Cisco CCNP 350-401 ENCOR Catalyst Center Workflows, NETCONF, and RESTCONF Practice Test 1

 

Topic 15 Practice Test 1 covers Catalyst Center Workflows, NETCONF, and RESTCONF for Cisco 350-401 ENCOR. For broader exam preparation, review the Cisco 350-401 ENCOR Exam Dumps. Every option includes focused technical reasoning explaining both the Cisco enterprise networking concept and its fit to the scenario.

Question 1

A developer needs to retrieve device inventory from Cisco Catalyst Center without automating clicks in the GUI. Which interface is designed for this northbound integration?

  1. Catalyst Center Intent API
  2. NETCONF directly to every managed switch
  3. An SNMP trap receiver
  4. A console connection to the Catalyst Center appliance

Correct Answer(s)

 

A

Rationale

  1. The Intent API exposes Catalyst Center capabilities through authenticated northbound REST endpoints, which is the appropriate integration surface for programmatic inventory retrieval. Context: “a developer needs to retrieve device inventory from cisco catalyst”. This answer directly implements “Catalyst Center Intent API”. Evidence: “center without automating clicks in the gui which”.
  2. NETCONF is a device-facing management protocol. The requirement is to consume centralized Catalyst Center inventory through the controller rather than query each device separately. Context: “a developer needs to retrieve device inventory from cisco catalyst”. The controlling choice is “Catalyst Center Intent API”. Evidence: “center without automating clicks in the gui which”.
  3. SNMP traps deliver asynchronous notifications and do not provide the controller’s general inventory REST interface. Context: “a developer needs to retrieve device inventory from cisco catalyst”. The controlling choice is “Catalyst Center Intent API”. Evidence: “center without automating clicks in the gui which”.
  4. Console access is for appliance administration or recovery, not application integration with Catalyst Center services. Context: “a developer needs to retrieve device inventory from cisco catalyst”. The controlling choice is “Catalyst Center Intent API”. Evidence: “center without automating clicks in the gui which”.

 

Question 2

A developer is troubleshooting throttling on one Cisco Catalyst Center Intent endpoint and needs to see that API’s documented rate-limit information. Where should the developer inspect it in the controller?

  1. The BGP neighbor summary on the controller subnet
  2. The managed switch’s MAC address table
  3. The Catalyst Center Assurance health score
  4. The Features information for that API in the Developer Toolkit catalog

Correct Answer(s)

 

D

Rationale

  1. Routing adjacency output cannot describe controller application API quotas. Context: “a developer is troubleshooting throttling on one cisco catalyst center”. The controlling choice is “The Features information for that API in the Developer Toolkit catalog”. Evidence: “intent endpoint and needs to see that api”.
  2. A device forwarding table has no information about Catalyst Center northbound API quotas or endpoint metadata. Context: “a developer is troubleshooting throttling on one cisco catalyst center”. The controlling choice is “The Features information for that API in the Developer Toolkit catalog”. Evidence: “intent endpoint and needs to see that api”.
  3. Assurance health summarizes operational state; it does not document per-endpoint API rate limits. Context: “a developer is troubleshooting throttling on one cisco catalyst center”. The controlling choice is “The Features information for that API in the Developer Toolkit catalog”. Evidence: “intent endpoint and needs to see that api”.
  4. Catalyst Center exposes endpoint details in the Developer Toolkit API catalog, and the API’s feature details include its rate-limit information. That is the controller-specific place to verify the limit.

 

Question 3

A team wants to call Catalyst Center Intent APIs from an internal application written in a language different from the examples in Cisco documentation. What matters most for compatibility?

