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NEW QUESTION 43
The PLMN is composed of MCC and MNC.
- A. True
- B. False
Answer: A
NEW QUESTION 44
On the U2000, only one manually configured base station configuration file can be saved for each eNodeB.
- A. True
- B. False
Answer: A
NEW QUESTION 45
To the power control protocol of the downlink physical channel PDSCH, LTE system does not do the compulsive requirement, so the channel can not to do the power control.
- A. True
- B. False
Answer: A
NEW QUESTION 46
In the APM30H and TMC11H (Power Cabinet), the SLPU is optional as a relay signal protection unit. It is installed in the 1U space at the top of the cabinet and is equipped with UELP/UFLP.
- A. False
- B. True
Answer: A
NEW QUESTION 47
Which of the following statements is wrong?
- A. BCCH can be mapped to BCH
- B. BCH BCCH can be mapped to DL-SCH
- C. CCCH map to DL-SCH
- D. DTCH map to MCH
Answer: D
NEW QUESTION 48
One of the reasons why LTE uplink uses SCFDMA instead of OFDM is that it needs to be demodulated in the time domain.
- A. False
- B. True
Answer: A
NEW QUESTION 49
Which interface's transmitted power of the following is EIRP?
- A. Antenna port
- B. Feeder port
- C. Frame top port
- D. RRU port
Answer: A
NEW QUESTION 50
Which of the following is the SERVER of the DHCP function of the network management server in the newly opened LTE site?
- A. MME
- B. OMC server
- C. Dedicated DHCP server
- D. CE
Answer: B
NEW QUESTION 51
Which of the following is the preamble code for each cell in LTE?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 52
If you want to install a cabinet that needs to be prepared for electricity and works at high temperatures, which of the following equipment will you use?
- A. BTS3900 cabinet
- B. IBBS200D
- C. RFC
- D. APM30H
- E. IBBS200T
- F. TMC11H
Answer: E
NEW QUESTION 53
Which of the following is the number of symbols included in each slot under the extended CP configuration?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 54
Which layer is HARQ deployed in?
- A. PDCP
- B. RLC
- C. MAC
- D. Physics
Answer: C
NEW QUESTION 55
The UE may periodically send the SRS within a specified bandwidth, and the SRS may be a broadband mode or a frequency hopping mode.
- A. True
- B. False
Answer: A
NEW QUESTION 56
In the LTE network, X2 interface is a mandatory interface.
- A. False
- B. True
Answer: A
NEW QUESTION 57
When treating fault, if we can guarantee the fault can be solved, do not need to back up data.
- A. False
- B. True
Answer: A
NEW QUESTION 58
In the SAE system, which of the following network element is the accounting policy control entity?
- A. MME
- B. PCRF
- C. SGW
- D. PDN GATEWAY
Answer: B
NEW QUESTION 59
The purpose of random access includes acquiring uplink synchronization and acquiring uplink scheduling resources.
- A. True
- B. False
Answer: A
NEW QUESTION 60
DCDU-12B provides 10-channel-48V DC power output, the same fuse configuration, which can meet the power distribution requirements of indoor and outdoor macro stations, small base stations and distributed base stations.
- A. True
- B. False
Answer: A
NEW QUESTION 61
Implementation of MIMO technology needs to avoid inter-antenna interference (IAI).
- A. True
- B. False
Answer: A
NEW QUESTION 62
In the following types of handover, which of the following need the core network to participate? (Multiple Choice)
- A. X2 port switch among eNodeB
- B. S1 port switch among eNodeB
- C. Cross-MME handover
- D. eNodeB handover within the station
Answer: A,B,C
NEW QUESTION 63
Which of the following logical channels can be mapped to DL-SCH? (Multiple choice)
- A. DCCH
- B. CCCH
- C. DTCH
- D. PCCH
Answer: A,B,C
NEW QUESTION 64
The MIMO mode is divided into diversity and multiplexing, where diversity is mainly to improve cell coverage, and multiplexing is mainly to improve cell capacity.
- A. True
- B. False
Answer: A
NEW QUESTION 65
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