200-901 Cisco Platforms and Development Practice Test 6 — 15 Questions

Question 1

Which TWO statements about Cisco Meraki API pagination are correct? (Choose two.)

Accepted Answer

The startingAfter parameter specifies the ID of the last item to start after.. Meraki uses Link header for pagination and supports startingAfter/endingBefore parameters.

Answer

The perPage parameter is not supported.

Answer

Pagination is not required because all data is returned in one call.

Answer

Meraki uses page number parameter for pagination.

Question 2

Which TWO of the following are categories of Cisco DNA Center APIs? (Choose two.)

Accepted Answer

Run your network. DNA Center API categories include 'Know your network', 'Run your network', 'Change your network', and 'Platform'.

Answer

Automate your network

Answer

Secure your network

Answer

Monitor your network

Question 3

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

Accepted Answer

Basic Authentication to /dna/system/api/v1/auth/token. Cisco DNA Center uses Basic Authentication to authenticate to the /dna/system/api/v1/auth/token endpoint, which returns a token for subsequent API calls.

Answer

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

Answer

Bearer token passed directly in the first request

Answer

OAuth 2.0 with client credentials grant

Question 4

A developer is using the Meraki Dashboard API to retrieve a list of devices in an organization. The API response is paginated. Which HTTP header does Meraki use to indicate the next page of results?

Accepted Answer

Link. Meraki uses the Link header with rel="next" for pagination, or alternatively the startingAfter/endingBefore parameters.

Answer

X-Cisco-Meraki-API-Key

Answer

Retry-After

Answer

X-Next-Page

Question 5

A Webex bot needs to send a message to a room. The bot has the room ID. Which API endpoint should be used, and what is the correct HTTP method?

Accepted Answer

POST /v1/messages. To send a message to a Webex room, use POST /v1/messages with the roomId parameter.

Answer

PUT /v1/messages/{messageId}

Answer

GET /v1/messages

Answer

POST /v1/rooms

Question 6

Which API is used to execute CLI commands on Cisco IOS XE devices using on-device programmability?

Accepted Answer

RESTCONF. RESTCONF is a RESTful API that uses HTTP methods to access structured data defined in YANG models, and on Cisco IOS XE devices, it can be used to execute CLI commands via the 'cli' YANG data model. This allows programmatic execution of CLI commands without requiring an interactive SSH session, making it the correct choice for on-device programmability.

Answer

DNA Center API

Answer

Meraki Dashboard API

Answer

Webex API

Question 7

A developer is using the NX-API on a Cisco Nexus switch to retrieve the configuration. The developer sends a POST request to /ins with a JSON payload. Which HTTP method and path are correct?

Accepted Answer

POST /ins. NX-API uses POST to /ins with a JSON or XML payload containing the CLI commands.

Answer

PUT /restconf/data

Answer

POST /api/v1/exec

Answer

GET /ins

Question 8

In DNA Center, which API endpoint is used to retrieve a list of current network issues?

Accepted Answer

GET /dna/intent/api/v1/issues. DNA Center's issues API is at /dna/intent/api/v1/issues.

Answer

GET /dna/intent/api/v1/topology

Answer

POST /dna/system/api/v1/auth/token

Answer

GET /dna/intent/api/v1/network-device

Question 9

Which tool can be used to explore YANG models locally?

Accepted Answer

pyang. pyang is a tool for validating and converting YANG models.

Answer

yangcatalog.org

Answer

Cisco DevNet sandbox

Answer

Postman

Question 10

A developer needs to register a Webex webhook that triggers when a new message is posted in any room the bot is a member of. Which resource and event should be specified?

Accepted Answer

resource: 'messages', event: 'created'. To listen for new messages in any room the bot is in, use the 'messages' resource and 'created' event.

Answer

resource: 'rooms', event: 'created'

Answer

resource: 'messages', event: 'updated'

Answer

resource: 'memberships', event: 'created'

Question 11

A Meraki API request is receiving HTTP 429 responses. According to the Meraki rate limit, what should the developer do?

Accepted Answer

Reduce the number of concurrent requests and wait for the Retry-After header value.. Meraki returns 429 with a Retry-After header indicating the number of seconds to wait.

Answer

Switch to the DNA Center API.

Answer

Use a different API key.

Answer

Immediately retry the request without delay.

Question 12

Which EEM applet action is used to execute a CLI command when an event triggers?

Accepted Answer

action 1.0 cli command "...". EEM uses 'action' with a sequence number and 'cli' keyword to execute commands.

Answer

action 1.0 event "..."

Answer

action 1.0 set 1.0 "..."

Answer

action 1.0 syslog msg "..."

Question 13

In DNA Center, which API category is used to deploy templates to devices?

Accepted Answer

Change your network. The 'Change your network' API category in Cisco DNA Center is specifically designed for network configuration and provisioning tasks, including deploying templates to devices. This category encompasses APIs that push configuration changes, such as applying CLI templates via the Template Programmer (formerly Template Editor) or provisioning new network settings, directly aligning with the action of deploying templates to network devices.

Answer

Platform

Answer

Know your network

Answer

Run your network

Question 14

A developer needs to retrieve the hostname of a Cisco IOS XE device using RESTCONF. Which URI path is correct?

Accepted Answer

/restconf/data/Cisco-IOS-XE-native:native/hostname. RESTCONF uses the YANG module namespace. The native hostname is at /restconf/data/Cisco-IOS-XE-native:native/hostname.

Answer

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

Answer

/api/v1/device/hostname

Answer

/restconf/data/hostname

Question 15

A developer is using the Meraki Dashboard API to list all networks in an organization. Which TWO of the following are valid methods for pagination?

Accepted Answer

startingAfter and endingBefore parameters. Meraki supports Link header with rel="next" and the startingAfter/endingBefore parameters for pagination.

Answer

offset and limit parameters

Answer

X-Next-Page header

Answer

page and perPage parameters