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Cisco Platforms and Development

Practise Cisco DevNet Associate 200-901 Cisco Platforms and Development practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

121 questions29 easy60 medium32 hard

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What to know about Cisco Platforms and Development

Cisco Platforms and Development questions test whether you can apply the concept in context, not just recognise a definition.

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Common Cisco Platforms and Development exam traps

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  • Missing a constraint such as cost, availability, security, scope or command context.
  • Choosing a broad answer when the question asks for the most specific fix.
  • Ignoring why the wrong options are tempting.

Question index

All Cisco Platforms and Development questions (121)

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1

An application uses Cisco DNA Center APIs and needs to receive notifications when a new device is added. Which DNA Center API category should be used to set up event-driven notifications?

Medium
2

An application sends many requests to the Meraki API and receives HTTP 429 errors. The response includes a 'Retry-After' header. What does this status code indicate?

Medium
3

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?

Medium
4

Which tool can be used to explore YANG models locally?

Easy
5

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

Easy
6

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.

Hard
7

A developer is using the Meraki Dashboard API to list all organizations. The base URL is https://api.meraki.com/api/v1/. What is the correct endpoint and authentication method?

Medium
8

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

Medium
9

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

Easy
10

A developer is integrating with Cisco Webex Teams. Which two resources can trigger a webhook?

Medium
11

An engineer wants to trigger an EEM applet when a specific syslog message appears. Which event detector should be used?

Hard
12

A network engineer is using Cisco DNA Center to automate network changes. Which THREE operations are part of the 'Change your network' API category? (Choose three.)

Hard
13

A developer is using the Meraki Dashboard API to retrieve a list of clients for a network. After a successful request, the response includes a Link header with rel="next" pointing to the next page. What does this indicate about the API's pagination?

Hard
14

An application needs to authenticate to Cisco DNA Center. Which authentication method is used?

Medium
15

An engineer is configuring Cisco IOS XE for RESTCONF programmability. Which configuration is necessary to enable the RESTCONF API?

Hard
16

A network engineer wants to retrieve a list of all network devices from Cisco DNA Center using REST API. Which URL and HTTP method should be used?

Easy
17

A developer is automating network configuration using Cisco DNA Center. They want to deploy a configuration template to multiple devices. Which API category should they use?

Medium
18

When making API calls to Cisco Meraki Dashboard, what header must be included for authentication?

Medium
19

An engineer is configuring IOS XE for RESTCONF. Which YANG module must be enabled to use RESTCONF?

Medium
20

A Meraki dashboard API request to list networks returns a paginated response. The engineer notices a Link header in the response. What does this header typically contain?

Medium
21

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

Hard
22

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?

Medium
23

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.)

Medium
24

A developer is building an integration with Cisco Meraki and needs to handle rate limiting. Which two responses indicate rate limiting and how should they be handled? (Choose two.)

Medium
25

Which YANG model is commonly used as an open standard for interface configuration and is supported by many vendors?

Easy
26

A developer wants to retrieve a list of all network devices from Cisco DNA Center. Which API endpoint should they use?

Easy
27

A developer is working with the Meraki Dashboard API to manage SSIDs. Which TWO statements about pagination are correct? (Choose two.)

Medium
28

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.)

Hard
29

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?

Easy
30

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.)

Medium
31

When using the Meraki Dashboard API, what HTTP header is used to pass the API key?

Easy
32

A developer wants to use the Cisco Webex API to send a message to a specific person by email. Which parameter should be used in the POST /v1/messages request?

Medium
33

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

Easy
34

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?

Easy
35

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?

Easy
36

A developer wants to get the current user's information from the Webex API. Which endpoint should they use?

Easy
37

A developer needs to retrieve a list of all network devices from Cisco DNA Center. Which API endpoint and HTTP method should be used?

Easy
38

Which three actions can an EEM applet perform when triggered? (Choose three.)

Hard
39

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?

Easy
40

A developer is using the Meraki Dashboard API to retrieve a list of clients for a network. The API returns a 429 error. What should the developer do to handle this correctly?

