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Questions and Answers
What is the function of network function virtualization (NFV) as discussed in the text?
What is the function of network function virtualization (NFV) as discussed in the text?
What is the primary role of a hypervisor, such as Virtual Machine Manager (VMM), in a virtual server environment?
What is the primary role of a hypervisor, such as Virtual Machine Manager (VMM), in a virtual server environment?
What is the purpose of vSwitches in a virtual server environment?
What is the purpose of vSwitches in a virtual server environment?
What do virtual switches, or vSwitches, support in a virtual server environment?
What do virtual switches, or vSwitches, support in a virtual server environment?
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What is the role of virtual network interface cards (vNICs) in a virtual server environment?
What is the role of virtual network interface cards (vNICs) in a virtual server environment?
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How are virtual network connections configured and managed in a virtual server environment?
How are virtual network connections configured and managed in a virtual server environment?
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What provides uplinks from the virtual world to the physical world in a virtual server environment?
What provides uplinks from the virtual world to the physical world in a virtual server environment?
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What is the primary advantage of using virtual servers over physical server farms?
What is the primary advantage of using virtual servers over physical server farms?
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Which technology moves network devices and infrastructure directly into the hypervisor in a virtual server environment?
Which technology moves network devices and infrastructure directly into the hypervisor in a virtual server environment?
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What is the main role of vSwitches in a virtual server environment?
What is the main role of vSwitches in a virtual server environment?
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Which feature of vSwitches enables the combining of multiple network connections into a single aggregated link?
Which feature of vSwitches enables the combining of multiple network connections into a single aggregated link?
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What technology connects virtual servers to the rest of the network in a virtual server environment?
What technology connects virtual servers to the rest of the network in a virtual server environment?
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In a virtual server environment, what does the hypervisor manage access to for all virtual systems?
In a virtual server environment, what does the hypervisor manage access to for all virtual systems?
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What is the function of a hypervisor in a virtual server environment?
What is the function of a hypervisor in a virtual server environment?
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What is the primary advantage of using virtual servers over physical server farms?
What is the primary advantage of using virtual servers over physical server farms?
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How do virtual switches, or vSwitches, support virtual machines within a hypervisor?
How do virtual switches, or vSwitches, support virtual machines within a hypervisor?
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What technology moves network devices and infrastructure directly into the hypervisor in a virtual server environment?
What technology moves network devices and infrastructure directly into the hypervisor in a virtual server environment?
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What is the role of virtual network interface cards (vNICs) in a virtual server environment?
What is the role of virtual network interface cards (vNICs) in a virtual server environment?
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What do vSwitches primarily enable within a hypervisor in a virtual server environment?
What do vSwitches primarily enable within a hypervisor in a virtual server environment?
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Study Notes
- Companies have shifted from physical server farms to virtual servers in recent years.
- Instead of needing individual physical servers, virtual servers can be created within a single physical device.
- With network function virtualization (NFV), network devices and infrastructure are moved directly into the hypervisor.
- Network switching, routing, VLANs, firewalls, and other network functions are contained within the virtual system.
- Virtual network devices, such as switches and routers, can be easily deployed and managed within the hypervisor.
- A hypervisor, such as Virtual Machine Manager (VMM), manages all operating systems, virtual systems, and virtual network connections.
- The hypervisor manages access to CPU, memory, and network for all virtual systems.
- Virtual switches, or vSwitches, are used to connect virtual machines within a hypervisor.
- vSwitches support features like NetFlow, Link Aggregation Control Protocol (LACP), and port mirroring.
- Virtual network interface cards, or vNICs, connect virtual servers to the rest of the network.
- Virtual network connections are configured and managed through the hypervisor.
- Uplinks from the virtual world to the physical world are provided by physical network interfaces.
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Description
Test your knowledge of virtual servers, network function virtualization (NFV), hypervisors, vSwitches, and virtual network connections.
