Huawei HCIA-LTE(Huawei Certified ICT Associate-LTE) - H31-411-ENU무료 덤프문제 풀어보기
For E4-UTRAN internal handover type, if the MME is changed, may be switched by interface based on X2, it may also use port based on S1 to switch.
정답: B
Which of the following statement is true? (Multiple Choice)
정답: A,D
The PDCP protocol entity implements IP header compression function on the user side.
정답: A
Which of the following frequency band is supported by RRU3168?
정답: A
The Attach process is the ESM process at the NAS layer.
정답: B
In the following types of handover, which of the following need the core network to participate? (Multiple Choice)
정답: B,C,D
Which layer is HARQ deployed in?
정답: D
What are the shortcomings of OFDM? (Multiple Choice)
정답: A,B,C
SFBC is a transmit diversity technique that mainly obtains transmit diversity gain for areas with low SINR, such as cell edges. Compared to STBC, SFBC is a space-frequency two-dimensional transmit diversity, while STBC is a space-time two-dimensional transmit diversity.
정답: A
Which of the following cases may a mobile phone user be assigned a new GUTI? (Multiple choice)
정답: B,C,D
Which of the MIMO system gains listed below are obtained using the relative independence of spatial channel fading? (Multiple choice)
정답: B,C
How many subcarriers does the PBCH channel occupy in the frequency domain?
정답: A
Which of the following parameters is an important indicator of downlink coverage? (Multiple choice)
정답: A,B,C