CCNA 4 Routing & Switching Essentials Ver 6.0 – ITN Chapter 7 Exam Answers

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CCNA 4 Routing & Switching Essentials Ver 6.0 – ITN Chapter 7 Exam Answers
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  1. Which IoT pillar extends cloud connectivity closer to the network edge?

    network connectivity pillar
    fog computing pillar*
    management and automation pillar
    application enablement platform pillar

  2. Which cybersecurity solution is described in the security pillar of the Cisco IoT System to address the security of power plants and factory process lines?

    IoT network security
    cloud computing security
    operational technology specific security*
    IoT physical security

  3. Which cloud computing opportunity would provide the use of network hardware such as routers and switches for a particular company?

    infrastructure as a service (IaaS)*
    software as a service (SaaS)
    browser as a service (BaaS)
    wireless as a service (WaaS)

  4. What technology allows users to access data anywhere and at any time?

    Cloud computing*
    virtualization
    micromarketing
    data analytics

  5. The exhibit is not required to answer the question. The exhibit shows a fog covering trees on the side of a mountain.What statement describes Fog computing?

    It requires Cloud computing services to support non-IP enabled sensors and controllers.
    It supports larger networks than Cloud computing does.
    It creates a distributed computing infrastructure that provides services close to the network edge.*
    It utilizes a centralized computing infrastructure that stores and manipulates big data in one very secure data center.

  6. Which Cloud computing service would be best for a new organization that cannot afford physical servers and networking equipment and must purchase network services on-demand?

    ITaaS
    SaaS
    PaaS
    IaaS*

  7. What is an example of an M2M connection in the IoT?

    A user sends an email over the Internet to a friend.
    Sensors in a warehouse communicate with each other and send data to a server block in the cloud.*
    Redundant servers communicate with each other to determine which server should be active or standby.
    An automated alarm system in a campus sends fire alarm messages to all students and staff.

  8. What is the term for the extension of the existing Internet structure to billions of connected devices?

    M2M
    digitization
    IoT*
    SCADA

  9. Which statement describes the Cisco IoT System?

    It is a switch operating system to integrate many Layer 2 security features.
    It is an advanced routing protocol for cloud computing.
    It is an infrastructure to manage large scale systems of very different endpoints and platforms.*
    It is a router operating system combining IOS and Linux for fog computing.

  10. Which three network models are described in the fog computing pillar of the Cisco IoT System?

    (Choose three.)

    fog computing*
    client/server*
    P2P
    cloud computing*
    peer-to-peer
    enterprise WAN

  11. Which cloud model provides services for a specific organization or entity?

    a public cloud
    a hybrid cloud
    a private cloud*
    a community cloud

  12. How does virtualization help with disaster recovery within a data center?

    improvement of business practices
    supply of consistent air flow
    support of live migration*
    guarantee of power

  13. What is a difference between the functions of Cloud computing and virtualization?

    Cloud computing separates the application from the hardware whereas virtualization separates the OS from the underlying hardware.*
    Cloud computing requires hypervisor technology whereas virtualization is a fault tolerance technology.
    Cloud computing utilizes data center technology whereas virtualization is not used in data centers.
    Cloud computing provides services on web-based access whereas virtualization provides services on data access through virtualized Internet connections.

  14. Which two business and technical challenges does implementing virtualization within a data center help businesses to overcome? (Choose two.)

    physical footprint*
    server hardware needs
    virus and spyware attacks
    power and air conditioning*
    operating system license requirements

  15. Which statement describes the concept of cloud computing?

    separation of operating system from hardware
    separation of management plane from control plane
    separation of application from hardware*
    separation of control plane from data plane

  16. Which is a characteristic of a Type 2 hypervisor?

    best suited for enterprise environments
    installs directly on hardware
    does not require management console software*
    has direct access to server hardware resources

  17. Which is a characteristic of a Type 1 hypervisor?

    does not require management console software
    installed directly on a server​*
    installed on an existing operating system​
    best suited for consumers and not for an enterprise environment

  18. How is the control plane modified to operate with network virtualization?

    Control plane redundancy is added to each network device.
    The control plane on each device is interconnected to a dedicated high-speed network.
    A hypervisor is installed in each device to allow multiple instances of the control plane.
    The control plane function is consolidated into a centralized controller.*

  19. Which technology virtualizes the network control plane and moves it to a centralized controller?

    IaaS
    SDN*
    fog computing
    cloud computing

  20. Which two layers of the OSI model are associated with SDN network control plane functions that make forwarding decisions? (Choose two.)

    Layer 1
    Layer 2*
    Layer 3*
    Layer 4
    Layer 5

  21. What pre-populates the FIB on Cisco devices that use CEF to process packets?

    the adjacency table
    the routing table*
    the DSP
    the ARP table

  22. Which type of hypervisor would most likely be used in a data center?

    Type 1*
    Hadoop
    Nexus
    Type 2

  23. What component is considered the brains of the ACI architecture and translates application policies​?

    the Application Network Profile endpoints
    the Nexus 9000 switch
    the hypervisor​
    the Application Policy Infrastructure Controller*

  24. Fill in the blank.

    In an IoT implementation, devices will be connected to a
    network to share the same infrastructure and to facilitate communications, analytics, and management.
    Correct Answer: converged

  25. Fill in the blank.

    In a scenario where a user with a laptop running the Mac OS installs a Windows virtual OS instance, the user is implementing a Type
    hypervisor.
    Correct Answer: 2

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