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LSAck报文（Link State Acknowledgment Packet）是对哪些OSPF报文的确认。（）
- A、HELLO
- B、DD
- C、LSR
- D、LSU
- E、LSAck
参考答案
更多 “LSAck报文（Link State Acknowledgment Packet）是对哪些OSPF报文的确认。（）A、HELLOB、DDC、LSRD、LSUE、LSAck” 相关考题
考题
LSAck报文是对下列哪些OSPF报文的确认?()
A、HELLO报文(HelloPacket);B、DD报文(DatabaseDescriptionPacket);C、LSR报文(LinkStateRequestPacket);D、LSU报文(LinkStateUpdatePacket);
考题
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 database
考题
While troubleshooting some connectivity issues，you issue the “show ip ospf database”in order to ex amine the link state database. Which three of the statements below are true regarding the OSPF link state database（）A.Each router has an identical link state database.B.External routes are imported into a separate link state database.C.Syn chronization of link state databases is maintained via floodingo f LSAs.D.Information in the link state database is used to build a routing table by calculating a shortest-path tree.E.By default,link state databases are refreshede very 10 minutes in the absence of topology changes.
考题
OSPF包括哪些报文类型()
A.HelloB.Database descriptionC.Link state requestD.Link state DDE.Link state advertisement
考题
LSAck报文是对下列哪种OSPF报文的确认（）。A、HELLO报文（Hello Packet）B、DD报文（Database Description Packet）C、LSR报文（Link State Request Packet）D、LSU报文（Link State Update Packet）
考题
两台运行OSPF协议的路由器通过点对点的链路相连，在两者链路状态数据库达到同步（邻居状态机为FULL）之后的2个小时之内，在两台路由器之间的链路上，一定有下列的那些报文在传递？（）A、HELLO报文（Hello Packet）B、DD报文（Database Description Packet）C、LSR报文（Link State Request Packet）D、LSU报文（Link State Update Packet）E、LSAck报文（Link State Acknowledgmen Packet）
考题
两台运行OSPF协议的路由器通过点对点的链路相连，在两者链路状态数据库达到同步（邻居状态机为FULL）之后的2个小时之内，在两台路由器之间的链路上，一定有下列的那些报文在传递？（）A、HELLO报文（Hello Packet）B、DD报文（Database Description Packet）C、LSR报文（Link State Request Packet）D、LSAck报文（Link State Acknowledgmen Packet）
考题
Which two statements are correct regarding IS-IS?（）A、Routers maintain a single link-state database per area.B、Routers maintain a separate Level 1 link-state database.C、Routers maintain a separate Level 2 link-state database.D、Routers maintain a single Level 1 link-state database across multiple areas.
考题
OSPF选举DR、BDR时会使用如下的那些报文？
A、HELLO报文（HelloPAcket）；B、DD报文（DAtAbAseDescriptionPAcket）；C、LSR报文（LinkStAteRequestPAcket）；D、LSU报文（LinkStAteUpdAtePAcket）；E、LSAck报文（LinkStAteAcknowledgmenPAcket）；
考题
LSAck报文是对下列哪些OSPF报文的确认？
A、HELLO报文（HelloPAcket）；B、DD报文（DAtAbAseDescriptionPAcket）；C、LSR报文（LinkStAteRequestPAcket）；D、LSU报文（LinkStAteUpdAtePAcket）；E、LSAck报文（LinkStAteAcknowledgmenPAcket）；
考题
以下属于OSPFv3报文的有（）。A、HelloB、Database DescriptionC、Link State RequestD、Link State UpdateE、Link State AcknowledgmentF、Link State Advertisement
考题
下列那些OSPF报文中会出现完整的LSA信息？（）A、HELLO报文（Hello Packet）B、DD报文（Database Description Packet）C、LSR报文（LinkState Request Packet）D、LSU报文（LinkState Update Packet）E、LSAck报文（LinkState Acknowledgmen Packet）
考题
OSPF选举DR、BDR时会使用如下的那些报文？（）A、HELLO报文（Hello Packet）B、DD报文（Database Description Packet）C、LSR报文（LinkState Request Packet）D、LSU报文（LinkState Update Packet）E、LSAck报文（LinkState Acknowledgmen Packet）
考题
如果OSPF链路故障，哪个包广播网络的变化（）A、Link-state advertisementB、Database DescriptionC、Link-state requestD、Link-state update
考题
下列哪些OSPF报文中会出现完整的LSA信息（）A、HELLO报文（Hello Packet）B、DD报文（Database Description Packet）C、LSR报文（LinkState Request Packet）D、LSU报文（LinkState Update Packet）E、LSACK报文（Link State Acknowledgmen Packet）
考题
下列哪些OSPF报文中会出现完整的LSA信息？。
A、HELLO报文（HelloPAcket）；B、DD报文（DAtAbAseDescriptionPAcket）C、LSR报文（LinkStAteRequestPAcket）；D、LSU报文（LinkStAteUpdAtePAcket）；E、LSAck报文（LinkStAteAcknowledgmenPAcket）；
考题
下列（）OSPF报文中会出现完整的LSA信息。A、HELLO报文（Hello Packet）B、DD报文（Database DescRIPtion Packet）C、LSR报文（Link State Request Packet）D、LSU报文（LinkState Update Packet）
考题
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 database
考题
多选题Which two statements are correct regarding IS-IS？（）ARouters maintain a single link-state database per area.BRouters maintain a separate Level 1 link-state database.CRouters maintain a separate Level 2 link-state database.DRouters maintain a single Level 1 link-state database per area.
考题
单选题下面关于OSPF的网络类型和特点描述正确的是（）A
在广播类型的网络中，通常以组播的形式发送hello报文、LSU报文和LSAck报文，以单播形式发送DD报文和LSR报文B
在NBMA类型的网络中，以组播形式发送hello报文、DD报文、LSR报文、LSU报文、LSACK报文C
在P2P类型的网络中，以单播形式发送hello报文、DD报文、LSR报文、LSU报文、LSACK报文D
在P2M类型网络中：以组播形式发送hello报文、DD报文，以单播形式发送LSR报文、LSU报文、LSACK报文
考题
多选题While troubleshooting some connectivity issues， you issue the "show ip ospf database" in order toexamine the link state database. Which three of the statements below are true regarding theOSPF link state database？（）AEach router has an identical link state databaseBExternal routes are imported into a separate link state databaseCSynchronization of link state databases is maintained via flooding of LSAsDInformation in the link state database is used to build a routing table by calculating a shortest-path treeEBy default， link state databases are refreshed every 10 minutes in the absence of topologychanges
考题
单选题OSPF选举DR、BDR时会使用如下的那些报文？（）。A
HELLO报文（Hello Packet）B
DD报文（Database Description Packet）C
LSR报文（Link State Request Packet）D
LSU报文（Link State Update Packet）
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