When is a first-hop redundancy protocol needed in the distribution layer?()A. when HSRP is not supported by the designB. when multiple vendor devices need to be supportedC. when preempt tuning of the default gateway is neededD. when a robust method of bac

题目
When is a first-hop redundancy protocol needed in the distribution layer?()

A. when HSRP is not supported by the design

B. when multiple vendor devices need to be supported

C. when preempt tuning of the default gateway is needed

D. when a robust method of backing up the default gateway is needed

E. when the design implements Layer 2 between the access switch and the distribution switch

F. when the design implements Layer 3 between the access switch and the distribution switch


相似考题
更多“When is a first-hop redundancy protocol needed in the distribution layer?() ”相关问题
  • 第1题:

    Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?()

    A. use a Layer 2 link between distribution switches

    B. use a Layer 3 link between distribution switches

    C. use a redundant link to the core

    D. use a Layer 3 link between distribution switches with route summarization


    参考答案:C, D

  • 第2题:

    What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network?()

    • A、ease of IP address assignment versus use of external routers
    • B、redundancy from trunking between distribution layer switches
    • C、provides first-hop redundancy to clients
    • D、allows inter-VLAN communication without requiring complexity of routing protocols

    正确答案:C

  • 第3题:

    You need to design router redundancy on the Company network.  Which three protocols could be  chosen for IP routing redundancy to protect against first-hop router failure?()

    • A、 GLBP
    • B、 ICMP
    • C、 MSTP
    • D、 HSRP
    • E、 VRRP
    • F、 NHRP

    正确答案:A,D,E

  • 第4题:

    You want to implement router redundancy in the Company network using the best method  available.  Which protocol specified by RFC 2281 provides network redundancy for IP networks,  ensuring that user traffic immediately and transparently recovers from first-hop failures in network  edge devices or access circuits?()

    • A、 ICMP
    • B、 IRDP
    • C、 HSRP
    • D、 STP
    • E、 None of the other alternatives apply

    正确答案:C

  • 第5题:

    Multi Protocol Label Switching (MPLS) is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label, if the stack bit is set to1, which option is true?()

    • A、The stack bit will only be used when LDP is the label distribution protocol
    • B、The label is the last entry in the label stack.
    • C、The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.
    • D、The stack bit is reserved for future use.

    正确答案:B

  • 第6题:

    When is a first-hop redundancy protocol needed in the distribution layer?()

    • A、 when the design implements Layer 2 between the access arid distribution blocks
    • B、 when multiple vendor devices need to be supported
    • C、 when preempt tuning of the default gateway is needed
    • D、 when a robust method of backing up the default gateway is needed
    • E、 when the design implements Layer 2 between the access switch and the distribution blocks
    • F、 when the design implements Layer 2 between the access and distribution blocks

    正确答案:F

  • 第7题:

    单选题
    Distribution layer: This layer includes LAN-based routers and layer 3 switches . When is a first-hop redundancy protocol needed in the distribution layer?()
    A

    OSPF is not supported by the design

    B

    HSRP is not supported by the design

    C

    preempt tuning of the default gateway is needed

    D

    the design implements Layer 3 between the access switch and the distribution switch


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    During testing of network redundancy in a fully meshed enterprise campus, a problem has been reported. Both distribution multilayer switches are fully configured for redundancy; clients operate normally when the primary multilayer distribution switch is operating. All clients drop connections outside of their respective access layer group when the primary distribution switch is shut down and the secondary distribution switch is still operational. Additional information indicates that the secondary  distribution switch is able to ping major corporate and Internet locations.  Which item would be the best point of troubleshooting for this connectivity issue? ()
    A

    client network configuration

    B

    VLAN mapping

    C

    inter-switch trunk configuration

    D

    UDLD configuration

    E

    first-hop redundancy protocol


    正确答案: D
    解析: 暂无解析

  • 第9题:

    多选题
    You need to design router redundancy on the Company network.  Which three protocols could be  chosen for IP routing redundancy to protect against first-hop router failure?()
    A

    GLBP

    B

    ICMP

    C

    MSTP

    D

    HSRP

    E

    VRRP

    F

    NHRP


    正确答案: D,B
    解析: 暂无解析

  • 第10题:

    单选题
    You want to implement router redundancy in the Company network using the best method  available.  Which protocol specified by RFC 2281 provides network redundancy for IP networks,  ensuring that user traffic immediately and transparently recovers from first-hop failures in network  edge devices or access circuits?()
    A

     ICMP

    B

     IRDP

    C

     HSRP

    D

     STP

    E

     None of the other alternatives apply


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    You are the Cisco Network Designer in Cisco.com. Which of these practices should you follow when designing a Layer 3 routing protocol?()
    A

    Never peer on transit links.

    B

    Build squares for deterministic convergence.

    C

    Build inverted U designs for deterministic convergence.

    D

    Summarize routes at the distribution to the core to limit EIGRP queries or OSPF LSA propagation.


