What is the biggest difference between Cloud VR and traditional VR? (single-choice question, 2 points)
- A . Image clarity
- B . Image Perspective
- C . Location of Image Processing and Rendering
- D . The frame rate of the image
C
Explanation:
Question analysis: Cloud VR realizes the wireless of the terminal, and completes the image rendering through the cloud server, which greatly reduces the terminal cost and improves the user experience.
In the IMT2020 vision, which of following is correct ratio of 5G service delay to the 4G service delay?
- A . 1/100
- B . 1/20
- C . 1/10
- D . 1/50
Which of the following are 5G technologies defined in 3GPP release 15? _MC
- A . Massive MIMO
- B . Flexible sub-frame structure
- C . New mutli-access technology
- D . New waveform
Which of the following is the most advanced aspect of the development phase of IoV? _SC
- A . Fully Automated parking
- B . Lase change assistance
- C . Automated driving urban areas
- D . Automatic driving in lanes
Which of the following is a function of UPF? (single-choice question, 6 points)
- A . Server discovery function
- B . Packet routing and forwarding
- C . Provide policy rules to the control plane function
- D . Base station authentication server function
Which of the following 5G chipsets does not support 5G mode?
- A . SC- Balong 5000
- B . Exynos 5110
- C . X55
- D . X50
The 5GR15 version is clear, the control plane adopts Polar encoding, and the user plane adopts LDPC encoding. (True or False, 2points)
- A . True
- B . False
A
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.
Which of the following Terms refers to the base station in the radio access network in 5G?
- A . NodeB
- B . eNodeB
- C . gNodeB
- D . BTS
After the drone is connected to the 5G network, the application field will be further expanded. (True or False, 2 points)
- A . True
- B . False
A
Explanation:
Compared with 3G/4G network, 5G has three major business fields. In the 5G network, the application field of drones will be further expanded.
The user plane function of the core network is lowered, which can greatly improve the user rate. (True or False, 6 points)
- A . True
- B . False
The separation of CU/DU brings more network nodes and more difficult fault location (True or False, 10 points)
- A . True
- B . False
In what year was the 3GPP organization founded? (single-choice question, 2 points)
- A . 1996
- B . 1998
- C . 2000
- D . 2002
B
Explanation:
Analysis of the test questions: 3GPP was established in December 1998, and a number of telecommunication standard organization partners jointly signed the "Third Generation Partnership Project Agreement".
(Judgment) Vertical industry applications have clear requirements for business isolation.
Based on slicing technology, business isolation requirements can be better met.
- A . True
- B . False
What was the first standard release of LTE? (single-choice question, 2 points)
- A . Relasee4
- B . Relasee7
- C . Relasee8
- D . Relasee10
C
Explanation:
Question analysis: It is generally considered that LTEstarts from R8 version, LTE-A starts from R10 version, 4.5G (LTE-A Pro) starts from R12 version, and 5G starts from R15 version.
Which of the following is minimum latency requirement of 1080pcloud games?
- A . 100 ms
- B . 1 s
- C . 1ms
- D . 10ms
In the Cloud RAN architecture, which of the following network element functions cannot be deployed in the cloud? (Multiple choice, 2 points)
- A . BBU
- B . DU
- C . CU
- D . AAU
A,B,D
Explanation:
The wireless side CU can realize cloudification, but DU/BBU/AAU cannot realize cloudification.
Which of the following is the maximum round trip time (RTT) of 5G -V2X?
- A . 10ms
- B . 5ms
- C . 20ms .
- D . 50ms
F-OFDM uses afixed sub-carrier bandwidth of 15KHz, which can resist stronger interference. (True or False, 6 points)
- A . True
- B . False
Which of the following medical applications does not need to be supported by 5G?
- A . Patient Locating
- B . Remote surgery
- C . Remote robot endoscope
- D . Remote B-scan
The 5G air interface protocol stack is the same as 4G, without any changes. (True or False, 2 points)
- A . True
- B . False
B
Explanation:
Compared with 4G, the 5G air interface protocol stack adds an SDAP layer on the user plane.
In the cloud-based 5G wireless network, which of the following protocol layers does not belong to RAN-DU? (Multiple choice, 6 points)
- A . MAC
- B . Physical layer
- C . RLC
- D . RRC
Which of the following statements about the characteristics of smart grids is incorrect? (single-choice question, 2 points)
- A . Clean and Friendly Power Generation
- B . Safe and efficient power transmission
- C . Centralized power distribution
- D . Diverse interactive electricity consumption
C
Explanation:
Question Analysis: Distribution automation rather than centralized distribution.
The full name of C-V2X is Advanced Driver Assistance System. (True or False, 6 points)
- A . True
- B . False
Which one of the following serves the main application service for 5G in early deployment phase in european union and the united states?
- A . internet of vehicle (IoV)
- B . cloud VR
- C . FWA (home broadband access) .
- D . smart manufacturing
What belongs to the new requirement of PTN smooth evolution to support 5G bearer is (multiple choice, 4 points)
- A . SPTN deployment enhances business flexibility
- B . Network Slicing Evolution: FlexE
- C . Service Evolution: SR-TP/L3
- D . Bandwidth evolution: 50/200/400GE
In the 5G eMBB scenario, what is the main coding scheme used for the control channel? (single-choice question, 2 points)
- A . Turbo
- B . Convolutional Codes
- C . Polar
- D . LDPC
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.
Which of the following NSA networking statements are correct? _MC
- A . Capable of provisioning new services such as URLLC
- B . LOW Investment in the initial phase of 5G deployment
- C . Requiring continuous coverage provided by the 5G base solutions
- D . Deployment based on legacy 4G networks
The RAN Centralized Unit (CU) is also commonly referred to as the real-time processing unit of the RAN. (True or False, 4 points)
- A . True
- B . False
Which of the following are major challenges in the 5G era? -MC
- A . Explosive increase of connected devices
- B . Ultra-Low latency for communication between vehicles
- C . Fast handover on mobile networks
- D . Surging increase of MBB data traffic
Which one of the following serves as the mail application service for 5G deployment phase in the Europe and the United states? -SC
- A . Internet of Vehicles (IoV)
- B . Cloud VR
- C . Smart manufacturing
- D . FWA (Home broadband access)