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What is a function of a northbound API?
- A. It relies on global provisioning and configuration.
- B. It upgrades software and restores files.
- C. It supports distributed processing for configuration.
- D. It provides a path between an SDN controller and network applications.
DRAG DROP
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Drag and drop the Ansible features from the left to the right. Not all features are used.
What is an Ansible inventory?
- A. unit of Python code to be executed within Ansible
- B. file that defines the target devices upon which commands and tasks are executed
- C. device with Ansible installed that manages target devices
- D. collection of actions to perform on target devices, expressed in YAML format
What is a function of a northbound API in an SDN environment?
- A. It relies on global provisioning and configuration.
- B. It upgrades software and restores files.
- C. It supports distributed processing for configuration.
- D. It provides orchestration and network automation services.
Refer to the exhibit. What is missing from this output for it to be executed?
- A. double quotes (” “) around the “Cisco Devices” string
- B. exclamation point (!) at the beginning of each line
- C. square bracket ( [ ) at the beginning
- D. curly braket ( } ) at the end
What is the advantage of separating the control plane from the data plane within an SDN network?
- A. limits data queries to the control plane
- B. reduces cost
- C. decreases overall network complexity
- D. offloads the creation of virtual machines to the data plane
Which two HTTP methods are suitable for actions performed by REST-based APIs? (Choose two.)
- A. REMOVE
- B. REDIRECT
- C. POST
- D. GET
- E. POP
When is the PUT method used within HTTP?
- A. to update a DNS server
- B. when a nonidempotent operation is needed
- C. to display a web site
- D. when a read-only operation is required
What describes a northbound REST API for SDN?
- A. network-element-facing interface for GET, POST, PUT, and DELETE methods
- B. application-facing interface for SNMP GET requests
- C. application-facing interface for GET, POST, PUT, and DELETE methods
- D. network-element-facing interface for the control and data planes
Which function generally performed by a traditional network device is replaced by a software-defined controller?
- A. building route tables and updating the forwarding table
- B. encapsulation and decapsulation of packets in a data-link frame
- C. changing the source or destination address during NAT operations
- D. encryption and decryption for VPN link processing