the following belong to the transport physical layer fault? (Multiple choice)...
- Q2. Which of the following does not belong to the special subframe of TDD-LTE?...
- Q3. Which of the following statements are wrong?
- Q4. In the Uu interface protocol stack, the PDCP protocol entity implements IP header compress...
- Q5. Which of the following wireless frame structures is used for TDD LTE?...
- Q6. In addition to providing installation space for the BBU, the APM30H cabinet also has 7U of...
- Q7. If you want to install a cabinet that needs to be prepared for electricity and works at hi...
- Q8. Resource element (RE) is the smallest data grid in an LTE system....
- Q9. Which of the following flags is used for the inter-eNB X2 interface to uniquely identify o...
- Q10. In the case of TDD LTE normal CP, there are 9 kinds of matching in the special subframes....
- Q11. What respectively are the mainstream sub-frame ratio and special subframe ratio of project...
- Q12. Which of the following is the number of types of LTE UEs defined by the R8 protocol?...
- Q13. In LTE, which of the following is used for high-speed data transfer in the downlink?...
- Q14. Which of the following is the SERVER of the DHCP function of the network management server...
- Q15. Which of the following are the modulation techniques that LTE can support in the 3GPP R8 p...
- Q16. The control plane link of the S1 interface must be manually configured and the user plane ...
- Q17. Which of the following command can query the model and supported band of RRU?...
- Q18. Which interface is used for signaling between eNodeBs in LTE?...
- Q19. FDD frame, PSS and SSS actually occupied by the carrier frequency number is 72....
- Q20. Which of the following factors is not considered when calculating the downlink budget?...
- Q21. Which of the following NE does LTE system's IMS service data transmission have nothing to ...
- Q22. In FDD, which of the following is the theoretical peak of the downlink cell MAC of the 20M...
- Q23. How many subcarriers does the PBCH channel occupy in the frequency domain?...
- Q24. Modifying the device protocol type through the MML command "MOD ENODEB" requires resetting...
- Q25. What is the correct description of the TA plan? (Multiple choice)...
- Q26. Which of the following is the length of a regular CP in the physical layer of the TD-LTE s...
- Q27. Which of the following parameters are the Qos parameters of the EPS-specific bearer? (Mult...
- Q28. UE has two PDN connections that APN-AMBR respectively are 30M and 50M, UE-AMBR that UE sig...
- Q29. In the switching process, MME choose other MME is based on which of the following informat...
- Q30. SRB1 can only be used to carry RRC signaling.
- Q31. Which of the following interface is based on the S1-AP protocol?...
- Q32. Which of the following are the FFT sizes that LTE support? (Multiple choice)...
- Q33. The UMPT board is the master control board of the BBU3900 and must be inserted in slot 7 f...
- Q34. Which of the following is the maximum number of TA in a TA List?...
- Q35. What are the following parts of ARP? (Multiple choice)...
- Q36. Which of the following interfaces use the SCTP protocol? (Multiple choice)...
- Q37. In the LTE system, which of the following carrier bandwidths can be configured? (Multiple ...
- Q38. LTE systems provide only packet-switched connections; it does not provide circuit switched...
- Q39. Which of the following two NEs is the ERAB bearer established in LTE?...
- Q40. Which of the following authentication vectors does the network use for UE authentication i...
- Q41. Which of the following GTP v2 messages can only operate on one bearer?...
- Q42. How many RE does an RB contain when using a regular CP?...
- Q43. Which of the following functions does the eNodeB include? (Multiple choice)...
- Q44. What does the PGW (Packet Gateway) do in LTE?
- Q45. When the network adjustment is made, if the adjustment occurs before the PAC, the commerci...
- Q46. To the power control protocol of the downlink physical channel PDSCH, LTE system does not ...
- Q47. After the network attach successfully and the default bearer is established, which of the ...
- Q48. The UE implements uplink synchronization by searching for a PSS signal and an SSS signal....
- Q49. The wireless layer access class information, which is allocated to a specific UE, includin...
- Q50. Which of the following conditions may cause a lower downlink throughput rate? (Multiple ch...
- Q51. What are the shortcomings of OFDM? (Multiple Choice)...
- Q52. The near-end commissioning internet access on the UMPT is USB, the insert cable is connect...
- Q53. Which of the following description about TA List is not correct?...
