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The data travels from the ______ to the INMARSAT Network Coordination Station（NCS）and then down to the SES's on ships at sea．A.VHFB.SARTC.NAVTEXD.LES

题目

The data travels from the ______ to the INMARSAT Network Coordination Station（NCS）and then down to the SES's on ships at sea．

A.VHF

B.SART

C.NAVTEX

D.LES

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1.All traffic, be it e-mail or streaming video, travels via a method called packet switching, (97)parcels out digital data into small chunks, or packets, and sends them over a network shared bycountless users.A.soB.whichC.andD.who

2.The data station usually means a(71)unit that provides data for transmission, that accepts transmitted data, and that performs all functions necessary for communication with another functional unit. Data stations may be divided into two kinds, the primary stations and the secondary stations, (72)control functions.In(73)data link control, the primary station is the data station that supports the primary control functions of the data link, generates commands to be transmitted, and interprets received responses. Specific responsibilities assigned to the primary station include initialization of control signal interchange, organization of data flow and actions regarding error control and error recovery functions. The secondary station executes data link control functions as (74)by the primary station, interprets received commands and (75) responses to be transmitted.A．performanceB．functionalC．capacityD．quality

3.Both bus and tree topologies are characterized by the use of multipoint (71) ．For the bus，all stations attach，through appropriate hardware (72) known as a tap，directly to a linear transmission medium，or bus．Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the (73) ．A transmission from any station propagates the length of the medium in both directions and can be received by all other (74) ．At each end of the bus is a (75) ，which absorbs any signal，removing it from the bus．（71）A．mediumB．connectionC．tokenD．resource

4.INMARSAT£­C船站的启用试验(PVT或LINKTEST)()。A、由所在洋区的NCS执行B、由INMARSAT指定的NCS执行C、由船籍国的岸站执行D、由所在洋区NCS指定的岸站执行

更多“The data travels from the ______ to the INMARSAT Network Coordination Station(NCS)and then ”相关问题

  • 第1题：

    You are the administrator of a Windows 2000 network. The network includes a Windows 2000 Server computer that is used as a file server. More than 800 of Ezonexam.com's client computers are connected to this server.

    A shared folder named Data on the server is on an NTFS partition. The data folder contains more than 200 files. The permissions for the data folder are shown in the following table.

    Type of permission Account Permission

    Share Users Change

    NTFS Users Full Control

    You discover that users are connected to the Data folder. You have an immediate need to prevent 10 of the files in the Data folder from being modified. You want your actions to have the smallest possible effects on the users who are using other files on the server.

    What two actions should you take? (Choose Two)

    A．Modify the NTFS permissions for the 10 files.

    B．Modify the NTFS permissions for the Data folder.

    C．Modify the shared permissions for the Data folder.

    D．Log off the users from the network.

    E．Disconnect the users from the Data folder.


    正确答案：AE
    解析：Explanation: In this scenario our guideline would be to cause the network users as little disruption as possible. We would do this by only modifying the NTFS permissions on the 10 specific files. Then all users must be disconnected from the Data folder.

    Incorrect answers:
    B: Permissions only need to be changed on the files, not on the whole folder.

    C: Permissions only need to be changed on the files, not on the whole folder.

    D: It is not necessary to log off the users from the network. They only have to be disconnected from the folder.

  • 第2题：

    Inmarsat-C移动站的启用试验_____。

    A.由所在洋区的NCS执行

    B.由Inmarsat指定的NCS执行

    C.由所在洋区的某一LES执行

    D.由船籍国的LES执行


    正确答案：A

  • 第3题：

    Inmarsat—F系统中，印度洋区的备用NCS是（）。

    • A、B、新加坡的圣陶沙（SENTOS

    正确答案:C

  • 第4题：

    在Inmarsat系统中地面站包括（）部分。

    • A、Inmarsat卫星、TT&C、SCC
    • B、NCS、NOC、LES/CES
    • C、EPIRB、极轨道卫星、地面站
    • D、DSC、SSB、NBDP

    正确答案:B

  • 第5题：

    INMARSAT-B船站电话信道的分配方式是（）

    • A、向所在洋区的NCS申请并由NCS分配
    • B、向所在洋区的CES申请并由NCS分配
    • C、向所在洋区的NCS申请并由所选CES分配
    • D、向所选CES申请并由CES分配

    正确答案:B

  • 第6题：

    通过inmarsat船站进通信时，其工作频率是由（）

    • A、人工设置、人工转换
    • B、人工设置、自动转换
    • C、CES/ncs分配、人工转换
    • D、CES/ncs分配、自动转换

    正确答案:D

  • 第7题：

    What are three purposes of the RMAN “FROM” clause?（）

    • A、to support PUSH-based active database duplication
    • B、to support synchronization of a standby database with the primary database in a Data environment
    • C、To support PULL-based active database duplication
    • D、To support file restores over the network in a Data Guard environment
    • E、To support file recovery over the network in a Data Guard environment

    正确答案:B,C,E

  • 第8题：

    You have a computer that runs Windows 7. The computer contains a folder named C:/data. You use Advanced Sharing to share C:/data by using the default share permissions. When a user tries to access theshare over the network, he gets an Access is Denied error message. You need to ensure that the user canaccess the share.  What should you do?（）

    • A、Allow file and printer sharing through Windows Firewall.
    • B、Change the network location from a Public network to a Home or Work network.
    • C、From the Security settings of the folder， assign the user the Read NTFS permission.
    • D、From the Advanced Sharing settings of the folder， assign the user the Read share permission.

