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Nokia 4A0-100 Exam - Topic 4 Question 130 Discussion

Which of the following statements about MD-CLI is FALSE?A. It allows atomic transactions. B. Configuration changes are activated when the running configuration datastore is saved to a file. C. To achieve transactional configuration, it is necessary to have multiple configuration datastores. D. Multiple users may enter the global configuration mode concurrently.
B) Configuration changes are activated when the running configuration datastore is saved to a file -- False. In MD-CLI, changes are committed to the running datastore when a user issues the commit command, not when saving to a file. Saving to a file is a separate action (e.g., admin save) and does not trigger configuration activation.
A) It allows atomic transactions -- True. MD-CLI uses atomic transactions to apply multiple changes at once, ensuring consistency and rollback if a failure occurs.
C) To achieve transactional configuration, it is necessary to have multiple configuration datastores -- True. MD-CLI uses candidate, running, and operational datastores to implement transaction-based configuration.
D) Multiple users may enter the global configuration mode concurrently -- True. MD-CLI supports multi-user access to global configuration with locking mechanisms to prevent conflicts.

Nokia 4A0-100 Exam - Topic 4 Question 130 Discussion

Actual exam question for Nokia's 4A0-100 exam
Question #: 130
Topic #: 4
[All 4A0-100 Questions]

Which of the following statements about MD-CLI is FALSE?

A. It allows atomic transactions. B. Configuration changes are activated when the running configuration datastore is saved to a file. C. To achieve transactional configuration, it is necessary to have multiple configuration datastores. D. Multiple users may enter the global configuration mode concurrently.

Show Suggested Answer Hide Answer
Suggested Answer: B

The Model-Driven Command Line Interface (MD-CLI) in Nokia SR OS provides a structured and programmatic way to manage configurations. It is based on a transactional model, meaning changes are made in a candidate configuration before being committed to the running configuration.

Let's review each statement:


Nokia SR OS MD-CLI User Guide

Nokia SRA Study Guide -- Chapter: 'Model-Driven Configuration and Transactions'

by Arthur at Jul 18, 2026, 02:20 AM

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Gaynell
4 days ago
Yeah, I thought you needed multiple datastores for transactions. Makes sense!
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Alica
9 days ago
Multiple users can enter global config mode? Sounds risky!
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Alberto
14 days ago
Wait, so saving to a file doesn’t activate changes? That’s surprising!
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Fernanda
20 days ago
I totally agree, option B is definitely false!
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Sylvie
25 days ago
MD-CLI does allow atomic transactions, that's a fact.
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Ceola
30 days ago
I feel like I read somewhere that multiple users can access global configuration at the same time, so option D seems true to me.
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Walton
1 month ago
I practiced a similar question about configuration datastores, and I think option C is true since multiple datastores are needed for transactional changes.
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Tennie
1 month ago
I'm not entirely sure, but I think configuration changes only take effect after a commit, not just by saving to a file. That makes option B sound false.
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Amie
2 months ago
I remember studying that atomic transactions are a key feature of MD-CLI, so I think option A is true.
upvoted 0 times
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