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200-301 exam dumps: questions 501 to 503 of 503

Page 6 of the free 200-301 question bank for the Cisco Certified Network Associate exam. Questions 501 to 503 are listed below, the first 3 in full with answers and explanations. Back to page 1 for the exam overview and FAQ.

Question bank last updated April 2025

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Free 200-301 practice questions

Questions 503 to 505 of 503

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200-301 Question 503

Select 3

You are troubleshooting an API call that returns the following JSON data:

{ "device": { "hostname": "Router1", "interfaces": [ { "name": "GigabitEthernet0/1", "status": "up" }, { "name": "GigabitEthernet0/2", "status": "down" } ] } }

Which of the following statements correctly identifies components of this JSON-encoded data?

A
"device" is a JSON object.
B
"interfaces" is a JSON array.
C
"status" is a JSON object.
D
"hostname" is a JSON key with a string value.
E
"name" is a JSON array.

Show answer and explanation

Correct answers: A, B, D

Explanation

JSON data is structured with key-value pairs, objects (enclosed in curly braces), arrays (enclosed in square brackets), and primitive values like strings, numbers, and booleans. In this scenario, "device" is a JSON object containing nested data, "interfaces" is a JSON array containing multiple objects, and "hostname" is a JSON key with a string value. Understanding how to identify these components is crucial for interpreting JSON data in network automation and API interactions.

A. Correct.
Correct: The key "device" contains a set of key-value pairs enclosed within curly braces, making it a JSON object.
B. Correct.
Correct: The key "interfaces" contains multiple objects enclosed in square brackets, making it a JSON array.
C. Incorrect.
Incorrect: The key "status" contains a string value ("up" or "down"), not a set of key-value pairs, so it is not a JSON object.
D. Correct.
Correct: The key "hostname" contains a single string value ("Router1"), making it a JSON key with a string value.
E. Incorrect.
Incorrect: The key "name" contains a string value (e.g., "GigabitEthernet0/1"), not an array, so it is not a JSON array.

200-301 Question 504

Select 3

You are working with a network automation script that retrieves JSON data from a RESTful API. Below is a snippet of the JSON response:

{ "device": { "hostname": "Router1", "interfaces": [ { "name": "GigabitEthernet0/0", "status": "up", "ip_address": "192.168.1.1" }, { "name": "GigabitEthernet0/1", "status": "down", "ip_address": "192.168.1.2" } ] } }

Which of the following statements correctly identifies a component or structure of this JSON data?

A
"device" is an object.
B
"interfaces" is an array.
C
"name" is a key within the "interfaces" array.
D
"192.168.1.1" is a key within the "interfaces" array.

Show answer and explanation

Correct answers: A, B, C

Explanation

In JSON, data is structured using objects, arrays, keys, and values. Objects are enclosed in curly braces {}, arrays in square brackets [], and key-value pairs are used to represent data relationships. Understanding these components is crucial for interpreting and working with JSON data.

A. Correct.
"device" is an object because it contains key-value pairs enclosed in curly braces {}.
B. Correct.
"interfaces" is an array because it is enclosed in square brackets [] and contains multiple objects.
C. Correct.
"name" is a key within the "interfaces" array, as it is defined inside each object in the array.
D. Incorrect.
"192.168.1.1" is not a key but a value associated with the "ip_address" key within the objects in the "interfaces" array.

200-301 Question 505

Select 3

You are troubleshooting an API response from a web server that provides JSON-encoded data. The response contains the following JSON object:

{ "device": { "hostname": "Router1", "interfaces": [ {"name": "GigabitEthernet0/1", "status": "up"}, {"name": "GigabitEthernet0/2", "status": "down"} ] } }

Which of the following statements about the JSON structure are correct?

A
The value of the key 'hostname' is a string.
B
The 'interfaces' key holds a JSON object.
C
The JSON structure is invalid because it contains an array.
D
The 'device' key holds another JSON object.
E
Each item in the 'interfaces' array is a JSON object.

Show answer and explanation

Correct answers: A, D, E

Explanation

In JSON, data is represented in key-value pairs, with values being strings, numbers, objects, arrays, or other valid JSON types. The provided JSON structure is valid and follows the correct syntax. The key 'hostname' holds a string, 'device' holds a JSON object, and 'interfaces' is an array of JSON objects.

A. Correct.
Correct. The value of 'hostname' is clearly a string, as it is enclosed in double quotes.
B. Incorrect.
Incorrect. The 'interfaces' key holds an array, not a JSON object. Arrays in JSON are enclosed in square brackets.
C. Incorrect.
Incorrect. The JSON structure is valid. Arrays are a standard data type in JSON and are properly used in this example.
D. Correct.
Correct. The 'device' key holds another JSON object, as indicated by the curly braces enclosing its value.
E. Correct.
Correct. Each item in the 'interfaces' array is a JSON object, as evidenced by the curly braces around the key-value pairs within the array.

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200-301 practice questions 501 to 503 of 503

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