EMT Practice Test

1. Question Content...

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Question1: Which of the following statements about LTE tools is ? (Multiple Choice)

Question2: What is the role of IMRN in VOLTE?

Question3: What are the correct adjustment principles for RE and ABS in the TDM eICIC program?

Question4: In the LTE system, the radio interface includes layer 1, layer 2, and layer 3, wherein layer 1 is a physical layer; layer 2 includes MAC layer, an RLC layer, and PDCP layer, wherein the MAC layer performs ARQ functions.

Question5: What information is determined by the location of the PHICH resource for each upstream user? (Multiple Choice)

Question6: In the LTE network, which of the following is the handover command eNodeB sent to the UE under UU port?

Question7: Which of the following ways can reduce the power consumption of LTE mobile phones?

Question8: Which of the following interface is based on the Diameter protocol?

Question9: Which of the following transmission modes does the RLC layer support? (Multiple Choice)

Question10: During the test, the bit error rate below 20% is normal.

Question11: Which of the following modules does the AAU function module include? (Multiple Choice)

Question12: Which of the following options can improve the VOLTE uplink coverage technology? (Multiple Choice)

Question13: D, F, E spectrum corresponding frequency band are respectively 38,39, 40; the corresponding frequency range respectively is 2570-2620,1880-1920,2300-2400.

Question14: Which of the following handovers will definitely not go to the same frequency cell? (Multiple Choice)

Question15: Which of the following description about GPS laying principles are ? (Multiple choice)

Question16: Which of the following scenarios need to use the RIM process?

Question17: Which information has been re-acquired after the service request is successful?

Question18: Regarding the over-zone, overlapping coverage control, which of the following statements is wrong?

Question19: When CPRI uitzoomen distance is greater than 20km and less than 40km, LBBPd3 maximum support 3x20M 2T2R.

Question20: How long is the TTI of the MIB (master information block)?

Question21: SFBC is a transmit diversity technology that mainly obtains transmit diversity gain and is used in areas with low SINR, such as cell edges. Compared with STBC, SFBC is a space-frequency two-dimensional transmit diversity, while STBC is a space-time two-dimensional transmit diversity.

Question22: One resource block RB has 14 symbols in the time domain and 12 subcarriers in the frequency domain.

Question23: When the user is in ECM-IDLE state, which of the following is the user's location granularity that the network can know?

Question24: In the downlink scheduling, which factors will affect the allocation of downlink shared resources and the selection of MCS? (Multiple Choice)

Question25: Huawei base station all version supports multiple RRU merger cell, also support cross the baseband board merger.

Question26: What are the effects of improper adjustment of the mechanical downturn of the antenna? (Multiple Choice)

Question27: What are the control information that PUCCH can carry? (Multiple Choice)

Question28: Which of the following reasons will cause radio frequency unit accept channel RTWP/RSSI too low alarm? (Multiple choice)

Question29: Regarding the carrier aggregation characteristics, which of the following descriptions is wrong?

Question30: Regarding LTE neighbor cell planning, Which of the following description is in?

Question31: In SAE, which of the following entity use to deal with the control plane of S1 interface?

Question32: Regarding TA planning, which of the following statements is in?

Question33: Which of the following factors will affect the coverage distance of LTE downlink? (Multiple Choice)

Question34: The RET interface on RRU is used to connect tunable antenna.

Question35: Which of the following modulation method can LTE system support? (Multiple choice)

Question36: Which of the following channels can change the modulation mode during the scheduling process?

Question37: Which of the following defines the maximum sum of all non-GBR bearers between the UE and a PDN?

Question38: Which QCI does IMS signaling correspond to?

Question39: In large, medium and small cities, many streets have tall buildings on both sides. To avoid time dispersion, the cell antenna azimuth of nearby base station cannot be installed on the street.

Question40: The UBBP board supports reuse of baseband resources between systems to achieve multi-system concurrency.

Question41: In the process of Attach/TAU/Handover, which of the following information are based on by MME using DNS resolution function to select the S-GW?

Question42: Which of the following messages contains UE history information?

Question43: About the description of the gateway selection in EPC, which of the following are ? (Multiple Choice)

Question44: Which of the following parameters is not used for cell reselection control in different systems?

Question45: Which of the following radio bearers is used to carry RRC messages and map to CCCH?

Question46: The wireless layer access class information, which is allocated to a specific UE, including UE timers, common channel parameter configuration, will be broadcasted on which kind of the following system messages?

Question47: Which of the following NE (Network Element) does the packet not go through when the users are surfing the Internet with cell phone?

Question48: Which of the following value does the service cell reselection hysteresis be set to that is most likely to cause ping-pong reselection?