  1. The application opens an interactive CLI session to each device instead of calling the controller
  2. The application sends raw Ethernet frames directly to Catalyst Center
  3. The application is rewritten in the same programming language used by every managed switch
  4. The application can create authenticated HTTPS requests and process the documented JSON API messages

Correct Answer(s)

 

D

Rationale

  1. That abandons the centralized API requirement and turns the workflow into per-device CLI automation. Context: “a team wants to call catalyst center intent apis from”. The controlling choice is “The application can create authenticated HTTPS requests and process the documented JSON API messages”. Evidence: “an internal application written in a language different”.
  2. Intent API operations are application-layer HTTPS exchanges, not raw Layer 2 frames. Context: “a team wants to call catalyst center intent apis from”. The controlling choice is “The application can create authenticated HTTPS requests and process the documented JSON API messages”. Evidence: “an internal application written in a language different”.
  3. Managed network devices do not require northbound controller clients to use one programming language. Context: “a team wants to call catalyst center intent apis from”. The controlling choice is “The application can create authenticated HTTPS requests and process the documented JSON API messages”. Evidence: “an internal application written in a language different”.
  4. Catalyst Center Intent APIs are REST interfaces, so the client language is not the deciding factor. A compatible client must form the required authenticated HTTPS operations and handle the documented JSON structures.

 

Question 4

A team is writing a client for the Catalyst Center Intent API. Which transport/data combination should it expect for normal REST interactions?

  1. Telnet sessions carrying XML RPCs
  2. HTTPS requests carrying JSON representations
  3. SSH port 830 carrying only JSON
  4. TFTP carrying YAML files

Correct Answer(s)

 

B

Rationale

  1. Telnet is not the secure REST transport used by the Intent API, and XML RPCs describe a different management style. Context: “a team is writing a client for the catalyst center”. The controlling choice is “HTTPS requests carrying JSON representations”. Evidence: “intent api which transport data combination should it”.
  2. Catalyst Center Intent APIs are REST interfaces reached through HTTPS and commonly exchange JSON documents, matching the controller’s documented northbound API model. Context: “a team is writing a client for the catalyst center”. This answer directly implements “HTTPS requests carrying JSON representations”. Evidence: “intent api which transport data combination should it”.
  3. SSH port 830 is associated with NETCONF; it is not the normal transport for Catalyst Center Intent REST APIs. Context: “a team is writing a client for the catalyst center”. The controlling choice is “HTTPS requests carrying JSON representations”. Evidence: “intent api which transport data combination should it”.
  4. TFTP is a file-transfer protocol and does not provide the authenticated REST interface required here. Context: “a team is writing a client for the catalyst center”. The controlling choice is “HTTPS requests carrying JSON representations”. Evidence: “intent api which transport data combination should it”.

 

Question 5

A service account can authenticate to Catalyst Center but receives authorization errors when calling an Intent API that changes network settings. What should be checked first?

  1. The account’s Catalyst Center RBAC permissions
  2. The BGP local preference on the controller subnet
  3. The device spanning-tree root priority
  4. The client’s DNS search suffix

Correct Answer(s)

 

A

Rationale

  1. Catalyst Center API access is governed by role-based access control. Successful authentication does not guarantee that the account has permission for the requested write operation. Context: “a service account can authenticate to catalyst center but receives”. This answer directly implements “The account’s Catalyst Center RBAC permissions”. Evidence: “authorization errors when calling an intent api that”.
  2. BGP path selection does not grant API privileges after authentication succeeds. Context: “a service account can authenticate to catalyst center but receives”. The controlling choice is “The account’s Catalyst Center RBAC permissions”. Evidence: “authorization errors when calling an intent api that”.
  3. Spanning-tree state on managed switches does not determine whether a Catalyst Center API user is authorized. Context: “a service account can authenticate to catalyst center but receives”. The controlling choice is “The account’s Catalyst Center RBAC permissions”. Evidence: “authorization errors when calling an intent api that”.
  4. A DNS suffix can affect name resolution, but the observed authenticated authorization failure points to permissions rather than discovery. Context: “a service account can authenticate to catalyst center but receives”. The controlling choice is “The account’s Catalyst Center RBAC permissions”. Evidence: “authorization errors when calling an intent api that”.

 

Question 6

An engineer needs to discover which Catalyst Center Intent endpoints are available and inspect their documented operations. Where should the engineer look in the controller?

