Question 7 of 30 . Which type of hardware can be reprogrammed to the desired application or functionality requirements after manufacturing? FPGA ASIC CPU Accelerator Mark for follow up Question 8 of 30. What is an advantage for L1 Inline (or full L1 accelerator) acceleration for 5G? Relieve the general-purpose CPUs (GPPs) from the ultra-high L1processing demands. Supports multiple vDU SW vendors. Supports acceleration for only LDPC forward error correction. Using a in-line acceleration leaves the CPU free to use itscycles to process other L1 useful tasks. Mark for follow up Question 9 of 30 . Which type of Cloud deployment is used for exclusive use of the owner? Public Cloud Private Cloud Hybrid Cloud Mark for follow up 5G Cloud Native RAN Orchestration \& Automation Question 18 of 30 . What procedure of the Life Cycle Management involves uninstalling a container network function to free up resources on the cluster? Termination Deletion Onboarding Instantiation Mark for follow up Question 19 of 30. In the O-RAN architecture, which component is responsible for the cloud management and orchestration functions? SMO Non-Real time RIC. Near-Real time RIC. DMS Mark for follow up Question 20 of 30. True False Mark for follow up Test - Nokia Bell Labs 5G Cloud Native RAN Exam | BL00460-E-2207 5G Cloud Native RAN Evolution and Challenges Question 10 of 30 . How does the RAN Intelligent Controller use AI/ML in the RAN? Enables external applications to control aspects of the 5G network. Enables RAN programmability. RIC is deployed in Edge data centers and can support classical and cloud RAN. Provides O1 interface towards SMO. Mark for follow up Question 11 of 30. Which of the following challenges applies to DevSecOps ? Capability to push new code into real production. Non-Optimal performances with generic code. Separation of tightly intertwined functions from application and platform. Adding modularity increases system complexity. Mark for follow up Question 12 of 30 . Which of the following is a challenge in implementing a microservice architecture for cloud native RAN? Test - Nokia Bell Labs 5G Cloud Native RAN Exam | BL00460-E-2207 5G Cloud Native RAN Open Interfaces and API Question 13 of 30 . The fronthaul interface protocol specified by O- RAN is based. CPRI eCPRI OBSAI PDH Mark for follow up Question 14 of 30 . In the O-RAN ALLIANCE specified fronthaul low level split (LLS) options, which two protocol functions are moved to the RU in 7-2e compared to 7-2? Beamforming and RF. IRC and Channel estimation. MAC and RLC. RRC and PDCP. Mark for follow up Question 15 of 30 . What is the purpose of the E1 interface in the gNB? Question 21 of 30 . Why do we need automation in network operations for 5G ? (Choose 2) Reduced network complexity enables easier automation to save costs. New business dimensions and opportunities to support specialized and customized services. Increased network complexity requires automation to help manage and deploy. Container-as.

1. Question 7 of 30 . Which type of hardware can be reprogrammed to the desired application or
functionality requirements after manufacturing? FPGA ASIC CPU Accelerator Mark for follow
up Question 8 of 30. What is an advantage for L1 Inline (or full L1 accelerator) acceleration for
5G? Relieve the general-purpose CPUs (GPPs) from the ultra-high L1processing demands.
Supports multiple vDU SW vendors. Supports acceleration for only LDPC forward error
correction. Using a in-line acceleration leaves the CPU free to use itscycles to process other L1
useful tasks. Mark for follow up Question 9 of 30 . Which type of Cloud deployment is used for
exclusive use of the owner? Public Cloud Private Cloud Hybrid Cloud Mark for follow up
5G Cloud Native RAN Orchestration & Automation Question 18 of 30 . What procedure of the
Life Cycle Management involves uninstalling a container network function to free up resources

2. on the cluster? Termination Deletion Onboarding Instantiation Mark for follow up Question 19
of 30. In the O-RAN architecture, which component is responsible for the cloud management
and orchestration functions? SMO Non-Real time RIC. Near-Real time RIC. DMS Mark for
follow up Question 20 of 30. True False Mark for follow up
Test - Nokia Bell Labs 5G Cloud Native RAN Exam | BL00460-E-2207 5G Cloud Native RAN
Evolution and Challenges Question 10 of 30 . How does the RAN Intelligent Controller use
AI/ML in the RAN? Enables external applications to control aspects of the 5G network. Enables
RAN programmability. RIC is deployed in Edge data centers and can support classical and cloud
RAN. Provides O1 interface towards SMO. Mark for follow up Question 11 of 30. Which of the
following challenges applies to DevSecOps ? Capability to push new code into real production.
Non-Optimal performances with generic code. Separation of tightly intertwined functions from
application and platform. Adding modularity increases system complexity. Mark for follow up
Question 12 of 30 . Which of the following is a challenge in implementing a microservice
architecture for cloud native RAN?
Test - Nokia Bell Labs 5G Cloud Native RAN Exam | BL00460-E-2207 5G Cloud Native RAN
Open Interfaces and API Question 13 of 30 . The fronthaul interface protocol specified by O-
RAN is based. CPRI eCPRI OBSAI PDH Mark for follow up Question 14 of 30 . In the O-RAN
ALLIANCE specified fronthaul low level split (LLS) options, which two protocol functions are
moved to the RU in 7-2e compared to 7-2? Beamforming and RF. IRC and Channel estimation.
MAC and RLC. RRC and PDCP. Mark for follow up Question 15 of 30 . What is the purpose of
the E1 interface in the gNB?
Question 21 of 30 . Why do we need automation in network operations for 5G ? (Choose 2)
Reduced network complexity enables easier automation to save costs. New business dimensions
and opportunities to support specialized and customized services. Increased network complexity
requires automation to help manage and deploy. Container-as-a-Service deployment requires
automation to manage applications deployed on the CaaS platform. Mark for follow up Question
22 of 30. Select the cloud computing service model in which the security of the application is the
responsibility of the cloud provider (rather than the customer)? SaaS Paas laas On-premises
Mark for follow up Question 23 of 30 . What is expected when implementing DevOps for Edge
Cloud? Decreased deployment frequency. Reference configurations which will provide a
complete product software package and which includes all needed components. Deliver software
releases and new deployments on a fixed 3 month schedule. Service automation to enable
customizations for different types of deployment scenarios.

