After DUAL calculations, a router has identified a successor route, but no routes have qualified as a feasible successor. In the event that the current successor goes down, what process will EIGRP use in the selection of a new successor?（）A、EIGRP will aut

题目

After DUAL calculations, a router has identified a successor route, but no routes have qualified as a feasible successor. In the event that the current successor goes down, what process will EIGRP use in the selection of a new successor?（）

  • A、EIGRP will automatically use the route with the lowest advertised distance (AD) .
  • B、The route will transition to the active state.
  • C、The route will transition to the passive state.
  • D、EIGRP will find the interface with the lowest MAC address.
  • E、EIGRP will automatically use the route with the lowest feasible distance (FD).
相似考题

1.Refer to the exhibit. EIGRP has been configured on al l routers in the network. The command metric weights 0 0 1 0 0 has been added to the EIGRP process so that only the delay metric is used in the path calculations. Which router will R1 select as the successor and feasible successor for Network A?（）A. R 4 becomes the successor for Network A and will be placed in the routing table. R2 becomes the feasible successor for Network AB. R4 becomes the successor for Network A and will be included in the routing table. No feasible successor will be selected a s the advertised distance from R2 is higher than the feasible distanceC. R2 becomes the successor and will be placed in the routing table. R4 becomes the feasible successor for Network AD. R2 becomes the successor and will be placed in the routing t able. No feasible successor will be selected as the reported distance from R4 is lower than the feasible distance

2.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.

3.A router has EIGRP configured as the only routing protocol. How does EIGRP respond if there is no feasible successor route to a destination network and the successor route fails?()A. It immediately sends its entire routing table to its neighbors.B. EIGRP sends a Hello packet to the DR to inform it of the route failure.C. It automatically forwards traffic to a fallback default route until a successor route is found.D. It sends queries out to neighbors until a new successor route is found.E. It places the route in holddown until LSA updates inform it of a new route to the network.

4.Which condition must be satisfied before an EIGRP neighbor can be considered a feasiblesuccessor?()A. The neighbor‘s advertised distance must be less than or equal to the feasible distance of the current successor.B. The neighbor‘s advertised distance must be less than the f easible distance of the current successor.C. The neighbor‘s advertised distance must be greater than the feasible distance of the current successor.D. The neighbor‘s advertised distance must be equal to the feasible distance of the current successor .E. The neighbor‘s advertised distance must be greater than or equal to the feasible distance of the current successor.

更多“After DUAL calculations, a router has identified a successor route, but no routes have qualified as a feasible successor. In the event that the current successor goes down, what process will EIGRP use in the selection of a new successor?（）A、EIGRP will aut”相关问题

  • 第1题：

    Which of the following statements regarding EIGRP successor routes is valid?()

    A. A successor route is used by EIGRP to forward traffic to destination.

    B. Successor routes are saved in the topology table to be used if the primary route fails.

    C. Successor routes are flagged as "active" in the routing table.

    D. A successor route may be backed up by a feasible successor route.

    E. Successor routes are stored in the neighbor table following the discovery process.


    参考答案：A, D

  • 第2题：

    After DUAL calculations, a router has identified a successor route, but no routes have qualified as a feasible successor. In the event that the current successor goes down, what process will EIGRP use in the selection of a new successor?（）

    A. EIGRP will automatically use the route with the lowest advertised distance (AD) .

    B. The route will transition to the active state.

    C. The route will transition to the passive state.

    D. EIGRP will find the interface with the lowest MAC address.

    E. EIGRP will automatically use the route with the lowest feasible distance (FD).


    参考答案：B

  • 第3题：

    Which statements are true about EIGRP successor routes?()

    A. A successor route is used by EIGRP to forward traffic to a destination.

    B. Successor routes are saved in the topology table to be used if the primary route fails.

    C. Successor routes are flagged as "active" in the routing table.

    D. A successor route may be backed up by a feasible successor route.

    E. Successor routes are stored in the neighbor table following the discovery process.


    参考答案：A, D

  • 第4题：

    Which of the following is true regarding the effect of EIGRP queries on the network design？（）

    • A、 EIGRP queries will be the most significant issue with respect to stability and convergence 
    • B、 EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a nexthop AD that is greater than the FD of the current successor route 
    • C、 EIGRP queries will only increase the convergence time when there are no EIGRP stubsdesigned in the network

    正确答案:C

  • 第5题：

    Which statements are true about EIGRP successor routes?（）

    • A、A successor route is used by EIGRP to forward traffic to a destination.
    • B、Successor routes are saved in the topology table to be used if the primary route fails.
    • C、Successor routes are flagged as "active" in the routing table.
    • D、A successor route may be backed up by a feasible successor route.
    • E、Successor routes are stored in the neighbor table following the discovery process.
    • F、Successors are not used in EIGRP.