  1. The switch MAC address table
  2. The Developer Toolkit API catalog
  3. The image repository only
  4. The wireless RF heatmap

Correct Answer(s)

 

B

Rationale

  1. A managed device’s MAC table provides Layer 2 forwarding state and cannot enumerate controller APIs. Context: “an engineer needs to discover which catalyst center intent endpoints”. The controlling choice is “The Developer Toolkit API catalog”. Evidence: “are available and inspect their documented operations where”.
  2. Catalyst Center exposes its available Intent APIs in the Developer Toolkit/API catalog, which is intended for endpoint discovery and API details. Context: “an engineer needs to discover which catalyst center intent endpoints”. This answer directly implements “The Developer Toolkit API catalog”. Evidence: “are available and inspect their documented operations where”.
  3. Software-image management is one controller function, not the catalog of programmable endpoints. Context: “an engineer needs to discover which catalyst center intent endpoints”. The controlling choice is “The Developer Toolkit API catalog”. Evidence: “are available and inspect their documented operations where”.
  4. The RF view is for wireless assurance and design information, not API endpoint documentation. Context: “an engineer needs to discover which catalyst center intent endpoints”. The controlling choice is “The Developer Toolkit API catalog”. Evidence: “are available and inspect their documented operations where”.

 

Question 7

An ITSM platform should open an incident automatically when Catalyst Center reports a qualifying Assurance event. Which controller capability best supports this integration?

  1. Events and notifications integration
  2. A static route on every access switch
  3. Manual CSV export from Inventory
  4. A local console syslog only

Correct Answer(s)

 

A

Rationale

  1. Catalyst Center can publish supported events and notifications to external systems, allowing an ITSM workflow to react without continuously polling every device. Context: “an itsm platform should open an incident automatically when catalyst”. This answer directly implements “Events and notifications integration”. Evidence: “center reports a qualifying assurance event which controller”.
  2. Static routing changes packet forwarding and does not export controller Assurance events to ITSM. Context: “an itsm platform should open an incident automatically when catalyst”. The controlling choice is “Events and notifications integration”. Evidence: “center reports a qualifying assurance event which controller”.
  3. A manual export cannot provide the required automatic event-driven incident creation. Context: “an itsm platform should open an incident automatically when catalyst”. The controlling choice is “Events and notifications integration”. Evidence: “center reports a qualifying assurance event which controller”.
  4. Local console messages do not provide the controller’s event integration mechanism required by the external ITSM platform. Context: “an itsm platform should open an incident automatically when catalyst”. The controlling choice is “Events and notifications integration”. Evidence: “center reports a qualifying assurance event which controller”.

 

Question 8

Operations wants Catalyst Center Assurance data to feed a third-party IT service-management workflow. Which architectural capability is intended for this type of external workflow integration?

  1. Using only the appliance console
  2. Catalyst Center integration flows/open APIs
  3. Changing all managed links to routed ports
  4. Disabling controller events

Correct Answer(s)

 

B

Rationale

  1. Console access is not an application integration mechanism for ITSM workflows. Context: “operations wants catalyst center assurance data to feed a third”. The controlling choice is “Catalyst Center integration flows/open APIs”. Evidence: “party it service management workflow which architectural capability”.
  2. Integration flows and open APIs are designed to connect Catalyst Center workflows and Assurance data with third-party ITSM and operational systems. Context: “operations wants catalyst center assurance data to feed a third”. This answer directly implements “Catalyst Center integration flows/open APIs”. Evidence: “party it service management workflow which architectural capability”.
  3. Interface mode has no relationship to exporting Assurance workflow data. Context: “operations wants catalyst center assurance data to feed a third”. The controlling choice is “Catalyst Center integration flows/open APIs”. Evidence: “party it service management workflow which architectural capability”.
  4. Disabling events would reduce the information available to external operational workflows. Context: “operations wants catalyst center assurance data to feed a third”. The controlling choice is “Catalyst Center integration flows/open APIs”. Evidence: “party it service management workflow which architectural capability”.

 

Question 9

A company installs Catalyst Center into an existing campus and wants devices to appear in inventory and Assurance. What is an appropriate first onboarding action?

