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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
Carrier aggregation, if differentiated scheduling is used, on the PCell and the SCell, the CA UE is regarded as an independent UE to allocate resources, and the rate of CA UE is higher than that of the non-CA UE.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #2
In high-speed and poor SINR scenarios, which is the best adaptive transmission mode?
A. AOpen loop transmission diversity
B. BClosed loop transmission diversity
C. COpen-loop spatial reuse
D. DClosed-loop spatial reuse
عرض الإجابة
اجابة صحيحة: A
السؤال #3
How many codewords can be transmitted at most for a TT in the LTE system?
A. A1
B. B2
C. C3
D. D4
عرض الإجابة
اجابة صحيحة: B
السؤال #4
Which of the following events can be used to trigger inter - frequency switching? (multiple choice)
A. A2
B. A3
C. A4
D. A5
عرض الإجابة
اجابة صحيحة: BCD
السؤال #5
Which of the following bearers are included in the E-RAB bearer? (Multiple Choice)
A. Wireless bearercorrect
B. S1 bearercorrect
C. EPS bearer
D. End-to-end bearer
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اجابة صحيحة: AB
السؤال #6
Which of the following methods can be used to solve the cross-area coverage problem? (multiple choice)
A. AAppropriately reduce the transmit power of the cross-area cell
B. BAdjust the uplink power control parameter factory of the cross-zone cell
C. CAdjust the downlink scheduling mode of the cross-area cell
D. DAdjust the antenna parameters of the cross-area cell (height, inclination, azimuth, etc
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اجابة صحيحة: AD
السؤال #7
RB is the smallest resource granularity in the LTE system.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #8
To FDD, in which of the following time slots are the primary synchronization signals transmitted?
A. TS0correct
B. TS1
C. TS10correct
D. TS11
عرض الإجابة
اجابة صحيحة: AC
السؤال #9
Both LTE uplink and downlink use SC-FDMA technology.
A. False
B. True
عرض الإجابة
اجابة صحيحة: A
السؤال #10
Which layer of the LTE air interface performs the functions of encryption and integrity protection?
A. APDCP
B. BRLC
C. CMAC
D. DPHY
عرض الإجابة
اجابة صحيحة: A
السؤال #11
Which of the following options can be solved with ICIC technology?
A. Adjacent Channel Interference
B. Co-channel Interferencecorrect
C. Random Interference
D. Heterogeneous System Interference
عرض الإجابة
اجابة صحيحة: B
السؤال #12
PDSCH carries DL-SCH and PCH information.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #13
Among the following random access scenarios, which are the contention-based scenarios? (multiple choice)
A. Uplink out-of-synchronization state requires downlink data transmission
B. RRC reestablishment after the out-of-synchronization of the wireless link
C. Initial access in idle mode
D. Switch to a new cell
E. Upstream out-of-synchronization status requires upstream data transmission
عرض الإجابة
اجابة صحيحة: BCE
السؤال #14
Which of the following is a timer for periodic TAU?
A. T3212
B. T300
C. T3412correct
D. T3413
عرض الإجابة
اجابة صحيحة: C
السؤال #15
Regarding LTE neighbor cell planning, Which of the following description is incorrect?
A. For dense urban areas and ordinary urban areas, since the distance between stations is relatively close to 0
B. Geographically adjacent cells to be neighbors
C. Because there is no sequence problem in the neighboring cells of LTE, and the detection period is very short, it is only necessary to consider not to miss the neighboring cells, but not to sort the neighboring cells strictly according to the signal strength
D. ANR function can completely replace the initial network's neighbor planningcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #16
Which of the following types of mobile phones can support up to 2CC (two carrier aggregation)?
A. Category 4
B. Category 6correct
C. Category 8
D. Category 10
عرض الإجابة
اجابة صحيحة: B
السؤال #17
Which parameter on the road test tool can be observed to judge the single/double stream when testing?
A. PCI
B. Rankcorrect
C. MCS
D. RSRP
عرض الإجابة
اجابة صحيحة: B
السؤال #18
According to the definition of the protocol, the maximum transmit power of the LTE UE is 23dBm.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #19
Which of the following radio bearers can carry NAS messages? (Multiple Choice)
A. SRB3correct
B. SRB2correct
C. SRB0
D. SRB1correct
عرض الإجابة
اجابة صحيحة: ABD
السؤال #20
Regarding LTE paging, which of the following description are correct? (Multiple Choice)
A. The larger the default paging cycle, the more power the phone consumescorrect
B. The larger the number of paging packets Nb, the greater the paging capacitycorrect
C. The greater the default paging cycle, the more power the phone savescorrect
D. The larger the number of paging packets Nb, the smaller the paging capacity
عرض الإجابة
اجابة صحيحة: ABC
السؤال #21
A service cell A to neighboring area B is switched too late. Which of the following parameter modification is correct? (Multiple Choice)
A. Time to Triger changed from 320ms to 640ms
B. Time to Triger changed from 320ms to 120mscorrect
C. Set the CIO (Ocn) value of the B cell to be largercorrect
D. Set the Ocs value of the A cell to be smallercorrect
عرض الإجابة
اجابة صحيحة: BCD

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