单选题IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS - IS?（）A A generic HelloB Point - to - point Level 1, point - to -point Level 2, LAN Level 1, L

题目
单选题
IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets  used in IS - IS?（）
A

A generic Hello

B

Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2

C

Point - to - point Level 1, point - to - point Level 2, LAN

D

Point - to - point, LAN Level 1, LAN Level 2

相似考题

1.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

2.IS － IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS － IS?()A. A generic HelloB. Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2C. Point - to - point Level 1, point - to - point Level 2, LAND. Point - to - point, LAN Level 1, LAN Level 2

3.IS － IS is often considered an alternative to OSPF in the IP world. Which two statements identify similarities between IS －IS and OSPF?()A. support for designated intermediate systems and backup designated intermediate systemsB. support for multip le areas per routerC. support for classless routingD. support for address summarization between areasE. support for both DIS adjacencies and neighbor adjacencies

4.Which statement is correct based upon the following output from the show command on RT1 ? ()A. OSPFv3 establishes neighbor adjacencies by using global IPv6 addresses.B. OSPFv3 establishes neighbor adjacencies by using Link - local addresses.C. RT1 owns a subnet mask of 64 bits.D. OSPFv3 establishes neighbor adjacencies by using IPv4 addr esses.

更多“IS - IS creates and maintains adjacencies and neighbor relat”相关问题

  • 第1题：

    Refer to the exhibit. Based on the output from the show command on RT1which statement is true? ()

    A. OSPFv3 uses global IPv6 addresses to establish neighbor adjacencies.

    B. RT1 has a subnet mask of 64 bits .

    C. RT1 has FastEthernet0/0 set as a DR for network type broadcast.

    D. OSPFv3 uses Link - local addresses to establish neighbor adjacencies.

    E. RT1does not have a global IPv6 address set on FastEthernet0/0.

    F. OSPFv3 uses IPv4 addresses to establish nei ghbor adjacencies.


    参考答案：D

  • 第2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


    参考答案：A, C

  • 第3题：

    IS - IS is often considered an alternative to OSPF in the IP world. Which two statements identify similarities between IS -IS and OSPF?（）

    • A、support for designated intermediate systems and backup designated intermediate systems
    • B、support for multip le areas per router
    • C、support for classless routing
    • D、support for address summarization between areas
    • E、support for both DIS adjacencies and neighbor adjacencies

    正确答案:C,D

  • 第4题：

    What is the purpose of the OSPF hello packet？（）

    • A、 advertises reachable networks
    • B、 acknowledges the receipt of update packets
    • C、 establishes and maintains neighbor relationships
    • D、 describes the contents of the link-state database

    正确答案:C

  • 第5题：

    Which of the following are correct statements？（）

    • A、EIGRP advertises the best routes to its neighbor
    • B、EIGRP uses "cost" to determine best path
    • C、EIGRP allows unequal cost load balancing
    • D、OSPF requires neighbor adjacencies before updates are sent
    • E、EIGRP advertises all routes to its neighbor
    • F、OSPF allows unequal cost load balancing

    正确答案:A,C,D

  • 第6题：

    Which statement describes OTV configuration on the Cisco Nexus 7000 Series Switches？ （）

    • A、 The OTV control-plane protocol uses the IS-IS protocol to establish adjacencies and exchange MAC reachability across the overlay network. You must enable IS-IS with the feature isis command before OTV adjacencies can be established.
    • B、 OTV uses an SSM group range for neighbor discovery and to exchange MAC reachability with other OTV edge peers.
    • C、 The OTV join interface is a routed uplink interface on the edge device used to physically join the overlay network.
    • D、 The OTV internal interface encapsulates the site Layer 2 frames in IP unicast or multicast packets that are then sent to the other sites.

    正确答案:C

  • 第7题：

    What is difference between OSPF neighbor and adjacencies？


    正确答案: Neighbor：
    A neighbor is another OSPF router that is attached to the local router’s directly connected links， and ospf hello packet sended by the router have consistance parameter （such as hello time，dead time，area ID， mask and so on） with each other.
    Adjacency：
    An OSPF adjacency is a conceptual link to a neighbor over which LSAs can be sent.

  • 第8题：

    多选题
    Which of the following are correct statements？（）
    A

    EIGRP advertises the best routes to its neighbor

    B

    EIGRP uses cost to determine best path

    C

    EIGRP allows unequal cost load balancing

    D

    OSPF requires neighbor adjacencies before updates are sent

    E

    EIGRP advertises all routes to its neighbor

    F

    OSPF allows unequal cost load balancing


    正确答案： E,B
    解析： 暂无解析

  • 第9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10题：

    单选题
    What is the purpose of the OSPF hello packet？（）
    A

     advertises reachable networks

    B

     acknowledges the receipt of update packets

    C

     establishes and maintains neighbor relationships

    D

     describes the contents of the link-state database


    正确答案： D
    解析： 暂无解析

  • 第11题：

    多选题
    The OSPF hello protocol performs which of the following tasks?（）
    A

    It provides dynamic neighbor discovery

    B

    It detects unreachable neighbors in 90 second intervals

    C

    It maintains neighbor relationships

    D

    It negotiates correctness parameters between neighboring interfaces

    E

    It uses timers to elect the router witch the fastest links as the designated router

