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单选题
Which statement is true regarding an Ethernet collision domain?（）
A
If a router is used, the collision domain includes all devices connected to the router.
B
If a hub is used, the collision domain is limited to each device and the hub.
C
If a switch is used, the collision domain is limited to each device and the switch.
D
If a bridge is used, the collision domain includes all devices connected to the bridge.
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更多 “单选题Which statement is true regarding an Ethernet collision domain?（）A If a router is used, the collision domain includes all devices connected to the router.B If a hub is used, the collision domain is limited to each device and the hub.C If a switch is used, the collision domain is limited to each device and the switch.D If a bridge is used, the collision domain includes all devices connected to the bridge.” 相关考题
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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.
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Which two statements describe the operation of the CSMA/CD access method, which is in use on the Ezonexam network? (Choose two)A. After a collision, the station that detected the collision has first priority to resend the lost data.B. In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting.C. In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously.D. The use of hubs to enlarge the size of collision domains is one way to improve the operation of the CSMA/CD access method.E. After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data.F. After a collision, all stations involved run an identical backoff algorithm and then synchronize with each other prior to transmitting data.
考题
Which of the following a true statements regarding the use of VLANs to segment a network? (Select three)A. They increase the size of collision domainsB. They allow logical grouping of users by function.C. They can enhance network security.D. They increase the size of the broadcast domain while decreasing the number of collision domains.E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.F. They simplify switch administration.
考题
Which of the following devices separates a LAN segment into two collision domains, without affecting the broadcast domain?()
A.FirewallB.BridgeC.RepeaterD.Router
考题
Which of the following contribute to congestion on an Ethernet network?()
A. Use of full duplex mode.B. Creation of new collision domain.C. Creation of new broadcast domain.D. Addition of hub to the network.E. Use of switches in the network.F. Amount of ARP or IPX SAP traffic.
考题
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.
考题
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.
考题
Which of the following are true regarding bridges and switches?()
A. Bridges are faster than switches because they have fewer ports.B. A switch is a multiport bridge.C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.D. A bridge will forward a broadcast but a switch will not.E. Bridges and switches increase the size of a collision domain.
考题
Which statement is true regarding an Ethernet collision domain?（）A、If a router is used, the collision domain includes all devices connected to the router.B、If a hub is used, the collision domain is limited to each device and the hub.C、If a switch is used, the collision domain is limited to each device and the switch.D、If a bridge is used, the collision domain includes all devices connected to the bridge.
考题
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
考题
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.
考题
Which of the following a true statements regarding the use of VLANs to segment anetwork? （）A、They increase the size of collision domainsB、They allow logical grouping of users by function.C、They can enhance network security.D、They increase the size of the broadcast domain while decreasing the number of collision domains.E、They increase the number of broadcast domains while decreasing the size of the broadcast domains.F、They simplify switch administration.
考题
Which of the following devices separates a LAN segment into two collision domains, without affecting the broadcast domain?（）A、FirewallB、BridgeC、RepeaterD、Router
考题
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.
考题
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.
考题
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-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
考题
Which two statements are true regarding an Ethernet collision domain?（）A、The likelihood of collisions occurring increases when a switch is used.B、The likelihood of collisions occurring increases when a hub is used.C、If a hub is used, the collision domain is limited to each device and the hub.D、If a switch is used, the collision domain is limited to each device and the switch.
考题
Which statement is true regarding an Ethernet collision domain?（）A、If a router is used, the collision domain includes all devices connected to the routerB、If a hub is used, the colision domain is limited to each device and the hubC、If a switch is used, the collision domain is limited to each device and the switchD、If a bridge is used, the collision domain includes all devices connected to the bridge
考题
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.
考题
多选题Which of the following contribute to congestion on an Ethernet network?（）AUse of full duplex mode.BCreation of new collision domain.CCreation of new broadcast domain.DAddition of hub to the network.EUse of switches in the network.FAmount of ARP or IPX SAP traffic.
考题
多选题Which two statements are true regarding an Ethernet collision domain?（）AThe likelihood of collisions occurring increases when a switch is used.BThe likelihood of collisions occurring increases when a hub is used.CIf a hub is used, the collision domain is limited to each device and the hub.DIf a switch is used, the collision domain is limited to each device and the switch.
考题
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 switchBIf a hub is used, the collision domain is limited to each device and the hubCIf a hub is used, the collision domain includes all devices connected to the hubDIf a switch is used, the collision domain includes all devices connected to the switch
考题
单选题Which statement is true regarding an Ethernet collision domain?（）A
If a router is used, the collision domain includes all devices connected to the routerB
If a hub is used, the colision domain is limited to each device and the hubC
If a switch is used, the collision domain is limited to each device and the switchD
If a bridge is used, the collision domain includes all devices connected to the bridge
考题
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
考题
单选题Which of the following devices separates a LAN segment into two collision domains, without affecting the broadcast domain?（）A
FirewallB
BridgeC
RepeaterD
Router
考题
多选题What are the differences between full-duplex Ethernet and half-duplex Ethernet?（）AHalf-duplex Ethernet operates in a shared collision domain.BFull-duplex Ethernet has a lower effective throughput.CHalf-duplex Ethernet operates in a private collision domain.DFull-duplex Ethernet allows two-way communication.EHalf-duplex Ethernet operates in a private broadcast domain.
考题
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?（）AHalf-duplex Ethernet operates in a shared collision domain.BHalf-duplex Ethernet operates in an exclusive broadcast domain.CHalf-duplex Ethernet has efficient throughput.DHalf-duplex Ethernet has lower effective throughput.EHalf-duplex Ethernet operates in an exclusive collision domain.
考题
单选题Which statement is true regarding an Ethernet collision domain?（）A
If a router is used, the collision domain includes all devices connected to the router.B
If a hub is used, the collision domain is limited to each device and the hub.C
If a switch is used, the collision domain is limited to each device and the switch.D
If a bridge is used, the collision domain includes all devices connected to the bridge.
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