لا تريد أن تفوت شيئا؟

نصائح اجتياز امتحان الشهادة

آخر أخبار الامتحانات ومعلومات الخصم

برعاية وحديثة من قبل خبرائنا

نعم، أرسل لي النشرة الإخبارية

خذ اختبارات أخرى عبر الإنترنت
السؤال #1
Which of the following description of the PCRF QoS controls is wrong?
A. QoS parameters are issued by PCRF
B. Can achieve session-level QoS control
C. Can achieve service-level QoS control
D. QoS does not include bandwidth controlcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #2
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.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #3
Single-user call test can choose short FTP or long FTP.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #4
Which of the following defines the maximum sum of all non-GBR bearers between the UE and a PDN?
A. AMBRcorrect
B. MBR
C. ARP
D. GBR
عرض الإجابة
اجابة صحيحة: A
السؤال #5
TDD and FDD are different duplex technologies, which use time slots and frequencies to distinguish between uplink and downlink.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #6
Which of the following radio bearers can carry MAS messages? (Multiple Choice)
A. SRB0
B. SRB3
C. SRB1correct
D. SRB2correct
عرض الإجابة
اجابة صحيحة: CD
السؤال #7
Regarding the description of RRC establishment success rate, which of the following options is wrong?
A. Reflecting the UE's admission capability of the eNB or the cell
B. The successful establishment of the RRC connection means that the UE establishes a signaling connection with the network
C. RRC connection establishment can be divided into two cases: one is the RRC connection establishment related to the service; the other is the RRC connection establishment irrelevant to the service (such as emergency call, inter-system cell reselection, registration, etc
D. Service-Independent RRC connection establishment is an important indicator to measure the call completion rate
عرض الإجابة
اجابة صحيحة: D
السؤال #8
Which of the following can be considered as good for testing the wireless environment in an LTE system?
A. RSRP=-90dBm, SINR=11dB
B. RSRP=-95dBm, SINR=17dBcorrect
C. RSRP=-85dBm, SINR=3dB
D. RSRP=-75dBm, SINR=25dB
عرض الإجابة
اجابة صحيحة: B
السؤال #9
Which of the following information will be issued through "RC Connection Reconfiguration”? (Multiple Choice)
A. Switch commandcorrect
B. Default bearer DRB establishment informationcorrect
C. SRB1 establishment
D. Measurement configuration informationcorrect
عرض الإجابة
اجابة صحيحة: ABD
السؤال #10
Regarding the format of the LTE randomly accessing preamble, which of the following are correct? (Multiple Choice)
A. Format 0 - 3 can be user FDD cell, or user TDm cellcorrect
B. Format 0 - 3 can only be used for FDD cells
C. Format 4 can be used for TD cells and can also be used for FDD cells
D. Format 4 can only be used for TD cellscorrect
عرض الإجابة
اجابة صحيحة: AD
السؤال #11
Which of the following are the QoS parameters in the EPC? (Multiple Choice)
A. CQIcorrect
B. ARPcorrect
C. MBRcorrect
D. GBRcorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #12
In the LTE system, which of the following criteria is the cell selection?
A. Srxlev > 0
B. Squal > 0
C. Srxlev > 0, and Squal > 0correct
D. Srxlev > 0 Or Squal > 0
عرض الإجابة
اجابة صحيحة: C
السؤال #13
Which of the following handovers will definitely not go to the same frequency cell? (Multiple Choice)
A. Poor uplink quality switchingcorrect
B. Frequency priority switchingcorrect
C. MLB based on load switchingcorrect
D. Override switching
عرض الإجابة
اجابة صحيحة: ABC
السؤال #14
How many types of TDD uplink and downlink subframe configurations are there?
A. 3
B. 5
C. 7
D. 9
عرض الإجابة
اجابة صحيحة: C
السؤال #15
Which of the following factors will affect the coverage distance of LTE downlink? (Multiple Choice)
A. RRU powercorrect
B. The base station uses 4 sets of receiving antennascorrect
C. Cell bandwidth
D. Using distributed base stations, RU is placed close to the antenna to reduce feeder and jumper losses
عرض الإجابة
اجابة صحيحة: ABD
السؤال #16
