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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
解説:
Explanation/Reference:
質問 23
When considering Cloud and Transport orchestration, evaluate whether the following statement is true or false: NFVO is to Cloud what SDN is to Transport.
- A. True
- B. False
正解: B
質問 24
What are the benefits of traffic engineering in Transport networks? (Choose three.)
- A. Better utilization of network capacity
- B. Traffic steering
- C. Scaling access points
- D. Resiliency
正解: A,B,D
質問 25
Which of the following statements are applicable to the technology of massive MIMO?
(Select 3)
- A. Several data flows are sent at the same time on the same frequency.
- B. Transmit diversity is used in case of poor radio conditions.
- C. The signals on each antenna are made orthogonal.
- D. The data flows are sent at the same time on different frequencies.
正解: A,B,C
質問 26
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
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
Which of the following are 4G limitations that justify a roll-out to 5G? (Choose three.)
- A. High latency
- B. Low reliability
- C. Beamforming is not supported
- D. Low peak and end-user-experience throughput
正解: A,B,D
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 purpose of the secondary authentication feature?
- A. To improve authentication when connecting to different network slices.
- B. To authenticate the User Equipment with an external data network.
- C. To improve authentication between the User Equipment and the 5G Core.
- D. To authenticate the User Equipment coming from an untrusted non-3GPP access (N3IWF).
正解: C
質問 31
What are the benefits of the stateless or state-efficient aspects of network functions?
- A. Ensure the database integrity
- B. Avoid massive database corruption
- C. Enable scalability and extreme resiliency in the 5G Core
- D. Provide real time access to the databases
正解: C
質問 32
Which of the following statements about 5G Transport is incorrect?
- A. Ultra Reliable Machine to Machine communication will require dependable low latency communication.
- B. Widely diverse end to end services will require the ability to create a Transport Slice with guaranteed SLAs.
- C. Internet of things devices will require a massive increase in network connectivity.
- D. Explosive traffic growth will require statically defined manually configured end to end QoS based services.
正解: C
質問 33
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 34
Is it possible for a User Equipment to connect simultaneously to multiple slices in 5G?
- A. No
- B. Yes
正解: B
質問 35
In a 5G Transport network, the encryption protection of the user and control plane are provided by which of the following?
- A. SSH
- B. IPSec
- C. Access Control List
- D. X25
正解: B
質問 36
Which of the following best defines what is meant by Network Slice isolation?
- A. Resource + Security isolation
- B. Security + Cloud isolation
- C. Transport + Cloud isolation
- D. Resource + Traffic isolation
正解: A
質問 37
Which of the following is not a part of an E2E Network Slice?
- A. Cloud Slice
- B. Transport Slice
- C. Core Slice
- D. Access Slice
正解: A
質問 38
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
質問 39
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 40
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
解説:
Explanation/Reference: https://webthesis.biblio.polito.it/12557/1/tesi.pdf
質問 41
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