Hard
41

In Cisco DNA Center, which API category includes the ability to deploy a configuration template to devices?

Hard
42

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?

Hard
43

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

Medium
44

A developer needs to send a message to a Webex room using the API. Which HTTP method and endpoint should they use?

Easy
45

Which two Meraki Dashboard API features are used to paginate through large result sets? (Choose two.)

Medium
46

Which authentication method is used by the Cisco Meraki Dashboard API?

Medium
47

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?

Hard
48

An engineer is configuring Cisco IOS XE device programmability using RESTCONF. Which THREE of the following are required to enable and use RESTCONF on the device?

Medium
49

A network engineer is planning to use model-driven programmability with YANG models. Which three statements about YANG models are correct?

Hard
50

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?

Hard
51

A developer is using the Meraki Dashboard API and receives an HTTP 429 status code with a Retry-After header. What is the correct interpretation?

Hard
52

Which TWO of the following are features of the DNA Center 'Platform' API category?

Hard
53

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?

Medium
54

Using the Cisco DNA Center API, which endpoint should be queried to retrieve the Layer 2 topology for a specific VLAN?

Easy
55

A developer wants to retrieve the current user's Webex profile information. Which API endpoint should be called?

Medium
56

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?

Medium
57

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?

Medium
58

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

Medium
59

Which Meraki API response header provides information for paginating through a large result set?

Easy
60

An engineer is using EEM on an IOS XE device. They want to trigger an applet when a specific syslog message appears. Which event trigger type should they use?

Hard
61

An application uses the Meraki Dashboard API to fetch the list of networks for an organization. The API response includes a Link header with rel='next' pointing to the next page. Which pagination method is the API using?

Medium
62

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?

Hard
63

Which THREE of the following are valid event triggers for an EEM applet on Cisco IOS XE? (Choose THREE.)

Medium
64

Which three components are required to set up a Webex webhook for message creation events? (Choose three.)

Hard
65

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?

Hard
66

When using RESTCONF on Cisco IOS XE, which URL retrieves the hostname configuration?

Medium
67

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

Easy
68

A network engineer needs to retrieve a list of all network devices from Cisco DNA Center. Which API endpoint should they use?

Easy
69

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

Medium
70

A developer wants to send a message to a Webex room using the API. Which HTTP method and endpoint should they use?

Easy
71

A developer wants to send a message to a Webex room using the API. The message should contain a simple text body. Which endpoint and parameter are required?

Medium
72

A developer wants to send a message to a specific room in Webex using the API. The developer already has the room ID. Which API call is correct?

Medium
73

A developer wants to use Cisco DNA Center to change the network configuration. Which TWO API categories provide capabilities to modify the network? (Choose two.)

Medium
74

A developer is building a chatbot that needs to send a direct message to a user on Webex. Which TWO fields are required in the POST /v1/messages request? (Choose TWO.)

Hard
75

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

Medium
76

Which Cisco platform provides a cloud-managed networking solution with a RESTful API that uses an API key in the X-Cisco-Meraki-API-Key header?

Easy
77

A developer is working with the Webex API to receive real-time notifications when a message is posted. Which resource should they create?

Hard
78

An administrator wants to receive real-time notifications when a new message is posted to a Webex room. Which Webex API resource should be used to configure this?

Medium
79

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

Easy
80

An engineer is developing an EEM applet on a Cisco IOS XE device to run a CLI command when a specific syslog message appears. Which event trigger should be used?

Hard
81

A network engineer is using Cisco IOS XE RESTCONF to retrieve the hostname of a device. The YANG module used is 'Cisco-IOS-XE-native'. Which URL path is correct?

Hard
82

A network engineer wants to use model-driven programmability on IOS XE devices. Which two YANG model types are commonly used? (Choose two.)

Hard
83

A developer is using the Cisco DNA Center API and receives a token. How is this token typically used in subsequent API requests?

Medium
84

A developer wants to retrieve the list of network devices from Cisco DNA Center. Which API endpoint should be used?

Easy
85

Which command enables the NX-API feature on a Cisco NX-OS device?

