HCIA-5G (Dumps Questions)

Which of the following is the main advantage of the using massive MIMO over traditional MIMO? (Single Choice). Single-channel array gain. Multiplexing gain. 3d beamforming gain. Diversity gain.

The first applications of 5G networks mainly focus on eMBB. (True or False). False. True.

What is the minimum bandwidth of a 5G low-frequency band cell? (single-choice). 3MHz. 10MHz. 5MHz. 1.3MHz.

5G uses edge computing to offload traffic, guaranteeing low latency. False. True.

Which of the following NSA networking statement are correct?. low investment in the initial phase of 5G deployment. capable of provisioning new services such as URLLC. requiring continues coverage provide by 5G base stations. deployment based on legacy 4G networks.

The key requirements of the 5G bearer network can be summarized into which of the following aspects? (Multiple choice). Agile operation and maintenance. Low latency. Large bandwidth. Network Fragmentation.

Which of the following are pain points relating to PC gaming experience? (Multiple Choice). Low hardware investment. High software price. Piracy. No anywhere anytime access.

What are the shortcomings of using traditional communication technologies (2G, 4G) to carry power grid services? (Multiple choice). Poor security. Poor reliability. Large delay. High cost.

Which of the following statements about the advantages of Cloud RAN architecture is correct? (Multiple choice). Business on-demand deployment. Network Elasticity Expansion. Device resource pooling. Adapting to Diversified Businesses.

According to the current trend, which statements about 5G commercial use are correct? (Multiple choice). NB-IoT has just started commercial use, so the commercial use of mMTC will be later than eMBB. Because of the strong demand for the Internet of Things, mMTC will be commercialized earlier than eMBB. The commercial use of uRLLC will put forward higher requirements for network architecture transformation. WTTX and eMBB will be given priority for commercial use.

Which of the following are points of electronic power telecommunication?. high cost for monitoring service carried by operator 4G network. public network GPRS with low rate and long delay unable to provision telecontrol, tele indication and telemetering, slow fault locating. incapable of collecting electric consumption information, costly manual meter reading. low security and reliability of electric power services carried on public network.

Which of the following items are included in the 5G phase 3 test led by IMT - 2020 (5G) promotion Group? (Multiple Choice). Indoor test of the SA architecture. Field test of the NSA architecture. Inter-vendor compatibility test. Field test of the SA architecture.

The impact of the 5G core network on the bearer network mainly includes (multiple choice). Converged connection->Full Mesh connection, the number of connections increases exponentially. L3 layer to edge. Vertical business->N2/N3 layered termination, flexible attribution. Horizontal service->gNB-gNB(X2), DU-DU, CU-CU.

Which of the following features is not a key feature to reduce the latency of end-to-end services? (Multiple choice). User face sinking. Add SDAP protocol. Shorten scheduling delay. OFDM.

The key challenges of the 5G bearer network are (multiple choice). Business cloudification. Business growth. 10x increase in bandwidth. Internet of Everything.

The description of 5G core network deployment is correct (multiple choice). MCEs are mostly deployed in common aggregation equipment rooms or CO points to realize low-latency service processing. The NB-IOT gateway is deployed at a high level in the core computer room to achieve the best efficiency. EPC cooperates with CDN to sink to the backbone aggregation equipment room. 5G core network SGW deployed in provincial capital cities.

Which of the following key 5G technologies can improve network spectrum efficiency? (Multiple choice). Massive MIMO. New channel coding. Flexible subcarrier bandwidth. 256QAM Advanced Adjustment.

Which of the following core network functional modules belong to the control plane? (Multiple choice). SMF. UPF. PCF. UDM.

Which of the following core network functions are control plane functions? (Multiple choice). Forwarding. Policy Control. Session management. Mobility Management.

In the following description, which of the following are suitable for NSA networking? (Multiple choice). Ability to support new services such as uRLLC. Because the agreement was frozen at the end of 2017, 5G can be deployed earlier. Less investment in the initial stage of 5G deployment. 5G base stations need continuous coverage.

Which of the following descriptions of the networking mode are aimed at SA? (Multiple choice). NGC needs to be deployed and the deployment cycle is long. Able to support new services such as uRLLC. The agreement freezes in mid-2018. Less investment in the initial stage of 5G deployment.

Which of the following scenarios involve edge computing?. IOT. Iov. Auxiliary sensitive computing. AR.

In the Cloud RAN architecture, which of the following network element functions cannot be deployed in the cloud? (Multiple choice). DU. AAU. BBU. CU.

Which of following are advantages of accessing 5G at ? (Multiple Choice). Flexible deployment. Higher reliability than optical fibers. Optical fiber-class rate. Rapid deployment and go-to-market.

