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DevNet Associate (DEVASC) 200-901 Practice Test 30

Question 290

The initial implementation fails or does not meet the expected behavior. An engineer wants the inventory of devices from Cisco Catalyst Center and finds a Python SDK with an authenticated network_devices API wrapper. Which investigation should be prioritized to diagnose the problem?

  1. Inspect Accept, Content-Type, URL path and response code alongside API docs.
  2. Inspect message JSON, roomId and Webex response status/identity.
  3. Compare sample dependencies, API docs version and actual request/response traces.
  4. Inspect SDK reference, returned data type, target controller URL and auth context.

Explanation

Correct Answer

D:

Inspect SDK reference, returned data type, target controller URL and auth context. These are the relevant initial evidence checks for Catalyst Center SDK intent client. Intended action: Initialize the documented SDK client with scoped credentials and call its inventory operation using the supported parameters. Expected success condition: A controlled test returns device IDs from the intended controller without a handcrafted token URL.

Incorrect Answers

A:

Inspect Accept, Content-Type, URL path and response code alongside API docs. This investigation primarily applies to RESTCONF JSON representation header, not the current Catalyst Center SDK intent client problem. Prioritize: Inspect SDK reference, returned data type, target controller URL and auth context.

B:

Inspect message JSON, roomId and Webex response status/identity. This investigation primarily applies to Create Webex message in known space, not the current Catalyst Center SDK intent client problem. Prioritize: Inspect SDK reference, returned data type, target controller URL and auth context.

C:

Compare sample dependencies, API docs version and actual request/response traces. This investigation primarily applies to Choose API documentation over Code Exchange sample, not the current Catalyst Center SDK intent client problem. Prioritize: Inspect SDK reference, returned data type, target controller URL and auth context.

Question 291

A Cisco network automation team has this requirement: A long-running controller integration stores an expired bearer token inside an SDK client and all subsequent inventory calls receive 401. Which design or implementation action best addresses it?

  1. Use supported UCS Manager service profile templates or API-driven profile assignment for the domain.
  2. Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials.
  3. Use an appropriate Cisco DevNet sandbox with authorized test accounts and documented lab constraints.
  4. Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL.

Explanation

Correct Answer

B:

Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials. Technical reason: SDK authentication helpers manage credential exchange but do not remove token expiry. Verify by: Requests after token renewal succeed and the old expired token is no longer sent. Deployment qualification: Refresh methods differ by SDK and platform and must follow their reference documentation.

Incorrect Answers

A:

Use supported UCS Manager service profile templates or API-driven profile assignment for the domain. This instead targets the different case UCS Manager service profile automation. The described SDK authentication renewal requirement specifically calls for Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials.

C:

Use an appropriate Cisco DevNet sandbox with authorized test accounts and documented lab constraints. This instead targets the different case DevNet sandbox for destructive lab tests. The described SDK authentication renewal requirement specifically calls for Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials.

D:

Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL. This instead targets the different case CUCM UDS directory lookup. The described SDK authentication renewal requirement specifically calls for Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials.

Question 292

After deployment, an engineer must prove the proposed solution works. A long-running controller integration stores an expired bearer token inside an SDK client and all subsequent inventory calls receive 401. Which observed result is the most direct acceptance evidence?

  1. The new phone object is present in CUCM configuration and the change is auditable.
  2. The result contains expected device IDs and hostname fields from the authorized site inventory.
  3. A valid user lookup returns permitted user-device information without a configuration write.
  4. Requests after token renewal succeed and the old expired token is no longer sent.

Explanation

Correct Answer

D:

Requests after token renewal succeed and the old expired token is no longer sent. Recommended implementation: Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials. Why the observation matters: SDK authentication helpers manage credential exchange but do not remove token expiry.

Incorrect Answers

A:

The new phone object is present in CUCM configuration and the change is auditable. That observation could confirm CUCM AXL controlled configuration update, not the current SDK authentication renewal case. For this case, the decisive observation is: Requests after token renewal succeed and the old expired token is no longer sent.

B:

The result contains expected device IDs and hostname fields from the authorized site inventory. That observation could confirm Get device inventory from Catalyst Center, not the current SDK authentication renewal case. For this case, the decisive observation is: Requests after token renewal succeed and the old expired token is no longer sent.

C:

A valid user lookup returns permitted user-device information without a configuration write. That observation could confirm CUCM UDS directory lookup, not the current SDK authentication renewal case. For this case, the decisive observation is: Requests after token renewal succeed and the old expired token is no longer sent.

