In an Ethernet network, under what two scenarios can devices transmit?()A. when they receive a special tokenB. when there is a carrierC. when they detect no other devices are sendingD. when the medium is idleE. when the server grants access

题目
In an Ethernet network, under what two scenarios can devices transmit?()

A. when they receive a special token

B. when there is a carrier

C. when they detect no other devices are sending

D. when the medium is idle

E. when the server grants access

相似考题

1.Two stations on the Ezonexam LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network? (Choose all that apply)A．Each device on the Ethernet segment stops transmitting for a short time.B．A jam signal informs all devices that a collision occurred.C．When data transmission resumes, the devices that were involved in the collision have priority to transmit.D．The devices that are involved in the collision stops transmitting for a short time.E．The collision invokes a random back-off algorithm.

2.What are two security appliances that can be installed in a network (Choose two.)()。A.ATMB.IDSC.IOSD.IOXE.IPSF.SDM

3.Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies? (Choose two.)（）A、copierB、microwave ovenC、toasterD、cordless phoneE、IP phoneF、AM radio

4.Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system.Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system . Where can an IPS sensor be placed in an enterprise network?（）A. core layerB. bridging two VLANs on one switchC. between two Layer 2 devices withtrunkingD. between two Layer 2 devices withouttrunking

参考答案和解析
参考答案：C, D
更多“In an Ethernet network, under what two scenarios can devices transmit?() ”相关问题

  • 第1题：

    Two stations on a LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network?（）

    • A、Each device on the Ethernet segment stops transmitting for a short time.
    • B、A jam signal informs all devices that a collision occurred.
    • C、When data transmission resumes, the devices that were involved in the collision have priority to transmit.
    • D、The devices that are involved in the collision stops transmitting for a short time.
    • E、The collision invokes a random back-off algorithm.

    正确答案:B,D,E

  • 第2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3题：

    What are two security appliances that can be installed in a network? (Choose two.)（）  

    • A、ATM
    • B、IDS
    • C、IOS
    • D、IOX
    • E、IPS
    • F、SDM

    正确答案:B,E

  • 第4题：

    多选题
    If a SONET/SDH interface transmit link fails between two JUNOS devices, which two alarms or defects would be seen on those devices?（）
    A

    LOS

    B

    REI

    C

    BIP-B3

    D

    RDI


    正确答案： A,C
    解析： 暂无解析

  • 第5题：

    多选题
    In an Ethernet network, under what two scenarios can devices transmit?（）
    A

    when they receive a special token

    B

    when there is a carrier

    C

    when they detect no other devices are sending

    D

    when the medium is idle

    E

    when the server grants access


    正确答案： C,B
    解析： 暂无解析

  • 第6题：

    多选题
    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： E,D
    解析： 暂无解析

  • 第7题：

    多选题
    In which two locations in an enterprise network can an IPS sensor be placed?（）
    A

    bridging VLANs on two switches

    B

    bridging two VLANs on one switch

    C

    between two Layer 2 devices withtrunking

    D

    between two Layer 2 devices withouttrunking

    E

    between a Layer 2 device and a Layer 3 device withtrunking


    正确答案： D,E
    解析： 暂无解析

  • 第8题：

    多选题
    Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies? (Choose two.)（）
    A

    copier

    B

    microwave oven

    C

    toaster

    D

    cordless phone

    E

    IP phone

    F

    AM radio


    正确答案： F,E
    解析： 暂无解析

  • 第9题：

    多选题
    Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system.Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system . Where can an IPS sensor be placed in an enterprise network?（）
    A

    core layer

    B

    bridging two VLANs on one switch

    C

    between two Layer 2 devices withtrunking

    D

    between two Layer 2 devices withouttrunking


    正确答案： D,B
    解析： 暂无解析

  • 第10题：

    In an Ethernet network, under what two scenarios can devices transmit?（）

    • A、when they receive a special token
    • B、when there is a carrier
    • C、when they detect no other devices are sending
    • D、when the medium is idle
    • E、when the server grants access

    正确答案:C,D

  • 第11题：

    In which two locations in an enterprise network can an IPS sensor be placed？ （）

    • A、 bridging VLANs on two switches
    • B、 bridging two VLANs on one switch
    • C、 between two Layer 2 devices with trunking
    • D、 between two Layer 2 devices without trunking
    • E、 between a Layer 2 device and a Layer 3 device with trunking

    正确答案:C,D

  • 第12题：

    Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system. Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system . Where can an IPS sensor be placed in an enterprise network？（）

    • A、 core layer
    • B、 bridging two VLANs on one switch
    • C、 between two Layer 2 devices with trunking
    • D、 between two Layer 2 devices without trunking

    正确答案:C,D

  • 第13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 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： D,A
    解析： 暂无解析

  • 第14题：

    多选题
    Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies?（）
    A

    copier

    B

    microwave oven

    C

    toaster

    D

    cordless phone

    E

    IP phone

    F

    AM radio


    正确答案： E,F
    解析： 暂无解析

  • 第15题：

    单选题
    Companycom will be using Virtual IO Server to share Ethernet adapters. What can be done to prevent network failure of the client if a Virtual IO Server goes down?（）
    A

    Create two virtual adapters on the client， each one from a separate Virtual IO Server

    B

    Enable dead gateway detection on the client so that the network traffic can be rerouted

    C

    Have a spare network card on standby in the client in case the Virtual IO Server goes down

    D

    Create an etherchannel adapter on the client using one Virtual Ethernet adapter from two  separate Virtual IO Servers


    正确答案： C
    解析： 暂无解析

  • 第16题：

    多选题
    In which two locations in an enterprise network can an IPS sensor be placed？（）
    A

    bridging VLANs on two switches

    B

    bridging two VLANs on one switch

    C

    between two Layer 2 devices with trunking

    D

    between two Layer 2 devices without trunking

    E

    between a Layer 2 device and a Layer 3 device with trunking


    正确答案： B,D
    解析： 暂无解析

  • 第17题：

    多选题
    What are two security appliances that can be installed in a network? （）
    A

    ATM

    B

    IDS

    C

    IOS

    D

    IOX

    E

    IPS

    F

    SDM


    正确答案： E,F
    解析： 暂无解析

  • 第18题：

    多选题
    What are two security appliances that can be installed in a network (Choose two.)（）。
    A

    ATM

    B

    IDS

    C

    IOS

    D

    IOX

    E

    IPS

    F

    SDM


    正确答案： A,E
    解析： 暂无解析

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