单选题What is the purpose of the OSPF link-state update packet?（）A describes a change to the OSPF hello timerB carries one or more link-state advertisementsC establishes and maintains neighbor relationshipsD describes the contents of the entire link-state da

题目

单选题

What is the purpose of the OSPF link-state update packet?（）

describes a change to the OSPF hello timer

carries one or more link-state advertisements

establishes and maintains neighbor relationships

describes the contents of the entire link-state database

参考答案和解析

正确答案： B

解析：暂无解析

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第1题

The OSPF hello protocol performs which of the following tasks?()A. It provides dynamic neighbor discoveryB. It detects unreachable neighbors in 90 second intervalsC. It maintains neighbor relationshipsD. It negotiates correctness parameters between neighboring interfacesE. It uses timers to elect the router witch the fastest links as the designated routerF. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF

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第2题

What information does a router running a link－state protocol use to build and maintain its topological database?()A. hello packetsB. SAP messages sent by other routersC. LSAs from other routersD. beacons received on point-to-point linksE. routing tables received from other link-state routersF. TTL packets from designated routers

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第3题

OSPF is a link-state routing protocol。It is designed to be run internal to a single （）system。Each OSPF router maintains an identical （）describing the autonomous system’s topology。From this database，a routing table is calculated by constructing a shortest-path （）。OSPF recalculates routes quickly in the face of topological changes，utilizing a minimum of routing （74） traffic。OSPF provides support for equal-cost multipath。An area routing capability is provided，enabling an additional level of routing protection and a reduction in routing protocol （）。A.protocol B.network C.broadcast D.multipath

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第4题

OSPF is a link-state routing protocol。It is designed to be run internal to a single （71）system。Each OSPF router maintains an identical （）describing the autonomous system’s topology。From this database，a routing table is calculated by constructing a shortest-path （）。OSPF recalculates routes quickly in the face of topological changes，utilizing a minimum of routing （） traffic。OSPF provides support for equal-cost multipath。An area routing capability is provided，enabling an additional level of routing protection and a reduction in routing protocol （）。A.autonomous B.network C.computer D.server

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第5题

OSPF路由协议是一种典型的链路状态（Link-state）路由协议，一般用于同一个（）内。

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第6题

Which three are benefits of IS - IS over OSPF?（）A、supports route tagsB、supports more routers in an areaC、does not require Hello packets to establish neighbor relationshipsD、produces fewer link state advertisements for a given networkE、supports network layer protocols other than IPF、requires fewer neighbor relationships in a broadcast multiaccess network

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第7题

The OSPF hello protocol performs which of the following tasks?（）A、It provides dynamic neighbor discoveryB、It detects unreachable neighbors in 90 second intervalsC、It maintains neighbor relationshipsD、It negotiates correctness parameters between neighboring interfacesE、It uses timers to elect the router witch the fastest links as the designated routerF、It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF

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单选题What is the purpose of the OSPF link-state update packet?（）A describes a change to the OSPF hello timerB carries one or more link-state advertisementsC establishes and maintains neighbor relationshipsD describes the contents of the entire link-state da

题目

参考答案和解析

更多“单选题What is the purpose of the OSPF link-state update packet?（）A describes a change to the OSPF hello timerB carries one or more link-state advertisementsC establishes and maintains neighbor relationshipsD describes the contents of the entire link-state da”相关问题

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