A real-time operating system.（RTOS）is an operating system intended to serve（ ）application process data as it comes in,typically without buffering delays.A key（ ）of a RTOS is the level of its consistency concerning the amount of time it takes to accept and

题目
A real-time operating system.（RTOS）is an operating system intended to serve（ ）application process data as it comes in,typically without buffering delays.A key（ ）of a RTOS is the level of its consistency concerning the amount of time it takes to accept and complete an application’s task;the variability is jitter.A hard real-time operating system has（ ）jitter than a soft real-time operating system.The chief design goal is not high throughput,but rather a guarantee of a soft or hard performance category.A RTOS has an advanced algorithm for scheduling.（请作答此空）flexibility enables a wider,computer-system orchestration of process priorities,but a real-time OS is more frequently dedicated to a narrow set of applications.Key factors in a real-time OS are minimal（ ）latency and minimal thread switching latency.

A.Scheduler
B.Programming
C.Network
D.User
相似考题

1.Windows is a GUI－based operating system.()此题为判断题(对，错)。

2.Only in this way ____ to make improvements in the operating system.A.you can hopeB.you did hopeC.can you hope

3.Which two statements about Oracle Direct Network File System (NFS) are true?()A. It bypasses the OS file system cache.B. A separate NFS interface is required for use across Linux, UNIX, and Windows platforms.C. It uses the operating system kernel NFS layer for user tasks and network communication modules.D. File systems need not be mounted by the kernel NFS system when being served through Direct NFS.E. Oracle Disk Manager can manage NFS on its own, without using the operating system kernel NFS driver.

4.从供选择的答案中选出应填入英语文句中()的正确的答案。Software products may be (A) into four basic types: application programs, programming language processors, operating systems, and system utilities.Application programs are programs that (B) useful tasks such as solving statistical problems, or keeping your company's books.Programming language processors are programs that (C) the use if a computer language in a computer system. They are tools for the development of application programs.Operating systems are programs that (D) the system resources and enable you to run application programs.System utilities are special programs that (E) the usefulness of or add capabilities to a computer.A～E: ① manage ② perform ③ support ④ reduce⑤ divided ⑥ enhance ⑦ implemented ⑧ introduce⑨ ranked ⑩ run

更多“A real-time operating system.（RTOS）is an operating system intended to serve（ ）application process data as it comes in,typically without buffering delays.A key（ ）of a RTOS is the level of its consiste”相关问题

  • 第1题：

    For users, microkernel technology promises(90), compact and sophisticated operating systems that are typically(91)across a range of hardware platforms. These operating systems will be customizable to let users run multiple operating system and application "personalities" on top of a single microkernel(92).Microkernel based systems can provide this flexibility because the core operating system functions are(93)from the large number of utilities, features and extensions that are layered on top of them. As a result, updating and maintaining operating system is easier, since developers don't have to modify the(94)every time they must acid a new feature.

    A．slow

    B．fast

    C．quickly

    D．speed


    正确答案：B

  • 第2题：

    Which component of VPN technology ensures that data can be read only by its intended recipient?()

    A. data integrity

    B. encryption

    C. key exchange

    D. authentication


    参考答案：D

  • 第3题：

    ● (73) manages the other components of a computer system.

    (73)A．Bus

    B．Application system

    C．Operating system

    D．Disk


    正确答案：C

  • 第4题：

    A real-time operating system.（RTOS）is an operating system intended to serve（ ）application process data as it comes in,typically without buffering delays.A key（请作答此空）of a RTOS is the level of its consistency concerning the amount of time it takes to accept and complete an application’s task;the variability is jitter.A hard real-time operating system has（ ）jitter than a soft real-time operating system.The chief design goal is not high throughput,but rather a guarantee of a soft or hard performance category.A RTOS has an advanced algorithm for scheduling.（ ）flexibility enables a wider,computer-system orchestration of process priorities,but a real-time OS is more frequently dedicated to a narrow set of applications.Key factors in a real-time OS are minimal（ ）latency and minimal thread switching latency.

