The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?A．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to

题目

The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?

A．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive

B．Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link

C．Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth

D．Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex ethernet uses a jam signal

E．None of the above

相似考题

1.You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?A．Full-duplex Ethernet consists of a shared cable segment. Half-duplex provides a point-to-point linkB．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receiveC．Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidthD．Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signalE．None of the above

2.When you compare the differences between half-duplex and full-duplex Ethernet, which of the following characteristics are exclusive to half-duplex? (Select two answer choices)A．Half-duplex Ethernet operates in a shared collision domain.B．Half-duplex Ethernet operates in an exclusive broadcast domain.C．Half-duplex Ethernet has efficient throughput.D．Half-duplex Ethernet has lower effective throughput.E．Half-duplex Ethernet operates in an exclusive collision domain.

3.Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)A．Full-duplex Ethernet uses CSMA/CD to prevent collisions.B．Half-duplex Ethernet uses a loopback circuit to detect collisions.C．A full-duplex Ethernet card allows 20Mbps for data transmission.D．Full-duplex Ethernet makes use of two pairs of wires for data.E．An Ethernet hub can operate both half and full duplex simultaneously.

4.Which three statements are true about the operation of a full-duplex Ethernet network, which is being used in the Ezonexam LAN? (Choose three)A．Ethernet hub ports are preconfigured for full-duplex mode.B．The host network card and the switch port must be capable of operating in full-duplex mode.C．There are no collisions in full-duplex mode.D．In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.E．A dedicated switch port is required for each full-duplex node.

更多“The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?A．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to ”相关问题

  • 第1题：

    In Ethernet networks, duplex mismatches will lower performance. Which error statistics can be seen if a duplex mismatch is present?()

    A.collisions on the full-duplex side; runts on the half-duplex side

    B.collisions on the full-duplex side; collisions on the half-duplex side

    C.collisions on the half-duplex side; framing errors on the full-duplex side

    D.collisions on the half-duplex side; giants on the full-duplex side


    参考答案：C

  • 第2题：

    What are the differences between full－duplex Ethernet and half－duplex Ethernet?()

    A. Half-duplex Ethernet operates in a shared collision domain.

    B. Full-duplex Ethernet has a lower effective throughput.

    C. Half-duplex Ethernet operates in a private collision domain.

    D. Full-duplex Ethernet allows two-way communication.

    E. Half-duplex Ethernet operates in a private broadcast domain.


    参考答案：A, D

  • 第3题：

    Which two of these Metro Internet services map to E-LAN services that are defined by the MEF？（）

    • A、 Ethernet Private Line
    • B、 Ethernet Wire Service
    • C、 Ethernet Relay Service
    • D、 Ethernet Multipoint Service
    • E、 Ethernet Relay Multipoint Service

    正确答案:D,E

  • 第4题：

    Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?（）

    • A、Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.
    • B、Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.
    • C、Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.
    • D、Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.

    正确答案:C

  • 第5题：

    Two devices on an Ethernet segment sent frames at the same time causing a collision. Which twostatements are true?（）

    • A、Both devices stop transmiting, wait a random period of time, verify the wire is idle, and re-transmit
    • B、The device with the lowest MAC address is permitted to retrannsmit first
    • C、The device with the lowest MAC address sends a jam signal to notify all other devices of the collision
    • D、Both devices send a jam signal to notify all other devices of the collision

    正确答案:A,D

  • 第6题：

    Which two of these are characteristics of Metro Ethernet? （）

    • A、class of service
    • B、bandwidth profiles
    • C、user-network interface
    • D、Ethernet LAN circuit attributes
    • E、Ethernet virtual circuit attributes

    正确答案:C,E

  • 第7题：

    Which three of these Metro Ethernet services map to E-Line services that are defined by the MEF？ （）

    • A、 Ethernet Private Line
    • B、 Ethernet Wire Service
    • C、 Ethernet Relay Service
    • D、 Ethernet Multipoint Service
    • E、 Ethernet Relay Multipoint Service

    正确答案:A,B,C

  • 第8题：

    Two devices on an Ethernet segment sent frames at the same time causing a collision.Which two statements are true?（）

    • A、Both devices stop transmitting, wait a random period of time, verify the wire is idle, and re- transmit.
    • B、The device with the lowest MAC address is permitted to retransmit first.
    • C、The device with the lowest MAC address sends a jam signal to notify all other devices of the collision.
    • D、Both devices send a jam signal to notify all other devices of the collision.

    正确答案:A,D

  • 第9题：

    Two devices on an Ethernet segment sent frames at the same time causing a collision. Which two statements are true?（）

    • A、Both devices stop transmiting, wait a random period of time, verify the wire is idle, and re-transmit
    • B、The device with the lowest MAC address is permitted to retrannsmit first
    • C、The device with the lowest MAC address sends a jam signal to notify all other devices of the collision
    • D、Both devices send a jam signal to notify all other devices of the collision

    正确答案:A,D

  • 第10题：

    单选题
    Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?（）
    A

    Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.

    B

    Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.

    C

    Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.

