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Total 66 questions
DRAG DROP -
Drag and drop the components of Cisco Network Services Orchestrator from the left onto the correct definitions on the right.
Select and Place:
Answer :
Refer to the exhibit. Which two URI entries are optional and functional in this RESTCONF URI structure? (Choose two.)
- A. fragment
- B. query
- C. operation
- D. api-entry
- E. path
Answer : BE
Reference:
https://www.ciscolive.com/c/dam/r/ciscolive/apjc/docs/2016/pdf/DEVNET-1081.pdf page 25
The Netmiko BaseConnection class contains a method called "send_config_set()". Which two actions does this method perform on the device? (Choose two.)
- A. It takes a filename parameter that executes commands contained in that file on the device.
- B. It requires the user to explicitly send configure terminal and exit commands to the device to enter and exit configuration mode.
- C. It automatically enters and exits configuration mode on the device.
- D. It takes a Python iterable, such as a list of commands, and executes them in order on the device.
- E. It saves the running configuration to the startup configuration after executing the configuration commands on the device.
Answer : CD
How does using the Python with statement in conjunction with ncclient manager improve an existing NETCONF automation script?
- A. It allows the NETCONF connection to the device to be gracefully closed without having to explicitly code this action.
- B. It manages the running configuration of the device by comparing it to the new configuration applied using NETCONF.
- C. The with statement tries to connect to the device using TCP port 830 first but also tries to connect via TCP port 22.
- D. Use of the with statement catches any exceptions when trying to connect to a device using NETCONF.
Answer : D
Refer to the exhibit. Which command prints out (44, 22) when this code is run on Python 3?
- A. print(swap1(d, b))
- B. print(swap2(a, b))
- C. print(swap1(b, d))
- D. print(swap2(22, 44))
Answer : C
Refer to the exhibit. An engineer updated the skeleton template. How can a device be entered into the YANG Model?
- A. Modify the device instance of the device by referencing the acl_lab variable from our YANG model.
- B. Deploy a service instance that configures a VLAN of all of the devices present in Cisco NSO.
- C. Deploy a service instance that configures a VLAN of a list of devices referenced to the service YANG model.
- D. Modify the device instance by referencing the device variable from our YANG model.
Answer : D
Refer to the exhibit. 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?
- A. response = requests.put(baseUriOperation + "/devices/device=ios-device/ssh/fetch-host-keys", auth=auth, headers=headers)
- B. response = requests.post(baseUriOperation + "/devices/device=ios-device/ssh/fetch-host-keys", auth=auth, headers=headers)
- C. response = requests.post(baseUriOperation + "/devices/device=ios-device/ssh/request-host-keys", auth=auth, headers=headers)
- D. response = requests.put(baseUriOperation + "/devices/device=ios-device/ssh/request-host-keys", auth=auth, headers=headers)
Answer : C
Refer to the exhibit. What is the significance of "*" before the "father" leaf that is shown in the pyang tree output?
- A. It is a node list in a leaf type node.
- B. The father leaf is a key in the family list type.
- C. The leaf father is read-write in the family list.
- D. The node father is read-only in the family list.
Answer : C
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.)
- A. YAML
- B. JSON
- C. GPB
- D. JSON-RPC
- E. XML
Answer : BE
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/b_166_programmability_cg/restconf_prog_int.pdf
Which two data formats are human readable? (Choose two.)
- A. YAML
- B. Apache Arrow
- C. gRPC
- D. binary
- E. JSON
Answer : AE
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?
- A. The emsd process is not running.
- B. There are polling interval problems.
- C. SNMP is not enabled.
- D. There is no support for IOS XR 64-bit.
Answer : A
Reference:
https://community.cisco.com/t5/service-providers-documents/implementing-grpc-telemetry-on-xr-devices/ta-p/3393966
Refer to the exhibit. Based on the YANG presented, what is the correct xpath to retrieve the router named "ios-device" under the "CustomerA" service name?
- A. /ncs:abc_service/CustomerA/ios-device
- B. /abc_service/CustomerA/"ios-device"
- C. /ncs:service/abc_service/"CustomerA"/ios-device
- D. /ncs:services/abc_service/CustomerA/ios-device
Answer : D
What are two fundamental design constraints of a RESTful API? (Choose two.)
- A. It includes a series of interactions to the API that are dependent on one another.
- B. It is dependent on the communication protocol being HTTP.
- C. It exposes procedures or functions for a client call.
- D. Each interaction is independent from all others on the server side.
- E. It is a client-server communication model where the client and the server are independent of one another.
Answer : DE
Which two operations must be used to allow a network engineer to use NETCONF to configure and manage networking devices? (Choose two.)
- A. <get-config>
- B. <open-session>
- C. <close-session>
- D. <remove-config>
- E. <put>
Answer : AC
FILL BLANK -
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.
Answer : Ncclient
Reference:
https://pypi.org/project/ncclient/