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Home > Learning > C2 - HCIA 5G
Learned 98%Catalog 
Introduction of HCIA-5G
1. 5G Motivation and
Industry Progress
2. 5G Network
Architecture and Key…
3. 5G Use Case
4. Typical Industry
Application Solutions of…
Training Materials
Final Exam
Final Exam
Final Exam 
Satisfaction Survey
Final Exam  
True or False
30/30 points (graded)
1. To enhance the spectrum efficiency, massive MIMO technology is introduced in 5G network, w
number of antennas may reach 64T64R.
2. C-band is the main frequency band of 5G. Currently, a maximum of 100 MHz bandwidth can b
and downlink imbalance can be resolved by the uplink and downlink decoupling feature.
3.The 5G network features high rate, low latency, and massive connections, and can better suppo
applications.
4. Based on the massive MIMO beam forming capability, 5G base stations can better support low
5. The SA mode of 5G network favors aggressive operators on fast deployment of 5G services ba
network.
6. For intelligent grid service, power transmission and power generation will be the main applicat
Bookmark this page
True 
False
True 
False
True 
False
True 
False
True
False 
Final Exam > Final Exam > Final Exam
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7. The IEEE is responsible for 5G standardization, and formulates and releases 5G mobile commu
specifications and reports.
8. Because of the high frequency band of millimeter wave, the penetration loss of it is very small
9. mMTC can be supported by both NSA and SA mode.
10. In IoV scenarios, the DSRC technology provides better coverage than C-V2X.

Show Answer
You have used 3 of 3 attempts
Correct (30/30 points)
Multiple Choices
30/40 points (graded)
11. Which of the following are CloudRAN benefits?
True
False 
True
False 
True
False 
True
False 
True
False 
Submit

Unified architecture, achieving multi-dimensional convergence of multiple RATs, frequency 
layer networks, and ultra-dense networks.
On-demand deployment, intelligent slicing, and adaptation to diverse services, such as larg
short latency, and massive connections.
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
12. In the future, the 5G-V2X technology can be used to enable high-level autonomous driving ap
of the following are included?

13. Based on the C-V2X technology, multi-party collaboration among transportation participants 
implemented to facilitate intelligent transportation. The C-V2X includes:

14. Compared with 4G networks, which ones of the following services can be better supported by
support higher rates?

15. For 5G network, what are the benefits of using a globally unified standard?

Open platform and intelligent O&M, promoting agile service rollout.
Resource pooling, improving resource utilization and elastic network capacity expansion.
Vehicle platooning
Advanced driving
Sensor information sharing
Remote driving
V2V
V2P
V2N
V2I
4K and 8K HD video
VR
AR
Holographic image service
Supporting global roaming
Economies of scale
Reducing industry chain risks
Increasing complexity of mobile phones
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16. With the rapid development of mobile services and the emergence of new services, what are 
faced by mobile communications networks?

17. Which ones of the following statements about millimeter waves are incorrect?
18. Which ones of the below 5G core network functions belong to control plane?
You have used 3 of 3 attempts
Single Choice
22/30 points (graded)
19. Which of the following statements about the 5G protocol standardization process is correct?
Rapid growth of mobile data volume
The number of network connections keeps increasing
Diversified service scenarios
Rapid development of video call service
The lower the frequency band is, the better the coverage is.
Newly introduced in NR which has the maximum cell bandwidth.
The available frequency resouce is limited, most of which was occupied by current systems
Coverage capability is poor and requirements on RF components are high.
AMF
UPF
SMF
PCF

Show Answer
Submit
The 5G protocol is divided into two phases: Phase 1 and Phase 2, which correspond to two 
versions: R15 and R16. 
3GPP Release 16 focuses on the standardization of eMBB service scenarios.
3GPP Release 15 focuses on the standardization of mMTC service scenarios.
Based on the current protocol progress, 5G will be put into commercial use globally in 2025
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20. Which one of the following scenarios are the first batch of 5G network applications mainly foc
21. Which of the below frequency bands is the C-Band supported by 5G?
22. For eMBB scenario of 5G, the peak rate is required to reach ( ).
23. Which of the following functions can be tailored for smart grid meter reading services?
24. Which of the below statements about 5G NSA networking is incorrect?
eMBB 
mMTC
uRLLC
ALL
2600MHz
3.5GHz 
28G
700MHz
1 Gbps
10 Gbps 
100 Gbps
1000 Gbps
Charging function
Mobility management
Session management
Terminal management
The signaling of the UE can be forwarded only by the eNodeB.
The UE signaling can be directly sent to the gNodeB. 
Downlink user plane datacan be sent to UE through gNodeB.
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25. Which RAN structure will be separated into CU and DU two parts?
26. Which of the below key technologies of 5G can effectively support the precise load control of 
27. Which of the following technologies can shorten the air interface latency?
28. 5G network can use high-order modulation to increase the air interface rate. Which of the fol
about high-order modulation is incorrect?
29. Which of the following statements about the causes of insufficient 5G uplink coverage is inco
Downlink user plane data can be sent to UE through eNodeB.
C-RAN
D-RAN
Cloud RAN 
All of them
Massive MIMO
Base station cloudification
Edge computing 
F-OFDM
High-level Modulation
Massive MIMO
Flexible frame structure
F-OFDM
Higher-order modulation can improve spectrum utilization.
Higher-order modulation has higher requirements on the SINR of signals.
High-order modulation technologies increase terminal costs.
256QAM and massive MIMO cannot be used together. 
The UE transmit power is low.
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30. In 5G system, spectrum utilization can be improved by using the F-OFDM technology. When t
which system bandwidth is of the maximum spectrum utilization?

Show Answer
You have used 3 of 3 attempts
No beamforming is used in the uplink.
Uplink slot assignment is few.
UE receiver sensitivity is poor.
20MHz
60MHz
80MHz
100MHz 
Submit
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