DON'T WANT TO MISS A THING?

Certification Exam Passing Tips

Latest exam news and discount info

Curated and up-to-date by our experts

Yes, send me the newsletter

Latest Huawei H31-421 Exam Questions and Answers, 2025 Update | SPOTO

SPOTO's latest exam dumps on the homepage, with a 100% pass rate! SPOTO delivers authentic Cisco CCNA, CCNP study materials, CCIE Lab solutions, PMP, CISA, CISM, AWS, and Palo Alto exam dumps. Our comprehensive study materials are meticulously aligned with the latest exam objectives. With a proven track record, we have enabled thousands of candidates worldwide to pass their IT certifications on their first attempt. Over the past 20+ years, SPOTO has successfully placed numerous IT professionals in Fortune 500 companies.
Take other online exams
Question #1
How many available PRACH leading sequence in an LTE cell?
A. 64
B. 512
C. 256
D. 128
View answer
Correct Answer: A
Question #2
A USB can do open station task to multiple base stations.
A. False
B. True
View answer
Correct Answer: B
Question #3
which of the following statements about MIB are correct
A. Carried on BCCH - BCH - PBCHB Frequency domain 62 subcarriers in the cneter of the system bandwidthcorrect
B. Time domain adjacent to the synchronization channel the sheduling period is 40mscorrect
C. Includes most important and common parameters system bandwidth, system frame number, and PHICH comfiguration information
View answer
Correct Answer: AB
Question #4
Which of the following command is used to activate LICENSE?
A. DLD LICENSEcorrect
B. INS LICENSEcorrect
C. ACT LICENSE
D. ULD LICENSE
View answer
Correct Answer: AB
Question #5
In a sub-frame, how many symbols in the time domain are used as PDCCH channels?
A. 1correct
B. 3correct
C. 5
D. 7
View answer
Correct Answer: AB
Question #6
What are the possible Causes of RRC Connection Setup Failures? "
A. UE does not responsecorrect
B. Failed to allocate
C. Number Of RRC Connection Request Messages Discarded Due to Flow Control
D. Authentication failedcorrect
View answer
Correct Answer: ACD
Question #7
what the purposes of random access
A. Obtains uplink Scheduling Resourcescorrect
B. Obtains downlink synchronizationcorrect
C. Obtains downlink Scheduling Resourcescorrect
D. Obtains uplink synchronizationcorrect
View answer
Correct Answer: ABCD
Question #8
which of the folowing modulation modes are supported by the LTE system
A. GMSKcorrect
B. QPSKcorrect
C. 64QAMcorrect
D. 16QAMcorrect
View answer
Correct Answer: ABCD
Question #9
which of the following information can be carried on the PUSCH
A. PMIcorrect
B. SR
C. CQIcorrect
D. RIcorrect
View answer
Correct Answer: ACD
Question #10
Assumed to have been using the command "ADD DEVIP: SN = 7, SBT = BASE_ BOARD, PT = ETH, PN = 0, IP =" 10.11.1.3 ", MASK =" 255.255.255.0 ";" FE ports 0 on board LMPT is configured an IP address, now FE ports 1 on board LMPT is needed to configure another IP address, which of the following commands can be used?
A. ADD DEVIP ： SN=7 ， SBT=BASE_BOARD ， PT=ETH ， PN=1 ， IP= “ 10
B. ADD DEVIP ： SN=7 ， SBT=BASE_BOARD ， PT=ETH ， PN=1 ， IP= “ 10
C. ADD DEVIP ： SN=7 ， SBT=BASE_BOARD ， PT=ETH ， PN=1 ， IP= “ 10
D. ADD DEVIP ： SN=7 ， SBT=BASE_BOARD ， PT=ETH ， PN=1 ， IP= “ 10
View answer
Correct Answer: AC
Question #11
Uu interface protocol stack RLC layer, ARQ entity is only be configured under AM mode.
A. TRUE
B. FALSE
View answer
Correct Answer: A
Question #12
Which of the following is the default username and password for near-end maintenance eNodeB?
A. admin/admin123correct
B. admin/admin@123
C. admin/hwbs123
D. admin/hwbs@123correct
View answer
Correct Answer: AD
Question #13
The establishment of SRB2 ( ) UE initial context setup procedure.
A. ealier than
B. later than
View answer
Correct Answer: B
Question #14
which of the following may cause RF resource exceptions?
A. The RF board is unavailablecorrect
B. The RF networking and data do not match
C. The versions of the main control board and RF unit do not match
D. The CPRI line rate negotiation fails
View answer
Correct Answer: ABC
Question #15
Uu interface protocol stack RLC layer, ARQ entity is only be configured under AM mode.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #16
In which of the following messages can UE capability information be passed from the MME to the eNodeB?
A. SLAP: E-RAB setupcorrect
B. RRC: RRC connection setup
C. S1AP: Initial context setupcorrect
D. S1AP: S1 setup
View answer
Correct Answer: AC
Question #17
which of the following are the RLC functions
A. Error correctioncorrect
B. Segmentation and re-assemblycorrect
C. Paddingcorrect
D. Maintenance of SNs fo rradio bearerscorrect
View answer
Correct Answer: ABCD
Question #18
when an LTE user uploads a file, which of the following channels must be used
A. PSSCHcorrect
B. PDCCHcorrect
C. PRACH
D. PUSCH"correct
View answer
Correct Answer: ABD
Question #19
in NB-ioT which of the following are the unit of resource sheduling in the uplink and downlink
A. REGcorrect
B. RBcorrect
C. RU
D. Subframecorrect
View answer
Correct Answer: ABD
Question #20
Which of the following board does belong to the BBU transmission system? (Multiple choice)
A. LBBPcorrect
B. LMPT/UMPTcorrect
C. UTRPcorrect
D. UPEU/UEIU
View answer
Correct Answer: ABC

View Answers after Submission

Please submit your email and WhatsApp to get the answers of questions.

Note: Please make sure your email ID and Whatsapp are valid so that you can get the correct exam results.

Email:
Whatsapp/phone number:


Copyright © 2024. Designer by SPOTO Official Website. All Rights Reserved.