200-901 Practice Test 50 — 15 Questions

Question 1

Which TWO of the following are valid query parameter-based pagination methods used in REST APIs? (Select two.)

Accepted Answer

Cursor-based (e.g., startingAfter). Offset/limit and cursor-based (e.g., startingAfter) are common. Page/per_page is similar to offset/limit. Link header is another method but not a query parameter.

Answer

Timestamp-based (e.g., since)

Answer

Link header with rel="next"

Answer

Page and per_page

Question 2

A developer is building an integration with Cisco Webex and needs to retrieve information about the authenticated user. Which TWO APIs can be used? (Choose two.)

Accepted Answer

GET /v1/people/me. GET /v1/people/me returns the current user. GET /v1/people with an email also returns user info. POST /v1/people is not valid.

Answer

GET /v1/rooms

Answer

GET /v1/memberships

Answer

POST /v1/people

Question 3

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 4

A developer wants to create a new room in Cisco Webex using the API. Which HTTP request is appropriate?

Accepted Answer

POST /v1/rooms. To create a new room, you must send a POST request to /v1/rooms with the room details in the body.

Answer

GET /v1/rooms

Answer

PUT /v1/rooms

Answer

DELETE /v1/rooms

Question 5

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 6

A developer is using the Meraki Dashboard API to manage networks. Which two statements about pagination are correct?

Accepted Answer

The startingAfter parameter is used for cursor-based pagination.. Meraki supports both LinkHeader and cursor-based pagination via startingAfter/endingBefore parameters.

Answer

Paginated responses include a 'total' field showing the total count.

Answer

The API returns a maximum of 10 items per page.

Answer

The perPage parameter is required for all requests.

Question 7

A developer is using NX-API on a Cisco Nexus switch to execute CLI commands via JSON. Which endpoint and method should be used?

Accepted Answer

POST /ins with JSON body. NX-API uses POST /ins with JSON payload containing CLI commands.

Answer

GET /restconf/data/Cisco-NX-OS-device:cli

Answer

POST /api/cli with XML body

Answer

GET /ins?cmd=show version

Question 8

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 9

In Cisco IOS XE, a network engineer wants to retrieve the hostname of a device using RESTCONF. Which URI and method should be used? Assume RESTCONF is enabled and the base URL is https://device/restconf.

Accepted Answer

GET /restconf/data/Cisco-IOS-XE-native:native/hostname. The hostname is part of the native YANG model. The correct path is /restconf/data/Cisco-IOS-XE-native:native/hostname with GET.

Answer

GET /restconf/data/hostname

Answer

GET /restconf/data/Cisco-IOS-XE-interfaces:interfaces

Answer

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

Question 10

Which Cisco platform uses NX-API to allow programmatic access to CLI commands via JSON?

Accepted Answer

Cisco NX-OS. NX-OS devices support NX-API for programmatic access.

Answer

Cisco Meraki

Answer

Cisco DNA Center

Answer

Cisco IOS XE

Question 11

A network administrator wants to use EEM on an IOS XE device to send a syslog message whenever a specific CLI command is entered. Which event detector should be used?

Accepted Answer

event cli match. EEM can trigger on CLI command entry using 'cli match' event.

Answer

event syslog pattern

Answer

event interface

Answer

event timer

Question 12

A network engineer wants to automate a configuration change on a Cisco IOS XE device when a specific syslog message appears. Which tool should they use?

Accepted Answer

EEM applet configured to match the syslog pattern and execute CLI commands. Embedded Event Manager (EEM) can trigger actions based on syslog patterns.

Answer

RESTCONF with a Python script polling the device

Answer

SNMP trap receiver

Answer

NETCONF with a YANG-based notification subscription

Question 13

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 14

What authentication method is required to obtain a token from Cisco DNA Center's API?

Accepted Answer

Basic Authentication (username:password base64 encoded) in Authorization header. Cisco DNA Center uses Basic Authentication over HTTPS to obtain a token via POST /dna/system/api/v1/auth/token.

Answer

Bearer token in Authorization header

Answer

API key in header X-API-Key

Answer

OAuth 2.0 client credentials grant

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