Question 293

A developer is explaining the underlying technical behavior. A long-running controller integration stores an expired bearer token inside an SDK client and all subsequent inventory calls receive 401. Which principle is most relevant to this case?

  1. SDK authentication helpers manage credential exchange but do not remove token expiry.
  2. Code Exchange examples demonstrate patterns but API documentation defines the active request contract.
  3. NETCONF exchanges structured XML RPCs over an authenticated management session.
  4. ACI's APIC provides controller-level policy abstraction for a fabric's endpoint relationships.

Explanation

Correct Answer

A:

SDK authentication helpers manage credential exchange but do not remove token expiry. This mechanism explains SDK authentication renewal. Action: Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials. Expected confirmation: Requests after token renewal succeed and the old expired token is no longer sent.

Incorrect Answers

B:

Code Exchange examples demonstrate patterns but API documentation defines the active request contract. This relates to Choose API documentation over Code Exchange sample. In the current SDK authentication renewal case the operative principle is: SDK authentication helpers manage credential exchange but do not remove token expiry.

C:

NETCONF exchanges structured XML RPCs over an authenticated management session. This relates to NETCONF edit-config transaction. In the current SDK authentication renewal case the operative principle is: SDK authentication helpers manage credential exchange but do not remove token expiry.

D:

ACI's APIC provides controller-level policy abstraction for a fabric's endpoint relationships. This relates to ACI policy endpoint distinction. In the current SDK authentication renewal case the operative principle is: SDK authentication helpers manage credential exchange but do not remove token expiry.

Question 294

A team does not apply the necessary control or correction. A long-running controller integration stores an expired bearer token inside an SDK client and all subsequent inventory calls receive 401. Which resulting failure or risk is most directly relevant?

  1. Unregistered targets or missing permissions can leave a misleading partial inventory.
  2. Trying to address a nonexistent room produces failed delivery or an orphaned workflow.
  3. An incompatible Accept header can make an otherwise valid resource request fail.
  4. Retrying with a stale cached token indefinitely creates recurring authorization failures.

Explanation

Correct Answer

D:

Retrying with a stale cached token indefinitely creates recurring authorization failures. This is the direct exposure for SDK authentication renewal. Mitigate with: Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials. Check success by: Requests after token renewal succeed and the old expired token is no longer sent.

Incorrect Answers

A:

Unregistered targets or missing permissions can leave a misleading partial inventory. This risk occurs in the different Intersight inventory across remote UCS domains situation. For the given SDK authentication renewal requirement, the directly relevant risk is: Retrying with a stale cached token indefinitely creates recurring authorization failures.

B:

Trying to address a nonexistent room produces failed delivery or an orphaned workflow. This risk occurs in the different Webex create space and send message situation. For the given SDK authentication renewal requirement, the directly relevant risk is: Retrying with a stale cached token indefinitely creates recurring authorization failures.

C:

An incompatible Accept header can make an otherwise valid resource request fail. This risk occurs in the different RESTCONF JSON representation header situation. For the given SDK authentication renewal requirement, the directly relevant risk is: Retrying with a stale cached token indefinitely creates recurring authorization failures.

Question 295

The initial implementation fails or does not meet the expected behavior. A long-running controller integration stores an expired bearer token inside an SDK client and all subsequent inventory calls receive 401. Which investigation should be prioritized to diagnose the problem?

  1. Inspect AXL SOAP request, object parameters and CUCM configuration audit trail.
  2. Inspect SDK session configuration, expiry logs and outgoing redacted headers.
  3. Inspect network ID, time-span parameter, response client fields and pagination.
  4. Compare sample dependencies, API docs version and actual request/response traces.

Explanation

Correct Answer

B:

Inspect SDK session configuration, expiry logs and outgoing redacted headers. These are the relevant initial evidence checks for SDK authentication renewal. Intended action: Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials. Expected success condition: Requests after token renewal succeed and the old expired token is no longer sent.

Incorrect Answers

A:

Inspect AXL SOAP request, object parameters and CUCM configuration audit trail. This investigation primarily applies to CUCM AXL controlled configuration update, not the current SDK authentication renewal problem. Prioritize: Inspect SDK session configuration, expiry logs and outgoing redacted headers.