3. Select the best answer that describes Look-aside acceleration in 5G RAN. Look-aside
acceleration uses CPU resources to process L1 with support from acceleration Hardware for the
Forward Error Correction (FEC) algorithm (LDPC) Look-aside acceleration uses CPU resources
to process full L1 with support from acceleration Hardware. Look-aside acceleration terminates
fronthaul and processes full L1 at the interface-card. CPU resources are used only for L2 and L3
processing. using look-aside acceleration, all of the Layer 1 pipeline can be offloaded to the
accelerator card allowing for a less data-heavy interface between CPU and the accelerator car
Mark for follow up Question 5 of 30 . For the inline hardware acceleration using a Smart NIC
solution, what are the options for how it may be implemented? (Choose 2) System-on-chip (SoC)
or ASIC. Field Programmable Gate Arrays (FPGA). Hyper-threading CPU. Graphics Processing
Unit (GPU). Mark for follow up Question 6 of 30 . What is the purpose of the Acceleration
Abstraction Layer? Enable interoperability for different types of hardware accelerators from
different vendors to work with 5G application software. Provide a programmable interface for
orchestration systems to be able to dedicate vCPU to provide hardware acceleration functions for
5G applications. Define a hardware plug-in adapter to the cloud infrastructure that can work with
different accelerator products from different vendors. Defines a management interface to the
hardware acceleration products in order to independently monitor and perform management
tasks on the hardware accelerator. Mark for follow up Question 7 of 30. Which type of hardware
can be reprogrammed to the desired application or functionality requirements after
manufacturing?
What is expected when implementing DevOps for Edge Cloud? Decreased deployment
frequency. Reference configurations which will provide a complete product software package
and which includes all needed components. Deliver software releases and new deployments on a
fixed 3 month schedule. Service automation to enable customizations for different types of
deployment scenarios. Mark for follow up Question 24 of 30 . Which O-RAN network element
is responsible for near-realtime control and optimization of the gNB? RIC SMO OCU O-Cloud
Mark for follow up Question 25 of 30 . In a 5G transport network, the encryption protection of
user and control plane are provided by which of the following. Access Control List X.25 SSH
IPSec Mark for follow up
Question 15 of 30. What is the purpose of the E1 interface in the gNB? Define an open interface
for communication between CU and DU to allow separation of the network functions. Define an
open interface for communication between DU and RU to enable multiple vendor solutions to be
supported for RU and DU. Enable network slicing control between RAN and SMO. Split the

4. vCU into control plane specific and user plane specific functions. Mark for follow up Question
16 of 30 . Which of the following are characteristics of Declaritive APIs? (Choose 2) It expresses
a desired state. It does not indicate how to achieve the desired state. It is easy to implement. It
describes explicitly what to allocate, configure, etc. Mark for follow up Question 17 of 30.
Which Service Mesh component defines the percentage of traffic distributed in different
datacenter clusters? Service mesh controller. Signaling proxy. Data center cluster manager.
Microservice. Mark for follow up
Question 1 of 30 . What is an end-user benefit of network slicing with Cloud RAN? Common
hardware is used for all of the different network elements which can reduce maintenance costs.
Slicing enables interoperability between network functions from different vendors. Different
applications can use different resources or network functions to meet the service quality of
experience requirements. Reduces complexity of the network by limiting the number of network
functions. Mark for follow up Question 2 of 30. Which statement best describes virtualized
network elements (in comparison to traditional, cloudified and cloud Native elements)? Software
for network elements is tied to specific, sometimes proprietary, hardware. Applications run as
virtual network functions on generic hardware, but each are siloed and hardware pooling is
limited. Applications deployments are automated and scaling / elasticity is possible but may have
specific requirements to the underlying cloud stacks or hardware. Applications are decomposed
into microservices that are completely infrastructure independent and support documented API
to enable programmability. Mark for follow up Question 3 of 30 . Which of the following
statements best describes characteristics of Cloud Native network elements? (Choose 2)
Proprietary hardware that uses software specific to the hardware. Spare hardware inventory may
require a lot of different hardware components only available from a specific vendor.
Applications are de-composed to infrastructure independent microservices. Applications allow
for programmability via well-documented APIs.