EMT Practice Test

1. Question Content...

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Question1: In the NSA Networking Option3x series scenario, gNodeB must configure an X2 interface.

Question2: After the new NSA network is turned on, which of the following phenomena can be observed?

Question3: Which command does gNodeB use to complete the configuration of S1 interface information?

Question4: On the NSA network, what objects are unnecessary in the self-built scenario of the S1-U interface of the gNodeB? (Multiple Choice)

Question5: Which module is used in the base station power system to monitor the power environment?

Question6: What is the application type used by the node remote maintenance channel detection?

Question7: The transmission data in the initial data configuration of the gNodeB has a strong coupling relationship with the wireless data.

Question8: Execute "route add 10.10.10.0 mask 255.255.255.0 192.168.5.1 -p" in the cmd window of the test computer, which one describes the error below?

Question9: Which of the following boards cannot be reset by command?

Question10: There is no scene of clock interlock between the NR and GL base stations.

Question11: gNodeB The order in which hardware devices are added is "cabinet->chassis-> single board->RF unit".

Question12: Which of the following AAUs is suitable for the 2.6Ghz scenario?

Question13: Which of the following factors affects the peak CPE downlink rate in NSA networking?

Question14: Which of the following boards supports software reset?

Question15: Which channel is 5G used for downlink data demodulation and time-frequency synchronization?

Question16: Which of the following are new RNTI types in NR? (Multiple choice)

Question17: What is the maximum number of UBBP boards can the BBU5900 accommodate?

Question18: The calculation formula of the absolute frequency of gNodeB cell is similar to that of LTE, and the value of ΔF is also the same.

Question19: Which of the following description about AAU5613 is wrong?

Question20: What is the maximum MIMO supported by the 5G Indoor CPE design?

Question21: Which of the following bands does the candidate SUL spectrum for C-band uplink and downlink decoupling not include?

Question22: When debugging the NR base station through the near end of the USB flash drive, which of the following conditions will cause the RU indicator of the main control board to be in the "load failed" state?

Question23: What are the networking methods between the BBU and the RF unit? (Multiple Choice)

Question24: AAU/RRU and BBU fronthaul fiber is less than 100 meters, mostly used in CRAN centralized site solutions.

Question25: When the CU/DU is combined, the CU logical node and the DU logical node will be added to the same BBU5900.

Question26: The transmitted data in the initial data configuration of gNodeB has a strong coupling relationship with the wireless data.

Question27: In the NSA networking option3 series scenario, gNodeB must configure an X2 interface.

Question28: Which of the following are gNodeB mandatory modules? (Multiple choice)

Question29: Which of the following description about the CRAN pre-transmission fiber straight-through solution is correct? (Multiple choice)

Question30: Which of the following high-frequency communication uplink and downlink coverage imbalance solutions is correct?

Question31: The fan modules of the BBU3910 and BBU5900 are compatible.

Question32: Which of the following half-width 5G baseband boards are supported by the BBU5900 in the V100R015 version?

Question33: 5G RAN side service slice management, which of the following facilities is implemented?

Question34: Which of the following requirements does the 5G eMBB scene target rate include? (Multiple Choice)

Question35: The uplink and downlink subframe ratio of 5G RAN2.0 gNodeB cell supports SA5.

Question36: When NSA selects and interprets the 2.6Ghz band networking, the uplink and downlink decoupling scheme can not be used.

Question37: Regarding the description of NSA networking, which of the following is wrong?

Question38: What is the length of the TTI scheduled in the 5G NR?

Question39: Regarding BWP, what is the following description correct?

Question40: What is the broadcast period of MIB messages in NR?

Question41: The NSA networking needs to modify the original EPS. What other upgrades are needed in addition to the new NR base station? (Multiple Choice)

Question42: The gNodeB alarm level includes emergency alarms, important alarms, secondary alarms, and prompt alarms. The alarm level cannot be changed.

Question43: gNodeB binds the carrier ID when adding tracking area information.

Question44: To delete the original default data before configuring gNodeB, you need to complete the initialization of the base station configuration.

Question45: When the NodeB adds the NRCELL cell information, it binds the DU unit identifier.

Question46: In order to verify the successful establishment of NSA services, which of the following items need to be checked?

Question47: In an NSA networking scenario, the gNodeB does not need to be configured with an X2 interface.

Question48: Before deleting the original default data before configuring the gNodeB, you need to complete the initialization of the base station configuration first.

Question49: NR is divided into competitive and non-competitive random access, what is the main purpose of UE triggering random access?

Question50: The NR neighboring cell measurement event of the UE adopts B1, and the corresponding RSRP threshold value 35, which is the true level value?

Question51: In the 5G RAN2.0 version, what is the maximum number of 100MHz 64*64 cells supported by a single BBU900?

Question52: VSWR testing on U2000 will cause business interruption and prohibit operation when business is busy.

Question53: In the process of automatically obtaining an IP address through DHCP, what message information is involved in gNodeB?