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    Multi Protocol Label Switching (MPLS) is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label, if the stack bit is set to1, which option is true?()
    A

    The stack bit will only be used when LDP is the label distribution protocol

    B

    The label is the last entry in the label stack.

    C

    The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.

    D

    The stack bit is reserved for future use.


    正确答案: C
    解析: 暂无解析

  • 第13题:

    During testing of network redundancy in a fully meshed enterprise campus, a problem has been reported. Both distribution multilayer switches are fully configured for redundancy; clients operate normally when the primary multilayer distribution switch is operating. All clients drop connections outside of their respective access layer group when the primary distribution switch is shut down and the secondary distribution switch is still operational. Additional information indicates that the secondary  distribution switch is able to ping major corporate and Internet locations.  Which item would be the best point of troubleshooting for this connectivity issue? ()

    • A、client network configuration
    • B、VLAN mapping
    • C、inter-switch trunk configuration
    • D、UDLD configuration
    • E、first-hop redundancy protocol

    正确答案:E

  • 第14题:

    Which of the following is true regarding Label Distribution Protocol (LDP)?()

    • A、It is a label distribution protocol for MPLS
    • B、It is a set of procedures and messages by which LSRs establish Label Switch Paths (LSPs) through a network
    • C、Tag distribution Protocol (TDP) was the basis for LDP
    • D、All of the above are true

    正确答案:D

  • 第15题:

    VRRP的全称是:()

    • A、Virtual Routing Redundancy Protocol
    • B、Virtual Router Redundancy Protocol
    • C、Virtual Redundancy Router Protocol
    • D、Virtual Redundancy Routing Protocol

    正确答案:B

  • 第16题:

    Which of the following is true concerning best design practices at the switched Access layer of thetraditional layer2 Enterprise Campus Network?()

    • A、 Cisco NSF with SSO and redundant supervisors has the most impact on the campus in theAccess layer
    • B、 Provides host-level redundancy by connecting each end device to 2 separate Access switches 
    • C、 Offer default gateway redundancy by using dual connections from Access switches toredundant Distribution layer switches using a FHRP
    • D、 Include a link between two Access switches to support summarization of routing information

    正确答案:C

  • 第17题:

    When is a first-hop redundancy protocol needed in the distribution layer?()

    • A、when HSRP is not supported by the design
    • B、when multiple vendor devices need to be supported
    • C、when preempt tuning of the default gateway is needed
    • D、when a robust method of backing up the default gateway is needed
    • E、when the design implements Layer 2 between the access switch and the distribution switch
    • F、when the design implements Layer 3 between the access switch and the distribution switch

    正确答案:F

  • 第18题:

    单选题
    What is the most common cause of network congestion?()
    A

    aggregation congestion occurring at the core layer where the different distribution layer devices feed traffic to the core-layer switches

    B

    speed mismatches when moving from a low-speed LAN environment to a higher speed WAN environment

    C

    flapping Ethernet interfaces caused by misconfigured LAN interfaces

    D

    flapping serial interfaces caused by misconfigured WAN interfaces

    E

    speed mismatches when moving from a high-speed LAN environment to a lower speed WAN environment


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    When is a first-hop redundancy protocol needed in the distribution layer?()
    A

    when HSRP is not supported by the design

    B

    when multiple vendor devices need to be supported

    C

    when preempt tuning of the default gateway is needed

    D

    when a robust method of backing up the default gateway is needed

    E

    when the design implements Layer 2 between the access switch and the distribution switch

    F

    when the design implements Layer 3 between the access switch and the distribution switch


    正确答案: E
    解析: 暂无解析

  • 第20题:

    单选题
    What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network?()
    A

    ease of IP address assignment versus use of external routers

    B

    redundancy from trunking between distribution layer switches

    C

    provides first-hop redundancy to clients

    D

    allows inter-VLAN communication without requiring complexity of routing protocols


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    Cisco Express Forwarding (CEF) is mainly used to increase packet switching speed, reducing the overhead and delays introduced by other routing techniques, increasing overall performance.Which of the following concerning CEF is recommended by Cisco?()
    A

    Use default Layer 4 hash in core.

    B

    Use default Layer 3 hash in distribution.

    C

    Use default Layer 4 hash in distribution.

    D

    Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    When is a first-hop redundancy protocol needed in the distribution layer?()
    A

     when the design implements Layer 2 between the access arid distribution blocks

    B

     when multiple vendor devices need to be supported

    C

     when preempt tuning of the default gateway is needed

    D

     when a robust method of backing up the default gateway is needed

    E

     when the design implements Layer 2 between the access switch and the distribution blocks

    F

     when the design implements Layer 2 between the access and distribution blocks


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following is true regarding Label Distribution Protocol (LDP)?()
    A

    It is a label distribution protocol for MPLS

    B

    It is a set of procedures and messages by which LSRs establish Label Switch Paths (LSPs) through a network

    C

    Tag distribution Protocol (TDP) was the basis for LDP

    D

    All of the above are true


    正确答案: B
    解析: 暂无解析