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DevNet Associate (DEVASC) 200-901 Practice Test 34

Question 330

The initial implementation fails or does not meet the expected behavior. A directory integration needs to locate a user's devices from Cisco Unified Communications Manager without modifying call-control configuration. Which investigation should be prioritized to diagnose the problem?

  1. Inspect message JSON, roomId and Webex response status/identity.
  2. Inspect Accept, Content-Type, URL path and response code alongside API docs.
  3. Inspect SDK reference, returned data type, target controller URL and auth context.
  4. Inspect CUCM service endpoints, identity permissions and UDS response structure.

Explanation

Correct Answer

D:

Inspect CUCM service endpoints, identity permissions and UDS response structure. These are the relevant initial evidence checks for CUCM UDS directory lookup. Intended action: Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL. Expected success condition: A valid user lookup returns permitted user-device information without a configuration write.

Incorrect Answers

A:

Inspect message JSON, roomId and Webex response status/identity. This investigation primarily applies to Create Webex message in known space, not the current CUCM UDS directory lookup problem. Prioritize: Inspect CUCM service endpoints, identity permissions and UDS response structure.

B:

Inspect Accept, Content-Type, URL path and response code alongside API docs. This investigation primarily applies to RESTCONF JSON representation header, not the current CUCM UDS directory lookup problem. Prioritize: Inspect CUCM service endpoints, identity permissions and UDS response structure.

C:

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 CUCM UDS directory lookup problem. Prioritize: Inspect CUCM service endpoints, identity permissions and UDS response structure.

Question 331

A Cisco network automation team has this requirement: An approved telephony deployment must create a phone configuration object in CUCM; a developer only queries UDS and expects a device to appear. Which design or implementation action best addresses it?

  1. Initialize the documented SDK client with scoped credentials and call its inventory operation using the supported parameters.
  2. Send the documented NX-API request for the supported show operation and parse its JSON response.
  3. Use documented XDR incident APIs with approved scopes to retrieve correlated security context.
  4. Call an authorized AXL administrative operation using a documented schema and the required service account.

Explanation

Correct Answer

D:

Call an authorized AXL administrative operation using a documented schema and the required service account. Technical reason: AXL exposes administrative configuration capabilities distinct from UDS directory retrieval. Verify by: The new phone object is present in CUCM configuration and the change is auditable. Deployment qualification: Administrative changes should be staged and version-compatible with the CUCM schema.

Incorrect Answers

A:

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 CUCM AXL controlled configuration update requirement specifically calls for Call an authorized AXL administrative operation using a documented schema and the required service account.

B:

Send the documented NX-API request for the supported show operation and parse its JSON response. This instead targets the different case NX-OS NX-API JSON command output. The described CUCM AXL controlled configuration update requirement specifically calls for Call an authorized AXL administrative operation using a documented schema and the required service account.

C:

Use documented XDR incident APIs with approved scopes to retrieve correlated security context. This instead targets the different case Cisco XDR incident context API. The described CUCM AXL controlled configuration update requirement specifically calls for Call an authorized AXL administrative operation using a documented schema and the required service account.

Question 332

After deployment, an engineer must prove the proposed solution works. An approved telephony deployment must create a phone configuration object in CUCM; a developer only queries UDS and expects a device to appear. 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 test change runs in the sandbox and production inventory remains untouched.
  3. The returned detections reference the intended endpoint and interval while unrelated hosts are excluded.
  4. A test organization with more than one page yields every expected client ID through the SDK call.

Explanation

Correct Answer

A:

The new phone object is present in CUCM configuration and the change is auditable. Recommended implementation: Call an authorized AXL administrative operation using a documented schema and the required service account. Why the observation matters: AXL exposes administrative configuration capabilities distinct from UDS directory retrieval.

Incorrect Answers

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 CUCM AXL controlled configuration update case. For this case, the decisive observation is: The new phone object is present in CUCM configuration and the change is auditable.

C:

The returned detections reference the intended endpoint and interval while unrelated hosts are excluded. That observation could confirm Secure Endpoint host event triage, not the current CUCM AXL controlled configuration update case. For this case, the decisive observation is: The new phone object is present in CUCM configuration and the change is auditable.