    F

    It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF


    正确答案： C,E
    解析： 暂无解析

  • 第12题：

    多选题
    IS - IS is often considered an alternative to OSPF in the IP world. Which two statements identify similarities between IS -IS and OSPF?（）
    A

    support for designated intermediate systems and backup designated intermediate systems

    B

    support for multip le areas per router

    C

    support for classless routing

    D

    support for address summarization between areas

    E

    support for both DIS adjacencies and neighbor adjacencies


    正确答案： C,D
    解析： 暂无解析

  • 第13题：

    An etwork administrator has enabled OSPF across an NBMA network and has issued the command ip ospf network nonbroadcast. Given those facts, which two statements are true?()

    A. Interfaces will automatically detect and build adjacencies with neighbor routers

    B. DR and BDR elections will not occur

    C. DR and BDR elections will occur

    D. The neighbor command is required to build adjacencies

    E. All routers must be configured in a fully meshed topology with all other routers


    参考答案：C, D

  • 第14题：

    The OSPF hello protocol performs which of the following tasks?()

    A. It provides dynamic neighbor discovery

    B. It detects unreachable neighbors in 90 second intervals

    C. It maintains neighbor relationships

    D. It negotiates correctness parameters between neighboring interfaces

    E. It uses timers to elect the router witch the fastest links as the designated router

    F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF


    参考答案：A, C

  • 第15题：

    The OSPF hello protocol performs which of the following tasks?（）

    • A、It provides dynamic neighbor discovery
    • B、It detects unreachable neighbors in 90 second intervals
    • C、It maintains neighbor relationships
    • D、It negotiates correctness parameters between neighboring interfaces
    • E、It uses timers to elect the router witch the fastest links as the designated router
    • F、It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF

    正确答案:A,C

  • 第16题：

    The OSPF Hello protocol performs which of the following tasks (Choose two.)（）。

    • A、It provides dynamic neighbor discovery.
    • B、It detects unreachable neighbors in 90 second intervals.
    • C、It maintains neighbor relationships.
    • D、It negotiates correctness parameters between neighboring interfaces.
    • E、Ituses timers to elect the router with the fastest links as the designated router.
    • F、It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.

    正确答案:A,C

  • 第17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18题：

    An etwork administrator has enabled OSPF across an NBMA network and has issued the command ip ospf network nonbroadcast. Given those facts, which two statements are true?（）

    • A、Interfaces will automatically detect and build adjacencies with neighbor routers
    • B、DR and BDR elections will not occur
    • C、DR and BDR elections will occur
    • D、The neighbor command is required to build adjacencies
    • E、All routers must be configured in a fully meshed topology with all other routers

    正确答案:C,D

  • 第19题：

    What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?（）

    • A、It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.
    • B、It sends a copy of its neighbor table to all adjacent routers.
    • C、It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.
    • D、It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.

    正确答案:C

  • 第20题：

    单选题
    What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?（）
    A

    It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.

    B

    It sends a copy of its neighbor table to all adjacent routers.

    C

    It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.

    D

    It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets  used in IS - IS?（）
    A

    A generic Hello

    B

    Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2

    C

    Point - to - point Level 1, point - to - point Level 2, LAN

    D

    Point - to - point, LAN Level 1, LAN Level 2


    正确答案： B
    解析： 暂无解析

  • 第22题：

    多选题
    The OSPF Hello protocol performs which of the following tasks (Choose two.)（）。
    A

    It provides dynamic neighbor discovery.

    B

    It detects unreachable neighbors in 90 second intervals.

    C

    It maintains neighbor relationships.

    D

    It negotiates correctness parameters between neighboring interfaces.

    E

    Ituses timers to elect the router with the fastest links as the designated router.

    F

    It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.


    正确答案： C,A
    解析： 暂无解析

  • 第23题：

    问答题
    What is difference between OSPF neighbor and adjacencies？

    正确答案： Neighbor：
    A neighbor is another OSPF router that is attached to the local router’s directly connected links， and ospf hello packet sended by the router have consistance parameter （such as hello time，dead time，area ID， mask and so on） with each other.
    Adjacency：
    An OSPF adjacency is a conceptual link to a neighbor over which LSAs can be sent.
    解析： 暂无解析

  • 第24题：

    多选题
    While troubleshooting a routing problem on the company EIGRP network you discover that one ofthe routers is failing to establish adjacencies with its neighbor. What is a likely cause of thisproblem between neighbors？（）
    A

    The K-values do not match

    B

    The hold times do not match

    C

    The hello times do not match

    D

    The AS numbers do not match


    正确答案： A,C
    解析： 暂无解析

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