Test535‐03

An engineer updated the skeleton template. How can a device be entered into the YANG Model?. Modify the device instance of the device by referencing the acl_lab variable from our YANG model. Deploy a service instance that configures a VLAN of all of the devices present in Cisco NSO. Deploy a service instance that configures a VLAN of a list of devices referenced to the service YANG model. Modify the device instance by referencing the device variable from our YANG model.

A Python script is created to add a new device on Cisco NSO using RESTCONF API. The device is added successfully, but a 405 Method Not Allowed RESTCONF error code has received as the line to fetch SSH keys runs. Which code is missing to complete the script?. response = requests.put(baseUriOperation + "/devices/device=ios-device/ssh/fetch-host-keys", auth-auth, headers=headers). response = requests.post(baseUriOperation + "/devices/device=ios-device/ssh/fetch-host-keys", auth=auth, headers-headers). response = requests.post(baseUriOperation + "/devices/device=ios-device/ssh/request-host-keys", auth-auth, headers-headers. response = requests.put(baseUriOperation + "/devices/device=ios-device/ssh/request-host-keys", auth=auth, headers-headers.

What is the significance of "*" before the "father" leaf that is shown in the pyang tree output?. It is a node list in a leaf type node. The father leaf is a key in the family list type. The leaf father is read-write in the family list. The node father is read-only in the family list.

An engineer needs to configure network devices in an automated way. Which two ways are used to create structured data using YANG to provide REST-like APIs to enable programmability access? (Choose two.). YAML. JSON. GPB. JSON-RPC. XML.

Which two data formats are human readable? (Choose two.). YAML. Apache Arrow. gRPC. binary. JSON.

A user is debugging a problem with model-driven dial-in/out streams with gRPC for a Cisco IOS XR implementation. There is no streaming data and the path is not resolved when the show telemetry model- driven subscription command is issued on the router. What is the cause of the problem?. The emsd process is not running. There are polling interval problems. SNMP is not enabled. There is no support for IOS XR 64-bit.

Based on the YANG presented, what is the correct xpath to retrieve the router named "ios- device" under the "CustomerA" service name?. /ncs:abc_service/CustomerA/ios-device. /abc_service/CustomerA/"ios-device". /ncs:service/abc_service/"CustomerA"/ios-device. /ncs:services/abc_service/CustomerA/ios-device.

What are two fundamental design constraints of a RESTful API? (Choose two.). It includes a series of interactions to the API that are dependent on one another. It is dependent on the communication protocol being HTTP. It exposes procedures or functions for a client call. Each interaction is independent from all others on the server side. It is a client-server communication model where the client and the server are independent of one another.

Which two operations must be used to allow a network engineer to use NETCONF to configure and manage networking devices? (Choose two.). <get-config>. <open-session>. <close-session>. <remove-config>. <put>.

Fill in the blank to complete the statement about NETCONF and Python libraries. _________ is a Python library that facilitates client-side scripting and deploying changes to the network using the NETCONF protocol.

Which JSON output is a valid instantiation of the YANG model?. ("Cisco-IOS-XR-telemetry-model-drive-cfg:telemetry-model-driven": ( "sensor-groups": ( "sensor-group": [( "sensor-paths": ( "sensor-path": ( ("telemetry-sensor-path": "openconfig-interfaces:interfaces") ("telemetry-sensor-path": "openconfig-platform:components"), "sensor-group-identifier": "Interface-Counters",. "Cisco-IOS-XR-telemetry-model-drive-cfg:telemetry-model-driven": "sensor-groups": ( "sensor-group-identifier": "Interface-Counters", "sensor-paths": ( ("telemetry-sensor-path": "openconfig-interfaces:interfaces"}, ("telemetry-sensor-path": "openconfig-platform:components"),. { "Cisco-IOS-XR-telemetry-model-driven-cfg:telemetry-model-driven": { "sensor-groups": { "sensor-group": [ { "sensor-group-identifier": "CPU-Metrics", "sensor-paths": { "sensor-path": [ { "telemetry-sensor-path": "Cisco-IOS-XR-wd-oper:watchdog/nodes/node" }, { "telemetry-sensor-path": "Cisco-IOS-XR-infra-statsd-oper:infra-statistics/interfaces/interface/latest/generic-counters" } ] } } ] } } }. Cisco-IOS-XR-telemetry-model-drive-cfg:telemetry-model-driven": ( "sensor-groups": ( "sensor-group": [( "sensor-group-identifier": "Interface-Counters", "sensor-paths": ( "sensor-path": ( ("telemetry-sensor-path": "openconfig-interfaces:interfaces"), ("telemetry-sensor-path": "openconfig-platform:components").