C:

Inspect network ID, time-span parameter, response client fields and pagination. This investigation primarily applies to Retrieve Meraki connected clients from network, not the current SDK authentication renewal problem. Prioritize: Inspect SDK session configuration, expiry logs and outgoing redacted headers.

D:

Compare sample dependencies, API docs version and actual request/response traces. This investigation primarily applies to Choose API documentation over Code Exchange sample, not the current SDK authentication renewal problem. Prioritize: Inspect SDK session configuration, expiry logs and outgoing redacted headers.

Question 296

A Cisco network automation team has this requirement: A multi-organization Meraki tenant needs the switches belonging to one organization; a script incorrectly queries a network-specific client endpoint for all devices. Which design or implementation action best addresses it?

  1. Call the documented organization device inventory endpoint using the verified organization identifier.
  2. Initialize the documented SDK client with scoped credentials and call its inventory operation using the supported parameters.
  3. Verify endpoint, authentication and schema against current official API documentation before adapting the sample.
  4. Send a valid NETCONF edit-config RPC with the correct XML namespace and target datastore.

Explanation

Correct Answer

A:

Call the documented organization device inventory endpoint using the verified organization identifier. Technical reason: Meraki API resource scopes distinguish organizations, networks, devices and clients. Verify by: The response includes the organization's devices across its authorized networks, not only clients on one switch. Deployment qualification: Organization permissions determine which device inventory can be listed.

Incorrect Answers

B:

Initialize the documented SDK client with scoped credentials and call its inventory operation using the supported parameters. This instead targets the different case Catalyst Center SDK intent client. The described Meraki organization versus device endpoint scope requirement specifically calls for Call the documented organization device inventory endpoint using the verified organization identifier.

C:

Verify endpoint, authentication and schema against current official API documentation before adapting the sample. This instead targets the different case Choose API documentation over Code Exchange sample. The described Meraki organization versus device endpoint scope requirement specifically calls for Call the documented organization device inventory endpoint using the verified organization identifier.

D:

Send a valid NETCONF edit-config RPC with the correct XML namespace and target datastore. This instead targets the different case NETCONF edit-config transaction. The described Meraki organization versus device endpoint scope requirement specifically calls for Call the documented organization device inventory endpoint using the verified organization identifier.

Question 297

After deployment, an engineer must prove the proposed solution works. A multi-organization Meraki tenant needs the switches belonging to one organization; a script incorrectly queries a network-specific client endpoint for all devices. Which observed result is the most direct acceptance evidence?

  1. The target space contains one new message from the authorized integration.
  2. The test change runs in the sandbox and production inventory remains untouched.
  3. A valid user lookup returns permitted user-device information without a configuration write.
  4. The response includes the organization's devices across its authorized networks, not only clients on one switch.

Explanation

Correct Answer

D:

The response includes the organization's devices across its authorized networks, not only clients on one switch. Recommended implementation: Call the documented organization device inventory endpoint using the verified organization identifier. Why the observation matters: Meraki API resource scopes distinguish organizations, networks, devices and clients.

Incorrect Answers

A:

The target space contains one new message from the authorized integration. That observation could confirm Create Webex message in known space, not the current Meraki organization versus device endpoint scope case. For this case, the decisive observation is: The response includes the organization's devices across its authorized networks, not only clients on one switch.

B:

The test change runs in the sandbox and production inventory remains untouched. That observation could confirm DevNet sandbox for destructive lab tests, not the current Meraki organization versus device endpoint scope case. For this case, the decisive observation is: The response includes the organization's devices across its authorized networks, not only clients on one switch.

C:

A valid user lookup returns permitted user-device information without a configuration write. That observation could confirm CUCM UDS directory lookup, not the current Meraki organization versus device endpoint scope case. For this case, the decisive observation is: The response includes the organization's devices across its authorized networks, not only clients on one switch.

Question 298

A developer is explaining the underlying technical behavior. A multi-organization Meraki tenant needs the switches belonging to one organization; a script incorrectly queries a network-specific client endpoint for all devices. Which principle is most relevant to this case?

  1. Meraki API resource scopes distinguish organizations, networks, devices and clients.
  2. DevNet sandboxes provide controlled Cisco environments for experimentation and API development.
  3. Webex collaboration APIs address rooms and messages as distinct resources linked by identifiers.
  4. Security orchestration platforms expose normalized incident resources through supported APIs.