- Q54. Which of the following are the solutions of the missed neighbor cell? (Multiple Choice)...
- Q55. Which layer is HARQ deployed in?
- Q56. The UBBP board supports reuse of baseband resources between systems to achieve multi- syst...
- Q57. Which of the following interface is based on the Diameter protocol?...
- Q58. Which of the following is NOT part of the LTE EPC (Evolved Packet Core)?...
- Q59. The eNodeB supports to configure the S1/X2 interface through Link and End-point....
- Q60. When treating fault, if we can guarantee the fault can be solved, do not need to back up d...
- Q61. Which of the following protocol version of the 3GPP Release is LTE/SAE?...
- Q62. The VLAN configuration used by the service plane of the eNodeB is incorrect, will not caus...
- Q63. The working frequency band of a certain cell is 2570~2590MHz. Which of the following is th...
- Q64. Which version of 3GPP are defined the SAE (EPS) architecture and process protocols followe...
- Q65. UE has signed two APN, which APN-1 in the HSS signed APN-AMBR is 2Mbps, APN-2 signed APN-A...
- Q66. Which of the following factors affect the theoretical peak of the LTE cell? (Multiple choi...
- Q67. In LTE, the uplink pilot signal is used for E-UTRAN's and the UE's synchronization and upl...
- Q68. Which of the following channels is the control information for transmitting the number of ...
- Q69. The Attach process is the ESM process at the NAS layer....
- Q70. Both the indoor distribution RRU3151 and RRU3152 series support 2T2R configuration....
- Q71. Which of the following interfaces apply the GTP-U protocol? (Multiple choice)...
- Q72. Which of the following is a key advantage of LTE over 3G?...
- Q73. SFBC is a transmit diversity technique that mainly obtains transmit diversity gain for are...
- Q74. Which of the following parts does S-TMSI consist of?...
- Q75. LTE has only two states: idle state and connected state....
- Q76. In the EPC network, the S-GW and the P-GW can be deployed together. Which of the following...
- Q77. The CPRI protocol between BBU and RRU is private protocol....
- Q78. Which of the following downlink physical channel is used to carry HARQ information?...
- Q79. The duplex of LTE can use FDD and TDD, what are the advantages of FDD? (Multiple Choice)...
- Q80. Which of the following is an MML command to query the number of users on the ENodeB?...
- Q81. A single BBU3910A supports a maximum of 18 cells....
- Q82. Which gain of MIMO can increase the peak rate of the UE?...
- Q83. Which interface's transmitted power of the following is EIRP?...
- Q84. Which of the following is the input parameter for the SGW selected by the LTE/EPC network?...
- Q85. The main functions of RRU are modulation, demodulation, data compression, amplification of...
- Q86. Which LTE interface connects the eNodeB to the core network?...
- Q87. If the negotiation mode is inconsistent on both ends of the FE/GE optical port of the UMPT...
- Q88. Which of the following does mark the identifying of the user PDN connection include in LTE...
- Q89. Which of the following belong to the transmission fault detection mechanisms in LTE? (Mult...
- Q90. In the process of Attach/TAU/Handover, which of the following information are based on by ...
- Q91. Which of the following statements is wrong?
- Q92. Which of the following transmission modes is suitable for high-speed movement and high SIN...
- Q93. Which of the following MML parameters is assigned to the specified reference clock source ...
- Q94. What is X2 handover in LTE?
- Q95. AAU is often used in scenes where the top surface is tense....
- Q96. The CP length needs to consider factors such as spectral efficiency, inter-symbol interfer...
- Q97. What are the advantages of BBU3910 compared to BBU3900? (Multiple choice)...
- Q98. S-TMSI is a simplified representation of GUTI to improve the efficiency of the wireless si...
- Q99. In DBS3900, which of the following single board can provides alarm monitoring interface?...
- Q100. Which of the following are related to the SINR value? (Multiple choice)...
- Q101. In the LTE time synchronization scheme, which of the following time synchronization server...
- Q102. Which of the following systems and antenna feeder systems does AAU integrate?...
- Q103. In the SAE system, which of the following network element is the accounting policy control...
- Q104. In LTE, the uplink pilot signal includes DMRS and Sounding RS....
- Q105. An EPS bearer QCI = 4, which of the following statement is correct? (Multiple Choice)...
- Q106. What is the main role of the MME in LTE?