When YDK is used to interact with Cisco routers, what is the purpose of passing intf_f into the crud_service.read() method?. The Interfaces() class acts as a NETCONF filter, which limits the data returned to that of the openconfig:interfaces YANG model. It provides the data types of the openconfig:interfaces model to the router for dynamic configuration of the interfaces. It locks the interfaces from modification by other active NETCONF sessions. It passes default values into the crud_service, which reconfigures all interfaces to their default configurations.

You create a simple service package skeleton in Cisco NSO using ncs-make-package -service-skeleton template vlan. Which two steps must be performed to complete the service? (Choose two.). Create the VLAN service template in XML. Modify the VLAN FastMap algorithm. Start the VLAN Python VM. Create the VLAN service model in YANG. Compile the VLAN NED.

Which NETCONF datastore is locked while the network device configuration is edited?. running. common. startup. working.

Which Git command is needed to stage the file network-deploy.py to then commit the changes to the revision history?. git init network-deploy.py. git add network-deploy.py. git merge network-deploy.py. git commit network-deploy.py.

Refer to the exhibit. curl -u john:password http://192.168.10.20 Which HTTP authentication mechanism is being used?. Simple. Basic. Oauth. Token.

Which statement describes the Cisco ESC core engine component?. It interacts with the top orchestration layer using the REST and NETCONF/YANG NB APIs. It can be configured for high availability and cluster mode. It performs monitoring based on several monitoring methods. It manages transactions, validations, policies, workflows, VM state machines, and rollbacks.

The ncclient Python script is captured from the ncclient import manager. Which configuration on the Cisco IOS XE device is the script used to enable?. router ospf 100 router-id 1.1.1.1 network 10.1.1.0 0.0.0.3 area 0. router ospf 100 network 10.1.1.0 0.0.0.3 area 0. router ospf 100 router-id 10.1.1.0 network 1.1.1.1 0.0.0.3 area 0. router ospf 100 router-id 1.1.1.1.

An engineer just completed the installation of Cisco NSO and all of its components. During testing, some of the services are not working properly. To resolve the issue, the engineer started undeploying service instances. can this cause?. It removes the service configuration from the network device only. It removes the service configuration from the network and NSO. It removes the service configuration from NSO only. It runs the service code again when the device is out of sync.

What is an interior YANG data node that exists in at most one instance in the data tree and has no value?. listing node. tree node. container node. leaf node.

Which statement describes an asynchronous API communication?. Asynchronous communication waits for a response. Synchronous communication is with a central orchestrator. It is not necessary to wait for availability of a resource. An application can freeze if there is no response from a request.

Which two configuration leaves in this YANG model are optional? (Choose two.). last-change. oper-status. type. enabled. mtu.

Which is a format used for the YANG JSON content-type header?. application/vnd/yang.data+json. application/vnd.yang.data+json. application/yang.data.json. application/vnd.yang.data json.

What are the two outcomes when the RESTCONF POST code is implemented? (Choose two.). A new VPN endpoint to a VPN is added. An L3VPN endpoint to a VPN is replaced. An L3VPN endpoint to a VPN is merged. A new L3VPN endpoint to a VPN is added. An L3VPN endpoint to a VPN is updated.

What are two advantages of using Python virtual environments? (Choose two.). They allow for multiple Python projects to use different versions of the same dependency without conflict. They allow multiple Python applications to share virtual memory between subprocesses. They allow for isolated environments where each can use a different version of Python. They allow for all Python projects to utilize the same set of shared dependencies. They allow for multiple virtual machines to share a single Python environment.