Medium
86

A developer is using the Meraki Dashboard API to list all networks in an organization. The response includes a Link header with rel="next". What does this indicate?

Medium
87

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

Medium
88

A network administrator wants to use Cisco Webex APIs to automate sending messages to a specific room. Which THREE pieces of information are required to send a message using POST /v1/messages?

Easy
89

Which authentication method does Cisco DNA Center use to obtain an API token?

Easy
90

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

Medium
91

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

Easy
92

An engineer needs to authenticate to the Cisco DNA Center API to obtain a token. What is the correct authentication method and endpoint?

Medium
93

A developer is using the Meraki Dashboard API to retrieve a list of clients for a given network. The initial GET request returns a 429 HTTP status. What should the developer do to handle this response appropriately?

Medium
94

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?

Medium
95

Which YANG model type is defined by industry standards and supported by multiple vendors, offering interoperability?

Easy
96

An engineer is using the Cisco Meraki Dashboard API to retrieve a list of all network clients for a specific network. Which TWO of the following are required to successfully make this API call?

Medium
97

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

Medium
98

Which Cisco platform provides an API to retrieve a list of issues affecting the network?

Medium
99

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

Hard
100

An administrator is automating the deployment of a new switch using Cisco DNA Center. Which API category should they use to provision the device with a configuration template?

Medium
101

A developer is exploring YANG models on yangcatalog.org. They want to find a standard model for interface configuration that is vendor-neutral. Which model should they look for?

Medium
102

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

Medium
103

A network administrator is using Cisco DNA Center APIs to automate network changes. Which two API categories are used to perform configuration deployments? (Choose two.)

Medium
104

A developer is using the Meraki Dashboard API to list all organizations. Which TWO of the following are true regarding pagination in the Meraki API? (Choose TWO.)

Medium
105

An application needs to retrieve all network clients from a specific Meraki network. The API response may be paginated. Which query parameters can be used to implement cursor-based pagination with the Meraki Dashboard API?

Hard
106

An administrator is configuring a Cisco Meraki Dashboard API integration. After receiving a 429 HTTP response, what header should be examined to determine when the request can be retried?

Medium
107

Which YANG model is an OpenConfig model commonly used for interface configuration?

Easy
108

Which YANG model is an OpenConfig model used for interface configuration?

Medium
109

An administrator needs to retrieve the hostname of an IOS XE device using RESTCONF. Which URL and data path should they use?

Medium
110

Which tool is used to explore and validate YANG models?

Easy
111

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?

Hard
112

When using the NX-API on Cisco NX-OS, which HTTP method is used to send CLI commands in JSON format?

Medium
113

Which NX-OS API method allows sending CLI commands in JSON format without enabling any additional features?

Medium
114

A network automation engineer is evaluating options for model-driven programmability on Cisco devices. Which THREE are valid YANG model sources or tools? (Choose three.)

Hard
115

A developer wants to create a Webex webhook that triggers when a new message is posted in any room the bot is in. Which resource event should they subscribe to?

Medium
116

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

Medium
117

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?

Hard
118

A developer needs to send a message to a specific room in Webex using the API. What is the correct endpoint and required body parameter for the room destination?

Hard
119

An EEM applet is triggered when a specific syslog message pattern appears. Which action should be used to send a custom syslog message?

Hard
120

A network automation engineer needs to retrieve the Layer 2 topology for a specific VLAN from Cisco DNA Center. Which API endpoint should be used?

Medium
121

A developer is building an application that interacts with the Webex API to create rooms and send messages. The application needs to receive real-time notifications when a new message is posted in any room. Which TWO actions should the developer take? (Choose two.)

Medium

Frequently asked questions

What does the Cisco Platforms and Development domain cover on the 200-901 exam?
Cisco Platforms and Development questions test whether you can apply the concept in context, not just recognise a definition.
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This page lists all 121 Cisco Platforms and Development questions in the 200-901 question bank. The actual exam draws from this domain proportionally to its weighting in the official exam blueprint.
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Start with a short focused session (10 questions) to identify gaps, then work through explanations. Repeat with a longer session once the weak areas feel solid.
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