D:

A test organization with more than one page yields every expected client ID through the SDK call. That observation could confirm Use supported Meraki SDK pagination helper, not the current CUCM AXL controlled configuration update case. For this case, the decisive observation is: The new phone object is present in CUCM configuration and the change is auditable.

Question 333

A developer is explaining the underlying technical behavior. An approved telephony deployment must create a phone configuration object in CUCM; a developer only queries UDS and expects a device to appear. Which principle is most relevant to this case?

  1. AXL exposes administrative configuration capabilities distinct from UDS directory retrieval.
  2. NX-API and RESTCONF are distinct programming interfaces with different request schemas.
  3. SDK authentication helpers manage credential exchange but do not remove token expiry.
  4. ACI's APIC provides controller-level policy abstraction for a fabric's endpoint relationships.

Explanation

Correct Answer

A:

AXL exposes administrative configuration capabilities distinct from UDS directory retrieval. This mechanism explains CUCM AXL controlled configuration update. Action: Call an authorized AXL administrative operation using a documented schema and the required service account. Expected confirmation: The new phone object is present in CUCM configuration and the change is auditable.

Incorrect Answers

B:

NX-API and RESTCONF are distinct programming interfaces with different request schemas. This relates to NX-OS NX-API JSON command output. In the current CUCM AXL controlled configuration update case the operative principle is: AXL exposes administrative configuration capabilities distinct from UDS directory retrieval.

C:

SDK authentication helpers manage credential exchange but do not remove token expiry. This relates to SDK authentication renewal. In the current CUCM AXL controlled configuration update case the operative principle is: AXL exposes administrative configuration capabilities distinct from UDS directory retrieval.

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 CUCM AXL controlled configuration update case the operative principle is: AXL exposes administrative configuration capabilities distinct from UDS directory retrieval.

Question 334

A team does not apply the necessary control or correction. An approved telephony deployment must create a phone configuration object in CUCM; a developer only queries UDS and expects a device to appear. Which resulting failure or risk is most directly relevant?

  1. Unregistered targets or missing permissions can leave a misleading partial inventory.
  2. Retrying with a stale cached token indefinitely creates recurring authorization failures.
  3. Running unverified destructive calls on production can disrupt live services.
  4. A read-only directory lookup cannot create or update CUCM device configuration.

Explanation

Correct Answer

D:

A read-only directory lookup cannot create or update CUCM device configuration. This is the direct exposure for CUCM AXL controlled configuration update. Mitigate with: Call an authorized AXL administrative operation using a documented schema and the required service account. Check success by: The new phone object is present in CUCM configuration and the change is auditable.

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 CUCM AXL controlled configuration update requirement, the directly relevant risk is: A read-only directory lookup cannot create or update CUCM device configuration.

B:

Retrying with a stale cached token indefinitely creates recurring authorization failures. This risk occurs in the different SDK authentication renewal situation. For the given CUCM AXL controlled configuration update requirement, the directly relevant risk is: A read-only directory lookup cannot create or update CUCM device configuration.

C:

Running unverified destructive calls on production can disrupt live services. This risk occurs in the different DevNet sandbox for destructive lab tests situation. For the given CUCM AXL controlled configuration update requirement, the directly relevant risk is: A read-only directory lookup cannot create or update CUCM device configuration.

Question 335

The initial implementation fails or does not meet the expected behavior. An approved telephony deployment must create a phone configuration object in CUCM; a developer only queries UDS and expects a device to appear. 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 APIC EPG membership, applied contract and endpoint-to-endpoint test traffic.
  4. Inspect advertised YANG model, RESTCONF resource path, HTTP status and response payload.

Explanation

Correct Answer

A:

Inspect AXL SOAP request, object parameters and CUCM configuration audit trail. These are the relevant initial evidence checks for CUCM AXL controlled configuration update. Intended action: Call an authorized AXL administrative operation using a documented schema and the required service account. Expected success condition: The new phone object is present in CUCM configuration and the change is auditable.

Incorrect Answers

B:

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

C:

Inspect APIC EPG membership, applied contract and endpoint-to-endpoint test traffic. This investigation primarily applies to ACI policy endpoint distinction, not the current CUCM AXL controlled configuration update problem. Prioritize: Inspect AXL SOAP request, object parameters and CUCM configuration audit trail.