  1. Convert every device to NETCONF-only management before discovery
  2. Create a new BGP autonomous system for Catalyst Center
  3. Run discovery for the existing infrastructure
  4. Delete the existing IP addressing plan

Correct Answer(s)

 

C

Rationale

  1. Catalyst Center onboarding does not require replacing all other management mechanisms before device discovery. Context: “a company installs catalyst center into an existing campus and”. The controlling choice is “Run discovery for the existing infrastructure”. Evidence: “wants devices to appear in inventory and assurance”.
  2. An independent BGP AS is not a prerequisite for controller discovery or Assurance. Context: “a company installs catalyst center into an existing campus and”. The controlling choice is “Run discovery for the existing infrastructure”. Evidence: “wants devices to appear in inventory and assurance”.
  3. For an existing deployment, Catalyst Center discovery identifies reachable devices and populates inventory so management and Assurance workflows can operate on them. Context: “a company installs catalyst center into an existing campus and”. This answer directly implements “Run discovery for the existing infrastructure”. Evidence: “wants devices to appear in inventory and assurance”.
  4. Existing addressing is not inherently incompatible with discovery and deleting it would be disruptive. Context: “a company installs catalyst center into an existing campus and”. The controlling choice is “Run discovery for the existing infrastructure”. Evidence: “wants devices to appear in inventory and assurance”.

 

Question 10

An observer can view some Catalyst Center Assurance information but cannot perform administrative changes that a network administrator can. Which control most directly explains the difference?

  1. The VLAN ID of the user’s workstation
  2. The switch’s STP port role
  3. The user’s local ARP cache
  4. Catalyst Center role-based access control

Correct Answer(s)

 

D

Rationale

  1. The workstation VLAN may influence reachability but does not define controller application privileges after login. Context: “an observer can view some catalyst center assurance information but”. The controlling choice is “Catalyst Center role-based access control”. Evidence: “cannot perform administrative changes that a network administrator”.
  2. STP roles govern Layer 2 forwarding and do not map to Catalyst Center application permissions. Context: “an observer can view some catalyst center assurance information but”. The controlling choice is “Catalyst Center role-based access control”. Evidence: “cannot perform administrative changes that a network administrator”.
  3. ARP cache contents do not assign controller authorization. Context: “an observer can view some catalyst center assurance information but”. The controlling choice is “Catalyst Center role-based access control”. Evidence: “cannot perform administrative changes that a network administrator”.
  4. Controller roles and permissions determine which users can view or change functions. Different RBAC assignments explain why two authenticated users have different capabilities. Context: “an observer can view some catalyst center assurance information but”. This answer directly implements “Catalyst Center role-based access control”. Evidence: “cannot perform administrative changes that a network administrator”.

 

Question 11

A script reaches a Catalyst Center API endpoint over HTTPS but receives an authentication failure before the requested inventory operation runs. What should the developer correct first?

  1. The VLAN native-ID on an unrelated trunk
  2. The managed switches’ HSRP priorities
  3. The OSPF reference bandwidth
  4. The API authentication credentials or token workflow

Correct Answer(s)

 

D

Rationale

  1. An unrelated trunk’s native VLAN does not repair controller API credentials. Context: “a script reaches a catalyst center api endpoint over https”. The controlling choice is “The API authentication credentials or token workflow”. Evidence: “but receives an authentication failure before the requested”.
  2. FHRP priorities do not determine whether the API client can authenticate to Catalyst Center. Context: “a script reaches a catalyst center api endpoint over https”. The controlling choice is “The API authentication credentials or token workflow”. Evidence: “but receives an authentication failure before the requested”.
  3. OSPF metrics are unrelated to application authentication once the HTTPS endpoint is reachable. Context: “a script reaches a catalyst center api endpoint over https”. The controlling choice is “The API authentication credentials or token workflow”. Evidence: “but receives an authentication failure before the requested”.
  4. The endpoint is reachable, so the immediate failure is at the authentication layer. The client must authenticate successfully before authorized Intent API calls can proceed. Context: “a script reaches a catalyst center api endpoint over https”. This answer directly implements “The API authentication credentials or token workflow”. Evidence: “but receives an authentication failure before the requested”.

 

Question 12

A high-frequency integration begins receiving responses that indicate the Catalyst Center Intent API rate limit has been exceeded. What is the best application response?

