Which statement describes the rule of split horizon?()A. Only router can split boundaries(horizons)between concentric networks.B. All distance vector protocols require fall routes that may cause momentary loops as the topology changes.C. Networks can only

题目
Which statement describes the rule of split horizon?()

A. Only router can split boundaries(horizons)between concentric networks.

B. All distance vector protocols require fall routes that may cause momentary loops as the topology changes.

C. Networks can only remain fully converged if all information about routes is sent out all active interfaces.

D. Information about a route should not be sent back in the direction from which the original update came.

E. Each AS must keep routing tables converged to prevent dead routes from being advertised across the AS boundary.

相似考题

1.Rule 14 describes the action to be taken by vessels meeting head-on. Which of the following conditions must exist in order for this rule to apply?______.A.Both vessels must be power-driven.B.They must be meeting on reciprocal or nearly reciprocal courses.C.The situation must involve risk of collision.D.All of the above

2.Split horizon has been enabled within the Ezonexam routed network. Which one of the following statements best explains the split horizon rule?A．Only routers can split boundaries (horizons) between networks in separate AS numbers.B．Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.C．Once a route is received on an interface, advertise that route as unreachable back out the same interface.D．Information about a route should never be sent back in the direction from which the original update came.E．None of the above

3.Refer to the exhibit.Which statement describes DLCI 17?()A.DLCI 17 describes the ISDN circuit between R2 and R3.B.DLCI 17 describes a PVC on R2.It cannot be used on R3 or R1.C.DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.D.DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.

4.Which statement is true about a NAT rule action of off?()A. The NAT action of off is only supported for destination NAT rule-sets.B. The NAT action of off is only supported for source NAT rule-sets.C. The NAT action of off is useful for detailed control of NAT.D. The NAT action of off is useful for disabling NAT when a pool is exhausted

参考答案和解析
参考答案：D
更多“Which statement describes the rule of split horizon?() ”相关问题

  • 第1题：

    how to disable OPSF split-horizon？


    正确答案: According to RFC 2328，the rule of ospf split-horizon is described as below： before ABR advertises a summary LSAs（including type 3 and type 4 LSA） to a attached area， if the next hop of the route in the routing table entry belong to the area itself， do not generate a summary-LSA for the route into the area.
    Split-horizon cannot be disabled.

  • 第2题：

    Which statement describes VRRP object tracking?（）

    • A、It monitors traffic flow and link utilization.
    • B、It ensures the best VRRP router is the virtual router master for the group.
    • C、It causes traffic to dynamically move to higher bandwidth links
    • D、It thwarts man-in-the-middle attacks.

    正确答案:B

  • 第3题：

    Which two statements are true about the role of split horizon？（）

    • A、It is a function used by routing protocols to install routes into routing table
    • B、It is a function that prevents the advertising of routes over an interface that the router is usingto reach a route
    • C、Its function is to help avoid routing loops.
    • D、It is a redistribution technique used by routing protocols

    正确答案:B,C

  • 第4题：

    Which two steps below should you perform on the hub router while configuring EIGRP routing over  DMVPN （mGRE tunnel）？ （）

    • A、Set the NHRP hold time to match the EIGRP hold time
    • B、Add the enable eigrp stub command
    • C、Add the disable eigrp as-member split-horizon command
    • D、Add the disable eigrp as-member next-hop-self command

    正确答案:C,D

  • 第5题：

    Within a BGP confederation， how are routing loops avoided？（）

    • A、Split horizon.
    • B、AS confederation sequence.
    • C、The BFP cluster ID attribute.
    • D、The BGP originator ID attribute.

    正确答案:B

  • 第6题：

    什么是RIP协议的水平分割（split horizon）？


    正确答案: 不在收到这条路由信息的端口上再次发送它。

  • 第7题：

    单选题
    Which one of the following statements best explains the split horizon rule?（）
    A

    Only routers can split boundaries (horizons) between networks in separate AS numbers.

    B

    Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.

    C

    Once a route is received on an interface, advertise that route as unreachable back out the same interface.

    D

    Information about a route should never be sent back in the direction from which the original update came.


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    Which statement is true about a NAT rule action of off？（）
    A

    The NAT action of off is only supported for destination NAT rule-sets.

    B

    The NAT action of off is only supported for source NAT rule-sets.

    C

    The NAT action of off is useful for detailed control of NAT

    D

    The NAT action of off is useful for disabling NAT when a pool is exhausted.


    正确答案： A
    解析： 暂无解析

  • 第9题：

    多选题
    Which two statements are true about the role of split horizon？（）
    A

    It is a function used by routing protocols to install routes into routing table

    B

    It is a function that prevents the advertising of routes over an interface that the router is usingto reach a route

    C

    Its function is to help avoid routing loops.

    D

    It is a redistribution technique used by routing protocols


    正确答案： C,D
    解析： 暂无解析

  • 第10题：

    多选题
    Which two statements about VPLS are true？ （）
    A

    There is a full mesh of pseudowires.

    B

    There is a partial mesh of pseudowires.

    C

    Only L2TPv3 can be used for pseudowire establishment.

    D

    There is split-horizon to avoid loops.


