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DevNet Associate (DEVASC) 200-901 Practice Test 33

Question 320

The initial implementation fails or does not meet the expected behavior. An organization must standardize firmware and identity settings on UCS blades; developers plan to hardcode each server's BIOS settings independently. Which investigation should be prioritized to diagnose the problem?

  1. Inspect profile association, template inheritance and UCS Manager faults.
  2. Inspect endpoint identifier, ISE authorization profile and network device enforcement logs.
  3. Inspect sandbox reservation, access instructions and target hostnames in the script.
  4. Compare sample dependencies, API docs version and actual request/response traces.

Explanation

Correct Answer

A:

Inspect profile association, template inheritance and UCS Manager faults. These are the relevant initial evidence checks for UCS Manager service profile automation. Intended action: Use supported UCS Manager service profile templates or API-driven profile assignment for the domain. Expected success condition: Two eligible blades receive the intended repeatable profile without per-blade configuration drift.

Incorrect Answers

B:

Inspect endpoint identifier, ISE authorization profile and network device enforcement logs. This investigation primarily applies to ISE endpoint policy and posture use, not the current UCS Manager service profile automation problem. Prioritize: Inspect profile association, template inheritance and UCS Manager faults.

C:

Inspect sandbox reservation, access instructions and target hostnames in the script. This investigation primarily applies to DevNet sandbox for destructive lab tests, not the current UCS Manager service profile automation problem. Prioritize: Inspect profile association, template inheritance and UCS Manager faults.

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 UCS Manager service profile automation problem. Prioritize: Inspect profile association, template inheritance and UCS Manager faults.

Question 321

A Cisco network automation team has this requirement: A service bot must post an incident notice to a new Webex space, but code sends the message before the target room exists. Which design or implementation action best addresses it?

  1. Use the documented Webex rooms creation API, record the returned room ID, then POST the message to that room.
  2. Use the documented Catalyst Center site assignment workflow with the site and device identifiers.
  3. Use an Accept header for the documented YANG data media type and an authenticated model resource.
  4. Send a valid NETCONF edit-config RPC with the correct XML namespace and target datastore.

Explanation

Correct Answer

A:

Use the documented Webex rooms creation API, record the returned room ID, then POST the message to that room. Technical reason: Webex collaboration APIs address rooms and messages as distinct resources linked by identifiers. Verify by: The created room appears with exactly one authorized incident notice from the bot. Deployment qualification: The bot's token must have the required collaboration scopes and membership.

Incorrect Answers

B:

Use the documented Catalyst Center site assignment workflow with the site and device identifiers. This instead targets the different case Catalyst Center site hierarchy assignment. The described Webex create space and send message requirement specifically calls for Use the documented Webex rooms creation API, record the returned room ID, then POST the message to that room.

C:

Use an Accept header for the documented YANG data media type and an authenticated model resource. This instead targets the different case RESTCONF JSON representation header. The described Webex create space and send message requirement specifically calls for Use the documented Webex rooms creation API, record the returned room ID, then POST the message to that room.

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 Webex create space and send message requirement specifically calls for Use the documented Webex rooms creation API, record the returned room ID, then POST the message to that room.

Question 322

After deployment, an engineer must prove the proposed solution works. A service bot must post an incident notice to a new Webex space, but code sends the message before the target room exists. Which observed result is the most direct acceptance evidence?

  1. The created room appears with exactly one authorized incident notice from the bot.
  2. The result contains expected device IDs and hostname fields from the authorized site inventory.
  3. The test change runs in the sandbox and production inventory remains untouched.
  4. A change to Gi1 does not alter Gi2 and both values can be retrieved by model path.

Explanation

Correct Answer

A:

The created room appears with exactly one authorized incident notice from the bot. Recommended implementation: Use the documented Webex rooms creation API, record the returned room ID, then POST the message to that room. Why the observation matters: Webex collaboration APIs address rooms and messages as distinct resources linked by identifiers.

Incorrect Answers

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 Webex create space and send message case. For this case, the decisive observation is: The created room appears with exactly one authorized incident notice from the bot.

C:

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 Webex create space and send message case. For this case, the decisive observation is: The created room appears with exactly one authorized incident notice from the bot.

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 Webex create space and send message case. For this case, the decisive observation is: The created room appears with exactly one authorized incident notice from the bot.

Question 323

A developer is explaining the underlying technical behavior. A service bot must post an incident notice to a new Webex space, but code sends the message before the target room exists. Which principle is most relevant to this case?

  1. Cisco controller APIs expose managed-device resources to software clients.
  2. Webex collaboration APIs address rooms and messages as distinct resources linked by identifiers.
  3. DevNet sandboxes provide controlled Cisco environments for experimentation and API development.
  4. SDK authentication helpers manage credential exchange but do not remove token expiry.

