单选题Both bus and tree topologies are characterized by the use of multipoint (1).For the bus, all stations attach, through appropriate hardware (2) known as a tap, directly to a linear transmission medium, or bus. Full-duplex operation between the station a

题目
单选题
Both bus and tree topologies are characterized by the use of multipoint (1).For the bus, all stations attach, through appropriate hardware (2) known as a tap, directly to a linear transmission medium, or bus. Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the(3). A transmission from any station propagates the length of the medium in both directions and can be received by all other (4). At each end of the bus is a (5) , which absorbs any signal, removing it from the bus. 空白（4）处应选择（）
A

routers

B

stations

C

servers

D

switches

相似考题

1.The metaphysical poets are characterized by their extensive use of conceit.()此题为判断题(对，错)。

2.Both bus and tree topologies are characterized by the use of multipoint().A.mediumB.connectionC.tokenD.resource

3.(ii) Comment briefly on the use of its own tree plantations as a source of raw materials by Our Timbers Ltd.(3 marks)

4.● Both bus and tree topologies are characterized by the use of multipoint （71）. For the bus, all stations attach, through appropriate hardware（72）known as a tap, directly to a linear transmission medium, or bus. Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the （73）. A transmission from any station propagates the length of the medium in both directions and can be received by all other （74）.At each end of the bus is a （75) , which absorbs any signal, removing it from the bus.（71）A. mediumB. connectionC. tokenD. resource（72）A. processingB. switchingC. routingD. interfacing（73）A. treeB. busC. starD. ring（74）A. routersB. stationsC. serversD. switches（75）A. tapB. repeaterC. terminatorD. concentrator

参考答案和解析
正确答案： A
解析： 总线型和树形拓扑结构都使用多点传输介质。对于总线来说，所有站点都通过被称为接头的硬件直接连接到线性传输介质或总线上。站和接头之间的操作允许数据发送到总线上，也可以从总线上接收数据。任何站点发送的数据都向总线两端传播，并可以被所有其他站点接收到。在总线的两端各有一个终接器，它接收并从总线上移去所有信号。
更多“Both bus and tree topologies are characterized by the use of”相关问题

  • 第1题：

    Both bus and tree topologies are characterized by the use of multipoint (71) ．For the bus，all stations attach，through appropriate hardware (72) known as a tap，directly to a linear transmission medium，or bus．Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the (73) ．A transmission from any station propagates the length of the medium in both directions and can be received by all other (74) ．At each end of the bus is a (75) ，which absorbs any signal，removing it from the bus．

    （71）

    A．medium

    B．connection

    C．token

    D．resource


    正确答案：A

  • 第2题：

    In which of the following topologies could the failure of one machine cause the entire network tostop functioning?()

    A. Mesh

    B. Token ring

    C. Star

    D. Spanning tree


    参考答案：B

  • 第3题：

    --Which of those electronic dictionaries do you like most?
    -- __________. They are both expensive and of little use.

    A.None
    B.Neither
    C.All
    D.Both

    答案：A
    解析：
    考查不定代词。both表示“两者都”，用于肯定句中；neither表示“两者都不”，用于否定句中；all指“三者或三者以上都”，用于肯定句中；none指“三者或三者以上都不”，用于否定句中。由后一句“They are both expensive and of little use．”可知答案应为表示否定的代词，故排除C、D。由首旬中的most可知是在三个以上之间选择。故选A。

  • 第4题：

    As the bus came round the corner, it ran（）a big tree by the roadside.

    Ainto

    Bon

    Cover

    Dup


    A
    略

  • 第5题：

    In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops can cause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limit excessive traffic during spanning-tree loop conditions？ （）

    • A、loop guard
    • B、storm control
    • C、storm suppression
    • D、broadcast suppression
    • E、BPDU guard

    正确答案:B,D

  • 第6题：

    You are designing the forest and domain structure to meet the business and technical requirements. Which structure should you use?（）

    • A、A single forest with one tree, and one domain
    • B、A single forest with one tree two domain
    • C、A single forest with two trees, each with a single domain
    • D、Two forests, each with a single tree and a single domain
    • E、Two forests, each with two trees, with a single domain in each tree

    正确答案:A

  • 第7题：

    It is considered a best practice to use the Dead Peer Detection (DPD) feature with which VPN topologies?（）

    • A、IPSec
    • B、IPSec with GRE
    • C、DMVPN
    • D、EZVPN
    • E、all of the choices