D:

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 CUCM AXL controlled configuration update problem. Prioritize: Inspect AXL SOAP request, object parameters and CUCM configuration audit trail.

Question 336

A Cisco network automation team has this requirement: A security automation needs to quarantine a suspicious endpoint, but the engineer considers deleting all switch port configurations manually. Which design or implementation action best addresses it?

  1. Use supported Cisco ISE policy and endpoint APIs or integration to apply the intended authorization response.
  2. Use supported Cisco Intersight inventory and health APIs for the registered server endpoints.
  3. Send the documented NX-API request for the supported show operation and parse its JSON response.
  4. Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL.

Explanation

Correct Answer

A:

Use supported Cisco ISE policy and endpoint APIs or integration to apply the intended authorization response. Technical reason: ISE centralizes identity and network access policy decisions for supported integrations. Verify by: The identified endpoint receives the expected restricted access without affecting unrelated clients. Deployment qualification: Actual network enforcement requires matching device integration and relevant license/support.

Incorrect Answers

B:

Use supported Cisco Intersight inventory and health APIs for the registered server endpoints. This instead targets the different case Intersight inventory across remote UCS domains. The described ISE endpoint policy and posture use requirement specifically calls for Use supported Cisco ISE policy and endpoint APIs or integration to apply the intended authorization response.

C:

Send the documented NX-API request for the supported show operation and parse its JSON response. This instead targets the different case NX-OS NX-API JSON command output. The described ISE endpoint policy and posture use requirement specifically calls for Use supported Cisco ISE policy and endpoint APIs or integration to apply the intended authorization response.

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 ISE endpoint policy and posture use requirement specifically calls for Use supported Cisco ISE policy and endpoint APIs or integration to apply the intended authorization response.

Question 337

After deployment, an engineer must prove the proposed solution works. A security automation needs to quarantine a suspicious endpoint, but the engineer considers deleting all switch port configurations manually. Which observed result is the most direct acceptance evidence?

  1. The identified endpoint receives the expected restricted access without affecting unrelated clients.
  2. The response reports expected server serials and health summaries across registered locations.
  3. The intended EPG-to-EPG flow is permitted and unrelated EPG traffic remains governed by policy.
  4. A change to Gi1 does not alter Gi2 and both values can be retrieved by model path.

Explanation

Correct Answer

A:

The identified endpoint receives the expected restricted access without affecting unrelated clients. Recommended implementation: Use supported Cisco ISE policy and endpoint APIs or integration to apply the intended authorization response. Why the observation matters: ISE centralizes identity and network access policy decisions for supported integrations.

Incorrect Answers

B:

The response reports expected server serials and health summaries across registered locations. That observation could confirm Intersight inventory across remote UCS domains, not the current ISE endpoint policy and posture use case. For this case, the decisive observation is: The identified endpoint receives the expected restricted access without affecting unrelated clients.

C:

The intended EPG-to-EPG flow is permitted and unrelated EPG traffic remains governed by policy. That observation could confirm ACI policy endpoint distinction, not the current ISE endpoint policy and posture use case. For this case, the decisive observation is: The identified endpoint receives the expected restricted access without affecting unrelated clients.

D:

A change to Gi1 does not alter Gi2 and both values can be retrieved by model path. That observation could confirm YANG leaf and list semantics, not the current ISE endpoint policy and posture use case. For this case, the decisive observation is: The identified endpoint receives the expected restricted access without affecting unrelated clients.

Question 338

A developer is explaining the underlying technical behavior. A security automation needs to quarantine a suspicious endpoint, but the engineer considers deleting all switch port configurations manually. Which principle is most relevant to this case?

  1. ISE centralizes identity and network access policy decisions for supported integrations.
  2. UCS Manager can abstract server identity and policy into reusable service profiles.
  3. SDK methods wrap API endpoints and can supply pagination, authentication and serialization features.
  4. IOS XE RESTCONF exposes model-driven data via HTTP resources rather than terminal screen scraping.

Explanation

Correct Answer

A:

ISE centralizes identity and network access policy decisions for supported integrations. This mechanism explains ISE endpoint policy and posture use. Action: Use supported Cisco ISE policy and endpoint APIs or integration to apply the intended authorization response. Expected confirmation: The identified endpoint receives the expected restricted access without affecting unrelated clients.