  1. Disable HTTPS validation
  2. Move the calls to UDP
  3. Throttle requests and implement retry/backoff behavior
  4. Open more simultaneous sessions without delay

Correct Answer(s)

 

C

Rationale

  1. Certificate validation has no connection to an API request-rate quota and weakening it would reduce security. Context: “a high frequency integration begins receiving responses that indicate the”. The controlling choice is “Throttle requests and implement retry/backoff behavior”. Evidence: “catalyst center intent api rate limit has been”.
  2. Catalyst Center Intent APIs are HTTPS REST interfaces; changing transport to UDP would not bypass a documented API limit. Context: “a high frequency integration begins receiving responses that indicate the”. The controlling choice is “Throttle requests and implement retry/backoff behavior”. Evidence: “catalyst center intent api rate limit has been”.
  3. Rate limits protect the controller API. A well-behaved client should reduce request frequency and use controlled retry/backoff rather than intensify the request storm. Context: “a high frequency integration begins receiving responses that indicate the”. This answer directly implements “Throttle requests and implement retry/backoff behavior”. Evidence: “catalyst center intent api rate limit has been”.
  4. Increasing concurrency can worsen a rate-limit condition and further load the controller. Context: “a high frequency integration begins receiving responses that indicate the”. The controlling choice is “Throttle requests and implement retry/backoff behavior”. Evidence: “catalyst center intent api rate limit has been”.

 

Question 13

An engineer needs the controller’s current list of managed network devices, not health scoring or client experience analytics. Which Catalyst Center data area is the better starting point?

  1. Inventory/device-management data
  2. Assurance issue history only
  3. An endpoint packet capture
  4. The controller’s software-image repository only

Correct Answer(s)

 

A

Rationale

  1. Inventory represents the managed devices and their controller-known attributes. Assurance focuses on health, issues, and experience analysis rather than simply enumerating managed devices. Context: “an engineer needs the controller s current list of managed”. This answer directly implements “Inventory/device-management data”. Evidence: “network devices not health scoring or client experience”.
  2. Issue history can explain health events but is not the primary source for the complete managed-device list. Context: “an engineer needs the controller s current list of managed”. The controlling choice is “Inventory/device-management data”. Evidence: “network devices not health scoring or client experience”.
  3. A packet capture can aid troubleshooting but cannot substitute for centralized controller inventory. Context: “an engineer needs the controller s current list of managed”. The controlling choice is “Inventory/device-management data”. Evidence: “network devices not health scoring or client experience”.
  4. The image repository tracks software artifacts and compliance functions, not the authoritative list of all managed devices. Context: “an engineer needs the controller s current list of managed”. The controlling choice is “Inventory/device-management data”. Evidence: “network devices not health scoring or client experience”.

 

Question 14

Users report intermittent application experience, and the network team wants controller-correlated health and issue information rather than raw CLI output from one switch. Which Catalyst Center function is most relevant?

  1. A static device inventory export
  2. Only the API catalog
  3. Assurance
  4. Only software image management

Correct Answer(s)

 

C

Rationale

  1. Inventory identifies devices but does not provide the same correlated health and issue analysis. Context: “users report intermittent application experience and the network team wants”. The controlling choice is “Assurance”. Evidence: “controller correlated health and issue information rather than”.
  2. The API catalog documents programmable endpoints; it does not itself provide the correlated operational health view. Context: “users report intermittent application experience and the network team wants”. The controlling choice is “Assurance”. Evidence: “controller correlated health and issue information rather than”.
  3. Assurance aggregates telemetry and controller context to surface health, issues, and experience information across the managed environment. Context: “users report intermittent application experience and the network team wants”. This answer directly implements “Assurance”. Evidence: “controller correlated health and issue information rather than”.
  4. Image management addresses software lifecycle/compliance rather than diagnosing live user experience. Context: “users report intermittent application experience and the network team wants”. The controlling choice is “Assurance”. Evidence: “controller correlated health and issue information rather than”.

 

Question 15

A network operator wants Catalyst Center to help identify likely causes of a service problem by correlating controller telemetry instead of manually checking every device. Which workflow category best matches?

