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
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
B.WIRELESS MAN
C.CELLULAR RADIO NETWORK
D.PICONET
参考解析
解析：解析：参考译文
蓝牙设备可以是一个主设备也可以是一个从设备，位于（请作答此空）中的任一设备都可以成为主设备。在一个网络中只有一个主设备，最多有（ ）个激活的从设备。另外，一个设备可以是活跃的从设备或是休眠的从设备，最多有（ ）个休眠的从设备。如果已有最大数量的活跃从设备，那么，一个休眠的从设备就必须等到某活跃从设备切换到（ ）模式后才能被激活。在一个网络内，所有的（ ）通信都是被禁止的。
蓝牙设备可以是一个主设备也可以是一个从设备，位于（请作答此空）中的任一设备都可以成为主设备。在一个网络中只有一个主设备，最多有（ ）个激活的从设备。另外，一个设备可以是活跃的从设备或是休眠的从设备，最多有（ ）个休眠的从设备。如果已有最大数量的活跃从设备，那么，一个休眠的从设备就必须等到某活跃从设备切换到（ ）模式后才能被激活。在一个网络内，所有的（ ）通信都是被禁止的。
相关考题：
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
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?() A.Each extra column in the copy with more columns must not have a default valueB.Columns that are common to both versions of the table must be defined in the same order on the master and the slaveC.The slave database cannot have more columns than the master. Only the master database can have more columnsD.Columns 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 serverE.The master database cannot have more columns than the slave. Only the slave deatbase can have more columns
Compare a typical Distributed Replicated Block Device (DRBD) with MySQL Standard Replication using master－slave replication. Which two statements are correct?() A.Both technologies guarantee an identical copy of data on the secondary nodeB.Only MySQL can maintain a time-delayed copy of data on the secondary nodeC.Both technologies use the TCP/IP stack as their primary transmission mediumD.DRBD uses shared-disk technology
When backing up a replication slave, which three should also be backed up in addition to data?() A.The master.info and relay.info filesB.The relay log filesC.The relay index fileD.Mysql.slave_master_info tableE.Mysql.slave_relay_log_info tableF.Mysql.slave_worker_info table
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
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 B.15 C.63 D.255
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 C.PARKED.SLAVE D.ACTIVE SLAVE
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
Which three statements describe the configuration change management feature in DCNM LAN？ （）A、 Switch profiles allow configurations to be synchronized between switches and are supported with any Cisco NX-OS Software managed device.B、 DCNM LAN can archive configurations from devices even if they are not managed by the DCNM server， and the administrator can supply the device management IP address and credentials.C、 You can archive a maximum of 50 configuration versions per managed device.D、 Managed devices must be licensed in DCNM LAN before they can be used with configuration change management.E、 Device-running configuration will be archived only if it differs from the last archived version.
Which of the following statements is false？（）A、There can be more than one master catalog for a storeB、A sales catalog is a subset of the master catalogC、The master catalog is the central place for the stores merchandiseD、There can be more than one sales catalog for a storeE、Multiple stores can share a master catalog
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
Which three statements are true when working with high-availability clusters？（）A、The valid cluster-id range is between 0 and 255.B、JUNOS security devices can belong to more than one cluster if cluster virtualization is enabled.C、If the cluster-id value is set to 0 on a JUNOS security device， the device will not participate in the cluster.D、A reboot is required if the cluster-id or node value is changed.E、JUNOS security devices can belong to one cluster only.