Explanation

Correct Answer

A:

Meraki API resource scopes distinguish organizations, networks, devices and clients. This mechanism explains Meraki organization versus device endpoint scope. Action: Call the documented organization device inventory endpoint using the verified organization identifier. Expected confirmation: The response includes the organization's devices across its authorized networks, not only clients on one switch.

Incorrect Answers

B:

DevNet sandboxes provide controlled Cisco environments for experimentation and API development. This relates to DevNet sandbox for destructive lab tests. In the current Meraki organization versus device endpoint scope case the operative principle is: Meraki API resource scopes distinguish organizations, networks, devices and clients.

C:

Webex collaboration APIs address rooms and messages as distinct resources linked by identifiers. This relates to Webex create space and send message. In the current Meraki organization versus device endpoint scope case the operative principle is: Meraki API resource scopes distinguish organizations, networks, devices and clients.

D:

Security orchestration platforms expose normalized incident resources through supported APIs. This relates to Cisco XDR incident context API. In the current Meraki organization versus device endpoint scope case the operative principle is: Meraki API resource scopes distinguish organizations, networks, devices and clients.

Question 299

A team does not apply the necessary control or correction. A multi-organization Meraki tenant needs the switches belonging to one organization; a script incorrectly queries a network-specific client endpoint for all devices. Which resulting failure or risk is most directly relevant?

  1. Reusing the wrong device API path yields 404 or parsing failures despite correct credentials.
  2. Using a participant email as a room ID misaddresses or rejects the request.
  3. Manual one-off configuration makes replacement servers inconsistent.
  4. Confusing network-client records with organization-device inventory gives the wrong entity types.

Explanation

Correct Answer

D:

Confusing network-client records with organization-device inventory gives the wrong entity types. This is the direct exposure for Meraki organization versus device endpoint scope. Mitigate with: Call the documented organization device inventory endpoint using the verified organization identifier. Check success by: The response includes the organization's devices across its authorized networks, not only clients on one switch.

Incorrect Answers

A:

Reusing the wrong device API path yields 404 or parsing failures despite correct credentials. This risk occurs in the different NX-OS NX-API JSON command output situation. For the given Meraki organization versus device endpoint scope requirement, the directly relevant risk is: Confusing network-client records with organization-device inventory gives the wrong entity types.

B:

Using a participant email as a room ID misaddresses or rejects the request. This risk occurs in the different Create Webex message in known space situation. For the given Meraki organization versus device endpoint scope requirement, the directly relevant risk is: Confusing network-client records with organization-device inventory gives the wrong entity types.

C:

Manual one-off configuration makes replacement servers inconsistent. This risk occurs in the different UCS Manager service profile automation situation. For the given Meraki organization versus device endpoint scope requirement, the directly relevant risk is: Confusing network-client records with organization-device inventory gives the wrong entity types.

Question 300

The initial implementation fails or does not meet the expected behavior. A multi-organization Meraki tenant needs the switches belonging to one organization; a script incorrectly queries a network-specific client endpoint for all devices. Which investigation should be prioritized to diagnose the problem?

  1. Inspect advertised YANG model, RESTCONF resource path, HTTP status and response payload.
  2. Inspect host GUID, event type, time filter and API response details.
  3. Inspect endpoint path, organization ID and response model fields.
  4. Inspect SDK reference, returned data type, target controller URL and auth context.

Explanation

Correct Answer

C:

Inspect endpoint path, organization ID and response model fields. These are the relevant initial evidence checks for Meraki organization versus device endpoint scope. Intended action: Call the documented organization device inventory endpoint using the verified organization identifier. Expected success condition: The response includes the organization's devices across its authorized networks, not only clients on one switch.

Incorrect Answers

A:

Inspect advertised YANG model, RESTCONF resource path, HTTP status and response payload. This investigation primarily applies to IOS XE RESTCONF operational interface state, not the current Meraki organization versus device endpoint scope problem. Prioritize: Inspect endpoint path, organization ID and response model fields.

B:

Inspect host GUID, event type, time filter and API response details. This investigation primarily applies to Secure Endpoint host event triage, not the current Meraki organization versus device endpoint scope problem. Prioritize: Inspect endpoint path, organization ID and response model fields.

D:

Inspect SDK reference, returned data type, target controller URL and auth context. This investigation primarily applies to Catalyst Center SDK intent client, not the current Meraki organization versus device endpoint scope problem. Prioritize: Inspect endpoint path, organization ID and response model fields.

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