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Huawei H35-582 Practice Test - Questions Answers, Page 11

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Which of the following multiple access technologies is newly proposed by 5G? (single-choice question, 2 points)

A.
SCMA
A.
SCMA
Answers
B.
FDMA
B.
FDMA
Answers
C.
TDMA
C.
TDMA
Answers
D.
CDMA
D.
CDMA
Answers
Suggested answer: A

Explanation:

Qanalysis: The new multiple access technology proposed by 5G is SCMA, which is called sparse code division multiple access technology.

In the 5G eMBB scenario, what is the main coding scheme used for the control channel? (singlechoice question, 2 points)

A.
Turbo
A.
Turbo
Answers
B.
Convolutional Codes
B.
Convolutional Codes
Answers
C.
Polar
C.
Polar
Answers
D.
LDPC
D.
LDPC
Answers
Suggested answer: D

Explanation:

Analysis of test questions: LDPC is used for traffic channels, with good performance and low complexity. It supports high-speed services well through parallel computing; Polar codes are used for control channels and have outstanding performance in encoding small packet services.

How many times is the 5G downlink peak rate higher than that of LTE? (single-choice question, 2 points)

A.
10 times
A.
10 times
Answers
B.
50 times
B.
50 times
Answers
C.
100 times
C.
100 times
Answers
D.
500 times
D.
500 times
Answers
Suggested answer: C

FR1 is the main frequency band of 5G. What is the maximum bandwidth of the cell in MHz? (Multiple choice, 2 points)

A.
40
A.
40
Answers
B.
80
B.
80
Answers
C.
100
C.
100
Answers
D.
400
D.
400
Answers
Suggested answer: C

Explanation:

Analysis of the test questions: The maximum bandwidth of the FR1 frequency band cell is 100MHz.

EPC-based NSA networking specifically refers to which base stations among which standards are used for networking? (single-choice question, 2 points)

A.
GSM&NR
A.
GSM&NR
Answers
B.
LTE&NR
B.
LTE&NR
Answers
C.
UMTS&NR
C.
UMTS&NR
Answers
D.
CDMA&NR
D.
CDMA&NR
Answers
Suggested answer: B

Explanation:

Qanalysis: NSA networking is mainly the networking between LTE and NR base stations.

Which of the following networking methods belongs to the NSA networking? (single-choice question, 2 points)

A.
Option7X
A.
Option7X
Answers
B.
Option4
B.
Option4
Answers
C.
Option4a
C.
Option4a
Answers
D.
Option2
D.
Option2
Answers
Suggested answer: A

Explanation:

Qanalysis: Option7X is the NSA networking, Option4/Option4a/Option2 is the SA networking.

What is the minimum bandwidth of a 5G low-frequency band cell? (single-choice question, 2 points)

A.
1.3MHz
A.
1.3MHz
Answers
B.
3MHz
B.
3MHz
Answers
C.
5MHz
C.
5MHz
Answers
D.
10MHz
D.
10MHz
Answers
Suggested answer: C

Explanation:

Qanalysis: The minimum bandwidth of 5G is 5MHz.

Which description is correct about the frequency range of 5G spectrum FR1? (single-choice question, 2 points)

A.
FR1: 450-6000MHz
A.
FR1: 450-6000MHz
Answers
B.
FR1: 45-6000MHz
B.
FR1: 45-6000MHz
Answers
C.
FR1: 24250-52600MHz
C.
FR1: 24250-52600MHz
Answers
D.
FR1: 27250-52600MHz
D.
FR1: 27250-52600MHz
Answers
Suggested answer: A

Explanation:

Millimeter wave, which is what we call the high frequency band, is the extended frequency band of 5G and has abundant spectrum resources.

In the process of uplink and downlink decoupling, what determines whether the uplink uses high frequency or low frequency for signal transmission? (single-choice question, 2 points)

A.
UE
A.
UE
Answers
B.
gNodeB
B.
gNodeB
Answers
C.
AMF
C.
AMF
Answers
D.
UPF
D.
UPF
Answers
Suggested answer: B

Which of the following is somewhat wrong about D2D technology? (single-choice question, 2 points)

A.
Long transmission distance
A.
Long transmission distance
Answers
B.
Small transmission delay
B.
Small transmission delay
Answers
C.
High peak rate
C.
High peak rate
Answers
D.
High spectral efficiency
D.
High spectral efficiency
Answers
Suggested answer: C
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