Question 1mediummatching
Full question →Match each controller or automation term to its most accurate description.
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mediummatchingObjective-mapped
Match each controller or automation term to its most accurate description.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A common exam trap is confusing the roles of northbound APIs and southbound APIs in network automation. Candidates often mistake the northbound API as the interface between the controller and network devices, but it actually connects the controller to external applications. Misunderstanding JSON as a protocol rather than a data format can also lead to errors. Additionally, confusing HTTPS as just a transport protocol without recognizing its role in securing API communications can cause incorrect answers. Recognizing each term’s distinct role in the automation architecture is crucial to avoid these pitfalls.
Technical deep dive
How to think about this question
In network automation, a controller acts as the centralized management platform that orchestrates and manages network devices and services. It abstracts the complexity of individual devices and provides a unified interface for automation tasks. The controller communicates with external applications through northbound APIs, which expose the controller’s capabilities and data to software applications, enabling programmability and integration with other systems. Northbound APIs typically use structured data formats like JSON to represent configuration and operational data in a standardized way. JSON is lightweight, human-readable, and widely supported, making it ideal for API payloads. The transport layer for these API communications is often HTTPS, which provides encryption and secure authentication to protect sensitive network management traffic from interception or tampering. Understanding these components is critical in Cisco’s automation context because the controller centralizes control, the northbound API enables programmability, JSON formats the data, and HTTPS secures the communication channel. Confusing any of these roles can lead to misconfigurations or security vulnerabilities in automated network environments. Practically, this architecture allows network engineers to automate complex tasks reliably and securely, improving operational efficiency and reducing manual errors.
KKey Concepts to Remember
- A controller serves as the centralized management platform that orchestrates network devices and automation workflows.
- Northbound APIs provide the interface between the controller and external applications, enabling programmability and integration.
- JSON is a structured data format commonly used in API payloads to represent configuration and operational data clearly and consistently.
- HTTPS is the secure transport protocol that encrypts API requests and responses between applications and the controller.
- The northbound API abstracts the controller’s capabilities, allowing applications to automate network functions without direct device interaction.
- Using JSON over HTTPS ensures that automation data is both structured for easy parsing and protected against unauthorized access.
- Controllers rely on northbound APIs to expose network state and control functions to software applications in a standardized manner.
- Automation architectures separate the platform (controller), interface (northbound API), data format (JSON), and transport (HTTPS) for clarity and security.
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 controller serves as the centralized management platform that orchestrates network devices and automation workflows.
What exam trap should I watch out for?
Common exam trap: answer the scenario, not the keyword: A common exam trap is confusing the roles of northbound APIs and southbound APIs in network automation. Candidates often mistake the northbound API as the interface between the controller and network devices, but it actually connects the controller to external applications. Misunderstanding JSON as a protocol rather than a data format can also lead to errors. Additionally, confusing HTTPS as just a transport protocol without recognizing its role in securing API communications can cause incorrect answers. Recognizing each term’s distinct role in the automation architecture is crucial to avoid these pitfalls.
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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