BL0-100練習テスト問題は更新された40問題あります
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質問 18
What is the main benefit of Cloud RAN?
- A. Increase radio throughput
- B. Increased cell coverage
- C. Better latency
- D. Reduced cost by centralizing some radio functionalities
正解: A
解説:
Explanation/Reference: https://www.fujitsu.com/us/Images/CloudRANwp.pdf (4)
質問 19
The network of the future is the key to supporting the digitization and automation of many industries. This network should support diverse requirements from different applications using it. To do that, the network should have a new architecture. Which of the following best describe the elements of the new 5G end-to-end network architecture?
- A. Massive Scale Access combining many wireless and wired access types, Smart Network Fabric as transport (combining optical and IP network elements, controlled by SDN), a Universal Adaptive Core network supporting all access types, a Multi-cloud system including central, regional, edge, public, private, and hybrid cloud, and Automation and Analytics providing flexibility in the network to serve different applications.
- B. Wireless Access, Optical Transport, and a dedicated Core Network for wireless access running in a Central Cloud.
- C. Public sector element, a smart city element, a health element, a transport and logistics element, and an industrial element.
- D. Multiple access types (not only wireless), Optical Transport, Multi-cloud, and dedicated Core for every type of access.
正解: A
質問 20
Which of the following drive 5G low latency? (Choose two.)
- A. Edge Clouds
- B. Lower Time Transmission Interval (TTI)
- C. Support of up to 1 billion of IoT and sensors devices per km2
- D. Higher spectral efficiency
正解: B,D
質問 21
What does 5G bring to Industry 4.0? (Choose two.)
- A. 5G will generate a huge amount of data with mMTC and IT platforms are expected to suffer from this.
- B. 5G provides the connectivity (bandwidth, latency and reliability) needed to exchange data for OT and IT functionality.
- C. 5G will generate a huge amount of data and Information Technology will provide the computing platform with analytics and AI.
- D. 5G brings nothing to Industry 4.0.
正解: B,C
質問 22
What is the "sweet spot" for Industry 4.0?
- A. The "sweet spot" for industry 4.0 is a deployment strategy for delivering the required capacity and coverage for industrials.
- B. The "sweet spot" for industry 4.0 is the intersection of URLLC, eMBB and mMTC.
- C. The "sweet spot" for industry 4.0 is the intersection of operational, information and communications technologies.
- D. The "sweet spot" for industry 4.0 is a double-digit revenue growth.
正解: C
質問 23
What is the "sweet spot" for Industry 4.0?
- A. The "sweet spot" for industry 4.0 is a deployment strategy for delivering the required capacity and coverage for industrials.
- B. The "sweet spot" for industry 4.0 is the intersection of URLLC, eMBB and mMTC.
- C. The "sweet spot" for industry 4.0 is the intersection of operational, information and communications technologies.
- D. The "sweet spot" for industry 4.0 is a double-digit revenue growth.
正解: C
解説:
Explanation/Reference:
質問 24
Which of the following is a valid NFV attack?
- A. DDoS attack on the SDN switches
- B. Hypervisor resources leakage
- C. Hijack attack on hypervisor
- D. Poor NFV implementation
正解: C
質問 25
In terms of scalability, flexibility, and capacity, which of the following would overcome 4G limitations?
- A. Service based architecture, stateless network functions, Cloud-ready network functions and modular network functions.
- B. Client/Server architecture, stateless network functions, Cloud-ready network functions and modular network functions.
- C. Client/Server architecture, Cloud-ready network functions, and modular network functions.
正解: B
質問 26
What is the role of 5G in meeting the automation needs of Industry 4.0?
- A. 5G requirements for Industry 4.0 are mainly focused on Ultra high bandwidth needs.
- B. 5G requirements for Industry 4.0 are mainly focused on ultra low latency characteristics but also from high throughput and massive connectivity.
- C. 5G plays a minor role on Industry 4.0 because the requirements are mainly focused on mMTC and IoT.
- D. 5G plays an important role on Industry 4.0 because it enables the cloud automation with baremetal platforms.
正解: B
質問 27
What is the maximum distance of an Edge Cloud from end-user?
- A. 300 KM
- B. 10,000 KM
- C. 1,000 KM
- D. 5,000 KM
正解: C
質問 28
What does the acronym SOAR stand for?
- A. Security Orchestration Automation and Recovery
- B. Security Optimization Accountability Recovery
- C. Securitization, Optimization, Access Control, and Resiliency
- D. Security Orchestration Automation and Response
正解: D
解説:
Explanation/Reference: https://www.fireeye.com/products/helix/what-is-soar.html
質問 29
You and a colleague are discussing the challenges to be resolved in order to make digitization and automation a reality in all industries. He is arguing that the solution is to have faster access connectivity, but you don't agree. You are trying to convince him of the need for an end-to-end solution. The new 5G network should be built end-to-end to enable industries' quest for value. What arguments can you provide to support your position?
