What are two advantages of Layer 2 Ethernet switches over hubs?()A. decreasing the number of collision domainsB. filtering frames based on MAC addressesC. allowing simultaneous frame transmissionsD. increasing the size of broadcast domainsE. increasing th

题目
What are two advantages of Layer 2 Ethernet switches over hubs?()

A. decreasing the number of collision domains

B. filtering frames based on MAC addresses

C. allowing simultaneous frame transmissions

D. increasing the size of broadcast domains

E. increasing the maximum length of UTP cabling between devices

相似考题

1.Which two statements accurately describe a broadcast domain?()A. Broadcast domains require that the participating devices connect to common switches or hubs.B. Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address.C. Broadcast domains require a gateway device such as a router.D. Broadcast domains consist of devices that reside on the same VLAN.

2.A metro Ethernet user is connected using a PPP over Ethernet service.How many Layer 2 headers are attached to each IP datagram?()A.1B.2C.3D.4

3.What are two way sthat IP datagrams are passed from the ingress line module to the egress line module?()A.over an ATM PVCB.over a FastEthernet busC.overa Gigabit Ethernet busD.over high speed serial bus

4.What are the two stages of PPP over Ethernet?()A.PPP Session stageB.PPPoE Search StageC.PPPoE Discovery StageD.PPP Confirmation stage

更多“What are two advantages of Layer 2 Ethernet switches over hubs?() ”相关问题

  • 第1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 a Layer 2 link

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

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


    参考答案：D

  • 第2题：

    Which of the following statements are true for routers but not true for Layer 3 Ethernet switches？（Choose all that apply.）（）

    • A、May have Ethernet as well as non-Ethernet interfaces
    • B、Traditionally used as a standalone device for inter-VLAN communication
    • C、Makes use of TCAMs
    • D、Uses subinterfaces to define trunks
    • E、Can use both Layer 2 and Layer 3 to make forwarding decisions
    • F、Allows the definition of Switched Virtual Interfaces（SVI）

    正确答案:A,B,D

  • 第3题：

    Which one of the following characteristics is true regarding the use of hubs and switches?（）

    • A、Hubs can have their ports be configured with VLANs
    • B、Using hubs is costly with regard to bandwidth availability.
    • C、Switches can not forward broadcasts.
    • D、Switches are more efficient than hubs in processing frames.
    • E、Switches increase the number of collision domains in the network.

    正确答案:E

  • 第4题：

    What are two way sthat IP datagrams are passed from the ingress line module to the egress line module?（）

    • A、over an ATM PVC
    • B、over a FastEthernet bus
    • C、overa Gigabit Ethernet bus
    • D、over high speed serial bus

    正确答案:A,B

  • 第5题：

    What are two advantages of Layer 2 Ethernet switches over hubs?（）

    • A、decreasing the number of collision domains
    • B、filtering frames based on MAC addresses
    • C、allowing simultaneous frame transmissions
    • D、increasing the size of broadcast domains
    • E、increasing the maximum length of UTP cabling between devices

    正确答案:B,C

  • 第6题：

    For what two purposes does the Ethernet protocol use physical addresses？（）

    • A、to uniquely identify devices at Layer 2
    • B、to allow communication with devices on a different network
    • C、to differentiate a Layer 2 frame from a Layer 3 packet
    • D、to establish a priority system to determine which device gets to transmit first
    • E、to allow communication between different devices on the same network
    • F、to allow detection of a remote device when its physical address is unknown

    正确答案:A,E

  • 第7题：

    A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）

    • A、Two switch ports will be needed on a switch， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.
    • B、Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.
    • C、Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， two different IP addresses will be needed.
    • D、One switch port will be needed on one switch， a splitter will be needed to split the connection， two ethernet cables will be needed for the server each connecting to two different Ethernet cards， and two different IP addresses will be needed.

    正确答案:B

  • 第8题：

    单选题
    A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）
    A

    Two switch ports will be needed on a switch,two Ethernet cables will be needed for theserver each connecting to two different Ethernet cards,and one IP address will be needed

    B

    Two switch ports will be needed on two different switches two Ethernet cables will beneeded for the server each connecting to two different Ethernet cards,and one IP address will be needed

    C

    Two switch ports will be needed on two different switches,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,two different IP addresses will be needed

    D

    One switch port will be needed on one switch,a splitter will be needed to split the connection,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,and two different IP addresses will be needed


    正确答案： C
    解析： 暂无解析

  • 第9题：

    多选题
    FabricPath brings the benefits of routing protocols to layer 2 network Ethernet environments. What are the advantages of using FabricPath technology？ （）
    A

    FabricPath provides MAC address scalability with conversational learning

    B

    Loop mitigation with TTL in the frame field

    C

    STPl independence

    D

    10 Gbps bandwidth

    E

    Layer 2 extensions between data centers


    正确答案： B,A
    解析： 暂无解析

  • 第10题：

    多选题
    What are the two stages of PPP over Ethernet?（）
    A

    PPP Session stage

    B

    PPPoE Search Stage

    C

    PPPoE Discovery Stage

    D

    PPP Confirmation stage


    正确答案： B,A
    解析： 暂无解析

  • 第11题：

    单选题
    A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）
    A

    Two switch ports will be needed on a switch， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.

