单选题You replaced your Layer 3 switch，which is the default gateway of the end users. Many users cannot access anything now，including email，Internet，and other applications，although other users do not have any issues. All of the applications are hosted in an 

题目
单选题
You replaced your Layer 3 switch，which is the default gateway of the end users. Many users cannot access anything now，including email，Internet，and other applications，although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem，which one of these actions should you take？（）
A

Clear the MAC address table in the switch.

B

Clear the ARP cache in the switch.

C

Clear the ARP cache in the end devices.

D

Clear the ARP cache in the application servers.

相似考题

1.How can you reset your router or switch to factory defaults?()A.reset configurationB.load factory-defaultC.load override defaultD.set default configuration

2.You want your Catalyst switch to implement a switching method that holds a packet in its memory until the data portion of the respected packet reaches the switch.Which method should you employ on your Catalyst switch?（）A. Fast ForwardB. Store and forwardC. Frag-freeD. None of the above

3.You need to set the default gateway of one of your TestKing switches. Which command will set the default gateway to 192.168.12.1 on a Cisco switch?()A. Switch(config)# ip default-network 192.168.12.1B. Switch(config)#ip route-default 192.168.12.1C. Switch(config)# ip default-gateway 192.168.12.1D. Swicth(config)# ip route 192.168.12.1 0.0.0.0

4.Which of the following is MOST likely a managed, Layer 3 device?()A.RouterB.BridgeC.HubD.Switch

参考答案和解析
正确答案： C
解析： 暂无解析
更多“You replaced your Layer 3 switch，which is the default gatewa”相关问题

  • 第1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


    参考答案：F

  • 第2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


    参考答案：D

  • 第3题：

    To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）

    • A、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link
    • B、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link
    • C、 to two core switches from redundant distribution switches connected with Layer 2 link
    • D、 to two core switches from redundant distribution switches connected with Layer 3 link
    • E、 to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO

    正确答案:D

  • 第4题：

    Assuming that an IP packet is sent from a source address in VLAN1 to a destination address in VLAN2 through a layer-3 switch, which part of the packet will be changed?（）

    • A、Layer 2 TTL
    • B、Layer 3 TTL
    • C、Layer 3 source address
    • D、Layer 3 destination address

    正确答案:B

  • 第5题：

    You need make configuration changes to an existing layer 3 switch in the Company network. On a  multilayer Catalyst switch，  which interface command is used to convert a Layer 3 interface to a  Layer 2 interface？（）

    • A、 switchport access vlan vlan-id
    • B、 switchport
    • C、 switchport mode access
    • D、 no switchport
    • E、 None of the other alternatives apply

    正确答案:B

  • 第6题：

    You replaced your Layer 3 switch， which is the default gateway of the end users. Many users cannot access anything now， including email， Internet， and other applications， although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem， which one of these actions should you take？（）

    • A、Clear the MAC address table in the switch.
    • B、Clear the ARP cache in the switch.
    • C、Clear the ARP cache in the end devices.
    • D、Clear the ARP cache in the application servers.

    正确答案:C

  • 第7题：

    You are configuring a new Catalyst switch that you want to manage remotely from workstations on other network segments within your enterprise.Which of the following are required to allow remote management of the switch over IP?（）

    • A、The switch name must match the workgroup name of the local network.
    • B、The switch must be configured with an IP address and default gateway.
    • C、The remote workstations must have access to the management VLAN of the switch.
    • D、CDP must be enabled on the switch so that it can be located by other devices on the network.

    正确答案:B,C

  • 第8题：

    多选题
    You are configuring a new Catalyst switch that you want to manage remotely from workstations on other network segments within your enterprise.Which of the following are required to allow remote management of the switch over IP?（）
    A

    The switch name must match the workgroup name of the local network.

    B

    The switch must be configured with an IP address and default gateway.

    C

    The remote workstations must have access to the management VLAN of the switch.

    D

    CDP must be enabled on the switch so that it can be located by other devices on the network.


