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Pat thought Caesar was his ______.
A. friend
B. servant
C. master
D. slave
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Since he succeeded in working out the problem, he deserves ____________.
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I thought he was my friend, but when I was in trouble he turned his __________ on me.
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You need to replicate a table from a master to a slave. The master and slave copies of the table will have different number of columns.Which two conditions must be true?()
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When backing up a replication slave, which three should also be backed up in addition to data?()
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在一台电脑安装IDE设备时,下列哪一个不用进行跳线设置()。
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以下关于VRRP说法正确的是:()
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Peter was so excited _______he received an invitation from his friend to visit Chongqing.A. where B. thatC. why D. when
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试题（71）～（75）A Bluetooth device can be either a master or a slave and any of the devices within a （71）can be the master. There is only one master and there can be up to （72） active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to （73） parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to （74） mode before it can become active. Within a network, all （75） communications are prohibited.（71）A. Wireless LANB. Wireless MANC. Cellular radio networkD. Piconet（72）A. 7B. 15C. 63D. 255（73）A. 127B. 255C. 511D. 1023（74）A. masterB. standby slaveC. parked slaveD. active slave（75）A. master-to-masterB. master-to-slaveC. slave-to-slaveD. slave-to-master
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He borrowed a dictionary from___________.A.one of his friend
B.a friend of him
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A Bluetooth device can be either a master or a slave and any of the devices within a （ ）can be the master. There is only one master and there can be up to （请作答此空） active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to （ ） parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to （ ） mode before it can become active. Within a network, all （ ） communications are prohibited.A.7
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A Bluetooth device can be either a master or a slave and any of the devices within a （请作答此空）can be the master. There is only one master and there can be up to （ ） active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to （ ） parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to （ ） mode before it can become active. Within a network, all （ ） communications are prohibited.A.WIRELESS LAN
B.WIRELESS MAN
C.CELLULAR RADIO NETWORK
D.PICONET
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A Bluetooth device can be either a master or a slave and any of the devices within a （ ）can be the master. There is only one master and there can be up to （ ） active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to （ ） parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to （请作答此空） mode before it can become active. Within a network, all （ ） communications are prohibited.A.MASTER
B.STANDBY SLAVE
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A Bluetooth device can be either a master or a slave and any of the devices within a （ ）can be the master. There is only one master and there can be up to （ ） active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to （ ） parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to （ ） mode before it can become active. Within a network, all （请作答此空） communications are prohibited.A.MASTER-TO-MASTER
B.MASTER-TO-SLAVE
C.SLAVE-TO-SLAVE
D.SLAVE-TO-MASTER
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在给硬盘跳线时，我们常常会看到“Master”和“Slave”标记，它们的含义分别为（）。A、“Master”为主盘、”Slave”为从盘B、“Master”为从盘、”Slave”为从盘C、“Master”为第一IDE接口硬盘、“slave”第二IDE接口硬盘D、”Master”为第二IDE接口硬盘、“Slave”第一IDE接口硬盘
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You need to dump the data from the master server and import it into a new slave server. Which mysqldump option can be used when dumping data from the master server in order to include the master server's binary log information?（）A、Include-master-infoB、Master-binlogC、Include-log-fileD、Master-data
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单选题The master’s authority to act in the interests of the cargo owner is part of his general authority as servant of the Shipowner，and therefore（）will be liable if the master abuses his powers.A
the ChartererB
the ShipownerC
the shipperD
the cargo owner
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多选题When backing up a replication slave, which three should also be backed up in addition to data?（）AThe master.info and relay.info filesBThe relay log filesCThe relay index fileDMysql.slave_master_info tableEMysql.slave_relay_log_info tableFMysql.slave_worker_info table
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多选题You need to replicate a table from a master to a slave. The master and slave copies of the table will have different number of columns. Which two conditions must be true?（）AEach extra column in the copy with more columns must not have a default valueBColumns that are common to both versions of the table must be defined in the same order on the master and the slaveCThe slave database cannot have more columns than the master. Only the master database can have more columnsDColumns that are common to both versions of the table must come first in the table definition, before any additional columns are additional columns are defined on either serverEThe master database cannot have more columns than the slave. Only the slave deatbase can have more columns
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单选题An existing master-slave setup is currently using a delayed replication of one hour. The master has crashed and the slave must be "rolled forward" to provide all the latest data. The SHOW SLAVE STATUS indicates the following values: RELAY_LOG_FILE =hostname-relay-bin.00004 RELAY_LOG_POS = 1383 Which command set would make the slave current?（）A
STOP SLAVE; CHANGE MASTER TO MASTER_DELAY =0, RELAY_LOG_FILE = 'hostnamerelay- bin.00004' , RELAY_LOG_POS= 1383B
STOP SLAVE; CHANGE MASTER TO RELAY_LOG_FILE = 'hostname-relay-bin.00004', RELAY_LOG_POS = 1383C
STOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; START SLAVED
STOP SLAVE; SET GLOBAL master_delay =0; START SLAVE
考题
单选题A
By telephoning his friend.B
By writing his friend a letter.C
By checking the post office’ s records.D
By the signature of his friend on the return receipt.
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