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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cisco Platforms | 20% | - Capabilities of Cisco security platforms (Firepower, ISE) - API capabilities of Cisco AppDynamics - Capabilities of Cisco Unified Computing System (UCS) - Capabilities of Cisco Nexus platforms - API capabilities of Cisco Meraki - Capabilities of Cisco MGMT platforms (vManage, DNA Center, Intersight) - Capabilities of Cisco collaboration platforms (Webex Teams) |
| Topic 2: Using APIs | 20% | - Error handling - API styles/protocols (REST, RPC, gRPC, GraphQL, webhook) - JSON/YAML data formats - API authentication/authorization methods (basic auth, OAuth, API keys, tokens) - Common HTTP response codes associated with REST APIs - Synchronous and asynchronous API calls - Usage of software development kits (SDKs) - Pagination and rate-limiting concepts |
| Topic 3: Software Development and Design | 20% | - Diagnosing problems with application design - Distributed applications related to the concepts of front-end, back-end, and load balancing - Design patterns (MVC, Observer, Factory, Singleton) - Application design and implementation considering maintainability - Application design considering high availability and resiliency - Use of version control (Git) - Basics of software testing - Application design and implementation considering observability - Application design considering latency and rate limiting - Application design considering scalability and modularity - Architectural patterns (monolithic, services-oriented, microservices, event-driven, serverless) |
| Topic 4: Infrastructure and Automation | 20% | - Infrastructure as Code (IaC) concepts - Usage of JSON and YAML for data serialization - Basics of Linux and networking (IP addressing, routing, DNS, NTP) - Source code review and code quality assurance - Model-driven programmability (YANG, NETCONF, RESTCONF) - Network automation concepts (Ansible, Puppet, Terraform) |
| Topic 5: Application Deployment and Security | 20% | - Container concepts (Docker, Kubernetes) - OWASP top 10 security risks - Components of a CI/CD pipeline (build, test, deploy) - Encryption techniques (data in transit, data at rest) - Secrets management (HashiCorp Vault, CyberArk) - Benefits of continuous integration and continuous deployment (CI/CD) - Application deployment models (on-premises, hybrid, cloud, edge) - Device authentication and authorization (OAuth2, API keys, tokens) |
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NEW QUESTION # 279
Drag and Drop Question
Drag and drop the code snippets from the bottom onto the blanks in the code to implement an API rate limit and reduce the frequency to less than 1 second. Not all options are used.
Answer:
Explanation:
Explanation:
content-typeis the correct HTTP header key for specifying media type.
429is the HTTP status code for "Too Many Requests" - used when rate limits are exceeded.
Retry-Afteris the header returned by the server indicating how long to wait before retrying.
The function str()is used to convert the integer value of retry_time into a string so it can be concatenated with the surrounding string message. Without this conversion, Python would raise a TypeError, because you can't concatenate a string ('Too many requests, trying again in ') with an integer (retry_time) directly.
NEW QUESTION # 280 
Refer to the exhibit. Drag and drop the code snippets from the left onto the item numbers on the right that match the missing sections in the curl exhibit to complete the cURL request to FirePower Device Manager API to create objects. Not all code snippets are used.
Answer:
Explanation:
NEW QUESTION # 281
Drag and drop the code snippets from the bottom onto the Blanks in the code on the RESTCONF request to retrieve a list of configured interlaces on a Cisco IOS XE device. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 282
An Etag header is included in the HTTP response for an API resource. What are two benefits of using the value of the Etag for future interactions involving the same API resource? (Choose two.)
Answer: C,E
Explanation:
Explanation
* The ETag HTTP response header is an identifier for a specific version of a resource. It lets caches be more efficient and save bandwidth, as a web server does not need to resend a full response if the content has not changed. Additionally, etags help prevent simultaneous updates of a resource from overwriting each other ("mid-air collisions").
* The ETag or entity tag is part of HTTP, the protocol for the World Wide Web. It is one of several mechanisms that HTTP provides for Web cache validation, which allows a client to make conditional requests.
NEW QUESTION # 283
Drag and drop the steps from the left into the order on the right to ensure that an application requiring communication to the external network is hosted on a Cisco Catalyst 9000 switch.
Answer:
Explanation:
NEW QUESTION # 284
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