Which of the following are true of Ethernet technology?A．Hosts use a logical ring topology.B．Hosts use a logical bus topologyC．Hosts must wait for an electronic signal to transfer data.D．Hosts are directly connected to a wiring concentrator called a MSAU.

题目

Which of the following are true of Ethernet technology?

A．Hosts use a logical ring topology.

B．Hosts use a logical bus topology

C．Hosts must wait for an electronic signal to transfer data.

D．Hosts are directly connected to a wiring concentrator called a MSAU.

E．None of the above

相似考题

1.●A 10BaseT Ethernet LAN has (73).(73)A. a star topologyB. a ring topologyC. a bus topologyD. a linear topology

2.When configured. MPLS can increase routing redundancy by providing which of the following network topology types?()A.BusB.MeshC.MultipathD.Ring

3.Which of the following does a star ring topology use for data transfer?()A.CSMA/CDB.CSMA/CAC.CHAPD.Token passing

4.Which of the following uses a ring topology?()A.DSLB.EthernetC.DOCSISD.SONET

更多“Which of the following are true of Ethernet technology?A.Hosts use a logical ring topology ”相关问题

  • 第1题：

    Which of the following is true according to the passage?

    [A] Flu vaccines now mainly use egg-based technology.

    [B] A bird influenza has once circulated among humans.

    [C] Safety can be greatly improved with cell-culture vaccines.

    [D] Modern vaccine production methods are to replace egg-based methods.


    正确答案：A

  • 第2题：

    the following diagram is （ ） network topology structure．

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

    答案：A
    解析：

  • 第3题：

    Which of the following are considered common elements found in a set of network documents？（Choose all that apply.）（）

    • A、Building schematic
    • B、IGP community elements
    • C、Listing of interconnections
    • D、Physical topology diagram
    • E、Logical topology diagram
    • F、Inventory of network equipment

    正确答案:C,D,E,F

  • 第4题：

    Your customer has converted from traditional servers to BladeCenter technology and has a requirement for an RSA adapter on a new BladeCenter server.  Which of the following options would you use？ （）

    • A、Remote Supervisor Adapter II （RSA II Slimline）
    • B、Management Module， which comes standard on the BladeCenter
    • C、Acoustic Attenuation Module
    • D、Ethernet NICs

    正确答案:B

  • 第5题：

    Which of the following are true of Ethernet technology?（）

    • A、Hosts use a logical ring topology.
    • B、Hosts use a logical bus topology
    • C、Hosts must wait for an electronic signal to transfer data.
    • D、Hosts are directly connected to a wiring concentrator called a MSAU.

    正确答案:B

  • 第6题：

    Which one of the following answer choices below is true regarding the OSPF topology database?（）

    • A、All entries in the topology database will be included on each router.
    • B、All routers in the same OSPF area will have one topology database.
    • C、The Dijkstra algorithm is used in the creation of the topology database.
    • D、LSA packets are used to update and maintain the topology database.

    正确答案:D

  • 第7题：

    When configured. MPLS can increase routing redundancy by providing which of the following network topology types?（）

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

    正确答案:B

  • 第8题：

    Data is transferred between two servers using NFS， where one server is configured with token ring， and the other system is configured with ethernet. It is discovered that the performance is greatly reduced during this transfer. Which of the following steps should be taken to improve performance？（）

    • A、 Reduce MTU on token ring system to match ethernet system using ifconfig command （i.e. ifconfig tr0 mtu 1500）
    • B、 Reduce MTU on token ring system to match ethernet system using no command （i.e. no -o mtu=1500）
    • C、 Increase MTU on ethernet system to match token ring system using ifconfig command （i.e. ifconfig en0 mtu 4096）
    • D、 Increase MTU on ethernet system to match token ring system using no command （i.e. no -o mtu=4096）

    正确答案:A

  • 第9题：

    单选题
    Which of the following is the author’s primary concern regarding the application of the new technology?
    A

    The expansion of the new technology may not bring profits to the companies.

    B

    Most people who use the technology will not have a baby as they want.

    C

    The effect of the new technology still needs to be carefully examined.

    D

    Increasing use of the technology may disturb the sex balance in the population.


    正确答案： D
    解析：
    第四段作者提到看来这一技术不仅能有效地选择孩子的性别，也带来了一大堆伦理和实际上的问题，特别是大多数应用该技术的家庭，并不是出于医学上的需要。（这里指他们只是为了要男孩或女孩。这样就可能影响人口性别的比例）。

  • 第10题：

    单选题
    In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）
    A

    after broken links are re-established

    B

    in an improperly implemented redundant topology

    C

    when upper-layer protocols require high reliability

    D

    during high traffic periods

    E

    when a dual ring topology is in use


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    Which of the following statements concerning cylinder liner wear is true?（）
    A

    Liner wear is distributed equally between the upper and lower portions of the cylinder

    B

    Excessive liner wear causes wear between piston ring and groove

    C

    Excessive, but uniform liner wear will not cause wear between piston ring and groove

    D

    Liner wear is normally greatest in the middle of the cylinder


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Which one of the following answer choices below is true regarding the OSPF topology database?（）
    A

    All entries in the topology database will be included on each router.