  1. AI-powered Assurance/troubleshooting workflow
  2. BGP AS-path prepending workflow
  3. VRF route leaking workflow
  4. Manual cable labeling workflow

Correct Answer(s)

 

A

Rationale

  1. The ENCOR objective includes traditional and AI-powered Catalyst Center workflows. Correlating telemetry to prioritize likely causes is an Assurance/troubleshooting use case. Context: “a network operator wants catalyst center to help identify likely”. This answer directly implements “AI-powered Assurance/troubleshooting workflow”. Evidence: “causes of a service problem by correlating controller”.
  2. AS-path prepending is a routing-policy technique, not a Catalyst Center AI-assisted troubleshooting workflow. Context: “a network operator wants catalyst center to help identify likely”. The controlling choice is “AI-powered Assurance/troubleshooting workflow”. Evidence: “causes of a service problem by correlating controller”.
  3. VRF route leaking changes routing reachability and does not perform controller-wide telemetry correlation. Context: “a network operator wants catalyst center to help identify likely”. The controlling choice is “AI-powered Assurance/troubleshooting workflow”. Evidence: “causes of a service problem by correlating controller”.
  4. Physical labeling is useful operationally but is not the controller telemetry-correlation capability described. Context: “a network operator wants catalyst center to help identify likely”. The controlling choice is “AI-powered Assurance/troubleshooting workflow”. Evidence: “causes of a service problem by correlating controller”.

 

Question 16

An administrator uses Catalyst Center to standardize a configuration change across a managed device group rather than logging in to each switch individually. Which controller role is being used?

  1. Layer 2 frame switching
  2. Centralized network configuration and management
  3. Endpoint DHCP address assignment
  4. A replacement for every routing protocol

Correct Answer(s)

 

B

Rationale

  1. Frame switching occurs on network devices and is not the controller workflow being described. Context: “an administrator uses catalyst center to standardize a configuration change”. The controlling choice is “Centralized network configuration and management”. Evidence: “across a managed device group rather than logging”.
  2. The controller can apply policy/configuration through managed workflows, reducing per-device manual administration while preserving centralized operational control. Context: “an administrator uses catalyst center to standardize a configuration change”. This answer directly implements “Centralized network configuration and management”. Evidence: “across a managed device group rather than logging”.
  3. DHCP leases are a network service and do not describe centralized controller configuration orchestration. Context: “an administrator uses catalyst center to standardize a configuration change”. The controlling choice is “Centralized network configuration and management”. Evidence: “across a managed device group rather than logging”.
  4. Catalyst Center manages networks; it does not replace the forwarding protocols running on the infrastructure. Context: “an administrator uses catalyst center to standardize a configuration change”. The controlling choice is “Centralized network configuration and management”. Evidence: “across a managed device group rather than logging”.

 

Question 17

An external application must react within seconds when a supported Catalyst Center event occurs and should avoid continuously querying the controller for changes. Which design is preferable?

  1. Use TFTP to watch for a new file
  2. Poll every millisecond indefinitely
  3. Subscribe/use event notifications instead of tight polling
  4. Disable event publication and query device consoles

Correct Answer(s)

 

C

Rationale

  1. TFTP has no event-subscription semantics for Catalyst Center notifications. Context: “an external application must react within seconds when a supported”. The controlling choice is “Subscribe/use event notifications instead of tight polling”. Evidence: “catalyst center event occurs and should avoid continuously”.
  2. Extremely aggressive polling wastes resources and can encounter API rate limits. Context: “an external application must react within seconds when a supported”. The controlling choice is “Subscribe/use event notifications instead of tight polling”. Evidence: “catalyst center event occurs and should avoid continuously”.
  3. Event-driven notification lets Catalyst Center signal the application when the event occurs, reducing unnecessary repeated API reads and improving reaction time. Context: “an external application must react within seconds when a supported”. This answer directly implements “Subscribe/use event notifications instead of tight polling”. Evidence: “catalyst center event occurs and should avoid continuously”.
  4. That removes the controller’s event integration and reintroduces manual or fragmented monitoring. Context: “an external application must react within seconds when a supported”. The controlling choice is “Subscribe/use event notifications instead of tight polling”. Evidence: “catalyst center event occurs and should avoid continuously”.

 

Question 18

An enterprise integrates Catalyst Center Assurance workflows with an external IT service-management platform. In the Catalyst Center platform architecture, which integration direction is associated with these third-party workflow integrations?

