H31-421 by Huawei Valid Free Exam Practice Test

Question 1

Which of the following parameters need to be negotiated with the core network MME configuration (multiple choice)

A. Preamble code B. mobile network code C. Mobile country code D. Tracking area code

Correct Answer: B,C,D

Question 2

eNodeB alarms and events have "recovery" and "active" two states.

A. False B. True

Correct Answer: A

Question 3

Duplex technology can be used to distinguish between different users.

A. False B. True

Correct Answer: A

Question 4

The advantages of Multi-antenna technology include? (Multiple choice)

A. Directional signal B. Array gain C. Spatial multiplexing gain D. Anti-multipath fading gain E. Diversity gain

Correct Answer: B,C,D,E

Question 5

Which of the following is the function of LBBP single board?

A. Achieve the sharing capability of across BBU baseband resource B. Provide the CPRI interface of the radio frequency module C. Achieve the signal interaction between eNodeB and MME/S-GW D. Deal with the uplink and downlink baseband signal

Correct Answer: A,B,D

Question 6

How many code words can TTI maximum mass/pass in LTE system?

A. 3 B. 4 C. 2 D. 1

Correct Answer: C

Question 7

Relative to the OFDMA, Which of the following features does SC_FDMA have? (Multiple choice)

A. Support link adaptation and multi-user scheduling of frequency dimension B. User multiplexing can be conveniently implemented by processes such as DFT transformation and orthogonal subcarrier mapping C. SC_FDMA has a higher PAPR, ease of design of the UE amplifier D. Relatively conventional single-carrier frequency reuse, users can achieve complete orthogonal frequency reuse, while ensuring spectral efficiency

Correct Answer: A,B,D

Question 8

In summary collection form, which of the following NE's address is the value of parameters "S1Sig LogicIP"?

A. SGW B. U2000 C. neighboring eNodeB D. MME

Correct Answer: D

Question 9

CME provide current and planned area, the current data area for planning and data configuration.

A. FALSE B. TRUE

Correct Answer: A

Question 10

The UE acquires the synchronization information by using the synchronization signal, which one of the following bears the synchronization signal?

A. local community logo B. Physical Cell Identity C. cell logo

Correct Answer: B

Question 11

About the MIB description, which of the following is correct? (Multiple choice)

A. Including a limited number of the most important and most commonly used transmission parameters (system bandwidth, system frame number, PHICH configuration information) for reading other cell information B. Frequency Domain: 62 subcarriers located in the center of the system bandwidth C. Bearer on BCCH -> BCH -> PBCH D. Time Domain: Adjacent to the synchronization channel, the scheduling period is 40ms

Correct Answer: A,B,C

Question 12

Which of the following types of FANs can be installed on the BBU3910? (Multiple choice)

A. FANc B. FAN C. FANe D. FANd

Correct Answer: C,D

Question 13

Which of the following is established during the process of RRC setup?

A. DRB B. SRB1 C. SRB2 D. SRB0

Correct Answer: B

Question 14

If eNodeB uses the 1588V2 clock, in the command "SET CLKMODE", the parameter of "Clock Work Mode" is set to "manual", so the parameter of "the set reference clock source" should be set as which of the following selection?

A. TOD B. GPS C. BITS D. IPCLK

Correct Answer: D

Question 15

Which of the following boards can be blocked? (Multiple choice)

A. RRU B. LMPT C. RFU D. LBBP

Correct Answer: A,C,D

Huawei HCIP-LTE V1.0 - H31-421 Exam Practice Test