    B

    All routers in the same OSPF area will have one topology database.

    C

    The Dijkstra algorithm is used in the creation of the topology database.

    D

    LSA packets are used to update and maintain the topology database.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    （ ）is the popular LAN developed under the direction of the IEEE 802.5.（ ）is the popular backbone technology for transmitting information at high
    speed with a high level of fault tolerance which is developed under the
    direction of ANSI.

    A.Ethernet,FDDI
    B.Token Bus,Ethernet
    C.Token Ring，FDDI
    D.DQDB,QinQ

    答案：C
    解析：
    MAC地址就是在媒体接入层上使用的地址，通俗点说就是网卡的物理地址，现在的MAC地址一般都采用6字节48bit。IEEE是由多个研究底层协议的机构组成的权威组织。以太网是共享介质的，物理层接收帧，如果地址和自己的地址一致（或者是广播消息），就留下；反之则转发。因此当主机的数量增加时，网络就会变得十分嘈杂，传送效率明显降低。而网桥是工作在数据链路层的设备，它将一个大型的以太网分为几个小网段，可以取得减少通信量的作用。令牌环网是一种符合IEEE 802.5标准的局域网。监督帧，即令牌，顺序地从一个网站传递到相临的网站上。希望获得网络访问权的网站必须等到令牌到达之后才能传输数据。光纤分布数据接口是目前成熟的LAN技术中传输速率最高的一种。这种传输速率高达100Mb/s的网络技术所依据的标准是ANSIX3T9.5。该网络具有定时令牌协议的特性，支持多种拓扑结构，传输媒体为光纤。
    具有对电磁和射频干扰抑制能力，在传输过程中不受电磁和射频噪声的影响，也不影响其他设备。光纤可防止传输过程中被分接偷听，也杜绝了辐射波的窃听，因而是最安全的传输媒体。

  • 第14题：

    Which of the following describes the purpose of a network topology diagram?（）

    • A、To display the logical layout this can differ from the physical layout
    • B、To enhance a user's understanding of the datacenter layout
    • C、To create a physical map of the datacenter to provide to guests
    • D、To provide a blueprint for recreating the same server setup for another client

    正确答案:D

  • 第15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16题：

    A user reports that their onboard RJ-45 jack is damaged and will no longer function. Which of the following will provide this jack as an alternative to replacing the motherboard?（）

    • A、Install a USB serial adapter
    • B、Connect to a USB hub
    • C、Use an external modem
    • D、Use an Ethernet card

    正确答案:D

  • 第17题：

    Which of the following ATOM traffic encapsulations require the use of a Control Word？（）

    • A、Cell relay
    • B、aal5
    • C、Ethernet VLAN
    • D、Frame Relay
    • E、HDLC
    • F、PPP

    正确答案:B,D

  • 第18题：

    In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switchedLAN？（）

    • A、after broken links are re-established
    • B、in an improperly implemented redundant topology
    • C、when upper-layer protocols require high reliability
    • D、during high traffic periods
    • E、when a dual ring topology is in use

    正确答案:E

  • 第19题：

    Which of the following uses a ring topology?（）

    • A、DSL
    • B、Ethernet
    • C、DOCSIS
    • D、SONET

    正确答案:D

  • 第20题：

    Which of the following is a true statement when promiscuous mode is enabled on an Integrated Virtual Ethernet？（）

    • A、 The physical port can be used as part of a Shared Ethernet Adapter （SEA）.
    • B、 All physical ports on the Host Ethernet Adapter （HEA） default to promiscuous mode.
    • C、 Multiple logical ports can be assigned to a physical port if that logical port is in promiscuous mode.
    • D、 All physical ports that belong to the same port group will be set to promiscuous mode on the Host Ethernet Adapter （HEA）.

    正确答案:A

  • 第21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22题：

    单选题
    A butterfly valve consists basically of a disc pivoted across the bore of a ring body having the same radial dimensions as the pipe in which it is fitted.According to the above sentence, which of the following statements is not true?（）
    A

    The diameter of a disc is the same as the outer diameter of the pipe

    B

    We can infer that the valve is opened or closed by rotating the spindle

    C

    A butterfly valve comprises a disc and a ring body

    D

    The profile of the butterfly valve is a ring body


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following does a star ring topology use for data transfer?（）
    A

    CSMA/CD

    B

    CSMA/CA

    C

    CHAP

    D

    Token passing


    正确答案： A
    解析： 暂无解析

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