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81.
Which of the following is not a challenge data center networks bring to cloud computing?
  • A.
    Scalability
  • B.
    Provisioning model
  • C.
    Resource decommission
  • D.
    VLAN ID depletion for tenant isolation
  • E.
    I/O consolidation
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Answer : [E]
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82.
Which of the following options is not directly related to SDN?
  • A.
    “Clean Slate” program
  • B.
    OpenStack
  • C.
    Network programmability
  • D.
    Provisioning agility
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Answer : [B]
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83.
Which of the following is not a generic network controller objective?
  • A.
    Exclusively deploy the control plane of a network
  • B.
    Network abstraction for simpler provisioning
  • C.
    Aggregation of device information
  • D.
    Single point of access for provisioning
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Answer : [A]
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84.
Which of the following correctly define the network planes? (Choose all that apply.)
  • A.
    The data plane corresponds to all processes related to the transport of data packets in a network device.
  • B.
    The control plane makes the decisions that the data plane carries out.
  • C.
    The data plane makes the decisions that the control plane carries out.
  • D.
    The control plane takes care of all communications between network devices in traditional networks.
  • E.
    The control plane is represented through software running on general-purpose CPUs, while the data plane is executed on specialized ASICs.
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Answer : [A,B,D and E]
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85.
Which of the following is not a valid action for an OpenFlow network device?
  • A.
    Send to SDN controller
  • B.
    Send to egress interface
  • C.
    Send to all ports except ingress
  • D.
    Check TCP flags
  • E.
    Send to input port
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Answer : [D]
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