Explanation

Correct Answer

B:

Webex collaboration APIs address rooms and messages as distinct resources linked by identifiers. This mechanism explains Webex create space and send message. Action: Use the documented Webex rooms creation API, record the returned room ID, then POST the message to that room. Expected confirmation: The created room appears with exactly one authorized incident notice from the bot.

Incorrect Answers

A:

Cisco controller APIs expose managed-device resources to software clients. This relates to Get device inventory from Catalyst Center. In the current Webex create space and send message case the operative principle is: Webex collaboration APIs address rooms and messages as distinct resources linked by identifiers.

C:

DevNet sandboxes provide controlled Cisco environments for experimentation and API development. This relates to DevNet sandbox for destructive lab tests. In the current Webex create space and send message case the operative principle is: Webex collaboration APIs address rooms and messages as distinct resources linked by identifiers.

D:

SDK authentication helpers manage credential exchange but do not remove token expiry. This relates to SDK authentication renewal. In the current Webex create space and send message case the operative principle is: Webex collaboration APIs address rooms and messages as distinct resources linked by identifiers.

Question 324

A team does not apply the necessary control or correction. A service bot must post an incident notice to a new Webex space, but code sends the message before the target room exists. Which resulting failure or risk is most directly relevant?

  1. Changing an address does not create a controller-level site hierarchy relationship.
  2. An incompatible Accept header can make an otherwise valid resource request fail.
  3. Trying to address a nonexistent room produces failed delivery or an orphaned workflow.
  4. Blind port-level changes can disrupt many endpoints and leave policy intent inconsistent.

Explanation

Correct Answer

C:

Trying to address a nonexistent room produces failed delivery or an orphaned workflow. This is the direct exposure for Webex create space and send message. Mitigate with: Use the documented Webex rooms creation API, record the returned room ID, then POST the message to that room. Check success by: The created room appears with exactly one authorized incident notice from the bot.

Incorrect Answers

A:

Changing an address does not create a controller-level site hierarchy relationship. This risk occurs in the different Catalyst Center site hierarchy assignment situation. For the given Webex create space and send message requirement, the directly relevant risk is: Trying to address a nonexistent room produces failed delivery or an orphaned workflow.

B:

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 Webex create space and send message requirement, the directly relevant risk is: Trying to address a nonexistent room produces failed delivery or an orphaned workflow.

D:

Blind port-level changes can disrupt many endpoints and leave policy intent inconsistent. This risk occurs in the different ISE endpoint policy and posture use situation. For the given Webex create space and send message requirement, the directly relevant risk is: Trying to address a nonexistent room produces failed delivery or an orphaned workflow.

Question 325

The initial implementation fails or does not meet the expected behavior. A service bot must post an incident notice to a new Webex space, but code sends the message before the target room exists. Which investigation should be prioritized to diagnose the problem?

  1. Inspect sandbox reservation, access instructions and target hostnames in the script.
  2. Inspect Intersight registration status, organization scope and API response resource types.
  3. Inspect site ID, device UUID, assignment task status and resulting inventory record.
  4. Inspect room creation response, roomId in the message payload and message delivery response.

Explanation

Correct Answer

D:

Inspect room creation response, roomId in the message payload and message delivery response. These are the relevant initial evidence checks for Webex create space and send message. Intended action: Use the documented Webex rooms creation API, record the returned room ID, then POST the message to that room. Expected success condition: The created room appears with exactly one authorized incident notice from the bot.

Incorrect Answers

A:

Inspect sandbox reservation, access instructions and target hostnames in the script. This investigation primarily applies to DevNet sandbox for destructive lab tests, not the current Webex create space and send message problem. Prioritize: Inspect room creation response, roomId in the message payload and message delivery response.

B:

Inspect Intersight registration status, organization scope and API response resource types. This investigation primarily applies to Intersight inventory across remote UCS domains, not the current Webex create space and send message problem. Prioritize: Inspect room creation response, roomId in the message payload and message delivery response.

C:

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 Webex create space and send message problem. Prioritize: Inspect room creation response, roomId in the message payload and message delivery response.

Question 326

A Cisco network automation team has this requirement: A directory integration needs to locate a user's devices from Cisco Unified Communications Manager without modifying call-control configuration. Which design or implementation action best addresses it?

  1. Use the documented Catalyst Center site assignment workflow with the site and device identifiers.
  2. Use supported Cisco Intersight inventory and health APIs for the registered server endpoints.
  3. Use the SDK's supported authentication/refresh lifecycle or recreate the authorized client without exposing credentials.
  4. Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL.

Explanation

Correct Answer

D:

Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL. Technical reason: UDS provides user-facing directory and service discovery while AXL targets CUCM administrative configuration tasks. Verify by: A valid user lookup returns permitted user-device information without a configuration write. Deployment qualification: UDS capabilities and authentication depend on CUCM version and deployment settings.

