JNCIP: Juniper Networks Certified Internet Professional Study Guide
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- vapor corrosion inhibitor (VCI)
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Small cylinder packed with the router that prevents corrosion of the chassis and components during shipment.
- virtual circuit
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Represents a logical connection between two Layer 2 devices in a network.
- virtual circuit identifier (VCI)
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A 16-bit field in the header of an ATM cell that indicates the particular virtual circuit the cell takes through a virtual path. Also called a logical interface.
- virtual link
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In OSPF, a link created between two routers that are part of the backbone but are not physically contiguous.
- virtual local area network (VLAN)
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A grouping of end hosts within a single IP subnet. These hosts usually reside on multiple physical segments and are connected through a Layer 2 Ethernet switched network.
- virtual path
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A combination of multiple virtual circuits between two devices in an ATM network.
- virtual path identifier (VPI)
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The 8-bit field in the header of an ATM cell that indicates the virtual path the cell takes. See also virtual circuit identifier (VCI).
- virtual private network (VPN)
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A private data network that makes use of a public TCP/IP network, typically the Internet, while maintaining privacy with a tunneling protocol, encryption, and security procedures.
- Virtual Router Redundancy Protocol (VRRP)
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On Fast Ethernet and Gigabit Ethernet interfaces, allows you to configure virtual default routers.
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