350-601 Question #423: Real Exam Question with Answer & Explanation

Question

Due to a newly announced security advisory, a company has been Informed that they must update the configuration of 500 network devices that ate deployed n their network. The engineering team must assist the operations team to prepare for this update. The operations team does not have direct access to the network devices and must log in via a Linux server. This is the first time that the team is making a network-wide configuration and must change all devices without first installing additional software on the network devices. The operations team is unfamiliar with automation and scripting technologies. Which automation tool must be used to accomplish this goal?

Options

• AChef
• BAnsible
• CPuppet
• DSaltstack

Explanation

For a large-scale configuration update on network devices without installing agents and with an operations team unfamiliar with scripting, an agentless automation tool that leverages existing SSH access is required.

Common mistakes.

• A. Chef typically requires an agent to be installed on managed devices for configuration management, which violates the requirement of 'without first installing additional software'.
• C. Puppet is primarily an agent-based configuration management tool, requiring an agent to be deployed on the network devices.
• D. Saltstack typically operates with a master-minion (agent) architecture for managed devices, which contradicts the requirement of no agent installation.

Concept tested. Network automation tool selection (agentless vs agent-based)

Reference. https://docs.ansible.com/ansible/latest/network/user_guide/network_differences.html

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