    正确答案： D,B
    解析： 暂无解析

  • 第9题：

    单选题
    You need to set the default gateway of one of your TestKing switches. Which command will set the default gateway to 192.168.12.1 on a Cisco switch?（）
    A

    Switch(config)# ip default-network 192.168.12.1

    B

    Switch(config)#ip route-default 192.168.12.1

    C

    Switch(config)# ip default-gateway 192.168.12.1

    D

    Swicth(config)# ip route 192.168.12.1 0.0.0.0


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    You need make configuration changes to an existing layer 3 switch in the Company network. On a  multilayer Catalyst switch，  which interface command is used to convert a Layer 3 interface to a  Layer 2 interface？（）
    A

     switchport access vlan vlan-id

    B

     switchport

    C

     switchport mode access

    D

     no switchport

    E

     None of the other alternatives apply


    正确答案： B
    解析： 暂无解析

  • 第11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12题：

    单选题
    To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）
    A

     to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link

    B

     to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link

    C

     to two core switches from redundant distribution switches connected with Layer 2 link

    D

     to two core switches from redundant distribution switches connected with Layer 3 link

    E

     to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO


    正确答案： A
    解析： 暂无解析

  • 第13题：

    Which two practices will avoid Cisco Express Forwarding polarization?()

    A. The core layer should use default Layer 3 hash information.

    B. The core layer should use default Layer 4 hash information.

    C. The distribution layer should use default Layer 3 hash information.

    D. The distribution layer should use default Layer 4 hash information.

    E. The core layer should use Layer 3 and Layer 4 information as input to the Cisco Expressing Forwarding hashing algorithm.

    F. The distribution layer should use Layer 3 and Layer 4 information as input into the Cisco Expressing Forwarding hashing algorithm.


    参考答案：A, F

  • 第14题：

    You are the Cisco Network Designer in Cisco.com. In your company site, a NAS is both physically and logically in the traffic path. The NAS identifies clients solely based on their MAC addresses. In which access mode has this NAS been configured to operate?（）

    • A、Layer 2 mode
    • B、Layer 2 Edge mode
    • C、Layer 3 mode
    • D、Layer 3 In-Band mode

    正确答案:A

  • 第15题：

    You need to set the default gateway of one of your TestKing switches. Which command will set the default gateway to 192.168.12.1 on a Cisco switch?（）

    • A、Switch(config)# ip default-network 192.168.12.1
    • B、Switch(config)#ip route-default 192.168.12.1
    • C、Switch(config)# ip default-gateway 192.168.12.1
    • D、Swicth(config)# ip route 192.168.12.1 0.0.0.0

    正确答案:C

  • 第16题：

    You want your Catalyst switch to implement a switching method that holds a packet in its memory until the data portion of the respected packet reaches the switch.Which method should you employ on your Catalyst switch?（）

    • A、Fast Forward
    • B、Store and forward
    • C、Frag-free
    • D、None of the above

    正确答案:C

  • 第17题：

    Which of the following is MOST likely a managed, Layer 3 device?（）

    • A、Router
    • B、Bridge
    • C、Hub
    • D、Switch

    正确答案:A

  • 第18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19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20题：

    单选题
    When configuring a routed port on a Cisco multilayer switch， which of these is a required configuration task that you must perform to enable that port to function as a routed port？ （）
    A

    Enable the switch to participate in routing updates from external devices with the router command in global configuration mode.

    B

    Enter the no switchport command to disable Layer 2 functionality at the interface level.

    C

    Each port participating in routing of Layer 3 packets must have an IP routing protocol assigned on aperinterface level.

    D

    Routing is enabled by default on a multilayer switch， so the port can become a Layer 3 routing interface by assigning the appropriate IP address and subnet information.


    正确答案： B
    解析： 暂无解析

  • 第21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22题：

    单选题
    How can you reset your router or switch to factory defaults?（）
    A

    reset configuration

    B

    load factory-default

    C

    load override default

    D

    set default configuration


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Cisco Express Forwarding （CEF） is mainly used to increase packet switching speed， reducing theoverhead 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： B
    解析： 暂无解析

  • 第24题：

    单选题
    You replaced your Layer 3 switch， which is the default gateway of the end users. Many users cannot access anything now， including email， Internet， and other applications， although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem， which one of these actions should you take？ （）
    A

     Clear the MAC address table in the switch.

    B

     Clear the ARP cache in the switch.

    C

     Clear the ARP cache in the end devices.

    D

     Clear the ARP cache in the application servers.


    正确答案： A
    解析： 暂无解析

相关内容