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Which two statements about SCSI are true？ （）
- A、 The bus is limited to 32 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
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更多 “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” 相关考题
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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
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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
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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.
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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.
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You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN).To accomplish the backup, you issued the following RMAN command:RMAN BACKUP SECTION SIZE 300M TABLESPACE users;Which two statements are true about the execution of the above command? （）(Choose two.)A. The backup piece size will be limited to 300 MBB. The RMAN uses multiplexing to perform backupC. The operation is accomplished using the default channel availableD. The RMAN parallelizes the backup although the parallelism is not set for a channel
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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.
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In Ethernet networks, duplex mismatches will lower performance. Which error statistics can be seen if a duplex mismatch is present?()
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What are the differences between full－duplex Ethernet and half－duplex Ethernet?()
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Which two of these correctly describe Fibre Channel? ()
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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.
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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.
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Which Virtual IO Server function allows disk to be shared by multiple LPARs?（）A、Virtual LANB、Virtual diskC、Virtual SCSID、Virtual serial
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Which two of these correctly describe Fibre Channel？（）A、 supports multiple protocolsB、 works only in a shared or loop environmentC、 allows addressing for up to 4 million nodesD、 allows addressing for up to 8 million nodesE、 provides a high speed transport for SCSI payloadsF、 may stretch to a distance of up to 100 km before needing extenders
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Which two of these correctly describe Fibre Channel? （）A、supports multiple protocolsB、works only in a shared or loop environmentC、allows addressing for up to 4 million nodesD、allows addressing for up to 8 million nodesE、provides a high speed transport for SCSI payloadsF、may stretch to a distance of up to100 km before needing extenders
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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.
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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.
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What are the two parallel SCSI specifications？（）A、 Up to 25 m bus lengthB、 Only one device per SCSI busC、 Up to 16 devices per SCSI busD、 Half-duplex operationE、 Full-duplex operation
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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
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You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? （）(Choose two.)A、The backup piece size will be limited to 300 MBB、The RMAN uses multiplexing to perform backupC、The operation is accomplished using the default channel availableD、The RMAN parallelizes the backup although the parallelism is not set for a channel
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Which two statements are true about the duplexing of the backups taken by RMAN? （）(Choose two.)A、It's only supported for the backups performed on the tapeB、It is not supported for backup operations that produce image copiesC、Duplex backups need a parallelism for the device to be equal to number of copiesD、Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously
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Which two statements are true about the duplexing of the backups taken by RMAN？（） A、 It’s only supported for the backups performed on the tapeB、 It is not supported for backup operations that produce image copiesC、 Duplex backups need a parallelism for the device to be equal to number of copiesD、 Duplex backups can be performed to either disk or tape， but cannot be performed on tape and disk simultaneously
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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.
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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.
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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.
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