    正确答案:E

  • 第8题：

    Both bus and tree topologies are characterized by the use of multipoint (1).For the bus, all stations attach, through appropriate hardware (2) known as a tap, directly to a linear transmission medium, or bus. Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the(3). A transmission from any station propagates the length of the medium in both directions and can be received by all other (4). At each end of the bus is a (5) , which absorbs any signal, removing it from the bus. 空白（1）处应选择（）

    • A、medium
    • B、connection
    • C、token
    • D、resource

    正确答案:A

  • 第9题：

    In which of the following topologies could the failure of one machine cause the entire network tostop functioning?（）

    • A、Mesh
    • B、Token ring
    • C、Star
    • D、Spanning tree

    正确答案:B

  • 第10题：

    单选题
    It is considered a best practice to use the Dead Peer Detection (DPD) feature with which VPN topologies?（）
    A

    IPSec

    B

    IPSec with GRE

    C

    DMVPN

    D

    EZVPN

    E

    all of the choices


    正确答案： E
    解析： 暂无解析

  • 第11题：

    单选题
    You are designing the forest and domain structure to meet the business and technical requirements. Which structure should you use?（）
    A

    A single forest with one tree, and one domain

    B

    A single forest with one tree two domain

    C

    A single forest with two trees, each with a single domain

    D

    Two forests, each with a single tree and a single domain

    E

    Two forests, each with two trees, with a single domain in each tree


    正确答案： E
    解析： 暂无解析

  • 第12题：

    问答题
    hy you use Spanning-tree？ Difference between PVST & MST.

    正确答案： We uses STP to privides path redundancy while preventing loops in layer 2 network environment.
    Difference between PVST and MSTP：
    PVST maintains a STP instance for each vlan，while MSTP maintain one instance for multiple vlans belong to the the same instance-vlan map.
    MSTP uses RSTP for more rapid convergence than PVST.
    解析： 暂无解析

  • 第13题：

    Which of the following network topologies is characterized by a central server and uniqueconnections to all clients? ()

    A.Star

    B.Bus

    C.Mesh

    D.Ring


    参考答案：A

  • 第14题：

    Which of the following network topologies BEST describes a VPN? ()(Select TWO)

    A. Point to Point

    B. Point to Multipoint

    C. VLAN

    D. Ring

    E. Bus


    参考答案：A, B

  • 第15题：

    the following diagram is （ ） network topology structure．

    A.bus
    B.star
    C.ring
    D.tree

    答案：A
    解析：

  • 第16题：

    –How long does the bus?-（）About half an hour.

    • A、spend
    • B、take
    • C、use

    正确答案:A

  • 第17题：

    hy you use Spanning-tree？ Difference between PVST & MST.


    正确答案: We uses STP to privides path redundancy while preventing loops in layer 2 network environment.
    Difference between PVST and MSTP：
    PVST maintains a STP instance for each vlan，while MSTP maintain one instance for multiple vlans belong to the the same instance-vlan map.
    MSTP uses RSTP for more rapid convergence than PVST.

  • 第18题：

    Which statement is true about Kompella-based and Martina-based VPNs？（）

    • A、Both use LDP
    • B、Both use BGP
    • C、Both require additional hardware.
    • D、Both use a two-label stack for forwarding.

    正确答案:D

  • 第19题：

    In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions？（）

    • A、loop guard
    • B、storm control
    • C、storm suppression
    • D、broadcast suppression
    • E、BPDU guard

    正确答案:B,D

  • 第20题：

    Which of the following network topologies BEST describes a VPN? （）(Select TWO)

    • A、Point to Point
    • B、Point to Multipoint
    • C、VLAN
    • D、Ring
    • E、Bus

    正确答案:A,B

  • 第21题：

    Which of the following network topologies is characterized by a central server and uniqueconnections to all clients? （）

    • A、Star
    • B、Bus
    • C、Mesh
    • D、Ring

    正确答案:A

  • 第22题：

    单选题
    You are designing the forest and domain structure to meet the business and technical requirements.   Which structure should you use？（）
    A

     A single forest with one tree， and one domain

    B

     A single forest with one tree two domain

    C

     A single forest with two trees， each with a single domain

    D

     Two forests， each with a single tree and a single domain

    E

     Two forests， each with two trees， with a single domain in each tree.


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    As the bus came round the corner, it ran（）a big tree by the roadside.
    A

    into

    B

    on

    C

    over

    D

    up


    正确答案： A
    解析： 暂无解析

  • 第24题：

    多选题
    In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions？（）
    A

    loop guard

    B

    storm control

    C

    storm suppression

    D

    broadcast suppression

    E

    BPDU guard


    正确答案： E,B
    解析： 暂无解析

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