    正确答案:C

  • 第9题：

    单选题
    Inmarsat-C船站的启用测试（）。
    A

    由所在洋区的NCS执行

    B

    由INMARSAT指定的NCS执行

    C

    由所在洋区的NCS指定的岸站执行

    D

    由船籍国的岸站执行


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    The NCS of INMARSAT-A system in the AOR-E is in（）.
    A

    Goonhilly, UK

    B

    Yamaguchi, Japan

    C

    Perth, Australia

    D

    Southbury, USA


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    To establish a communication channel for the telex service in the INMARSAT-Aterminal, you should first（）.
    A

    establish a communication channel from the CES, via the International Telex Network to the final destination

    B

    set up a communication channel from your SES, via a satellite, to a CES within your ocean region

    C

    set up a channel directly to the addressee at the destination

    D

    establish a channel from your terminal , via the International Telex Network to a CES within your ocean region


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    The NCS of INMARSAT-A system in the IOR is in（）.
    A

    Goonhilly, UK

    B

    Yamaguchi, Japan

    C

    Perth, Australia

    D

    Southbury, USA


    正确答案： D
    解析： 暂无解析

  • 第13题：

    A local-area network(LAN)is a communications network that(125)a variety of devices and provides a(126)for information exchange among those devices. The scope of the LAN is small typically a single building or a cluster(丛)of buildings. The LAN is usually owned by the same organization that owns the(127)devices. The internal data rate of LAN is at least several Mb/s.The basic of LAN communication is broadcasting. At each station, there is a transmitter/receiver that communicates over a(128)shared, By other stations. A transmission from any one station is(129)to and received by all other stations.

    A．broadcast

    B．cable

    C．control

    D．interconnects

    E．internet


    正确答案：D

  • 第14题：

    INMARSAT-C系统中，在二个以上INMARSAT卫星覆盖的洋区，定时播发的海上安全信息是（）

    • A、由一个指定的洋区的NCS播发
    • B、由覆盖该海区的所有洋区的NCS播发
    • C、由覆盖该海区的所有洋区的NCS轮流播发
    • D、由位于该海区的岸站播发

    正确答案:A

  • 第15题：

    Inmarsat系统中，新加坡岸站兼作（）卫星覆盖区的NCS。

    • A、Inmarsat-B系统的POR
    • B、Inmarsat-C系统的POR
    • C、Inmarsat-B系统的IOR
    • D、Inmarsat-C系统的IOR

    正确答案:D

  • 第16题：

    在Inmarsat系统中空间段包括（）部分。

    • A、Inmarsat卫星、TT&、SCC
    • B、NCS、NOC、LES/CES
    • C、EPIRB、极轨道卫星、地面站
    • D、DSC、SSB、NBDP

    正确答案:A

  • 第17题：

    Inmarsat-C移动站的启用试验（）。

    • A、由所在洋区的NCS执行
    • B、由Inmarsat指定的NCS执行
    • C、由所在洋区的某一LES执行
    • D、由船籍国的LES执行

    正确答案:A

  • 第18题：

    INMARSAT-C MES的（）向NCS申请。

    • A、PVT或LINK TEST
    • B、报文发送
    • C、polling
    • D、A和C

    正确答案:A

  • 第19题：

    You are the network administrator for ExamSheet.net.  You install Windows 2000 Professional on your portable computer. You use a docking station for your portable computer when you are in the office. You install a ISA-based network adapter in your docking station. You insert your computer into the docking station and start the computer. The network adapter is not detected during the startup process. You obtain a disk that contains the supported driver from the network adapter manufacturer. You want to allow Windows 2000 Professional to use the network adapter. What should you do?（）

    • A、Restart the computer in the docking station.
    • B、Run the Add/Remove Hardware wizard.
    • C、Use Device Manager to scan for hardware changes.
    • D、Copy the network adapter driver to the Winnt/Driver Cache/i386 folder.
    • E、Install the new network adapter driver.

    正确答案:B,E

  • 第20题：

    单选题
    通过inmarsat船站进通信时，其工作频率是由（）
    A

    人工设置、人工转换

    B

    人工设置、自动转换

    C

    CES/ncs分配、人工转换

    D

    CES/ncs分配、自动转换


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    INMARSAT-C船站的启用试验（PVT或LINKTEST）（）.
    A

    由所在洋区的NCS执行

    B

    由INMARSAT指定的NCS执行

    C

    由船籍国的岸站执行

    D

    由所在洋区NCS指定的岸站执行


    正确答案： A
    解析： 暂无解析

  • 第22题：

    多选题
    What are three purposes of the RMAN “FROM” clause?（）
    A

    to support PUSH-based active database duplication

    B

    to support synchronization of a standby database with the primary database in a Data environment

    C

    To support PULL-based active database duplication

    D

    To support file restores over the network in a Data Guard environment

    E

    To support file recovery over the network in a Data Guard environment


    正确答案： A,C
    解析： 暂无解析

  • 第23题：

    单选题
    The Network Coordination Station for the INMARSAT-A coast stations in the Pacific ocean region is in（）.
    A

    Yamaguchi, Japan

    B

    Beijing, China

    C

    Nakhodka, Russia

    D

    Perth, Australia


    正确答案： C
    解析： 暂无解析

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