Which of the following technical solutions reduce the 5G delay? (Multiple Choice). Shortening the resource allocation interval. D2D communication. Dynamic uplink and down link resources allocation. F-FDMA.

What are the performance requirements for 5G networks for IoV services? (Multiple choice). Mobility. Reliability. Spectral Efficiency. Delay.

Which of the following options are supported by 3GPP release lateDrope?. Option2. Option7. Option3. Option2.

What are the correct descriptions about 5G's mMTC service and other IoT scenarios? (Multiple choice). 5G will not be involved in LPWA. NB-IoT/eMTC technology is still evolving. 5G will coexist with NB-IoT/eMTC. 5G will replace NB-IoT/eMTC.

Which of the following are correct in the description of the security requirements of 5G? (Multiple choice). Air interface user plane integrity protection. It can realize end-to-end security protection between PLMNs. 5G uses 256-bit encryption algorithm. 5G user permanent identity encryption.

Which of the following NSA networking statements are correct? (Multiple Choice). Deployment based on legacy 4G networks. Capable of provisioning new services such as URLLC. LOW Investment in the initial phase of 5G deployment. Requiring continuous coverage provided by the 5G base solutions.

Which of the following are correct regarding 5G operation and O&M change points? (Multiple choice). To convert from "device operation and maintenance" to "sliced network operation and maintenance". The operation and maintenance level should be transformed from "box thinking" to "end-to-end perspective". Client subject: 2C converted to 2B. To convert from a "virtualized" organization to a "chimney" organization.

Which of the following are correct for the description of the Belong 5000 chip? (Multiple choice). The first single-chip multi-mode (2G/3G/4G/5G) 5G Modem. The first chip that supports both NSA/SA. The first 5G chip based on R14 V2X. Under Sub6GHz, 200MHz, the downlink rate is 10Gbps.

Which of the following are disadvantages of using drones on 4G communication networks? (Multiple Choice). The uplink data rate is low. The drone height is not within the mail lobe of the ground station antenna. The air signals are in disarray. There is no primary coverage cell. Frequent handovers caus significant downlink interference for terminals. The signal strength is dtrong when lower the 120 from the ground but the connection is easily lost when the height exceeds 120m. Delivering flight control command is slow.

In the option 3X architecture, which of the following devices is the anchor point of the signaling plane? (single-choice question). gNode B. SGW. UPF. eNodeB.

Which of the following operation in remote s urgery require network support?. operational control. control desktop. surgery footage. real-time construction audio video.

During 5G Standardization, which of the following is the SA (standalone) architecture developed in? (Single Choice). Phase 2.1. Phase 1.2. Phase 1.1. Phase 2.2.

The 5G technology is a requirement for automated driving. False. True.

Which of the following transmission network slicing technologies cannot achieve hard slicing of pipe bandwidth? (single-choice question). VLAN. ODUk. FlexETH. Port isolation.

Which one of the subcarriers spacing yield the highest spectral efficient for 5G cells on 50MHz bandwidth?. 60kHz. 30KHz. 15kHz.

With the network slicing technology, operators can increase revnue and reduce expenditure, opening up more service scenarios. False. True.

Using a 5G-based transmission line inspection drone can extend the inspection range to several kilometers away. False. True.

Which of the following services is the most suitable for terminals to implement DRX? (Single Choice). Intelligent meter reading. VR gaming. Video on-live. Automated driving.

For the cloud VR in the initial stage, the end-to-end network delay requirement is ( ). (singlechoice question). Within 20ms. Within 40ms. Within 10ms. Within 8ms.

3GPP release 16 describes only the URLLC and mMTC scenarios. True. False.

Which ogf the following is the ideal rate of reliability for cooperative automated driving?. 0.9999%. 0.999999%. 0.99999%. 0.999%.

Which of the following is true 100 Mbps eMBB service?. 8k VR. face time. 1080 video. tik tok.

Which of the following 5G network technologies can be used to reduce vehicle latency? (single-choice question). Massive MIMO. MEC. SDN. NFV.

Which of the following companies the claimed that it will no longer develop 5G terminal baseband chipsets? (Single Choice). QUALCOMM. Samsung. Intel. Huawei.

After applying MEC, local storage and real-time analysis of high-definition surveillance video in the park can save transmission. (True or False). True. False.

The smart meter reading business has higher requirements on which of the following indicators? (single-choice question). Network bandwidth. Network Latency. Number of Terminal Connections. Network Quality.

How many times is the 5G downlink peak rate higher than that of LTE? (single-choice question). 50 times. 500 times. 100 times. 10 times.

Higher-order QAM modulation requires higher signal-to-noise ratio and higher system complexity, so the modulation order cannot be increased indefinitely. (True or False). True. False.