Compare a typical Distributed Replicated Block Device (DRBD) with MySQL Standard Replication using master-slave replication. Which two statements are correct?（）A、Both technologies guarantee an identical copy of data on the secondary nodeB、Only MySQL can maintain a time-delayed copy of data on the secondary nodeC、Both technologies use the TCP/IP stack as their primary transmission mediumD、DRBD uses shared-disk technology
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
ROW-based replication has stopped working. You investigate the error log file and find the following entries: 2013-08-27 14:15:47 9056 [ERROR] Slave SQL: Could not execute Delete_rows event on table test.t1; Can't find record in 't1', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log 56_master-bin. 000003, end_log_pos 851, Error_code: 1032 2013-08-27 14:15:47 9056 [warning] Slave: Can't find record in 't1' Error_code: 1032 2013-08-27 14:15:47 9056 [ERROR] Error running query, slave SQL thread aborted. Fix the problem, and restart the slave SQL thread with "SLAVE START". We stopped at log '56_masterbin. 000003' position 684 Why did you receive this error?（）A、The slave SQL thread does not have DELETE privileges to execute on test.t1 table.sB、The table definition on the slave -litters from the masterC、Multi-threaded replication slaves can have temporary errors occurring for cross database updatesD、The slave SQL thread attempted to remove a row from the test.t1 table, but the row did not exist
单选题Which of the following statements is false？（）AThere can be more than one master catalog for a storeBA sales catalog is a subset of the master catalogCThe master catalog is the central place for the stores merchandiseDThere can be more than one sales catalog for a storeEMultiple stores can share a master catalog
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
多选题Which three statements describe the configuration change management feature in DCNM LAN？ （）ASwitch profiles allow configurations to be synchronized between switches and are supported with any Cisco NX-OS Software managed device.BDCNM LAN can archive configurations from devices even if they are not managed by the DCNM server， and the administrator can supply the device management IP address and credentials.CYou can archive a maximum of 50 configuration versions per managed device.DManaged devices must be licensed in DCNM LAN before they can be used with configuration change management.EDevice-running configuration will be archived only if it differs from the last archived version.
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
问答题Practice 4 Bluetooth is the newest kid on the technology block, and it holds a lot of promise for the assistive technology industry. Named for a 10th Century King of Denmark who unified the kingdoms of Denmark and Norway, Bluetooth is a shot-range wireless communication specification that promises to improve and increase electronic access to a number of environments by overcoming some of the obstacles typical of current technology. Bluetooth technology will enable devices to communicate and transfer data wirelessly and without the line-of-site issues of infra red technology. So how does it work? Bluetooth devices search each other out within their given operational range. Unlike devices that are wired together, Bluetooth devices do not have to be aware of the capabilities or properties of the devices to which they will connect beforehand. Bluetooth devices have a built-in mechanism that lets each device identify itself as well as its capabilities as it connects into this new Bluetooth network. This dynamic network does have a controlling device that designates itself as the master for the connection. Its programming and the capabilities necessary for the given task determine whether or not a device can be a master. For example, a cell phone may act as a master device when connecting to a headset, an ATM, or an information kiosk. However, the same cell phone or headset may act as a slave device to the information kiosk, now acting as the master device, broadcasting emergency evacuation information. The cell phone and kiosk can function in either capacity depending on the required function and their programming.
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?（）ASTOP SLAVE; CHANGE MASTER TO MASTER_DELAY =0, RELAY_LOG_FILE = 'hostnamerelay- bin.00004' , RELAY_LOG_POS= 1383BSTOP SLAVE; CHANGE MASTER TO RELAY_LOG_FILE = 'hostname-relay-bin.00004', RELAY_LOG_POS = 1383CSTOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; START SLAVEDSTOP SLAVE; SET GLOBAL master_delay =0; START SLAVE
多选题Which three statements are true when working with high-availability clusters? (Choose three.)（）AThe valid cluster-id range is between 0 and 255.BJunos OS security devices can belong to more than one cluster if cluster virtualization is enabled.CIf the cluster-id value is set to 0 on a Junos security device, the device will not participate in the cluster.DA reboot is required if the cluster-id or node value is changed.EJunos OS security devices can belong to one cluster only.
多选题Compare a typical Distributed Replicated Block Device (DRBD) with MySQL Standard Replication using master-slave replication. Which two statements are correct?（）ABoth technologies guarantee an identical copy of data on the secondary nodeBOnly MySQL can maintain a time-delayed copy of data on the secondary nodeCBoth technologies use the TCP/IP stack as their primary transmission mediumDDRBD uses shared-disk technology
多选题In which two locations in an enterprise network can an IPS sensor be placed?（）Abridging VLANs on two switchesBbridging two VLANs on one switchCbetween two Layer 2 devices withtrunkingDbetween two Layer 2 devices withouttrunkingEbetween a Layer 2 device and a Layer 3 device withtrunking
多选题Which three statements are true when working with high-availability clusters？（）AThe valid cluster-id range is between 0 and 255.BJUNOS security devices can belong to more than one cluster if cluster virtualization is enabled.CIf the cluster-id value is set to 0 on a JUNOS security device， the device will not participate in the cluster.DA reboot is required if the cluster-id or node value is changed.EJUNOS security devices can belong to one cluster only.
单选题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?（）AInclude-master-infoBMaster-binlogCInclude-log-fileDMaster-data