考题
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 receiveB.Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point linkC.Full-duplex Ethernet can provide higher throughout 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
考题
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.
考题
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.
考题
While troubleshooting an issue in the Ezonexam LAN you notice that a network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?A. This is an Ethernet port operating at half duplexB. This is an Ethernet port operating at full duplexC. This is a port on a network interface card in a PCD. This is 10 MB/s switch portE. This is a 100 MB/s switch portF. None of the above
考题
You are trying to connect directly into the LAN prot of a Ezonexam router. You want to telnet to the local Cisco router using TCP/IP but cannot create a session.What should you do to resolve the problem?A. Use a straight-through cable to connect your computer's COM port to the router's console port.B. Use a crossover cable to connect your computer's COM port to the router's console port.C. Use a straight-through cable to connect your computer's COM port to the router's Ethernet port.D. Use a crossover cable to connect your computer's Ethernet port to the router's Ethernet port.E. Use a rollover cable to connect your computer's Ethernet port to the router's Ethernet port.F. Use a straight-through cable to connect your computer's Ethernet port to the router's Ethernet port.G. None of the above
考题
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.
考题
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 sideB.collisions on the full-duplex side; collisions on the half-duplex sideC.collisions on the half-duplex side; framing errors on the full-duplex sideD.collisions on the half-duplex side; giants on the full-duplex side
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
SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an interface Which two statements about SCSI are true?()A. The bus is limited to 64 devices.B. It is a full-duplex serial standard.C. It is a half-duplex serial standard.D. It allows up to 320 MB/s of shared channel bandwidth.
考题
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.
考题
Which two statements about SCSI are true? ()A、 The bus is limited to 32 devicesB、 It is a full duplex serial standardC、 It is a half-duplex serial standardD、 It allows up to 320 MB/s of shared channel bandwidth
考题
Which two statements about 10 Gigabit Ethernet (10GE) are true?()A、10 Gigabit Ethernet does not support VLAN definitionB、10 Gigabit Ethernet supports full duplex links, but does not support half duplex linksC、10 Gigabit Ethernet supports unshielded or shielded twisted-pair cable connectionsD、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
考题
Why is full-duplex Ethernet superior to its single-duplex counterpart?()A、It uses inexpensive hubsB、It operates without collisionsC、It operates on switchesD、It provides faster data transferE、It utilizes fewer wiring pairs
考题
Which connections allow the use of full-duplex Ethernet?()A、Switch to hostB、Switch to switchC、Hub to hubD、Switch to hubE、Host to host
考题
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.
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
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 sideB、collisions on the full-duplex side; collisions on the half-duplex sideC、collisions on the half-duplex side; framing errors on the full-duplex sideD、collisions on the half-duplex side; giants on the full-duplex side
考题
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).
考题
多选题Why is full-duplex Ethernet superior to its single-duplex counterpart?()AIt uses inexpensive hubsBIt operates without collisionsCIt operates on switchesDIt provides faster data transferEIt utilizes fewer wiring pairs
考题
多选题Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?()AFull-duplex Ethernet uses CSMA/CD to prevent collisions.BHalf-duplex Ethernet uses a loopback circuit to detect collisions.CA full-duplex Ethernet card allows 20Mbps for data transmission.DFull-duplex Ethernet makes use of two pairs of wires for data.EAn Ethernet hub can operate both half and full duplex simultaneously.
考题
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.
考题
多选题Which two statements about 10 Gigabit Ethernet (10GE) are true?()A10 Gigabit Ethernet does not support VLAN definitionB10 Gigabit Ethernet supports full duplex links, but does not support half duplex linksC10 Gigabit Ethernet supports unshielded or shielded twisted-pair cable connectionsD10 Gigabit Ethernet supports Carrier Sense Multiple Access with Collision Detection (CSMA/CD)E10 Gigabit Ethernet supports optical fiber connections in single mode only. Mufti mode is not supported
考题
多选题SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an interface Which two statements about SCSI are true?()AThe bus is limited to 64 devices.BIt is a full-duplex serial standard.CIt is a half-duplex serial standard.DIt allows up to 320 MB/s of shared channel bandwidth.
考题
多选题Which two statements about SCSI are true? ()AThe bus is limited to 32 devicesBIt is a full duplex serial standardCIt is a half-duplex serial standardDIt allows up to 320 MB/s of shared channel bandwidth
考题
多选题Which connections allow the use of full-duplex Ethernet?()ASwitch to hostBSwitch to switchCHub to hubDSwitch to hubEHost to host
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.