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 b

题目

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

相似考题

1.●Flow control is a function that prevents network congestion by ensuring that (71) do not overwhelm (72) with datA．There are three commonly used methods for handling network congestion ． (73) is used by network devices to temporarily store bursts of excess data in memory until they can be processed． (74) are used by receiving devices to help prevent their buffers from overflowing ． (75) is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted．(71)~(72)A．transmitting devicesB．transmitted devicesC．receiving devicesD．received devices(73)~(75) A．BufferB．Source-quench messagesC．BufferingD．Windowing

2.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

3.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

4.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

参考答案和解析
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
更多“试题(71)~(75)A Bluetooth device can be either a master or a slave and any of the devices w ”相关问题

  • 第1题：

    ● OSI is a theoretical model that shows how any two different systems can communicate with each other．Router, as a networking device, operate at the (71) layer of the OSI model．

    (71)

    A．transport

    B．application

    C．network

    D．physical


    正确答案：C
    试题（71）分析
     OSI是Open System Interconnect的缩写，意为开放式系统互联。国际标准组织制定了OSI模型。这个模型把网络通信的工作分为7层，分别是物理层、数据链路层、网络层、传输层、会话层、表示层和应用层。
     Router路由器，是运行在OSI中网络层network上的网络通信设备，而不是传输层transport layer，应用层application layer，及物理层physical layer，因此选C
    参考答案
    （71）C

  • 第2题：

    Flow control is a function that prevents network congestion by ensuring that(71)do not overwhelm(72)with data. There are three commonly used methods for handling network congestion.(73)is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (74)are used by receiving devices to help prevent their buffers from overflowing.(75)is a flow -control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.

    A．transmitting devices

    B．transmitted devices

    C．receiving devices

    D．received devices


    正确答案：A

  • 第3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4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 （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

    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（请作答此空）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5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6题：

    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

    正确答案:A

  • 第7题：

    如果在主板的一个IDE插口上同时接上硬盘和光驱，硬盘应该设置

    • A、Master Slave
    • B、Master Master
    • C、Slave Master
    • D、Slave Slave

    正确答案:A

  • 第8题：

    多选题
    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
    解析： 暂无解析

  • 第9题：

    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.

    正确答案： 【参考译文】
    “蓝牙”作为技术家族的新生儿,为辅助性技术作业带来了不少希望。“蓝牙”得名于10世纪一位统一丹麦和挪威王国的丹麦国王,是一种短程无线通信技术的规范。它能逾越当前技术中的某些典型障碍,有望改善并增强各种环境中的电子通信能力。蓝牙技术能使设备进行无线通信并传输数据,并且不受制于红外技术的两点对线限制。
    那么蓝牙是如何工作的呢?
    蓝牙设备是在特定的操作范围内相互寻找的。和接线设备不同,蓝牙设备无须事先知道待联设备的能力或性质。蓝牙设备的内置机制可以使每种设备在接入新的蓝牙网络时亮明自己的身份和能力。这种动态网络倒是有一种控制设备,可以把自己指派为联网中的主设备。它的编程和适合特定任务需要方面的能力是其能否成为主设备的决定因素。例如,一部手机如果连上耳机、自动取款机或问讯台,就可以作为主设备。但问讯台如果作为广播紧急疏散信息的主设备,那部手机或耳机就得作为从设备了。手机和问讯台可以按照所需的功能和编程能力作主设备或从设备。
    解析： 暂无解析

  • 第10题：

    多选题
    Which two statements are true regarding proxy ARP？（）
    A

    Proxy ARP is enabled by default.

    B

    Proxy ARP is not enabled by default.

    C

    JUNOS security devices can forward ARP requests to a remote device when proxy ARP is enabled.

    D

    JUNOS security devices can reply to ARP requests intended for a remote device when proxy ARP is enabled


    正确答案： D,B
    解析： 暂无解析

  • 第11题：

    多选题
    In which two locations in an enterprise network can an IPS sensor be placed?（）
    A

    bridging VLANs on two switches

    B

    bridging two VLANs on one switch

    C

    between two Layer 2 devices withtrunking

    D

    between two Layer 2 devices withouttrunking

    E

    between a Layer 2 device and a Layer 3 device withtrunking


    正确答案： D,E
    解析： 暂无解析

  • 第12题：

    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?（）
    A

    Include-master-info

    B

    Master-binlog

    C

    Include-log-file

    D

    Master-data


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Bluetooth is a universal radio interface in the(71)frequency hand that enables portable electronic devices to connect and communicate wirelessly via short-range, ad hoc networks. Each unit can simultaneously communicate with up to(72)other units per piconet. Moreover, each unit can simultaneously(73)to several piconets. Eliminates the need for wires, cables and connectors for and between cordless or mobile phones, modems, headsets, PDAs, Computers, printers, projectors, local area networks, and so on, and paves the way for new and completely different devices and applications. Technology Characteristics(74)symbol rate exploits maximum available(75)bandwidth。

    A．1.95GHz

    B．2.45GHz

    C．4.45GHz

    D．11.45GHz


    正确答案：B

  • 第14题：

    如果在主板的一个IDE插口上同时接上硬盘和光驱,硬盘应该设置

    A.Master Slave

    B.Master Master

    C.Slave Master

    D.Slave Slave


    参考答案：A

  • 第15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16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17题：

    The proper safety guidelines for handling any device specific consumables can be found in which of the following documentation？（）

    • A、Material Safety Data Sheets
    • B、Installation Guides
    • C、Consumer Reports
    • D、Devices Parts Catalog

    正确答案:A

  • 第18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

    正确答案:D

  • 第19题：

    多选题
    You have a computer that runs Windows 7. The computer is joined to a domain. You need to ensure thatonly approved USB drives can be used on the computer.  Which two policy settings should you configure?(Each correct answer presents part of the solution.（）
    A

    Enable Prevent installation of removable devices.

    B

    Enable Prevent installation of devices not described by other policy settings.

    C

    Enable Prevent installation of devices that match any of these device IDs and enter the device ID for theapproved USB drives.

    D

    Enable Allow installation of devices that match any of these device IDs and enter the device ID for theapproved USB drives.


    正确答案： B,D
    解析： 暂无解析

  • 第20题：

    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?（）
    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


    正确答案： B,C
    解析： 暂无解析

  • 第21题：

    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= 1383

    B

    STOP SLAVE; CHANGE MASTER TO RELAY_LOG_FILE = 'hostname-relay-bin.00004', RELAY_LOG_POS = 1383

    C

    STOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; START SLAVE

    D

    STOP SLAVE; SET GLOBAL master_delay =0; START SLAVE


    正确答案： A
    解析： 暂无解析

  • 第22题：

    多选题
    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


    正确答案： C,A
    解析： 暂无解析

  • 第23题：

    单选题
    Which statement is true regarding proxy ARP？（）
    A

    Proxy ARP is enabled by default on stand-alone JUNOS security devices.

    B

    Proxy ARP is enabled by default on chassis clusters.

    C

    JUNOS security devices can forward ARP requests to a remote device when proxy ARP is enabled.

    D

    JUNOS security devices can reply to ARP requests intended for a remote device when proxy ARP is enabled


    正确答案： A
    解析： 暂无解析

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