Cisco CCNP Service Provider 350-501 Questions & Answers

• Question 401:

  Which statement about LDP Session Protection and LDP-IGP sync is true?

  A. Both LDP features cannot be used at the same time in a MPLS LDP enabled network

  B. LDP Session Protection re-exchanges label information when a down-up event occurs; LDP-IGP sync keeps the adjacency and label information in a down-up event

  C. LDP-IGP sync re-exchanges label information when a down-up event occurs; LDP Session Protection keeps the adjacency and label information in a down-up event

  D. Both LDP features must be used together to increase fast convergence on an MPLS LDP-enabled network

  Correct Answer: A

• Question 402:

  Which statement about Network Services Orchestrator (NSO) is true?

  A. It must use SDN as an overlay for addressing.

  B. It uses YANG modeling language to automate devices.

  C. It is used only in service provider environments.

  D. It can be used only with XML coding.

  Correct Answer: B

• Question 403:

  Refer to the exhibit.

  

  Which statement describes this configuration?

  A. Router 1 has a new data store to collect SNMP information, but configuration must still be done at the CLI only.

  B. Router 1 can be remotely managed by the CLI using Telnet.

  C. Router 1 has its running configuration locked so changes can be made only when the administrator issues a kill session.

  D. Router 1 has a temporary data store where a copy of the running configuration can be manipulated and verified before committing the configuration.

  Correct Answer: D

  Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/169/b_169_programmability_cg/configuring_yang_datamodel.html

• Question 404:

  Refer to the exhibit.

  

  What does this value mean when it is received in XML?

  A. It indicates a value assigned by a network administrator to tag a route.

  B. It indicates a break in a sequence.

  C. It means a data field is blank.

  D. It shows the ending of the script.

  Correct Answer: C

• Question 405:

  What do Ansible and SaltStack have in common?

  A. They both have agents running on the client machine.

  B. They both can be designed with more than one master server.

  C. They both use DSL configuration language.

  D. They both use YAML configuration language.

  Correct Answer: D

  Reference: https://www.edureka.co/blog/chef-vs-puppet-vs-ansible-vs-saltstack/

• Question 406:

  Refer to the exhibit.

  

  This output is included at the end of an output that was provided by a device using NETCONF. What does the code show?

  A. It shows that the full configuration is being modeled by YANG.

  B. It shows NETCONF uses remote procedure calls.

  C. It shows the hostname of the device as rpc-reply.

  D. It shows that the running configuration is blank.

  Correct Answer: B

• Question 407:

  Which two uses of the YANG data modeling language are true? (Choose two.)

  A. It can be used to model the configuration used by NETCONF operations.

  B. It can be used to access a device by HTTP.

  C. It can be used to replace the OSI model for troubleshooting.

  D. It can be used to shape state data of network elements.

  E. It can be used to replace RESTCONF as a mechanism to install and manipulate configuration.

  Correct Answer: AD

  The same document (1st page, 3rd paragraph) hold this line:

  "YANG is primarily used to model the configuration and state data used by NETCONF operations."

  Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/1611/b_1611_programmability_cg/configuring_yang_datamodel.pdf

• Question 408:

  Refer to the exhibit.

  

  What does the REST API command do?

  A. It removes the information identified by Descriptions.xml.

  B. It executes the information specified in Descriptions.xml.

  C. It retrieves the information requested by Descriptions.xml.

  D. It displays the information identified by Descriptions.xml.

  Correct Answer: B

• Question 409:

  Refer to the exhibit.

  

  What is the URL used for with REST API?

  A. It is used to initiate an FTP session to save a running configuration of a device.

  B. It is used to send a message to the APIC to perform an operation on a managed object or class operator.

  C. It is used to contact a URL filter to determine the efficacy of a web address.

  D. It is used to send a TACACS + authentication request to a server.

  Correct Answer: B

• Question 410:

  Which service is a VNF role?

  A. Network

  B. Firewall

  C. Storage

  D. Compute

  Correct Answer: B