    正确答案:B,D

  • 第6题：

    A router has been configured with an EIGRP variance of 3. Which of the following statements istrue？（）

    • A、An error will result because a router cannot be configured with an EIGRP variance of 3 becausethe maximum variance number is 2
    • B、The successor route will end up in the routing table， and so will any route with a metric at mostthree times greater than the value of the successor’s metric
    • C、EIGRP will only advertise routes that are within three hops of the current router
    • D、The successor route will end up in the routing table， and so will any route with a metric at leastone third the value of the successor’s metric
    • E、The best three routes with equal cost paths will end up in the routing table
    • F、The successor route will be any route with three times the value of the advertised distance

    正确答案:B

  • 第7题：

    单选题
    Which command will display all the EIGRP feasible successor routes known to a router?（）
    A

    Router# show ip eigrp routes *

    B

    Router# show ip eigrp summary

    C

    Router# show ip eigrp topology

    D

    Router# show ip eigrp adjacencies

    E

    Router# show ip eigrp neighbors detail


    正确答案： C
    解析： 暂无解析

  • 第8题：

    多选题
    Which statements are true about EIGRP successor routes? (Choose two.)（）
    A

    A successor route is used by EIGRP to forward traffic to a destination.

    B

    Successor routes are saved in the topology table to be used if the primary route fails.

    C

    Successor routes are flagged as active in the routing table.

    D

    A successor route may be backed up by a feasible successor route.

    E

    Successor routes are stored in the neighbor table following the discovery process.


    正确答案： D,B
    解析： 暂无解析

  • 第9题：

    多选题
    Which statements are true about EIGRP successor routes?（）
    A

    A successor route is used by EIGRP to forward traffic to a destination.

    B

    Successor routes are saved in the topology table to be used if the primary route fails.

    C

    Successor routes are flagged as active in the routing table.

    D

    A successor route may be backed up by a feasible successor route.

    E

    Successor routes are stored in the neighbor table following the discovery process.

    F

    Successors are not used in EIGRP.


    正确答案： A,D
    解析： 暂无解析

  • 第10题：

    单选题
    After DUAL calculations, a router has identified a successor route, but no routes have qualified as a feasible successor. In the event that the current successor goes down, what process will EIGRP use in the selection of a new successor?（）
    A

    EIGRP will automatically use the route with the lowest advertised distance (AD) .

    B

    The route will transition to the active state.

    C

    The route will transition to the passive state.

    D

    EIGRP will find the interface with the lowest MAC address.

    E

    EIGRP will automatically use the route with the lowest feasible distance (FD).


    正确答案： C
    解析： 暂无解析

  • 第11题：

    多选题
    Which two statements are true regarding EIGRP?（）
    A

    Passive routes are in the process of being calculated by DUAL.

    B

    EIGRP supports VLSM, route summarization, and routing update authentication.

    C

    EIGRP exchanges full routing table information with neighboring routers with every update.

    D

    If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.

    E

    A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.


    正确答案： D,A
    解析： 暂无解析

  • 第12题：

    单选题
    A router has EIGRP configured as the only routing protocol. How does EIGRP respond if there is no feasible successor route to a destination network and the successor route fails?（）
    A

    It immediately sends its entire routing table to its neighbors.

    B

    EIGRP sends a Hello packet to the DR to inform it of the route failure.

    C

    It automatically forwards traffic to a fallback default route until a successor route is found.

    D

    It sends queries out to neighbors until a new successor route is found.

    E

    It places the route in holddown until LSA updates inform it of a new route to the network.


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Which command will display all the EIGRP feasible successor routes known to a router?()

    A. Router# show ip eigrp routes *

    B. Router# show ip eigrp summary

    C. Router# show ip eigrp topology

    D. Router# show ip eigrp adjacencies

    E. Router# show ip eigrp neighbors detail


    参考答案：C

  • 第14题：

    Which two statements about the EIGRP DUAL process are correct?()

    A. An EIGRP route will go active if there are no successors or feasible successors in the EIGRP topology table.

    B. An EIGRP route will go passive if there are no successors in the EIGRP topology table.

    C. DUAL will trigger an EIGRP query process while placing the flapping routes in the holddown state.

    D. A feasible successor in the EIGRP topology table can become the successor only after all the query requests have been replied to.

