Courseiva
← 200-301
Full test
easymultiple choiceObjective-mapped

Which statement accurately describes JSON?

Question 1easymultiple choice
Full question →

Which statement accurately describes JSON?

Full question →

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Distractor review

It uses angle brackets to define nested elements

Angle brackets are associated with XML, not JSON.

B

Best answer

It represents data with key-value pairs and arrays

Correct. Key-value pairs and arrays are core JSON structures.

C

Distractor review

It is a routing protocol for controller communication

JSON is a data format, not a routing protocol.

D

Distractor review

It can be parsed only by Cisco devices

JSON is vendor-neutral and broadly supported.

Common exam trap

Common exam trap: answer the scenario, not the keyword

A frequent exam trap is selecting answers that confuse JSON with XML or network protocols. For example, the option stating JSON uses angle brackets is incorrect because that syntax belongs to XML, not JSON. Another trap is thinking JSON is a routing protocol or proprietary to Cisco devices, which it is not. JSON is a vendor-neutral, text-based data format used for representing structured data with key-value pairs and arrays. Misunderstanding these distinctions can lead to incorrect answers, especially under time pressure, so recognizing JSON’s role as a data format rather than a protocol or markup language is essential.

Technical deep dive

How to think about this question

JSON, or JavaScript Object Notation, is a lightweight data-interchange format widely used in network automation and programmability, including Cisco environments. It represents data structures using key-value pairs and arrays, making it easy to read and write for both humans and machines. JSON's syntax is text-based and language-independent, which allows seamless integration with various programming languages and APIs commonly used in network automation workflows. In the context of Cisco networking and the CCNA exam, understanding JSON is crucial because it is often the format used to exchange configuration data, telemetry, and operational information between network devices and management systems. JSON structures data as objects with keys and values, and arrays to hold ordered lists, enabling flexible and hierarchical data representation. This format contrasts with XML, which uses angle brackets and is more verbose, and is not a routing protocol or vendor-specific technology. A common exam trap is confusing JSON with XML or mistaking it for a network protocol. JSON does not use angle brackets; that is a hallmark of XML. Additionally, JSON is not a routing protocol or limited to Cisco devices—it is a universal data format. In practical Cisco network automation, JSON enables programmability by allowing scripts and tools to parse and manipulate device data efficiently, supporting tasks such as configuration management, state monitoring, and integration with controller platforms.

KKey Concepts to Remember

  • JSON represents data using key-value pairs and arrays, enabling structured and hierarchical information exchange in network automation.
  • Cisco network automation tools commonly use JSON to parse and manipulate device configurations and telemetry data efficiently.
  • JSON syntax is text-based and language-independent, allowing interoperability across different programming languages and network management systems.
  • JSON does not use angle brackets; that syntax is specific to XML, which is a different data format.
  • JSON is not a routing protocol and does not perform any network control or communication functions.
  • JSON is vendor-neutral and widely supported across Cisco and non-Cisco devices for automation and programmability tasks.
  • Understanding JSON’s structure helps network engineers interpret API responses and automate device management in Cisco environments.
  • Confusing JSON with XML or proprietary protocols is a common exam mistake that can be avoided by focusing on JSON’s data representation role.

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.

Related practice questions

Related 200-301 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

CCNA subnetting practice questions

Practise IPv4 subnetting, CIDR, masks, host ranges and subnet selection.

CCNA OSPF practice questions

Practise OSPF neighbours, router IDs, metrics, areas and routing-table interpretation.

CCNA VLAN practice questions

Practise VLANs, access ports, trunks, allowed VLANs and switching scenarios.

CCNA STP practice questions

Practise spanning tree, root bridge election, port roles and STP troubleshooting.

CCNA EtherChannel practice questions

Practise LACP, PAgP, port-channel behaviour and bundle requirements.

CCNA ACL practice questions

Practise standard and extended ACLs, permit/deny logic and traffic filtering.

CCNA NAT practice questions

Practise static NAT, dynamic NAT, PAT and inside/outside address translation.

CCNA DHCP practice questions

Practise DHCP scopes, relay, leases and troubleshooting.

CCNA show ip route practice questions

Practise routing-table output, longest-prefix match, AD and route selection.

CCNA show interfaces trunk practice questions

Practise trunk verification and VLAN forwarding across switches.

CCNA wireless security practice questions

Practise WLAN security, authentication and wireless architecture concepts.

CCNA IPv6 practice questions

Practise IPv6 addressing, routes, neighbour discovery and common IPv6 exam traps.

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?

JSON represents data using key-value pairs and arrays, enabling structured and hierarchical information exchange in network automation.

What is the correct answer to this question?

The correct answer is: It represents data with key-value pairs and arrays — JSON is a lightweight data-interchange format that commonly represents information using objects made of key-value pairs and arrays. It is widely used in APIs and automation workflows.

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.

Discussion

Loading comments…

Sign in to join the discussion.