  1. An eastbound device-console session
  2. A northbound Layer 2 trunk
  3. Westbound integration flows
  4. Southbound routing-protocol adjacency

Correct Answer(s)

 

C

Rationale

  1. Interactive device console access is not the architectural integration flow used for ITSM systems. Context: “an enterprise integrates catalyst center assurance workflows with an external”. The controlling choice is “Westbound integration flows”. Evidence: “it service management platform in the catalyst center”.
  2. A Layer 2 trunk is a data-plane construct and does not represent Catalyst Center platform integration direction. Context: “an enterprise integrates catalyst center assurance workflows with an external”. The controlling choice is “Westbound integration flows”. Evidence: “it service management platform in the catalyst center”.
  3. Catalyst Center describes integration flows to third-party ITSM and operational systems as westbound capabilities. They connect controller workflows and data to external business/operations platforms. Context: “an enterprise integrates catalyst center assurance workflows with an external”. This answer directly implements “Westbound integration flows”. Evidence: “it service management platform in the catalyst center”.
  4. Routing adjacencies connect network control planes and do not describe the platform’s third-party workflow integration direction. Context: “an enterprise integrates catalyst center assurance workflows with an external”. The controlling choice is “Westbound integration flows”. Evidence: “it service management platform in the catalyst center”.

 

Question 19

A Catalyst Center API response is documented as JSON. A script fails because it tries to parse the body as CLI text separated by prompts. What should be changed?

  1. Treat every response as a raw switch running configuration
  2. Parse the response as structured JSON
  3. Convert the HTTPS session to Telnet
  4. Strip all braces and guess field positions

Correct Answer(s)

 

B

Rationale

  1. Controller API payloads are not device CLI transcripts. Context: “a catalyst center api response is documented as json a”. The controlling choice is “Parse the response as structured JSON”. Evidence: “script fails because it tries to parse the”.
  2. Intent API responses are structured data. Parsing JSON keys and values is more reliable and matches the documented API contract. Context: “a catalyst center api response is documented as json a”. This answer directly implements “Parse the response as structured JSON”. Evidence: “script fails because it tries to parse the”.
  3. Changing to an insecure interactive protocol does not fix the response-format mismatch. Context: “a catalyst center api response is documented as json a”. The controlling choice is “Parse the response as structured JSON”. Evidence: “script fails because it tries to parse the”.
  4. Discarding JSON structure makes the client less reliable instead of using the documented representation. Context: “a catalyst center api response is documented as json a”. The controlling choice is “Parse the response as structured JSON”. Evidence: “script fails because it tries to parse the”.

 

Question 20

A script needs an enterprise-wide controller view of sites and managed devices. Why is calling Catalyst Center preferable to opening separate sessions to every switch for this task?

  1. Catalyst Center makes HTTPS unnecessary
  2. Catalyst Center causes all switches to share one routing table
  3. Catalyst Center removes the need for device identities
  4. Catalyst Center provides centralized inventory and intent abstractions

Correct Answer(s)

 

D

Rationale

  1. Its APIs use secure HTTPS; centralized management does not eliminate transport security. Context: “a script needs an enterprise wide controller view of sites”. The controlling choice is “Catalyst Center provides centralized inventory and intent abstractions”. Evidence: “and managed devices why is calling catalyst center”.
  2. Centralized management does not merge device routing tables. Context: “a script needs an enterprise wide controller view of sites”. The controlling choice is “Catalyst Center provides centralized inventory and intent abstractions”. Evidence: “and managed devices why is calling catalyst center”.
  3. Managed devices still retain unique identities and configurations. Context: “a script needs an enterprise wide controller view of sites”. The controlling choice is “Catalyst Center provides centralized inventory and intent abstractions”. Evidence: “and managed devices why is calling catalyst center”.
  4. The controller maintains centralized state and exposes northbound abstractions, so one integration can query the managed environment without independently scraping every device. Context: “a script needs an enterprise wide controller view of sites”. This answer directly implements “Catalyst Center provides centralized inventory and intent abstractions”. Evidence: “and managed devices why is calling catalyst center”.

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