Cisco CCNP 300-535 Questions & Answers

• Question 21:

  Which two data formats are human readable? (Choose two.)

  A. YAML

  B. Apache Arrow

  C. gRPC

  D. binary

  E. JSON

  Correct Answer: AE

• Question 22:

  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

  Correct 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

• Question 23:

  

  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.

  Correct Answer: C

• Question 24:

  

  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)

  Correct Answer: C

• Question 25:

  

  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.

  Correct Answer: D

• Question 26:

  

  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))

  Correct Answer: C

• Question 27:

  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.

  Correct Answer: D

• Question 28:

  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.

  Correct Answer: CD

• Question 29:

  

  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

  Correct Answer: BE

  Reference: https://www.ciscolive.com/c/dam/r/ciscolive/apjc/docs/2016/pdf/DEVNET-1081.pdf page 25

• Question 30:

  

  Refer to the exhibit. Which XML output is a valid instantiation of the YANG model?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A