    B

    Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.

    C

    Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， two different IP addresses will be needed.

    D

    One switch port will be needed on one switch， a splitter will be needed to split the connection， two ethernet cables will be needed for the server each connecting to two different Ethernet cards， and two different IP addresses will be needed.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    多选题
    Which two statements accurately describe a broadcast domain?（）
    A

    Broadcast domains require that the participating devices connect to common switches or hubs.

    B

    Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address.

    C

    Broadcast domains require a gateway device such as a router.

    D

    Broadcast domains consist of devices that reside on the same VLAN.


    正确答案： B,C
    解析： 暂无解析

  • 第13题：

    What are some of the advantages of using a router to segment the network (Choose two.)()。

    A.Filtering can occur based on Layer 3 information.

    B.Broadcasts are eliminated.

    C.Routers generally cost less than switches.

    D.Broadcasts are not forwarded across the router.

    E.Adding a router to the network decreases latency.


    参考答案：A, D

  • 第14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15题：

    FabricPath brings the benefits of routing protocols to layer 2 network Ethernet environments. What are the advantages of using FabricPath technology？ （）   

    • A、 FabricPath provides MAC address scalability with conversational learning
    • B、 Loop mitigation with TTL in the frame field
    • C、 STPl independence
    • D、 10 Gbps bandwidth
    • E、 Layer 2 extensions between data centers

    正确答案:A,B,C

  • 第16题：

    A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）

    • A、Two switch ports will be needed on a switch,two Ethernet cables will be needed for theserver each connecting to two different Ethernet cards,and one IP address will be needed
    • B、Two switch ports will be needed on two different switches two Ethernet cables will beneeded for the server each connecting to two different Ethernet cards,and one IP address will be needed
    • C、Two switch ports will be needed on two different switches,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,two different IP addresses will be needed
    • D、One switch port will be needed on one switch,a splitter will be needed to split the connection,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,and two different IP addresses will be needed

    正确答案:B

  • 第17题：

    What are some of the advantages of using a router to segment the network? (Choose two.)（）

    • A、Filtering can occur based on Layer 3 information.
    • B、Broadcasts are eliminated.
    • C、Routers generally cost less than switches.
    • D、Broadcasts are not forwarded across the router.
    • E、Adding a router to the network decreases latency.

    正确答案:A,D

  • 第18题：

    What two features in Cisco switches help prevent Layer 2 loops？（）

    • A、UniDirectional Link Detection
    • B、Hot Standby Router Protocol
    • C、Virtual Router Redundancy Protocol
    • D、PortFast
    • E、root guard
    • F、loop guard

    正确答案:A,F

  • 第19题：

    多选题
    Which of the following statements are true for routers but not true for Layer 3 Ethernet switches？（Choose all that apply.）（）
    A

    May have Ethernet as well as non-Ethernet interfaces

    B

    Traditionally used as a standalone device for inter-VLAN communication

    C

    Makes use of TCAMs

    D

    Uses subinterfaces to define trunks

    E

    Can use both Layer 2 and Layer 3 to make forwarding decisions

    F

    Allows the definition of Switched Virtual Interfaces（SVI）


    正确答案： A,B
    解析： 暂无解析

  • 第20题：

    多选题
    What are some of the advantages of using a router to segment the network?（）
    A

    Filtering can occur based on Layer 3 information.

    B

    Broadcasts are eliminated.

    C

    Routers generally cost less than switches.

    D

    Broadcasts are not forwarded across the router.

    E

    Adding a router to the network decreases latency.


    正确答案： E,C
    解析： 暂无解析

  • 第21题：

    多选题
    What two features in Cisco switches help prevent Layer 2 loops？（）
    A

    UniDirectional Link Detection

    B

    Hot Standby Router Protocol

    C

    Virtual Router Redundancy Protocol

    D

    PortFast

    E

    root guard

    F

    loop guard


    正确答案： F,D
    解析： 暂无解析

  • 第22题：

    多选题
    What are two advantages of Layer 2 Ethernet switches over hubs？（）
    A

    decreasing the number of collision domains

    B

    filtering frames based on MAC addresses

    C

    allowing simultaneous frame transmissions

    D

    increasing the size of broadcast domains

    E

    increasing the maximum length of UTP cabling between devices


    正确答案： B,D
    解析： 暂无解析

  • 第23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

相关内容