- A. Increasing throughput is not enough. A faster and automated transport network, a distributed cloud where applications would run depending on their latency and reliability requirements, a core network that automatically handles any type of access, and a security framework to guarantee the security in every layer of the network are also needed.
- B. Increasing the access throughput might be worthwhile but applications that support a higher bit rate should also be a consideration.
- C. Increasing the throughput is enough. There is no need to change the network end-to-end.
- D. The network consists of many layers that include access, transport, core, cloud, and all of the applications running in the cloud. Increasing throughput in access is not enough. The bit rate needs to be increased in all of the other layers as well.
正解: A
質問 30
What is the Unstructured Data Storage Function (UDSF)?
- A. This network function stores or retrieves subscriptions, profiles, and authentication data to or from the data repositories. It offers services to the AMF, SMF, NEF and AUSF using the Service Based Interface.
- B. This network function exposes 5G Core Network functionalities available to 3rd parties, so that 3rd party capabilities and events may be securely exposed by the Network Exposure Function (NEF).
- C. This network function is part of data repositories in the Common Data Layer. It stores 3GPP standardized data.
- D. This network function is part of data repositories in the Common Data Layer and in opposition to the UDR, it stores non-standardized - Unstructured - data.
正解: B
質問 31
You are working in a logistics company. Your manager is telling you that automation is very important to create more opportunities for the company. His idea is to deliver parcels using drones. With this in mind, he asks you if a 4G network provides good connectivity for controlling the delivery drones. How would you answer him and why?
- A. No, a 4G network is not a good choice for drone control because big operators (with whom we cannot deal) mainly deliver it.
- B. No, a 4G network cannot deliver the required connectivity. It is not able to guarantee the latency and reliability required for drone control.
- C. Yes, 4G provides a connectivity network but, it is quite expensive. WIFI may be a preferable option.
- D. Yes, the drone control application can be hosted in the cloud and the 4G network can provide the speed needed to reach the application and control the drones.
正解: D
質問 32
Which of the following drive 5G higher reliability?
- A. Multi-connectivity per User Equipment
- B. Higher spectral efficiency
- C. Lower Time Transmission Interval (TTI)
- D. Connectionless radio access
正解: B
質問 33
Which of the following defines a vertical Network Slice?
- A. When it operates on the same layer of the ISO/OSI model.
- B. When it serves a given customer for a specific purpose, such as a national energy network.
- C. When it cross all the network layers from the radio up to the core.
- D. When it serves a given common purpose, for a use case with a defined QoS (eg a use case in transportation, in energy).
正解: B
質問 34
What is the best solution for deploying an optimal network function distribution?
- A. Using Virtual Network Functions in Access
- B. Using Virtual Network Functions orchestrated across various Cloud Data Centers
- C. Using duplicated Virtual Network Functions
- D. Using Virtual Network Functions to control the routing
正解: B
質問 35
What does 5G bring to Industry 4.0? (Choose two.)
- A. 5G will generate a huge amount of data with mMTC and IT platforms are expected to suffer from this.
- B. 5G provides the connectivity (bandwidth, latency and reliability) needed to exchange data for OT and IT functionality.
- C. 5G will generate a huge amount of data and Information Technology will provide the computing platform with analytics and AI.
- D. 5G brings nothing to Industry 4.0.
正解: B,C
解説:
Explanation/Reference: https://www.google.com/url?
sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwij3MSz5eTvAhUUQEEAHVYtAJkQFjAAegQIAxAD&u rl=https%3A%2F%2Fwww.mdpi.com%2F2673-4001%2F1%2F1%2F5%2Fpdf&usg=AOvVaw2pcA- zrM3BgCPfsBYztcsA
質問 36
What is Unified Data Management (UDM)?
- A. This network function is part of data repositories in the Common Data Layer and in opposition to the UDR, it stores non-standardized unstructured data.
- B. This network function stores or retrieves subscriptions, profiles and authentication data to or from the data repositories. It offers services to the AMF, SMF, NEF and AUSF using the Service Based Interface.
- C. This network function provides registration and discovery functionality to enable other network functions/ services to discover and communicate with each other.
- D. This network function supports authentication for 3GPP and non-3GPP accesses.
正解: D
解説:
Explanation/Reference: https://docs.oracle.com/communications/F25434_01/docs.10/UDM%20User%27s%20Guide/GUID- F0678B8F-501C-4BE5-A0D7-141CED2DFE70.htm
質問 37
Which of the following is not a benefit of Network Slicing?
- A. Priority between different flows
- B. Recovery of network flows when they fail
- C. Differentiated QoS flows, for different services
- D. Privacy and segmentation between flows
正解: B
質問 38
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