6.7 Recognize Components of JSON-encoded Data 200-301 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which JSON data type is represented by the value `true`?

   • ABoolean
   • BNull
   • CNumber
   • DString
   Reveal Solution Discussion Select an answer first
2. 7expert · hard

   A network engineer is writing a script to parse a JSON response from a network device. The response contains a top-level object with a 'vlans' key that holds an array of VLAN objects. Each VLAN object has an 'id' and a 'name'. Which code snippet correctly extracts the name of the VLAN with id 10?

   • Adata['vlans'][10]['name']
   • Bdata['vlans'][0]['name']
   • Cnext(vlan['name'] for vlan in data['vlans'] if vlan['id'] == 10)
   • Ddata['vlans']['name'][10]
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   A monitoring system returns the following JSON for a router: {"router": {"name": "R1", "interfaces": [{"name": "G0/0", "status": "up"}, {"name": "G0/1", "status": "down"}]}}. How would a script access the status of the second interface?

   • Adata["router"]["interfaces"][1]["status"]
   • Bdata["router"]["interfaces"]["status"]
   • Cdata["interfaces"][1]["status"]
   • Ddata["router"]["interfaces"][0]["status"]
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   Which of the following correctly describes a nested JSON structure?

   • AA string that contains JSON-encoded text.
   • BA key that is repeated multiple times within the same object.
   • CAn object that contains another object or array as a value.
   • DAn array that contains only strings and numbers.
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   Why is it important for JSON data to follow strict formatting rules?

   • AIt makes the data human-readable, which is the primary purpose of JSON.
   • BIt allows parsers to reliably interpret the data without ambiguity.
   • CIt ensures that JSON can be converted to XML without errors.
   • DIt reduces the file size of the JSON data.
   Reveal Solution Discussion Select an answer first