When creating service chains in a cloud networking environment, what is the purpose of a service instance?

• A.It is a bit-level copy of an existing service.
• B.It defines the general service parameters of a service.
• C.It identifies the virtual networks in a service chain.
• D.It is the entity that will be performing a service.

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Refer to the exhibit.

Referring to the exhibit, you notice that the compute-4 and compute-5 nodes are not in an operational state.
What caused this problem?

• A.The compute nodes' BGP peering sessions are down.
• B.The compute nodes do not have the Glance service running.
• C.The compute nodes do not have the vRouter agent running.
• D.The compute nodes' XMPP peering sessions are down.

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You are not able to view a specific Glance image under a project named Administrator in OpenStack. However, you are able to view the same image in a different project named ProjectA.
What is the problem in this scenario?

• A.There is an issue with Keystone authentication.
• B.Only ISO, qcow2, and raw image types can be seen under all of the projects.
• C.The image is not marked as public.
• D.You have restricted access to the project named Administrator.

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What are two networking components of OpenStack? (Choose two.)

• A.Neutron
• B.Nova
• C.Ironic
• D.Barbican

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Which two statements about SDN and NFV are true? (Choose two.)

• A.NFV decouples network services from hardware appliances so they can run in software.
• B.SDN separates network control and forwarding functions and provides a centralized view of the network.
• C.SDN decouples network services from hardware appliances so they can run in software.
• D.NFV separates network control and forwarding functions and provides a centralized view of the network.

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