An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link()A.show ip ospfB.show ip protocolsC.show ip ospfneighborD.show ip ospfinterface

题目
An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link()

A.show ip ospf

B.show ip protocols

C.show ip ospfneighbor

D.show ip ospfinterface

相似考题

1.Which CLI command is used to see the current OSPF link－state database?()A. show ospf databaseB. show ospf neighborC. show protocols ospfD. show ospf link-state

2.Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF).Which two statements best describe the OSPF link - state routing pro tocol?（）A. OSPF sends updates every 10 secondsB. OSPF sends triggered updates when a network change occursC. When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it to all OSPF devices using the 224.0.0.6 multicast addressD. OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization

3.What are two Cisco IOS commands that can be used to view neighbor adjacencies?()A. show ip ospf interfacesB. show ip ospf protocolsC. show ip ospf neighborsD. show ip ospf database

4.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

更多“An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link() ”相关问题

  • 第1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.


    参考答案：A, C, D

  • 第2题：

    Which two link protocols are used to carry multiple VLANs over a single link?()

    A.VTP

    B.802.1q

    C.IGP

    D.ISL

    E.802.3u


    参考答案：B, D

  • 第3题：

    If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）

    • A、A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor link
    • B、A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchanged
    • C、A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door
    • D、A SHAM link is part of OSPF network of MPLS-VPN provider

    正确答案:A,B

  • 第4题：

    Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF). Which two statements best describe the OSPF link - state routing pro tocol?（）

    • A、OSPF sends updates every 10 seconds
    • B、OSPF sends triggered updates when a network change occurs
    • C、When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it  to all OSPF devices using the 224.0.0.6 multicast address
    • D、OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization

    正确答案:B,D

  • 第5题：

    如果OSPF链路故障，哪个包广播网络的变化（）

    • A、Link-state advertisement
    • B、Database Description
    • C、Link-state request
    • D、Link-state update

    正确答案:D

  • 第6题：

    What are two Cisco IOS commands that can be used to view neighbor adjacencies?（）

    • A、show ip ospf interfaces
    • B、show ip ospf protocols
    • C、show ip ospf neighbors
    • D、show ip ospf database

    正确答案:A,C

  • 第7题：

    Which mechanism can you use to achieve sub-second failover for link failure detection when a switched Ethernet media is used and loss of signal is not supported by the link provider？（）

    • A、OSPF standard hellos
    • B、Cisco Discovery Protocol link detection
    • C、Bidirectional Forwarding Detection
    • D、Fast Link Pulse
    • E、autonegotiation

    正确答案:C

  • 第8题：

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

    describes a change to the OSPF hello timer

    B

    carries one or more link-state advertisements

    C

    establishes and maintains neighbor relationships

    D

    describes the contents of the entire link-state database


    正确答案： B
    解析： 暂无解析

  • 第9题：

    多选题
    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 per area.


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    多选题
    If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）
    A

    A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor link

    B

    A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchanged

    C

    A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door

    D

    A SHAM link is part of OSPF network of MPLS-VPN provider


    正确答案： C,D
    解析： 暂无解析

  • 第11题：

    单选题
    Which command is used to display the collection of OSPF link states?（）
    A

    show ip ospf lsa database

    B

    show ip ospf link-state

    C

    show ip ospf neighbors

    D

    show ip ospf database


    正确答案： C
    解析： 暂无解析

  • 第12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？（）
    A

    Each router has an identical link state database

    B

    External routes are imported into a separate link state database

    C

    Synchronization of link state databases is maintained via flooding of 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 refreshed every 10 minutes in the absence of topologychanges


    正确答案： E,D
    解析： 暂无解析

  • 第13题：

    Which command is used to display the collection of OSPF link states?()

    A. show ip ospf lsa database

    B. show ip ospf link-state

    C. show ip ospf neighbors

    D. show ip ospf database


    参考答案：D

  • 第14题：

    OSPF包括哪些报文类型()

    A.Hello

    B.Database description

    C.Link state request

    D.Link state DD

    E.Link state advertisement


    参考答案：A, B, C

  • 第15题：

    Which three statements about OSPF areas are true?（）

    • A、Areas introduce a boundary on the link - state updates.
    • B、Areas are  logical definitions specific to any given router.
    • C、All routers within an area have the exact link - state database.
    • D、The calculation of the Dijkstra algorithm on a router is limited to changes within an area.
    • E、The area designated router will always  have a priority of 0.

    正确答案:A,C,D

  • 第16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.

    正确答案:B,C

  • 第17题：

    Which two link protocols are used to carry multiple VLANs over a single link?（）

    • A、VTP
    • B、802.1q
    • C、IGP
    • D、ISL
    • E、802.3u

    正确答案:B,D

  • 第18题：

    Which command is used to display the collection of OSPF link states？（）

    • A、show ip ospf lsa database（not A）
    • B、show ip ospf link-state
    • C、show ip ospf neighbors
    • D、show ip ospf database

    正确答案:D

  • 第19题：

    多选题
    Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF). Which two statements best describe the OSPF link - state routing pro tocol?（）
    A

    OSPF sends updates every 10 seconds

    B

    OSPF sends triggered updates when a network change occurs

    C

    When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it  to all OSPF devices using the 224.0.0.6 multicast address

    D

    OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization


    正确答案： C,A
    解析： 暂无解析

  • 第20题：

    单选题
    Which CLI command is used to see the current OSPF link-state database?（）
    A

    show ospf database

    B

    show ospf neighbor

    C

    show protocols ospf

    D

    show ospf link-state


    正确答案： B
    解析： 暂无解析

  • 第21题：

    多选题
    An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link（）
    A

    show ip ospf

    B

    show ip protocols

    C

    show ip ospfneighbor

    D

    show ip ospfinterface


    正确答案： A,B
    解析： 暂无解析

  • 第22题：

    多选题
    An OSPF link can be in multiple states at any given moment （ie. Exstart， exchange， full）. Whichtwo IOS commands let you view the state of the link？（）
    A

    show ip ospf

    B

    show ip protocols

    C

    show ip ospf neighbor

    D

    show ip ospf interface


    正确答案： B,A
    解析： 暂无解析

  • 第23题：

    多选题
    Which two commands would you use to view OSPF routes?（）
    A

    show ip route ospf

    B

    show ospf routes

    C

    show route protocol ospf

    D

    show route


    正确答案： B,D
    解析： 暂无解析

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