200-901 Cisco Platforms and Development Practice Test 5 — 15 Questions

Question 1

A network automation engineer is using Cisco DNA Center APIs. Which TWO of the following are valid API categories? (Choose two.)

Accepted Answer

Know your network. The valid categories are 'Know your network' and 'Change your network'. 'Monitor your network' and 'Secure your network' are not official categories.

Answer

Monitor your network

Answer

Secure your network

Answer

Automate your network

Question 2

A developer is building a Cisco Webex bot that needs to automatically respond to messages. Which THREE resources/endpoints are essential for this functionality? (Choose three.)

Accepted Answer

Rooms API. Essential endpoints are Messages (to send/receive), Webhooks (to get notified of events), and Rooms (to interact with rooms). People is useful but not essential for bot functionality.

Answer

People API

Answer

Licenses API

Question 3

A network administrator is planning to use model-driven programmability on Cisco IOS XE devices. Which TWO are valid YANG model sources for configuration? (Choose two.)

Accepted Answer

Cisco native YANG models (e.g., Cisco-IOS-XE-native). Cisco native models and OpenConfig models are both valid. IETF models are also valid but not listed. The others are not YANG models.

Answer

NETCONF capabilities

Answer

CLI commands

Answer

SNMP MIBs

Question 4

An administrator wants to retrieve a list of all network devices from Cisco DNA Center using the REST API. Which authentication method is required to obtain the API token?

Accepted Answer

Basic Authentication with username and password. Cisco DNA Center uses Basic Authentication with username and password (Base64 encoded) in the Authorization header to obtain a token via POST /dna/system/api/v1/auth/token.

Answer

Bearer token from OAuth2

Answer

Digest Authentication

Answer

API key in X-Cisco-Meraki-API-Key header

Question 5

A developer is using the Meraki Dashboard API to list the organizations accessible by the API key. They send a GET request to https://api.meraki.com/api/v1/organizations. What is the correct way to pass the API key?

Accepted Answer

In the X-Cisco-Meraki-API-Key header. Meraki Dashboard API uses the X-Cisco-Meraki-API-Key header for authentication.

Answer

In the Authorization header as Bearer token

Answer

In the URL as a query parameter: ?apiKey=...

Answer

In the request body as JSON

Question 6

A developer is using the Cisco Webex API to send a message to a specific room. They have the room ID. Which endpoint and method should they use?

Accepted Answer

POST /v1/messages with roomId in the body. To send a message to a Webex room, the correct endpoint is POST /v1/messages with roomId in the body.

Answer

PUT /v1/messages/{messageId}

Answer

POST /v1/rooms with roomId in the body

Answer

GET /v1/messages?roomId=...

Question 7

A network engineer is using Cisco IOS XE RESTCONF to retrieve the hostname of a device. The device has already enabled netconf-yang and restconf. Which URL path should be used?

Accepted Answer

/restconf/data/Cisco-IOS-XE-native:native/hostname. The hostname is under Cisco-IOS-XE-native:native/hostname in the YANG model. RESTCONF uses the module name and path.

Answer

/restconf/data/hostname

Answer

/restconf/operations/hostname

Answer

/restconf/config/Cisco-IOS-XE-native:native/hostname

Question 8

A developer wants to receive real-time notifications when a new message is posted in a Webex room. Which Webex API resource should they use?

Accepted Answer

Webhooks. Webhooks provide real-time HTTP callbacks triggered by events in Webex, such as a new message being posted. By registering a webhook on the 'messages' resource with the 'created' event, the developer's server receives a POST request immediately when a message is sent, eliminating the need for polling.

Answer

Memberships API

Answer

Rooms API

Answer

Messages API polling

Question 9

An organization uses Cisco DNA Center and wants to programmatically deploy a configuration template to multiple devices. Which API category should be used?

Accepted Answer

Change your network. The 'change your network' category includes template deployment, plug and play, etc.

Answer

Platform

Answer

Run your network

Answer

Know your network

Question 10

A developer is working with Meraki API to list all clients on a network. The response is paginated. Which parameter allows the developer to specify the starting point for the next page?

Accepted Answer

startingAfter. Meraki uses startingAfter and endingBefore parameters for cursor-based pagination.

Answer

nextToken

Answer

page

Answer

offset

Question 11

Which Cisco platform provides a cloud-managed dashboard with a REST API that uses an API key in the header and has a rate limit of 5 requests per second?

Accepted Answer

Cisco Meraki. Meraki is a cloud-managed platform with the described API characteristics.

Answer

Cisco Webex

Answer

Cisco DNA Center

Answer

Cisco IOS XE

Question 12

A developer wants to use Cisco NX-API on a Nexus switch to execute a CLI command via JSON. What must be enabled on the switch first?

Accepted Answer

feature nxapi. The 'feature nxapi' command enables NX-API on NX-OS.

Answer

ip http server

Answer

netconf-yang

Answer

restconf

Question 13

An engineer is exploring YANG models for network interfaces. They need a vendor-neutral model that can be used across multiple device types. Which YANG model should they use?

Accepted Answer

OpenConfig interfaces. OpenConfig models are vendor-neutral, while Cisco native models are vendor-specific.

Answer

ietf-interfaces

Answer

Cisco-NX-OS-device

Answer

Cisco-IOS-XE-native

Question 14

A developer needs to retrieve the current user's details from Webex API. Which endpoint should they call?

Accepted Answer

GET /v1/people/me. GET /v1/people/me returns details of the authenticated user.

Answer

GET /v1/rooms?me=true

Answer

POST /v1/people

Answer

GET /v1/people?email=current@user.com

Question 15

Which Cisco DNA Center API is used to retrieve a list of network devices?

Accepted Answer

GET /dna/intent/api/v1/network-device. GET /dna/intent/api/v1/network-device returns the device inventory.

Answer

GET /dna/intent/api/v1/topology

Answer

GET /dna/intent/api/v1/issue

Answer

GET /dna/intent/api/v1/site