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多选题
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
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更多 “多选题Two devices on an Ethernet segment sent frames at the same time causing a collision. Which twostatements are true?（）ABoth devices stop transmiting, wait a random period of time, verify the wire is idle, and re-transmitBThe device with the lowest MAC address is permitted to retrannsmit firstCThe device with the lowest MAC address sends a jam signal to notify all other devices of the collisionDBoth devices send a jam signal to notify all other devices of the collision” 相关考题
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Two stations on a LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network?()
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For what two purposes does the Ethernet protocol use physical addresses?()
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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-transmitB、The device with the lowest MAC address is permitted to retrannsmit firstC、The device with the lowest MAC address sends a jam signal to notify all other devices of the collisionD、Both devices send a jam signal to notify all other devices of the collision
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Which two statements are true regarding an Ethernet collision domain?（）A、If a switch is used, the collision domain is limited to each device and the switchB、If a hub is used, the collision domain is limited to each device and the hubC、If a hub is used, the collision domain includes all devices connected to the hubD、If a switch is used, the collision domain includes all devices connected to the switch
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For what two purposes does the Ethernet protocol use physical addresses？（）A、to uniquely identify devices at Layer 2B、to allow communication with devices on a different networkC、to differentiate a Layer 2 frame from a Layer 3 packetD、to establish a priority system to determine which device gets to transmit firstE、to allow communication between different devices on the same networkF、to allow detection of a remote device when its physical address is unknown
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With regard to Ethernet media access methods, which of the following are true?（）A、A device waits for an electronic signal before transmitting.B、A device listens and waits until the media is not busy before transmitting.C、All devices on an Ethernet segment see data that passes on the network medium.D、Only the sender and the receiver devices see data that passes on the network medium.E、Ethernet networks allow you to configured devises with higher transmission priority.
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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.
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Which two statements are true regarding an Ethernet collision domain?（）A、If a switch is used, the collision domain is limited to each device and the switch.B、If a hub is used, the collision domain is limited to each device and the hub.C、If a hub is used, the collision domain includes all devices connected to the hub.D、If a switch is used, the collision domain includes all devices connected to the switch.
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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.
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Which two statements accurately describe a broadcast domain?（）A、Broadcast domains require that the participating devices connect to common switches or hubsB、Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast addressC、Broadcast domains require a gateway device such as a routerD、Broadcast domains consist of devices that reside on the same VLAN
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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-transmitB、The device with the lowest MAC address is permitted to retrannsmit firstC、The device with the lowest MAC address sends a jam signal to notify all other devices of the collisionD、Both devices send a jam signal to notify all other devices of the collision
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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.
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多选题Which two statements are true regarding an Ethernet collision domain?（）AIf a switch is used, the collision domain is limited to each device and the switch.BIf a hub is used, the collision domain is limited to each device and the hub.CIf a hub is used, the collision domain includes all devices connected to the hub.DIf a switch is used, the collision domain includes all devices connected to the switch.
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多选题Two stations on a LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network?（）AEach device on the Ethernet segment stops transmitting for a short time.BA jam signal informs all devices that a collision occurred.CWhen data transmission resumes, the devices that were involved in the collision have priority to transmit.DThe devices that are involved in the collision stops transmitting for a short time.EThe collision invokes a random back-off algorithm.
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多选题For what two purposes does the Ethernet protocol use physical addresses? （）Ato uniquely identify devices at Layer 2Bto allow communication with devices on a different networkCto differentiate a Layer 2 frame from a Layer 3 packetDto establish a priority system to determine which device gets to transmit firstEto allow communication between different devices on the same networkFto allow detection of a remote device when its physical address is unknown
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多选题Two devices on an Ethernet segment sent frames at the same time causing a collision. Which two statements are true?（）ABoth devices stop transmiting, wait a random period of time, verify the wire is idle, and re-transmitBThe device with the lowest MAC address is permitted to retrannsmit firstCThe device with the lowest MAC address sends a jam signal to notify all other devices of the collisionDBoth devices send a jam signal to notify all other devices of the collision
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