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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

题目
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
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相似问题和答案

第1题：

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 node

B.Only MySQL can maintain a time-delayed copy of data on the secondary node

C.Both technologies use the TCP/IP stack as their primary transmission medium

D.DRBD uses shared-disk technology


参考答案：B, C

第2题：

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 LAN

B. Wireless MAN

C. Cellular radio network

D. Piconet

（72）

A. 7

B. 15

C. 63

D. 255

（73）

A. 127

B. 255

C. 511

D. 1023

（74）

A. master

B. standby slave

C. parked slave

D. active slave

（75）

A. master-to-master

B. master-to-slave

C. slave-to-slave

D. slave-to-master


正确答案：D,A,B,C,C
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（71）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 （72）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（73）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（74）模式后才能被激活。在一个网络内，所有的（75）通信都是被禁止的。
参考答案
（71）D  （72）A  （73）B  （74）C  （75）C

第3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-info

B.Master-binlog

C.Include-log-file

D.Master-data


参考答案：D

第4题：

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.

正确答案:C,D,E

第5题：

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

答案：D
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。

第6题：

When backing up a replication slave, which three should also be backed up in addition to data?()

A.The master.info and relay.info files

B.The relay log files

C.The relay index file

D.Mysql.slave_master_info table

E.Mysql.slave_relay_log_info table

F.Mysql.slave_worker_info table


参考答案：A, B, C

第7题：

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

答案：A
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（ ）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（请作答此空）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。

第8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?()

A.Each extra column in the copy with more columns must not have a default value

B.Columns that are common to both versions of the table must be defined in the same order on the master and the slave

C.The slave database cannot have more columns than the master. Only the master database can have more columns

D.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 server

E.The master database cannot have more columns than the slave. Only the slave deatbase can have more columns


参考答案：B, D

第9题：

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

答案：C
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（ ）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（请作答此空）通信都是被禁止的。

第10题：

Which of the following options applies to virtual Ethernet devices（）

  • A、A virtual Ethernet adapter can only connect to other partitions within the same system.
  • B、A virtual Ethernet  adapter needs  to be connected to an external VLAN  capable switch to be able to communicate with other partitions on the same system.
  • C、A partition can support an unlimited number of virtual Ethernet devices.
  • D、A virtual Ethernet adapter in the VIO Server that is part of a SEA should not have the "trunk flag" set

正确答案:A

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