Which of the following options is correct about MIMO? (Multiple Choice)
A. Spatial multiplexing can increase cell throughput and peak ratecorrect
B. Spatial multiplexing is in the central area of the cellcorrect
C. Downstream use the virtual MIMO
D. Spatial diversity can increase coverage and throughputcorrect
عرض الإجابة
اجابة صحيحة: ABD
السؤال #17
The SFBC is a transmit diversity technique, which obtains the transmit diversity gain primarily for the area with a lower SINR, such as a cell edge. Compared with STBC, SFBC is an empty frequency two-dimensional transmit diversity, while STBC is a space-time two-dimensional transmit diversity.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #18
Which of the following transmission modes does the RLC layer support? (Multiple Choice)
A. CMcorrect
B. AMcorrect
C. TMcorrect
D. UMcorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #19
Which of the following are the functions of the X1AP protocol? (Multiple Choice)
A. Mobility managementcorrect
B. Load managementcorrect
C. eNodeB configuration updatecorrect
D. Paging
عرض الإجابة
اجابة صحيحة: ABC
السؤال #20
How many subcarriers does PSS (Primary Synchronization Signal) occupy in the frequency domain?
A. A6
B. B10
C. C72
D. D108
عرض الإجابة
اجابة صحيحة: C
السؤال #21
Which parameters may be carried in the air interface paging message?
A. Pagingattemptcount
B. cn-Domain
C. TACcorrect
D. ueidentityindexvalue
عرض الإجابة
اجابة صحيحة: C
السؤال #22
Which of the following are key indicators concerned by LTE network planning? (Multiple Choice)
A. RSRPcorrect
B. CRS SINRcorrect
C. Throughput Ratecorrect
D. Cell Loadcorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #23
Which LTE TDD special subframe description is wrong?
A. ASpecial subframes are used for uplink and downlink synchronization and uplink and downlink isolation
B. BGuard interval (GP) is required for uplink subframe to downlink subframe and downlink subframe to uplink subframe
C. CThe length of the special subframe is also 1ms c
D. DSpecial subframes include DwPTS, GP and UpPTS
عرض الإجابة
اجابة صحيحة: B
السؤال #24
Which of the following value does the service cell reselection hysteresis be set to that is most likely to cause ping-pong reselection?
A. 4dB
B. 2dB
C. 1dBcorrect
D. 3dB
عرض الإجابة
اجابة صحيحة: C
السؤال #25
Which of the following SON features can optimize the switching parameters based on the abnormal switching statistics result to improve network performance?
A. ANR
B. MROcorrect
C. MLB
D. TTI bundling
عرض الإجابة
اجابة صحيحة: B
السؤال #26
The PDSCH carries DL-SC and PCH information.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #27
Which of the following factors will affect the coverage distance of LTE downlink? (Multiple Choice)
A. RRU powercorrect
B. Using distributed base stations, RRUs are placed close to the antenna to reduce feeder and jumper lossescorrect
C. Cell bandwidth
D. Base station uses 4 diversity receiving antennacorrect
عرض الإجابة
اجابة صحيحة: ABD
السؤال #28
In the LTE system, which is the advantage of applying 64QAM compared to 16QAM?
A. Improved spectrum utilizationcorrect
B. Improved anti-noise, anti-fading ability
C. Reduce the system error rate
D. Simpler implementation
عرض الإجابة
اجابة صحيحة: A
السؤال #29
Which cell may be carried in the RRC CONNECTION REQUEST message?
A. S-TMSI (TC-RNTI)correct
B. Preamble
C. SRB1 parameters
D. AMBR
عرض الإجابة
اجابة صحيحة: A
السؤال #30
When performing parameter verification, which command in LMT of eNodeB can be use to inquire the data configured by LTE? (Get the file with this command to know the related parameters configured in the eNodeB in real time.)
A. ULD CFGFILEcorrect
B. LST MEASRSTFILE
C. DLD GENFILE
D. RMV CFGFILE
عرض الإجابة
اجابة صحيحة: A

عرض الإجابات بعد التقديم

يرجى إرسال البريد الإلكتروني الخاص بك والواتس اب للحصول على إجابات الأسئلة.

ملحوظة: يرجى التأكد من صلاحية معرف البريد الإلكتروني وWhatsApp حتى تتمكن من الحصول على نتائج الاختبار الصحيحة.

بريد إلكتروني:
رقم الواتس اب/الهاتف:


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