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Nokia 5G RAN Network Operations Expert Sample Questions:

1. For security segmentation, NOC personnel typically do not connect directly from their workstations to production AirScale base stations. Instead, they first authenticate to an intermediate, hardened host. What is this intermediate host commonly called?

A) Jump server / bastion host
B) DNS server
C) Load balancer
D) Edge router

2. What is the primary purpose of the secure IPsec VPN tunnel established between a centralized Operations Center and a remote 5G site's transport network?

A) To encrypt and authenticate OandM traffic exchanged between NetAct/NOC and the base station
B) To replace the need for alarm monitoring
C) To compress software packages before download
D) To boost the radio transmit power of the cell

3. Before rolling out a new software release across an entire region's base stations, an operator first activates it on a small subset of sites and closely monitors their performance for a period of time. What is this practice commonly called, and what is its primary benefit?

A) A configuration audit - its benefit is verifying PLMN ID consistency
B) A staged or pilot (canary) rollout - its benefit is detecting any issues introduced by the new software on a limited number of sites before wider deployment, limiting the potential impact of unforeseen problems
C) A bulk parameter update - its benefit is applying neighbor relation changes more quickly
D) A factory reset campaign - its benefit is reducing license costs

4. What is the primary purpose of the Tracking Area Code (TAC) configured on a 5G cell?

A) It defines the maximum transmit power permitted for the cell
B) It identifies the specific hardware vendor of the baseband unit
C) It specifies which software version is installed on the base station
D) It groups cells into areas used for UE location tracking and paging in idle mode, helping manage mobility signaling efficiently

5. Before granting a new NOC engineer remote access credentials to production AirScale sites, what should be verified according to Nokia's operational security practices?

A) That the engineer's account has unrestricted access to all NetAct modules by default
B) That the engineer holds physical keys to all site cabinets
C) That the engineer has completed required training and is assigned a role matching their responsibilities under the least-privilege principle
D) That the engineer owns a personal mobile phone

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