Question54: Which of the following does not belong to the BBU board?

Question55: Which is the correct description of the NR time domain resource?

Question56: Which functional modules of the BTS5900A base station are optional? (Multiple Choice)

Question57: NSA networking needs to modify the original EPS, in addition to adding NR base stations, what upgrades need to be made?

Question58: In the NSA networking scenario, gNodeB does not need to configure the X2 interface.

Question59: Which of the following is not a BBU veneer?

Question60: When logging in to the CPE Web Management page, the LTE indicator icon in the upper right is blue and the NR indicator icon is gray, indicating that the NR base station is currently faulty and needs to be dealt with.

Question61: gNodeB's baseband device BascbandEQM is an optional addition.

Question62: What are the RRUs that support the FDD 1800M uplink and downlink decoupling? (Multiple choice)

Question63: Which application scenario of 5G is not described in 3GPP Release 15?

Question64: Which of the following two cells has a relatively large PBCH interference?

Question65: What is the vision of IMT-2020 for the peak rate of 5G networks?

Question66: Only 60 kHz subcarrier bandwidth supports extended CP configuration.

Question67: On the NSA network, which of the following commands can be used to check whether the S1-U interface is normal?

Question68: The bandwidth of PRACH in NR is fixed.

Question69: In the C-band scenario defined by R15, which of the following is the maximum wave speed of SSB in NR

Question70: When gNodeB enables the MassiveMIMO function, select "Beam" in the "antenna configuration method" in the sector device parameters.

Question71: Under NSA networking, the X2 interface of gNB can be self-established based on S1 and U2000.

Question72: What is the MML command used by gNodeB to add CI port configuration?

Question73: Which of the following high-frequency communication uplink and downlink coverage imbalance solutions are correct? (Multiple Choice)

Question74: When gNodeB planning has multiple IP addresses and different next-hop addresses, which of the following routing configurations is more suitable?

Question75: In the NSA network test using Probe, it was found that the MAC layer rate of LTE upstream is 20Mbps, but the PDCP layer rate is 0

Question76: The transmission DSCP value indicates the priority of the differential service code. The larger the value, the higher the priority.

Question77: In the NSA networking option3x scenario, which MOs in the S1 interface self-creation configuration of gNodeB are not needed and must be configured?

Question78: Which of the following protocols/data are attributed to Level 3? (Multiple choice)

Question79: 3GPP Release Version 15 does not describe which 5G application scenario?

Question80: Only the 60kHz subcarrier bandwidth supports the configuration of extended CPs.

Question81: Which of the passive WDM schemes for CRAN fronthaul is correctly described?

Question82: What is the correct description of the fiber straight-pull scheme for CRAN fronthaul?

Question83: The calculation formula of the absolute frequency point of the gNodeB cell is similar to that of LTE, and the value of F is also the same.

Question84: What is the maximum rate of the Ethernet port supported by gNodeB master board?

Question85: Under the EN-DC architecture, the eNodeB/gNodeB only supports the configuration of the X2 finger based on the EndPoint method.

Question86: Which entity is the RLC layer used for detection and error correction?

Question87: gNodeB sector is deployed using AAU5613, what is the maximum transmission power configuration of a single cell?

Question88: The maximum transmit power of NRDUCELTRP in the gNode configuration is BBU RF power.

Question89: What is the maximum number of UBBP boards can the BBU5900 accommodate?

Question90: Performing a VSWR test on the U2000 causes service interruption and prohibits operations when the service is busy.

Question91: Compared with 4G, 5G redefines the core network NGC, which network elements are mainly included? (Multiple Choice)

Question92: Regarding DWP, what are the correct descriptions of the following? (Multiple Choice)

Question93: Before the gNode configuration is adjusted, in order to avoid alarm reporting and display in the network management foreground, the project status cannot be set to which of the following states?

Question94: Regarding the NR slot structure, what are the correct terms described below?

Question95: Which MML command is used to bind the physical sector of gNodeB to the RF AAU?

Question96: QoS of gNB implements hierarchical congestion management of services by mapping DSCP values.

Question97: What are the negotiation parameters that the NodeB needs to obtain when adding a remote maintenance channel? (Multiple choice)

Question98: In the GL to GL+NR (BBU39XO+BBU5900) evolution path, which of the following devices does not need to be added?

Question99: When gNodeB adds NRCELL cell information, it binds the DU unit identifier.

Question100: 5G RAN 2.0 version gNodeB logical cells and sector devices use the command ANDD NRDUCELLTRP to complete the binding.

Question101: Which of the following parameters is related to the frequency domain position of the PBCH DMRS?

Question102: When a CPE device is upgraded in the near end, the firmware upgrade of the primary and standby areas can be completed at the same time as the "Update" upgrade operation.

Question103: DCDU-12B is a DC power distribution unit. How much DC power input is provided for each component in the cabinet?

Question104: What are the configuration modules that differ between the gNodeB data configuration and the LTE data configuration MML command?