H31-421-ENU Exam Training Practice Tests (Huawei HCIP-LTE (Huawei Certified ICT Professional-LTE))]

Question 1

In the band division of LTE, which spectrum resource is BAND39?

A. 2300~2400MHz B. 1880~1920MHz C. 2520~2570MHz D. 1880~1900MHz

Correct Answer: B

Question 2

From the interactive capabilities of slots 0-5 in the BBU, BBU3900 only has slots 2&3 that interact with other slots, while BBU3910 implements full interworking

A. True B. False

Correct Answer: A

Question 3

CQI ( Channel Quality Indicator ) is the only factor affecting the scheduling results.

A. True B. False

Correct Answer: B

Question 4

Which route types can be configured when using the ADD ADDRT command to configure a route? (Multiple choice)

A. Default default route B. Direct routing C. Host routing D. Segment routing

Correct Answer: A,C,D

Question 5

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

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

Correct Answer: A,B,D

Question 6

Which of the following is a function of UPEU board?

A. provide the system clock B. -48V DC or + 24V DC input power is converted to support the +12V working power supply C. Environmental monitoring (including temperature and humidity, flooding, smoke) D. provide 2 route RS485 signal interface and 8-way switch signal interface, switch input only supports dry contact and OC (Open Collector) input

Correct Answer: B,D

Question 7

Which of the following layer provides contention resolution of random access?

A. MAC layer B. Physical Layer C. RRC layer D. RLC layer

Correct Answer: A

Question 8

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

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

Correct Answer: A,C,D

Question 9

Which of the following are the functions of the Uu interface MAC layer? (Multiple choice)

A. Map logical channels to transport channels B. Scheduling C. Random access control D. Encryption and integrity protection E. HARQ

Correct Answer: A,B,C,E

Question 10

ACK/NACK feedback for uplink HARQ process, which of the following channels can be carried?

A. PRACH B. PUCCH C. PHICH D. PUSCH

Correct Answer: B,D

Huawei HCIP-LTE (Huawei Certified ICT Professional-LTE) - H31-421-ENU Exam Practice Test