CCNPv8 ENCOR (Version 8.0) – Chapters 27 – 29: Virtualization, Automation, and Programmability Exam Answers Full 100% 2024

CCNPv8 ENCOR (Version 8.0) – Chapters 27 – 29: Virtualization, Automation, and Programmability Exam Answers Full 100% 2024

1. Which term defines a software emulation of a physical server with an operating system?

   • virtual machine
   • container
   • Guest OS
   • container image

2. What component enables VMs within a virtualized server environment to communicate with each other and with external networks?

   • vSwitch
   • hypervisor
   • container engine
   • guest OS

3. What is a characteristic of a virtual machine?

   • It is equipped with a guest OS.
   • It includes only components required to run an application.
   • It is lightweight and small in size.
   • It leverages the kernel of the host OS for fast load times.

4. What are three responsibilities of the the NFV virtualized infrastructure manager? (Choose three.)

   • managing and controlling NFVI hardware resources
   • collecting performance measurements and fault information
   • performing life cycle management of all NFVI resources
   • performing all FCAPS functions for VNFs
   • creating, maintaining, and tearing down VNF network services
   • creating an end-to-end network

5. Which two components of the ETSI NFV architectural framework make up the NFV management and orchestration (MANO)? (Choose two.)

   • NFV orchestrator
   • VNF manager
   • Virtualized Infrastructure Manager
   • NFV infrastructure
   • OSS/BSS

6. In an Open vSwitch (OVS) architecture, which component resides in the kernel space and forwards packets from the network stack to the vNIC of the VM?

   • vSwitch
   • pNIC
   • pNIC driver
   • emulated PCIe device

7. What term is used to define the software process that creates VMs and performs hardware abstraction to support VMs?

   • hypervisor
   • container
   • element manager
   • Virtualized Infrastructure Manager (VIM)

8. What function does Cisco DNA Center provide as part of a Cisco enterprise NFV solution?

   • VNF management and orchestration
   • CPU, memory, and storage resources to run NVFs and applications
   • VNF life cycle management, monitoring, device programmability, and hardware acceleration
   • communication between different VNFs and to the outside world

9. Match each VNF term to its description.

   

   • interrupt request (IRQ) ==> hardware signal sent to the CPU by an I/O device
   • kernel ==> core part of an operating system
   • I/O device ==> peripheral device
   • direct memory access (DMA) ==> memory access method

10. What is a limitation when PCI Passthrough is deployed?

    • VNFs cannot share pNICs.
    • A dedicated CPU core is required to poll pNICs and process incoming data.
    • CPU utilization in increased.
    • Traffic between VNFs must be switched by an external switch.

11. What is the function provided by the OSS/BSS components of the ETSI NFV architectural framework?

    • They support network systems and services that run business operations.
    • They collect performance measurements and fault information.
    • They perform life cycle management of all NFVI resources.
    • They perform all FCAPS functions for VNFs.

12. Which two HTTP functions correspond to the UPDATE function in CRUD? (Choose two.)

    • GET
    • PUT
    • POST
    • PATCH
    • DELETE

13. What are two syntax rules for writing a JSON array? (Choose two.)

    • Values are enclosed in square brackets.
    • Each value in the array is separated by a comma.
    • A semicolon separates the key and list of values.
    • A space must separate each value in the array.
    • The array can include only one value type.

14. Refer to the exhibit. Which data format is used to represent the data for network automation applications?

    

    • XML
    • YAML
    • HTML
    • JSON

15. Which API does the Cisco DNA Center controller use for user authentication?

    • Token
    • Fabric Device
    • Authentication
    • Network Device

16. Refer to the exhibit. What is the meaning of the config false statement under the observed-speed leaf node?

    

    • The value of the leaf node is the default value.
    • The value of the leaf node is a comment string.
    • The value of the leaf node cannot be configured.
    • The value of the leaf node has not been configured yet.

17. Which statement describes the function of GitHub?

    • It is an online game site.
    • It is a hosted web-based repository for code.
    • It is an online storage service for personal files.
    • It is a service provider for virtualized servers and applications.

18. Which type of API is used to carry configuration changes from a network controller to individual network devices in network automation applications?

    • eastbound
    • lower layer
    • northbound
    • southbound

19. What is JSON?

    • It is a database.
    • It is a scripting language.
    • It is a compiled programming language.
    • It is a data format for storing and transporting data.

20. A network administrator is checking and making configuration changes on a network device from home. What are two ways to secure the connection between the command-line interface (CLI) of the network device and the remote workstation used by the administrator? (Choose two.)

    • through an HTTP interface
    • through an SSH connection
    • through a VPN connection
    • through a Telnet connection
    • through a virtual terminal application

21. What is the characteristic of the Postman application that relates to using APIs?

    • It is a web-based email client.
    • It provides a GUI to interact with remote workstations.
    • It is a web-based application to connect to various network devices.
    • It uses a console-based approach to interact with APIs.

22. The following program was created in Python.

    user_input = int( input(" What is 3 * 2? "))
    if (user_input = 6):
    print (" Correct!")
    else: print (" Incorrect...")

    Why does the program result in an error?

    • There should be double equal signs when checking conditional equality.
    • The quotation mark is not needed in the print function.
    • The user_input variable was not defined.
    • 3 * 2 does not equal 6.

