01
Front
What is network automation?
Back
Network automation uses software to configure, monitor, and verify network devices and services, making changes more repeatable and scalable than configuring devices individually.
Free Online Flashcard Deck
6 Network Automation and Programmability Free Online FlashCards
Study 6 Network Automation and Programmability with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
12 cards
02
Front
How does SDN separate the control plane from the data plane?
Back
SDN separates the control plane, which decides how traffic should be handled, from the data plane, which forwards traffic. Control is logically centralized, but forwarding usually remains distributed across devices.
03
Front
What does a northbound API connect?
Back
Northbound APIs connect a network controller to applications, orchestration systems, or policy tools.
04
Front
How do an underlay and an overlay differ?
Back
The underlay is the physical or routed network that provides connectivity; the overlay is a logical network built on top of it.
05
Front
Which HTTP method commonly retrieves a resource?
Back
`GET` is the common HTTP method for retrieving information about a resource.
06
Front
What is YANG used for?
Back
YANG describes the structure and meaning of configuration and operational data. It is a data-modeling language, not a transport protocol.
07
Front
How do NETCONF and RESTCONF differ?
Back
NETCONF commonly exchanges XML through an RPC-style protocol. RESTCONF accesses YANG-defined data using HTTP methods and can use XML or JSON.
08
Front
What does idempotence mean in network automation?
Back
Idempotence means repeating the same desired-state operation leaves the system in the same intended state.
09
Front
What is configuration drift?
Back
Configuration drift is the difference between the intended configuration and the actual device state.
10
Front
What should network-change validation confirm?
Back
Validation checks that a change was applied and that the network still behaves as expected.
11
Front
How does Ansible commonly describe device tasks?
Back
Ansible commonly uses agentless connections and YAML playbooks to describe tasks for managed devices.
12
Front
What quoting rule applies to JSON object keys?
Back
JSON uses double quotes for object keys and string values, and it does not allow comments.
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