单一主服务器（Master）解决性能瓶颈的方法是（）

A:减少其在数据存储中的参与程度 B:不使用Master读取数据 C:客户端缓存元数据 D:采用大尺寸的数据块

以下关于VRRP选举Master的说法正确的是：（）

A:配置的Priority最大者成为Master B:配置的Priority最小者成为Slave C:配置的Priority最大者不一定成为Master D:配置的Priority最小者不一定成为Slave

多生成树协议（MSTP）中，关于Master端口的描述正确的是？（）

A:Master端口一定也是CIST上的根端口 B:如果CST的根端口所通过的VLAN中，有属于非0的MST Instance的VLAN，则该端口为Master端口 C:Master端口一定位于CIST Regional Root上 D:Master端口一定是CIST Regional Root位于CIST的根端口

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

下列有关SQLServer2000中，master数据库的说法不正确的是（）。

A:用户数据库可以重命名，master数据库不能重命名 B:master数据库记录SQL server的所有系统信息 C:master数据库在安装SQL server的过程中自动安装 D:不可以重建master数据库。

A Bluetooth device can be either a master or a slave and any of the devices within a ___30___can be the master. There is only one master and there can be up to ___31___ 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 ___32___.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 ___33___ mode before it can become active. Within a network, all ___34___ communications are prohibited.

A:master-to-master B:Master-to-slave C:slave-to-slave D:Slave-to-master

A Bluetooth device can be either a master or a slave and any of the devices within a (1) can be the master. There is only one master and there can be up to (2) 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 (3) 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 (4) mode before it can become active. Within a network, all (5) communications are prohibited.

A:master-to-master B:master-to-slave C:slave-to-slave D:slave-to-master

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.

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 （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.

A:master-to-master B:master-to-slave C:slave-to-slave D:slave-to-master