Which one of the following solutions cannot reduce end -to-end delay?. RTT optimization over the air interface. large-capacity spectrum bandwidth. control and user plane separation (CUPS) on the core network. using a low latency bearer network.

What is the official name defined by the ITU for 5G networks? (single-choice question). IMT2020. MT2000. UMTS. NFV.

Which of the following is the mail requirement for 5G network performance for services such as smart building and smear lamp? (Single Choice). Connections. Rate. Mobility. Latency.

Which of the following TV definition is equivalent to the definition of the 8K 2D content in an entry-level full-view scenario? (Single Choice). 240p. 480p. 1080p. 720p.

3G/4G networks cannot support drones, mainly because the transmission bandwidth is too small. (True or False). True. False.

Which of the following is not an advantage of a thin client in the cloud x service?. easy deployment and management. efficient storage. mobile. low cost.

Which of the following has the highest requirement for the network bandwidth in B - Scan?. Ultrasonic imaging. Real-time call. Operation controlc. Communication between doctors and patients.

The 5G air interface protocol stack is the same as 4G, without any changes. (True or False). False. True.

The higher the frequency band, the more obvious the difference between uplink and downlink coverage, resulting in limited downlink coverage. (True or False). True. False.

Which of the following key technologies is used to improve data transmission reliability and reduce retransmission caused by data transmission errors, Thereby indirectly improving spectral efficiency? (Single Choice). F-OFDMA //. High-order modulation. Massive MIMO. Channel codding.

Which of the following is the key technology to enhance high -altitude coverage 5G network?. 256QAM. Massive MIMO. UL and decoupling. f-OFDMA.

In an industrial internet sensors are used to monitor the status. Which one of the following requirement in this case?. Large bandwidth. High reliability. Low delay. Massive connections.

Which of the following is minimum latency requirement of 1080p cloud games?. 10ms. 1ms. 1ms. 100ms.

Which description is correct about the frequency range of 5G spectrum FR1? (single-choice question). FR1: 24250-52600MHz. FR1: 45-6000MHz. FR1: 450-6000MHz. FR1: 27250-52600MHz.

In the initial phase of 5G network construction, operator predominantly provide data service for customers. False. True.

If customers are not eager to use 5G slicing services and only use them for eMBB services, which of the following networking is a good choice? (single-choice question). Option 3. Option 5. Option 2. Option 4.

Which of the following is a new service in the 5G era?. N8-LoT. SMS. Mobile internet. High-reliability and low-latency services.

3.5GHz coverage is better than 46GHz. (True or False). False. True.

Which following 5G scenario specification is predominately completed in the 3GPP R15 version. mMTC. uRLLC. MBB. eMBB.

The vehicle remote control technology needs to reach a level of excellent experience, and how low must the latency be? (single-choice question). 20ms. 10ms. 1ms. 4ms.

In the Cloud RAN architecture, which of the following network element functions implements cloud deployment? (single-choice question). DU. CU. BBU. AAU.

Cloud-based wireless networks can greatly increase user rates. (True or False). True. False.

In order to ensure the high availability and safety of the power consumption link, the optical fiber network will be mainly used for control in the future. (True or False). True. False.

Which of the following services is not a low-latency application? (single-choice question). Drones. Autonomous driving. Telesurgery. Smart Meters.

The same mobile phone, using Massive MIMO technology can greatly improve the peak rate of a single user. (True or False). True. False.

Which of the following is the key 5G capability required by monitoring applications such as connected intelligent infusion in smart healthcare?. Anytime, anywhere wireless. Wireless ultra-broadband access. Contiguous coverage. Low-power small-packet transmission.

The overall solution architecture of smart grid includes three layers: terminal, network and application. (True or False). correct. Mistake.

Which one of the following can be achieved with level 3 of automated driving?. auxiliary functions such as driving reminder. Conditional automated driving requiring continuous from the driver ... autonomous driving. occasional automatic intervention driving.

Which one of the following levels of precision are possible with the 3G+RTK function?. to the centimeter. to the submitter. to the millimeter. to the meter.

In the cloud-based 5G wireless network, which of the following protocol layers does not belong to RAN-DU? (Multiple choice). RLC. Physical layer. MAC. RRC.

Which of the following is not advantage of a thin client in the cloud X service?. Efficient storage. Low cost. Mobile. Easy deployment and management.

The 5G education private network is implemented with 5G slicing technology. (True or False). False. True.

In NSA mode, which of the following standards will serve as the anchor for 5G NR? (single-choice question). CDMA. GSM. WCDMA. LTE.

Where is VR currently on the Hype Cycle? (single-choice question). Expectation inflation period. The trough of the bubble burst. Steady climb recovery period. Technological infancy.