    E. The stuck in active state is caused when the wait for the query replies have timed out.

    F. EIGRP queries are sent during the loading state in the EIGRP neighbor establishment process.


    参考答案：A, E

  • 第15题：

    Which two statements are true regarding EIGRP?()

    A. Passiveroutes are in the process of being calculated by DUAL.

    B. EIGRP supports VLSM, route summarization, and routing update authentication.

    C. EIGRP exchanges full routing table information with neighboring routers with every update.

    D. If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.

    E. A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.


    参考答案：B, E

  • 第16题：

    Which condition must be satisfied before an EIGRP neighbor can be considered a feasiblesuccessor?（）

    • A、The neighbor's advertised distance must be less than or equal to the feasible distance of the current successor.
    • B、The neighbor's advertised distance must be less than the f easible distance of the current successor.
    • C、The neighbor's advertised distance must be greater than the feasible distance of the current successor.
    • D、The neighbor's advertised distance must be equal to the feasible distance of the current successor .
    • E、The neighbor's advertised distance must be greater than or equal to the feasible distance of the current successor.

    正确答案:A

  • 第17题：

    Which command will display all the EIGRP feasible successor routes known to a router?（）

    • A、Router# show ip eigrp routes *
    • B、Router# show ip eigrp summary
    • C、Router# show ip eigrp topology
    • D、Router# show ip eigrp adjacencies
    • E、Router# show ip eigrp neighbors detail

    正确答案:C

  • 第18题：

    Which two statements are true regarding EIGRP？（）

    • A、Passive routes are in the process of being calculated by DUAL.
    • B、EIGRP supports VLSM，route summarization，and routing update authentication.
    • C、EIGRP exchanges full routing table information with neighboring routers with every update.
    • D、If the feasible successor has a higher advertised distance than the successor route，it becomes theprimary route.
    • E、A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.

    正确答案:B,E

  • 第19题：

    多选题
    Which two statements are true regarding EIGRP?（）
    A

    Passiveroutes are in the process of being calculated by DUAL.

    B

    EIGRP supports VLSM, route summarization, and routing update authentication.

    C

    EIGRP exchanges full routing table information with neighboring routers with every update.

    D

    If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.

    E

    A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.


    正确答案： A,E
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements about the EIGRP DUAL process are correct?（）
    A

    An EIGRP route will go active if there are no successors or feasible successors in the EIGRP topology table.

    B

    An EIGRP route will go passive  if there are no successors in the EIGRP topology table.

    C

    DUAL will trigger an EIGRP query process while placing the flapping routes in the holddown state.

    D

    A feasible successor in the EIGRP topology table can become the successor only after all the query requests have been replied to.

    E

    The stuck in active state is caused when the wait for the query replies have timed out.

    F

    EIGRP queries are sent during the loading state in the EIGRP neighbor establishment process.


    正确答案： D,A
    解析： 暂无解析

  • 第21题：

    多选题
    Which statements are true about EIGRP successor routes?（）
    A

    A successor route is used by EIGRP to forward traffic to a destination.

    B

    Successor routes are saved in the topology table to be used if the primary route fails.

    C

    Successor routes are flagged as active in the routing table.

    D

    A successor route may be backed up by a feasible successor route.

    E

    Successor routes are stored in the neighbor table following the discovery process.


    正确答案： A,C
    解析： 暂无解析

  • 第22题：

    单选题
    A router has been configured with an EIGRP variance of 3. Which of the following statements istrue？（）
    A

    An error will result because a router cannot be configured with an EIGRP variance of 3 becausethe maximum variance number is 2

    B

    The successor route will end up in the routing table， and so will any route with a metric at mostthree times greater than the value of the successor’s metric

    C

    EIGRP will only advertise routes that are within three hops of the current router

    D

    The successor route will end up in the routing table， and so will any route with a metric at leastone third the value of the successor’s metric

    E

    The best three routes with equal cost paths will end up in the routing table

    F

    The successor route will be any route with three times the value of the advertised distance


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following is true regarding the effect of EIGRP queries on the network design？（）
    A

     EIGRP queries will be the most significant issue with respect to stability and convergence 

    B

     EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a nexthop AD that is greater than the FD of the current successor route 

    C

     EIGRP queries will only increase the convergence time when there are no EIGRP stubsdesigned in the network


    正确答案： C
    解析： 暂无解析

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