CCIE CCIE Automation and Programmability 2

Question 1

In Ansible, what is the purpose of an 'inventory' file?

Accepted Answer

Defining the list of managed hosts and groupings

Answer

The Ansible inventory file defines the managed hosts, their groupings, and host/group variables used by playbooks during automation runs.

Question 2

What is the key difference between RESTCONF and NETCONF?

Accepted Answer

RESTCONF uses HTTP/HTTPS with REST principles while NETCONF uses SSH with XML-RPC

Answer

RESTCONF uses HTTP/HTTPS with REST operations (GET, PUT, POST, DELETE) while NETCONF uses SSH transport with XML-encoded RPC operations.

Question 3

In Cisco NSO (Network Services Orchestrator), what is a 'service package' used for?

Accepted Answer

Defining reusable network service models that abstract device-specific configuration

Answer

NSO service packages define YANG-based service models and mapping logic that translate abstract service inputs into device-specific configurations.

Question 4

Which Python library provides a higher-level abstraction for SSH-based network device management, supporting multiple vendor CLI?

Accepted Answer

netmiko

Answer

Netmiko is a Python library built on Paramiko that abstracts SSH connections to network devices, providing vendor-agnostic methods for sending CLI commands.

Question 5

What is the purpose of Cisco pyATS (Python Automated Test System) in network automation?

Accepted Answer

Network test and verification framework with device abstraction

Answer

Cisco pyATS is a test framework providing device abstraction (Genie), state comparison, and automated testing for network verification and regression testing.

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CCIE - Cisco Certified Internetwork Expert Practice Test

CCIE CCIE Automation and Programmability 2