Internet Protocol Analysis/Routing/Quiz

{ Routing is the process of { selecting paths in a network along which to send network traffic (i) _66 }.
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{ Static routing involves { manual (i) _8 } updating of routing tables with { fixed (i) _7 } paths to destination networks.
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{ Dynamic or adaptive routing involves { automatic (i) _11 } updating of routing tables based on { information carried by routing protocols (i) _42 }.
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{ Routing protocols are divided into { interior (i) _10 } and { exterior (i) _10 } protocols. { Interior (i) _10 } protocols are further divided into { distance-vector (i) _17 } protocols and { link-state (i) _12 } protocols.
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{ { Distance-vector (i) _17 } routing protocols are simple and efficient in small networks. Larger networks use { link-state (i) _10 } routing protocols.
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{ { Distance-vector (i) _17 } routing protocols require that a router informs its neighbors of topology changes periodically. Each link is assigned a numeric distance or cost value, and information is shared among neighboring routers to accumulate a total cost to a given destination.
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{ { Link-state (i) _10 } protocols require that a router inform all the nodes in a network of topology changes. Each node shares information regarding the nodes it can connect to with the entire network so that each node can build its own network map and determine for itself the least cost path to any given node.
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{ Routing Information Protocol (RIP) is a { distance-vector (i) _17 } routing protocol which employs the hop count as a routing metric. RIP uses { the User Datagram Protocol (UDP) (i) _34 } as its transport protocol, and is assigned the reserved port number { 520 _5 }.
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{ Open Shortest Path First (OSPF) is a { link-state (i) _10 } routing protocol. OSPF does not use a TCP/IP transport protocol (UDP, TCP), but is encapsulated directly in IP datagrams with protocol number { 89 _4 }.
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{ Enhanced Interior Gateway Routing Protocol (EIGRP) is a { Cisco proprietary advanced distance-vector (i) _44 } routing protocol, with optimizations to minimize both the routing instability incurred after topology changes, as well as the use of bandwidth and processing power in the router.
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{ Border Gateway Protocol (BGP) is the protocol which makes core routing decisions on the Internet. BGP uses { the Transmission Control Protocol (TCP) (i) _41 } as its transport protocol, and is assigned the reserved port { 179 _5 }.
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