    D

    Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    多选题
    Two devices on an Ethernet segment sent frames at the same time causing a collision. Which two statements are true?（）
    A

    Both devices stop transmiting, wait a random period of time, verify the wire is idle, and re-transmit

    B

    The device with the lowest MAC address is permitted to retrannsmit first

    C

    The device with the lowest MAC address sends a jam signal to notify all other devices of the collision

    D

    Both devices send a jam signal to notify all other devices of the collision


    正确答案： C,D
    解析： 暂无解析

  • 第12题：

    多选题
    When you compare the differences between half-duplex and full-duplex Ethernet,which of the following characteristics are exclusive to half-duplex?（）
    A

    Half-duplex Ethernet operates in a shared collision domain.

    B

    Half-duplex Ethernet operates in an exclusive broadcast domain.

    C

    Half-duplex Ethernet has efficient throughput.

    D

    Half-duplex Ethernet has lower effective throughput.

    E

    Half-duplex Ethernet operates in an exclusive collision domain.


    正确答案： A,B
    解析： 暂无解析

  • 第13题：

    Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling,one pair for sending and the other pair for receiving?()

    A.100Base-T4

    B.100Base-TX

    C.100Base-X

    D.100Base-FX


    参考答案：B

  • 第14题：

    Which two of these Metro Internet services map to E－LAN services that are defined by the MEF?()

    A. Ethernet Private Line

    B. Ethernet Wire Service

    C. Ethernet Relay Service

    D. Ethernet Multipoint Service

    E. Ethernet Relay Multipoint Service


    参考答案：D, E

  • 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：

    Which two statements about 10 Gigabit Ethernet （10GE） are true？（）

    • A、10 Gigabit Ethernet does not support VLAN definition
    • B、10 Gigabit Ethernet supports full duplex links， but does not support half duplex links
    • C、10 Gigabit Ethernet supports unshielded or shielded twisted-pair cable connections
    • D、10 Gigabit Ethernet supports Carrier Sense Multiple Access with Collision Detection （CSMA/CD）
    • E、10 Gigabit Ethernet supports optical fiber connections in single mode only. Mufti mode is not supported

    正确答案:B,C

  • 第17题：

    Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling,one pair for sending and the other pair for receiving?（）

    • A、100Base-T4
    • B、100Base-TX
    • C、100Base-X
    • D、100Base-FX

    正确答案:B

  • 第18题：

    Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?（）

    • A、Full-duplex Ethernet uses CSMA/CD to prevent collisions.
    • B、Half-duplex Ethernet uses a loopback circuit to detect collisions.
    • C、A full-duplex Ethernet card allows 20Mbps for data transmission.
    • D、Full-duplex Ethernet makes use of two pairs of wires for data.
    • E、An Ethernet hub can operate both half and full duplex simultaneously.

    正确答案:B,D

  • 第19题：

    When you compare the differences between half-duplex and full-duplex Ethernet,which of the following characteristics are exclusive to half-duplex?（）

    • A、Half-duplex Ethernet operates in a shared collision domain.
    • B、Half-duplex Ethernet operates in an exclusive broadcast domain.
    • C、Half-duplex Ethernet has efficient throughput.
    • D、Half-duplex Ethernet has lower effective throughput.
    • E、Half-duplex Ethernet operates in an exclusive collision domain.

    正确答案:A,D

  • 第20题：

    In Ethernet networks, duplex mismatches will lower performance. Which error statistics can be seen if a duplex mismatch is present?（）

    • A、collisions on the full-duplex side; runts on the half-duplex side
    • B、collisions on the full-duplex side; collisions on the half-duplex side
    • C、collisions on the half-duplex side; framing errors on the full-duplex side
    • D、collisions on the half-duplex side; giants on the full-duplex side

    正确答案:C

  • 第21题：

    多选题
    Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?（）
    A

    Full-duplex Ethernet uses CSMA/CD to prevent collisions.

    B

    Half-duplex Ethernet uses a loopback circuit to detect collisions.

    C

    A full-duplex Ethernet card allows 20Mbps for data transmission.

    D

    Full-duplex Ethernet makes use of two pairs of wires for data.

    E

    An Ethernet hub can operate both half and full duplex simultaneously.


    正确答案： D,E
    解析： 暂无解析

  • 第22题：

    多选题
    Which two statements about 10 Gigabit Ethernet （10GE） are true？（）
    A

    10 Gigabit Ethernet does not support VLAN definition

    B

    10 Gigabit Ethernet supports full duplex links， but does not support half duplex links

    C

    10 Gigabit Ethernet supports unshielded or shielded twisted-pair cable connections

    D

    10 Gigabit Ethernet supports Carrier Sense Multiple Access with Collision Detection （CSMA/CD）

    E

    10 Gigabit Ethernet supports optical fiber connections in single mode only. Mufti mode is not supported


    正确答案： B,E
    解析： 暂无解析

  • 第23题：

    多选题
    What are the differences between full-duplex Ethernet and half-duplex Ethernet?（）
    A

    Half-duplex Ethernet operates in a shared collision domain.

    B

    Full-duplex Ethernet has a lower effective throughput.

    C

    Half-duplex Ethernet operates in a private collision domain.

    D

    Full-duplex Ethernet allows two-way communication.

    E

    Half-duplex Ethernet operates in a private broadcast domain.


    正确答案： D,E
    解析： 暂无解析

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