Question 1mediummatching
Full question →Match each JSON term to its most accurate meaning.
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mediummatchingObjective-mapped
Match each JSON term to its most accurate meaning.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A common exam trap is confusing JSON objects with arrays or misunderstanding keys and values. Candidates might incorrectly think an array is a key or that a value can contain multiple keys directly. This confusion leads to mismatched answers because JSON syntax strictly defines keys as strings, values as data associated with keys, objects as collections of key-value pairs, and arrays as ordered lists. Misinterpreting these can cause errors when reading API payloads or automation scripts, which is critical for Cisco network programmability tasks.
Technical deep dive
How to think about this question
JSON (JavaScript Object Notation) is a lightweight data-interchange format widely used in network automation and programmability, especially in Cisco environments where APIs exchange configuration and operational data. The core building blocks of JSON are keys, values, objects, and arrays. A key is always a string that names a data field, while a value is the data assigned to that key, which can be a string, number, boolean, null, object, or array. Objects are collections of key-value pairs enclosed in curly braces, representing structured data entities. Arrays are ordered lists of values enclosed in square brackets, allowing multiple items to be grouped logically. Understanding these components is essential when interpreting JSON payloads in Cisco automation tasks, such as RESTCONF or NETCONF API responses. The decision process involves recognizing that keys identify data fields, values provide the content, objects group related data fields, and arrays organize multiple items sequentially. This structure enables efficient parsing and manipulation of network data, such as interface configurations or routing information, by automation tools. Correctly matching JSON terms to their meanings ensures accurate comprehension of network programmability concepts tested in the CCNA exam. A frequent exam trap is mistaking arrays for objects or confusing keys with values, which leads to incorrect interpretation of JSON data structures. In practical Cisco networking, misreading JSON can cause automation scripts to fail or apply incorrect configurations. For example, treating an array as a single key-value pair can disrupt data parsing in a REST API call. Recognizing the distinct roles of keys, values, objects, and arrays helps avoid these pitfalls and supports reliable network automation and programmability, a critical skill for CCNA candidates focusing on modern Cisco technologies.
KKey Concepts to Remember
- A JSON key is always a string that names a specific data field within an object and is enclosed in double quotes.
- A JSON value is the data associated with a key and can be a string, number, boolean, null, object, or array.
- A JSON object groups related key-value pairs inside curly braces, representing structured data entities.
- A JSON array is an ordered list of values enclosed in square brackets, allowing multiple items to be stored sequentially.
- In Cisco network automation, JSON objects represent configuration or state data, while arrays handle lists such as interfaces or routes.
- Correctly identifying JSON keys and values is essential for parsing API payloads used in Cisco programmability tasks.
- Misinterpreting JSON arrays as objects or keys as values leads to errors in automation scripts and exam answers.
- JSON structure understanding supports accurate reading and manipulation of network data in Cisco automation and programmability.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A router learns the same prefix from both OSPF and EIGRP. Which route is installed by default?
Question 2
A router shows this output: R1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.1.1.2 1 FULL/DR 00:00:34 192.168.12.2 GigabitEthernet0/0 10.1.1.3 1 2WAY/DROTHER 00:00:39 192.168.12.3 GigabitEthernet0/0 Which statement is correct?
Question 3
What is the OSPF metric called?
Question 4
A non-root switch has two uplinks toward the root bridge. One path has a lower total STP cost than the other. What role will the lower-cost uplink have?
Question 5
A router interface applies this ACL inbound: 10 deny tcp any any eq 80 20 permit ip any any A user reports that web browsing to a server by IP address fails, but ping works. Which statement best explains the behavior?
Question 6
A router learns route 198.51.100.0/24 from OSPF with AD 110 and also has a static route to the same prefix configured with AD 150. Which route is installed?
FAQ
Questions learners often ask
What does this 200-301 question test?
A JSON key is always a string that names a specific data field within an object and is enclosed in double quotes.
What exam trap should I watch out for?
Common exam trap: answer the scenario, not the keyword: A common exam trap is confusing JSON objects with arrays or misunderstanding keys and values. Candidates might incorrectly think an array is a key or that a value can contain multiple keys directly. This confusion leads to mismatched answers because JSON syntax strictly defines keys as strings, values as data associated with keys, objects as collections of key-value pairs, and arrays as ordered lists. Misinterpreting these can cause errors when reading API payloads or automation scripts, which is critical for Cisco network programmability tasks.
What should I do if I get this 200-301 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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