    正确答案： A,D
    解析： 暂无解析

  • 第11题：

    问答题
    how to disable OPSF split-horizon？

    正确答案： According to RFC 2328，the rule of ospf split-horizon is described as below： before ABR advertises a summary LSAs（including type 3 and type 4 LSA） to a attached area， if the next hop of the route in the routing table entry belong to the area itself， do not generate a summary-LSA for the route into the area.
    Split-horizon cannot be disabled.
    解析： 暂无解析

  • 第12题：

    多选题
    Which of the following statements correctly describes the characteristics of a Frame Relay point-to-point subinterface?（）
    A

    Needs to use Inverse ARP.

    B

    Maps a single IP subnet per DLCI.

    C

    Maps a single IP subnet across multiple DLCIs.

    D

    Resolves NBMA (non broadcast multi access) split horizon issues.

    E

    Requires use of the frame-relay map command.

    F

    None of the above


    正确答案： D,E
    解析： 暂无解析

  • 第13题：

    Which of the following statements correctly describes the characteristics of a Frame Relay point-to-point subinterface?（）

    • A、Needs to use Inverse ARP.
    • B、Maps a single IP subnet per DLCI.
    • C、Maps a single IP subnet across multiple DLCIs.
    • D、Resolves NBMA (non broadcast multi access) split horizon issues.
    • E、Requires use of the frame-relay map command.
    • F、None of the above

    正确答案:B,D

  • 第14题：

    Which statement describes the process ID that is used to run OSPF on a router ?（）

    • A、It is locally significant and must be the same throughout an area
    • B、It is globally significant and is used to represent the AS number
    • C、It is locally significant and is used to identify an instance of the OSPF database
    • D、It is globally significant and is used to identify OSPF stub areas

    正确答案:C

  • 第15题：

    Which one of the following statements best explains the split horizon rule used in distance vector routing protocols?（）

    • A、Only routers can split boundaries (horizons) between concentric networks.
    • B、Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.
    • C、Networks can only remain fully converged if all information is sent out all active interfaces.
    • D、Information about a route should not be sent back in the direction from which the original update came.
    • E、Distance vector protocols need fall back routers that are responsible for momentary loops.

    正确答案:D

  • 第16题：

    Which two statements about VPLS are true？ （）

    • A、There is a full mesh of pseudowires.
    • B、There is a partial mesh of pseudowires.
    • C、Only L2TPv3 can be used for pseudowire establishment.
    • D、There is split-horizon to avoid loops.

    正确答案:A,D

  • 第17题：

    Which statement is true about a NAT rule action of off？（）

    • A、The NAT action of off is only supported for destination NAT rule-sets.
    • B、The NAT action of off is only supported for source NAT rule-sets.
    • C、The NAT action of off is useful for detailed control of NAT
    • D、The NAT action of off is useful for disabling NAT when a pool is exhausted.

    正确答案:C

  • 第18题：

    问答题
    什么是RIP协议的水平分割（split horizon）？

    正确答案： 不在收到这条路由信息的端口上再次发送它。
    解析： 暂无解析

  • 第19题：

    单选题
    Which one of the following potential issues is eliminated by using split horizon？（）
    A

    Joined horizons

    B

    Packet forwarding loops

    C

    cisco Express Forwarding load-balancing inconsistency

    D

    Asymmetric routing throughout the network


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    Rule 14 describes the action to be taken by vessel meeting head-on. Which of the following conditions must exist in order for this rule to apply?（）.
    A

    Both vessels must be power-driven

    B

    They must be meeting on reciprocal or nearly reciprocal courses

    C

    The situation must involve risk of collision

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    A user issues a SELECT command against the Oracle database. Which of the following choices describes a step that Oracle will execute in support of this statement?（）
    A

    Acquire locks on table queried 

    B

    Generate redo for statement 

    C

    Fetch data from disk into memory 

    D

    Write changes to disk


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement is true about a NAT rule action of off?（）
    A

    The NAT action of off is only supported for destination NAT rule-sets.

    B

    The NAT action of off is only supported for source NAT rule-sets.

    C

    The NAT action of off is useful for detailed control of NAT.

    D

    The NAT action of off is useful for disabling NAT when a pool is exhausted


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Which statement describes the rule of split horizon?（）
    A

    Only routers can split boundaries (horizons) between concentric networks.

    B

    All distance vector protocols require fall back routers that may cause momentary loops as the topology changes.

    C

    Networks can only remain fully converged if all information about routers is sent out all active interfaces.

    D

    Information about a route should not be sent back in the direction from which the original update come.

    E

    Each AS must keep routing tables converged to prevent dead routes from being advertised across the AS boundary.


    正确答案： D
    解析： 暂无解析

  • 第24题：

    多选题
    Which two statements are true about IBGP neighbor relationships?（）
    A

    The BGP split - horizon rule specifies that routes learned via EBGP are never propagated to other IBGP peers.

    B

    The BGP split horizon rule specifies that routes learned via IBGP are never propagated to other IBGP peers.

    C

    A full - mesh IBGP requires that neighbor relationships be established between a ll BGP enabled routers in the autonomous system.

    D

    IBGP neighbors must be in different autonomous systems.

    E

    An EGP or static routing is required between IBGP neighbors.


    正确答案： E,B
    解析： 暂无解析

相关内容