Which of the following features is not a key feature to reduce the latency of end-to-end services? (Multiple choice, 2 points)
OFDM is to increase spectrum utilization; 5G user plane adds a new protocol layer SDAP to complete the QoS mapping function.
WHICH OF THE FOLOLOWING ARE THE KEY FACTORY FOR OPERATORS TO SELECT NSA OR SA NETWORKING? -MC
Which of the following services is the most suitable for terminals to implement DRX?_ SC
Which of the following advantages are experienced by cloud game user?
Sub-3 GHz spectrum resources can be dynamically shared with 5G spectrums by using the cloud AIR technology
The higher the frequency band, the more obvious the difference between uplink and downlink coverage, resulting in limited downlink coverage. (True or False, 2 points)
The higher the frequency band, the more obvious the difference between uplink and downlink coverage, resulting in limited uplink coverage.
FR1 is the main frequency band of 5G. What is the maximum bandwidth of the cell in MHz? (Multiple choice, 2 points)
Analysis of the test questions: The maximum bandwidth of the FR1 frequency band cell is 100MHz.
Cloud-based wireless networks can greatly increase user rates. (True or False, 4 points)
What is the Internet of Vehicles scenario that realizes the communication between the vehicle and the network? (single-choice question, 2 points)
Question Analysis: Vehicle and Road (V2I): Vehicle-mounted equipment and roadside infrastructure (such as traffic lights, traffic cameras, roadside units, etc.
vehicle-to-vehicle (V2V): vehicle-to-vehicle communication through vehicle-mounted terminals; vehicle-to-people (V2P): vulnerable traffic groups (such as pedestrians, cyclists, etc.) use user equipment (such as mobile phones, laptops, etc.) Vehicle and network (V2N): The in-vehicle device is connected to the cloud platform through the access network/core network.
Which of the following core network functional modules belong to the control plane? (Multiple choice, 4 points)
Which of the following is the interface between SMF and UPF? (single-choice question, 4 points)
Which of the following are the development phases of C -V2X?
Which of the following are commercial product in the 5G terminal industry
Internet of Vehicle (IoV), Requires coordination of network intelligence and infrastructure from vehicle -mounted information services?
The millimeter wave frequency band is the most mature frequency band in the 5G industry chain, and will become the main working frequency band of 5G in the future. (True or False, 6 points)
Which of the following are the challenges in the 5G era? (Multiple choice, 8 points)
What does the network technology of C-V2X include? (single-choice question, 2 points)
C-V2X cellular vehicle connection is a communication technology based on the global unified standard of 3GPP, including LTE-V2X and 5G-V2X. LTE-V2X supports smooth evolution to 5G-V2X.
In the early stage of 5G deployment, operators must adopt a cloud-based architecture. (True or False, 4 points)
Which of the following are functions of AMF? (Multiple choice, 4 points)
Which of following are advantages of accessing 5G at ? _MC
Which of the following has the highest requirement for the network bandwidth in B - Scan?
Which one of the following levels of precision are possible with the 3G+RTK function?
Which following service scenario of the smart grid does a separate 5G E@E need to be used? -SC
Which of the following measures can well meet the business diversification needs of future smart grids? (single-choice question, 2 points)
Question analysis: On-demand business deployment can well meet the business diversification needs of future smart grids.
(Judgment) Vertical industry applications have clear requirements for business isolation. Based on slicing technology, business isolation requirements can be better met.
Which of the following statements is incorrect about uploading AR/VR teaching content to the cloud? -SC
As a new technology, VR has already climbed the recovery period steadily and entered the technology maturity period. (True or False, 2 points)
VR is currently in a recovery period of steady climb.
Open Trial specification Alliance (OTSA) predominantly promotes the release and application of 28 GHz spectrum.
Which of the following are correct in the description of the security requirements of 5G? (Multiple choice, 2 points)
5G is more secure, mainly in the fact that 5G adopts 256-bit encryption algorithm; 5G user permanent identity encryption; can realize end-to-end security protection between PLMNs; air interface user plane integrity protection.
Which description is correct about the frequency range of 5G spectrum FR1? (single-choice question, 2 points)
FR1: Sub6G frequency band, which is what we call the low frequency frequency band, is the main frequency band of 5G; the frequency below 3GHz is called sub3G, and the other frequency bands are called C-band. FR2: Millimeter wave, which is what we call the high frequency band, is the extended frequency band of 5G and has abundant spectrum resources.
What is the interface between two base stations in 5G? (single-choice question, 4 points)
Which of the following is the highest modulation order as defined by 3GPP release 15? _SC
Which of the following businesses is expected to achieve the first commercialization? (Multiple choice, 8 points)
Which of the following services cannot be supported by the 4G network and need to be implemented using 5G? (Multiple choice, 2 points)
Question analysis: The services that require 5G implementation are those that require high bandwidth, delay, and number of connections. In the options, automatic driving and telemedicine both require low latency and require 5G to achieve.
Which of the following TV definition is equivalent to the definition of the 8K 2D content in an entry-level full-view scenario? –SC
Which one of the following serves as the mail application service for 5G deployment phase in the Europe and the United states? -SC
What diversity of connections can 5G deliver in the mMTC application scenario in IMT - 2020 Vision? –SC
The first wave of communication 5G predominately targets eMBB services.
Which of the following are the key requirements of power distribution automation on communication networks? -MC
Who is the applicant for the network slicing? -SC
Which of the following massive MIMO statements are correct? -MC
Compared with 4G networks, which of the following services can be better supported by 5G that supports higher rates? (Multiple choice, 10 points)
What is the minimum bandwidth of a 5G low-frequency band cell? (single-choice question, 2 points)
Question analysis: The minimum bandwidth of 5G is 5MHz.
What are the correct descriptions about 5G's mMTC service and other IoT scenarios? (Multiple choice, 2 points)
Question analysis: mMTC: coexisting with NB-IoT/eMTC, RP-180581 (RAN#79 2018-03-22) is clearly in the R16 version: 5G will not be involved in LPWA; NB-IoT/eMTC technology is still evolving; 5G Will coexist with NB-IoT/eMTC.
Which of the following organization defines 5G standards?
The 5G network can achieve air coverage using massive mimo antenna technology. (True or False, 10 points)
In order to ensure the QOS of eMBB's high-definition video services, where should the CDN server be deployed? (single-choice question, 6 points)
The user plane function of the core network is lowered, which can greatly improve the user rate. (True or False, 6 points)