300-920 Exam Guide, Objectives & Preparation

Exam Overview

Exam Code	300-920
Exam Name	Developing Applications for Cisco Webex and Webex Devices
Vendor	Cisco
Total Questions	60
Last Updated	26-Oct, 2026

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Free 300-920 Practice Questions

Explore 3 free practice questions for the Cisco 300-920 exam and review the answers and explanations to support your preparation.

Question 1
Single answer

Which REST API request is used to list all the Webex Room Kit devices within a large organization so that a new custom In-Room Control can be deployed on all the devices?
var request = require("request");
var options = { method: 'GET',
url: 'https://api.ciscospark.com/v1/devices',
qs: { product: 'Roomkit' },
headers:
{ 'Content Type': 'application/json',
Authorization: 'Bearer Yz6FgoWx7Pgb57C9z' }};

request(options, function(error, reponse, body) {
if (error) throw new Error(error);
console.log(body);
});
var request = require("request");
var options = { method: 'GET',
url: 'https://api.ciscospark.com/v1/devices',
qs: { product: 'Roomkit', placeID: 'Yzb60gRx3kBq5iB2w' },
headers:
{ 'Content Type': 'application/json',
Authorization: 'Bearer Yz6FgoWx7Pgb57C9z' }};

request(options, function(error, reponse, body) {
if (error) throw new Error(error);
console.log(body);
});
var request = require("request");
var options = { method: 'GET',
url: 'https://api.ciscospark.com/v1/devices/Yzb60gRx3kBq5iB2w',
qs: { deviceName: 'Roomkit' },
headers:
{ 'Content Type': 'application/json',
Authorization: 'Bearer Yz6FgoWx7Pgb57C9z' }};

request(options, function(error, reponse, body) {
if (error) throw new Error(error);
console.log(body);
});
var request = require("request");
var options = { method: 'GET',
url: 'https://api.ciscospark.com/v1/devices',
qs: { upgradeChannel: 'Roomkit' },
headers:
{ 'Content Type': 'application/json',
Authorization: 'Bearer Yz6FgoWx7Pgb57C9z' }};

request(options, function(error, reponse, body) {
if (error) throw new Error(error);
console.log(body);
});
- Option A:
  Option A
  Correct
- Option B:
  Option B
  Correct
- Option C:
  Option C
  Correct
- Option D:
  Option D
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A

Explanation

The qs: option is required to list all roomkit devices. Product: ‘RoomKit’ is the correct option because it will list all roomkit devices.
Question 2
Single answer

Which expression is a valid Webex Teams webhook filter?
- Option A:
  personEmail=person@example.com+roomId=abc123
  Correct
- Option B:
  personEmail=person@example.com-roomId=abc123
  Correct
- Option C:
  personEmail=person@example.com&roomId=abc123
  Correct
- Option D:
  personEmail=person@example.com,roomId=abc123
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: C

Explanation

You can also use more than one filter in a webhook. To use multiple filters, combine them with the “&” symbol. For example, to create a webhook that only sends notifications when a specific person performs an action in a specific room, such as sending a message or creating a membership, combine the personEmail and roomId filters. Reference:
Question 3
Single answer

A developer must construct an HTTP Request to use the XML API to set a Personal Meeting Room PIN for a given user. Which code completes the code to create the request?
- Option A:
  xmlhttp.open(“GET”, “https://cisco.webex.com/WBXService/XMLService”);
  Correct
- Option B:
  xmlhttp.open(“PATCH”, “https://cisco.webex.com/WBXService/XMLService”)
  Correct
- Option C:
  . xmlhttp.open(“PUT”, “https://cisco.webex.com/WBXService/XMLService”);
  Correct
- Option D:
  xmlhttp.open(“POST”, “https://cisco.webex.com/WBXService/XMLService”);
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A

Explanation

The post method can be used for HTTP request that sets up a personal metting room PIN for a user.

Free 300-920 Practice Questions

Question 1

Which REST API request is used to list all the Webex Room Kit devices within a large organization so that a new custom In-Room Control can be deployed on all the devices?

var request = require("request");

var options = { method: 'GET',

url: 'https://api.ciscospark.com/v1/devices',

qs: { product: 'Roomkit' },

headers:

{ 'Content Type': 'application/json',

Authorization: 'Bearer Yz6FgoWx7Pgb57C9z' }};

request(options, function(error, reponse, body) {

if (error) throw new Error(error);

console.log(body);

});

var request = require("request");

var options = { method: 'GET',

url: 'https://api.ciscospark.com/v1/devices',

qs: { product: 'Roomkit', placeID: 'Yzb60gRx3kBq5iB2w' },

headers:

{ 'Content Type': 'application/json',

Authorization: 'Bearer Yz6FgoWx7Pgb57C9z' }};

request(options, function(error, reponse, body) {

if (error) throw new Error(error);

console.log(body);

});

var request = require("request");

var options = { method: 'GET',

url: 'https://api.ciscospark.com/v1/devices/Yzb60gRx3kBq5iB2w',

qs: { deviceName: 'Roomkit' },

headers:

{ 'Content Type': 'application/json',

Authorization: 'Bearer Yz6FgoWx7Pgb57C9z' }};

request(options, function(error, reponse, body) {

if (error) throw new Error(error);

console.log(body);

});

var request = require("request");

var options = { method: 'GET',

url: 'https://api.ciscospark.com/v1/devices',

qs: { upgradeChannel: 'Roomkit' },

headers:

{ 'Content Type': 'application/json',

Authorization: 'Bearer Yz6FgoWx7Pgb57C9z' }};

request(options, function(error, reponse, body) {

if (error) throw new Error(error);

console.log(body);

});

Option A

Option B

Option C

Option D

The qs: option is required to list all roomkit devices. Product: ‘RoomKit’ is the correct option because it will list all roomkit devices.

Question 2

Which expression is a valid Webex Teams webhook filter?

personEmail=person@example.com+roomId=abc123

personEmail=person@example.com-roomId=abc123

personEmail=person@example.com&roomId=abc123

personEmail=person@example.com,roomId=abc123

Question 3

A developer must construct an HTTP Request to use the XML API to set a Personal Meeting Room PIN for a given user. Which code completes the code to create the request?

xmlhttp.open(“GET”, “https://cisco.webex.com/WBXService/XMLService”);

xmlhttp.open(“PATCH”, “https://cisco.webex.com/WBXService/XMLService”)

. xmlhttp.open(“PUT”, “https://cisco.webex.com/WBXService/XMLService”);

xmlhttp.open(“POST”, “https://cisco.webex.com/WBXService/XMLService”);

The post method can be used for HTTP request that sets up a personal metting room PIN for a user.