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Compared to BBU5900 and 3910, which slot has not changed the actual position of the slot number?
What are the networking methods between the BBU and the RF unit? (Multiple Choice)
When using CPE to perform single-station verification tests on NR networks, it is recommended to bring a portable one
There is no clock interlock scenario between the base stations of NR and GL standards.
The X2 interface between LTE and NR can be established by configuring the data separately on the LTE side or the NR side
Regarding DWP, what are the correct descriptions of the following? (Multiple Choice)
When NSA selects and interprets the 2.6Ghz band networking, the uplink and downlink decoupling scheme can not be used.
In the NSA Networking Option 3 series scenario, gNodeB needs to configure the S1-C interface.
Considering compatibility, the BBU5900 chassis supports all BBP series single boards for LTE.
The VLNA group mode of gNodeB can tag different traffic with VLAN tags based on service type.
When verifying the uplink 5G Only offload effect of the NSA network, under normal circumstances, only the NR side has uplink traffic, and the rate is stable, while the LTE side tracks no rate
The transmitted DSCP value indicates the differential service code priority, the larger the value, the higher the priority.
Under NSA networking, the X2 interface of gNB can be self-established based on S1 and U2000.
Which of the passive WDM schemes for CRAN fronthaul is correctly described?
100Mhz, 64T64 cell recommended to configure how much eCPRI connection bandwidth?
Regarding the description of NSA networking, which of the following is wrong?
gNodeB requires two IP addresses to the same destination with the same destination mask and the same route priority cannot be the same.
Which of the following models of fan boards can be adapted to the BBU5900?
In the NSA networking scenario, gNodeB does not need to configure the X2 interface.
Under NSA networking, which of the following commands can be used to check whether the S1-U interface is normal?
Which of the following parameters is related to the frequency domain position of the PBCH DMRS?
When gNodeB planning has multiple IP addresses and different next-hop addresses, which of the following routing configurations is more suitable?
In the scenario of NSA networking, gNodeB's S1-U interface is self-built, which objects are unnecessary?
Which of the following factors affects the peak CPE downlink rate in NSA networking?
How many DEVIPs are supported for 5G RAN2.0 main control single-board Ethernet interface configuration?
In the inter-station DC scheme, the X2 interface can be used to achieve transmission intercommunication between LTE and NR sites, but how long does the transmission delay take?
DCDU-12B is a DC power distribution unit, how much DC power input does it provide to the components in the cabinet?
5G RAN side service slice management, which of the following facilities is implemented?
The DCDU-12B provides DC input to various components within the cabinet. When the number of configured RFUs exceeds the number, two DCDU-12Bs need to be configured.
When using multimode fiber to connect BBU and AAU, the distance should not exceed how many meters?
In the 5G network test, what is the test distance between the CPE and the gNB on the terminal side?
When gNode configures the S1 interface user plane link, you also need to obtain the port numbers of the local end and the peer end.
Which of the following half-width 5G baseband boards are supported by the BBU5900 in the V100R015 version?
UMPT single board completes signaling processing, operation and maintenance, transmission clock extraction, channel coding and other functions.
Log in to the CPE Pro management page, and directly use the "Delete" function to delete the currently activated APN on the "APN Management" management interface
In the Sub 3G band, the maximum number of wave speeds for SSBs in NR is 16.
The same frequency neighbor in the gNodeB station only needs to execute the MML command ADD RCELLRELATIOG to add.
What configuration modules does gNodeB wireless data configuration include?
In the NSA networking option3x scenario, which MOs in the S1 interface self-creation configuration of gNodeB are not needed and must be configured?
Which of the following MML commands are required to add neighbor information across gNodeB?
The maximum transmit power of NRDUCELTRP in the gNode configuration is BBU RF power.
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?
IP QoS refers to a capability of the network, that is, on the IP network that spans multiple underlying network technologies, to provide the services required by specific services, in what aspects does it obtain a predictable level?
Which of the following is the default near-end maintenance address for gNB UMP boards?
The number of empty openings required for the power modules of the BBU5900 is the same as that of the BBU3900.
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.
In the 5G RAN version 2.1, what is the maximum number of 100MHz 64*64 NR cells supported by a single BBU5900?
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.
TESTED 14 Sep 2025