23. Refer to the exhibit. Which data format is used to represent the data for network automation applications?

    

    • XML
    • HTML
    • YAML
    • JSON

24. Which term is used to describe a set of instructions for execution by the configuration management tool Puppet?

    • Pillar
    • Manifest
    • Playbook
    • Cookbook

25. Match the automation tool with the description.

    

    • Embedded Event Manager ==> software component of the Cisco IOS that automates tasks
    • Ansible ==> automation tool that uses playbooks written in YAML
    • Chef ==> configuration management tool written in Ruby
    • SaltStack ==> configuration management tool built on Python
    • automation tool that uses playbooks written in YAML ==> Not mathed

26. What is the SaltStack agent called that runs on nodes?

    • minion
    • reactor
    • chef
    • station

27. In a hosted Chef type of deployment, where is the Chef server located?

    • in the cloud
    • on a workstation
    • on a LAN located near to the other chef components
    • in the enterprise core

28. Which statement describes the Cisco Embedded Event Manager?

    • It is a Cisco IOS tool that allows engineers to build task automation software applets.
    • It is a centralized management platform that aggregates and correlates threat events.
    • It is a collector and aggregator of network telemetry data that performs network security analysis and monitoring.
    • It is a security policy management platform that provides highly secure network access control (NAC) to users and devices.

29. Which configuration management tool uses an agentless approach?

    • Chef
    • Ansible
    • Puppet
    • SaltStack

30. Match the Ansible Playbook structure component to the use case.

    

    • playbook ==> enforces configuration and/or deployment steps
    • play ==> issues show commands to retrieve output
    • task ==> applies policies or configurations to a group of hosts

31. In which type of deployment is the Chef server hosted in the cloud?

    • hosted Chef
    • private Chef
    • Chef Solo
    • Chef Client and Server

32. What is a characteristic of the Cisco Embedded Event Manager?

    • It is a software component of the Cisco IOS.
    • It uses playbooks written in YAML to deploy configuration changes.
    • It is built on Python and has a Python programming interface.
    • It is an open source tool based on the Ruby language.

33. Which language is used to write Ansible playbooks?

    • YAML
    • JSON
    • Python
    • YANG

34. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of Ansible ?

    • It is an agentless automation tool.
    • It is a hosted web-based repository that uses version control for storing and sharing code.
    • It is a free online tool that can check the format of programmed files to verify that they have valid syntax.
    • It is a programming interface that communicates from a network controller to its management software.

35. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of Ansible ?

    • It is an agentless automation tool.
    • It is a hosted web-based repository that uses version control for storing and sharing code.
    • It is a free online tool that can check the format of programmed files to verify that they have valid syntax.
    • It is a markup programming language.

36. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of Chef ?

    • It is an open source configuration management tool that is designed to automate configurations and operations of a network and server environment.
    • It is a markup programming language.
    • It is a free online tool that can check the format of programmed files to verify that they have valid syntax.
    • It is a hosted web-based repository that uses version control for storing and sharing code.

37. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of SaltStack SSH ?

    • It is an agentless option of a configuration management tool that allows users to run commands without having to install an agent on the remote device or node.
    • It is a programming interface that takes changes made to the management software and pushes the changes down to the individual devices.
    • It is a programming interface that communicates from a network controller to its management software.
    • It is an acronym that describes functions that most applications or databases use to store or alter data.

38. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of CRUD ?

    • It is an acronym that describes functions that most applications or databases use to store or alter data.
    • It is a data model that describes what can be configured, monitored, executed, and reset on a device.
    • It is a data format that stores all of its information in key/value pairs and surrounds each object with curly braces.
    • It is an application that can interact with APIs using a console-based approach and allows various data types and formats to interact with REST-based APIs.

39. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of CRUD ?

    • It is an acronym that describes functions that most applications or databases use to store or alter data.
    • It is a data model that describes what can be configured, monitored, executed, and reset on a device.
    • It is a data format that stores all of its information in key/value pairs and surrounds each object with curly braces.
    • It is a programming interface that takes changes made to the management software and pushes the changes down to the individual devices.

40. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of GitHub ?

    • It is a hosted web-based repository that uses version control for storing and sharing code.
    • It is an application that can interact with APIs using a console-based approach and allows various data types and formats to interact with REST-based APIs.
    • It is an acronym that describes functions that most applications or databases use to store or alter data.
    • It is a data format that stores all of its information in key/value pairs and surrounds each object with curly braces.

41. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of Puppet ?

    • It is a configuration management and automation tool with a downloadable Cisco module to support Cisco devices.
    • It is a markup programming language.
    • It is a free online tool that can check the format of programmed files to verify that they have valid syntax.
    • It is a hosted web-based repository that uses version control for storing and sharing code.

42. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of CRUD ?

    • It is an acronym that describes functions that most applications or databases use to store or alter data.
    • It is a data model that describes what can be configured, monitored, executed, and reset on a device.
    • It is a markup programming language.
    • It is a free online tool that can check the format of programmed files to verify that they have valid syntax.

43. A student is studying in preparation for an interview for a job in programming and network automation. What is a characteristic of Ansible ?

    • It is a simple, open source automation tool that is capable of automating cloud provisioning, deployment of applications, and configuration management.
    • It is a free online tool that can check the format of programmed files to verify that they have valid syntax.
    • It is a hosted web-based repository that uses version control for storing and sharing code.
    • It is a markup programming language.