Incorrect Answers

B:

UCS Manager can abstract server identity and policy into reusable service profiles. This relates to UCS Manager service profile automation. In the current ISE endpoint policy and posture use case the operative principle is: ISE centralizes identity and network access policy decisions for supported integrations.

C:

SDK methods wrap API endpoints and can supply pagination, authentication and serialization features. This relates to Use supported Meraki SDK pagination helper. In the current ISE endpoint policy and posture use case the operative principle is: ISE centralizes identity and network access policy decisions for supported integrations.

D:

IOS XE RESTCONF exposes model-driven data via HTTP resources rather than terminal screen scraping. This relates to IOS XE RESTCONF operational interface state. In the current ISE endpoint policy and posture use case the operative principle is: ISE centralizes identity and network access policy decisions for supported integrations.

Question 339

A team does not apply the necessary control or correction. A security automation needs to quarantine a suspicious endpoint, but the engineer considers deleting all switch port configurations manually. Which resulting failure or risk is most directly relevant?

  1. Running unverified destructive calls on production can disrupt live services.
  2. Blind port-level changes can disrupt many endpoints and leave policy intent inconsistent.
  3. An incompatible Accept header can make an otherwise valid resource request fail.
  4. A read-only directory lookup cannot create or update CUCM device configuration.

Explanation

Correct Answer

B:

Blind port-level changes can disrupt many endpoints and leave policy intent inconsistent. This is the direct exposure for ISE endpoint policy and posture use. Mitigate with: Use supported Cisco ISE policy and endpoint APIs or integration to apply the intended authorization response. Check success by: The identified endpoint receives the expected restricted access without affecting unrelated clients.

Incorrect Answers

A:

Running unverified destructive calls on production can disrupt live services. This risk occurs in the different DevNet sandbox for destructive lab tests situation. For the given ISE endpoint policy and posture use requirement, the directly relevant risk is: Blind port-level changes can disrupt many endpoints and leave policy intent inconsistent.

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 ISE endpoint policy and posture use requirement, the directly relevant risk is: Blind port-level changes can disrupt many endpoints and leave policy intent inconsistent.

D:

A read-only directory lookup cannot create or update CUCM device configuration. This risk occurs in the different CUCM AXL controlled configuration update situation. For the given ISE endpoint policy and posture use requirement, the directly relevant risk is: Blind port-level changes can disrupt many endpoints and leave policy intent inconsistent.

Question 340

The initial implementation fails or does not meet the expected behavior. A security automation needs to quarantine a suspicious endpoint, but the engineer considers deleting all switch port configurations manually. Which investigation should be prioritized to diagnose the problem?

  1. Inspect endpoint path, auth token exchange, pagination and device response fields.
  2. Inspect site ID, device UUID, assignment task status and resulting inventory record.
  3. Inspect endpoint identifier, ISE authorization profile and network device enforcement logs.
  4. Compare sample dependencies, API docs version and actual request/response traces.

Explanation

Correct Answer

C:

Inspect endpoint identifier, ISE authorization profile and network device enforcement logs. These are the relevant initial evidence checks for ISE endpoint policy and posture use. Intended action: Use supported Cisco ISE policy and endpoint APIs or integration to apply the intended authorization response. Expected success condition: The identified endpoint receives the expected restricted access without affecting unrelated clients.

Incorrect Answers

A:

Inspect endpoint path, auth token exchange, pagination and device response fields. This investigation primarily applies to Get device inventory from Catalyst Center, not the current ISE endpoint policy and posture use problem. Prioritize: Inspect endpoint identifier, ISE authorization profile and network device enforcement logs.

B:

Inspect site ID, device UUID, assignment task status and resulting inventory record. This investigation primarily applies to Catalyst Center site hierarchy assignment, not the current ISE endpoint policy and posture use problem. Prioritize: Inspect endpoint identifier, ISE authorization profile and network device enforcement logs.

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 ISE endpoint policy and posture use problem. Prioritize: Inspect endpoint identifier, ISE authorization profile and network device enforcement logs.

DevNet Associate (DEVASC) (200-901) Practice Tests

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