What is the IoV scenario for realizing vehicle-to-network communication? (single-choice question). V2I. V2V. V2P. V2N.

which of the following is the minimum value of ultra -high voltage (UHV) of a power system? (Single Choice). 800 KV. 220 KV. 330 KV. 35 KV.

Which of following V2X service statements is incorrect?. capable of evolution to cooperative automated driving. centralized deployment. centimeter level positioning. third-party algorithm deployment framework.

Which of the following is not a challenge currently faced by 5G smart healthcare? (single-choice question). Traditional methods have been able to meet medical needs. End-to-end service quality cannot be guaranteed at present. The quality of coverage in the initial stage of 5G deployment needs to be improved. Relevant laws are not perfect.

Which of the following locations is suitable for the Internet of Vehicles server to be deployed? (single-choice question). Core DC. Regional DC. Edge DC. Provincial capital computer room.

Which of the following statements is correct about the 5G service -oriented architecture? (Single Choice). Service-based interface. Network service are not open to external system. Network functions are decoupled and modularizedd. Network function are combined and deployed as required.

In what year was the 3GPP organization founded? (single-choice question). 1996. 1998. 2000. 2002.

In the current R15 version, which of the following is the highest modulation and coding method? (single-choice question). 16QAM. 256QAM. 64QAM. 1024QAM.

Internet of Vehicle (IoV), Requires coordination of network intelligence and infrastructure from vehicle -mounted information services?. False. True.

Which of the following 5G security features, which one can be used to record operations for security audit? (Single Choice). Integrity. Confidentiality. Availability. Traceability.

The goal of the 5G industry is to make it a globally unified standard. (True or False). True. False.

5G technology uses licensed frequency bands. Therefore mobile operators can provide identity authentication and core signaling security. True. False.

Device-to-Device (D2D) allows devices to communicate with each other without requiring a network?. True. False.

Which one of the following serves the main application service for 5G in early deployment phase in european union and the united states?. smart manufacturing. cloud VR. FWA (home broadband access). internet of vehicle (IoV).

Which of the following businesses is a uRLLC? (single-choice question). HD Video. Internet of Vehicles. VR. Meter reading business.

In the smart grid, which of the following services belongs to the uRLLC service? (single-choice question). Remote meter reading. Automatic Power Distribution. Line video surveillance. Collection of electricity consumption information of the whole network.

(Judgment) Vertical industry applications have clear requirements for business isolation. Based on slicing technology, business isolation requirements can be better met. False. True.

In an industrial internet, sensors are used to monitor the status. which one of the following is the network requirement case?. large bandwidth. massive connections. low delay. high reliability.

Which one of the following serves as the mail application service for 5G deployment phase in the Europe and the United states? (Single Choice). FWA (Home broadband access). Cloud VR. Internet of Vehicles (IoV). Smart manufacturing.

Which of the following measures can well meet the business diversification needs of future smart grids? (single-choice question). Business on-demand deployment. Resource isolation. End-to-end SLA guarantee. Operation and maintenance automation.

Which release version of 3GPP does 5G start from? (single-choice question). R8. R17. R13. R15.

Which of the following services belongs to the uRLLC scenario application? (single-choice question). VR. Smart meter reading. HD Video. Telemedicine.

Which of the following is the terms refers to the base station in the radio network access in 5G? (Single Choice). eNodeB. BTS. NodeB. gNodeB.

What are the proposers and users of slice requirements called? (single-choice question). Customer. Tenant. Tenants. Consumers.

Work with clear rules and certainty is assisted by "AI machines"; work with unclear rules and uncertainty can be automated (True or False). True. False.

What is the interface between two base stations in 5G? (single-choice question). S1. NG. X2. Xn.

Which of the following statements is correct about data splitting with Option 3x? (Single Choice). Bearer-bases data splitting. Data splitting on the eNodeB side. Direct data splitting by the EPC. Data splitting on the gNodeB side.

How many milliseconds does the 5G end-to-end latency need to be? (single-choice question, 6 points). 5. 10. 0.1. 1.

Which one of the following technologies enables 5G to better support drone services? (Single Choice). Large cell bandwidth. More connected users. Lower service delay. AAU vertical coverage.

Which of the following power grid businesses has the highest requirements on the number of terminals? (single-choice question). UAV power grid inspection. Distributed distribution automation. Precise load control. Low-voltage electricity consumption information collection.

In which 3GPP release were the 5G standards first introduced? (Single Choice). Release 16. Release 15. Release 8. Release 10.

What is the maximum throughput provide by 5G in the eMBB application scenario in IMT-2020 vision?. 10Gbps. 100Mbps. 1Gbps. 100Gbps.