Incorrect Answers

A:

Use the documented Catalyst Center site assignment workflow with the site and device identifiers. This instead targets the different case Catalyst Center site hierarchy assignment. The described CUCM UDS directory lookup requirement specifically calls for Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL.

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 CUCM UDS directory lookup requirement specifically calls for Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL.

C:

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

Question 327

After deployment, an engineer must prove the proposed solution works. A directory integration needs to locate a user's devices from Cisco Unified Communications Manager without modifying call-control configuration. Which observed result is the most direct acceptance evidence?

  1. A controlled test returns device IDs from the intended controller without a handcrafted token URL.
  2. The identified endpoint receives the expected restricted access without affecting unrelated clients.
  3. A valid user lookup returns permitted user-device information without a configuration write.
  4. The target space contains one new message from the authorized integration.

Explanation

Correct Answer

C:

A valid user lookup returns permitted user-device information without a configuration write. Recommended implementation: Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL. Why the observation matters: UDS provides user-facing directory and service discovery while AXL targets CUCM administrative configuration tasks.

Incorrect Answers

A:

A controlled test returns device IDs from the intended controller without a handcrafted token URL. That observation could confirm Catalyst Center SDK intent client, not the current CUCM UDS directory lookup case. For this case, the decisive observation is: A valid user lookup returns permitted user-device information without a configuration write.

B:

The identified endpoint receives the expected restricted access without affecting unrelated clients. That observation could confirm ISE endpoint policy and posture use, not the current CUCM UDS directory lookup case. For this case, the decisive observation is: A valid user lookup returns permitted user-device information without a configuration write.

D:

The target space contains one new message from the authorized integration. That observation could confirm Create Webex message in known space, not the current CUCM UDS directory lookup case. For this case, the decisive observation is: A valid user lookup returns permitted user-device information without a configuration write.

Question 328

A developer is explaining the underlying technical behavior. A directory integration needs to locate a user's devices from Cisco Unified Communications Manager without modifying call-control configuration. Which principle is most relevant to this case?

  1. Catalyst Center manages site inventory and intent beyond raw device address configuration.
  2. YANG lists represent collections with keys while leaves hold individual scalar values.
  3. SDK authentication helpers manage credential exchange but do not remove token expiry.
  4. UDS provides user-facing directory and service discovery while AXL targets CUCM administrative configuration tasks.

Explanation

Correct Answer

D:

UDS provides user-facing directory and service discovery while AXL targets CUCM administrative configuration tasks. This mechanism explains CUCM UDS directory lookup. Action: Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL. Expected confirmation: A valid user lookup returns permitted user-device information without a configuration write.

Incorrect Answers

A:

Catalyst Center manages site inventory and intent beyond raw device address configuration. This relates to Catalyst Center site hierarchy assignment. In the current CUCM UDS directory lookup case the operative principle is: UDS provides user-facing directory and service discovery while AXL targets CUCM administrative configuration tasks.

B:

YANG lists represent collections with keys while leaves hold individual scalar values. This relates to YANG leaf and list semantics. In the current CUCM UDS directory lookup case the operative principle is: UDS provides user-facing directory and service discovery while AXL targets CUCM administrative configuration tasks.

C:

SDK authentication helpers manage credential exchange but do not remove token expiry. This relates to SDK authentication renewal. In the current CUCM UDS directory lookup case the operative principle is: UDS provides user-facing directory and service discovery while AXL targets CUCM administrative configuration tasks.

Question 329

A team does not apply the necessary control or correction. A directory integration needs to locate a user's devices from Cisco Unified Communications Manager without modifying call-control configuration. Which resulting failure or risk is most directly relevant?

  1. Using a participant email as a room ID misaddresses or rejects the request.
  2. Treating example code as a frozen specification can preserve deprecated endpoint assumptions.
  3. Using a provisioning interface for directory lookups increases privilege and change risk.
  4. Relying on CLI display formatting can break parsers after software changes.

Explanation

Correct Answer

C:

Using a provisioning interface for directory lookups increases privilege and change risk. This is the direct exposure for CUCM UDS directory lookup. Mitigate with: Choose the documented read-oriented UDS interface for end-user and device discovery rather than provisioning through AXL. Check success by: A valid user lookup returns permitted user-device information without a configuration write.

Incorrect Answers

A:

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 CUCM UDS directory lookup requirement, the directly relevant risk is: Using a provisioning interface for directory lookups increases privilege and change risk.

B:

Treating example code as a frozen specification can preserve deprecated endpoint assumptions. This risk occurs in the different Choose API documentation over Code Exchange sample situation. For the given CUCM UDS directory lookup requirement, the directly relevant risk is: Using a provisioning interface for directory lookups increases privilege and change risk.

D:

Relying on CLI display formatting can break parsers after software changes. This risk occurs in the different IOS XE RESTCONF operational interface state situation. For the given CUCM UDS directory lookup requirement, the directly relevant risk is: Using a provisioning interface for directory lookups increases privilege and change risk.

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.

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

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