    A.characteristic
    B.programming
    C.structure
    D.computer

    答案：A
    解析：

  • 第5题：

    Which is a license scope option when managing activations for an IBM System Storage DS8100using the IBM Disk Storage Feature Activation (DSFA) application?（）

    • A、Operating environment
    • B、Parallel access volumes
    • C、Point-in-time copy
    • D、Count Key Data

    正确答案:D

  • 第6题：

    Which component of VPN technology ensures that data can be read only by its intended recipient?（）

    • A、data integrity
    • B、encryption
    • C、key exchange
    • D、authentication

    正确答案:D

  • 第7题：

    A system administrator completed an upgrade of the maintenance level of their AIX system. Which of the following commands should be run to verify that the operating system is in a consistent state？（）

    • A、instfix -i
    • B、lslpp -l
    • C、lppchk -v
    • D、oslevel -r

    正确答案:C

  • 第8题：

    Which statement is true regarding the Junos OS?（）

    • A、The Junos kernel is based on the Solaris operating system.
    • B、The Junos kernel is based on the GNU Zebra operating system.
    • C、The Junos kernel is completely original and not based on any other operating system.
    • D、The Junos kernel is based on the FreeBSD UNIX operating system.

    正确答案:D

  • 第9题：

    单选题
    A server is having problems booting into the operating system.  Which of the following can provide important information to begin to trouble shoot the cause？（）
    A

     System logs

    B

     Firmware updates

    C

     POST messages

    D

     Application logs


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    You install the Web Server （IIS） role on a new server that runs Windows Server 2008.  You install a Microsoft .NET Framework 1.0 application on a Web site on the Web server. The company security policy states that all applications must run by using the minimum level of permission.  You need to configure the Web site application so that it has the permissions to execute without creating any other content and without accessing any operating system components. What should you do？（）
    A

    Set the .NET Framework trust level to Full for the Web site.

    B

    Set the .NET Framework trust level to Low for the Web site.

    C

    Set the .NET Framework trust level to High for the Web site.

    D

    Set the .NET Framework trust level to Medium for the Web site.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Which of the following BEST describes the initial process of setting up a new operating system from a CD-ROM? （）
    A

    Format a partition, install device drivers, and install the operating system.

    B

    Create a partition, format the partition, and install the operating system.

    C

    Install the operating system, create a partition, and install device drivers.

    D

    Install the operating system, install device drivers, and create a partition.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    多选题
    You deploy a mobile messaging solution with Microsoft Exchange Server 2003 Service Pack 2.   When the application is running， it must not be able to access protected registry keys.   You need to ensure that the application meets the outlined requirement. What are two possible ways to achieve this goal？（）
    A

    Use Microsoft Windows Mobile 5.0 Pocket PC Phone Edition operating system.

    B

    Use Microsoft Windows Mobile 2003 for Pocket PC operating system.

    C

    Use Microsoft Windows Mobile 5.0 for Smartphone operating system.

    D

    Use Microsoft Windows Mobile 2003 for Smartphone operating system.


    正确答案： C,A
    解析： 暂无解析

  • 第13题：

    Software products may be (1)into four basic types: application programs, programming language processors, operating systems, and system utilities.

    Application programs are programs that (2) useful tasks such as solving statistical problems, or keeping your company's books.

    Programming language processors are programs that (3) the use if a computer language in a computer system. They are tools for the development of application programs.

    Operation systems are programs that (4) the system resources and enable you to run application programs.

    System utilities are special programs that (5) the usefulness of or add capabilities to a computer.

    A．manage

    B．perform

    C．support

    D．reduce

    E．divided


    正确答案：E

  • 第14题：

    ●A disk scheduling mechanism in an operating system causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is a （） :（）A. First Come First Serve B. Shortest Seek Tn-ne FirstC. Scan D. None of the above


    正确答案：C
    磁盘调度机制引起磁盘臂后掠，要求磁盘表面来搜寻所有服务。这是。。。

  • 第15题：

    ()is a dedicated storage network that provides access to consolidated,block level storage.It is primarily used to mark storage devices accessible to servers so that the devices appear as locally attached to the operating system.


    A.network-attached storage
    B.storage area network
    C.direct attached storage
    D.computer cluster


    答案：B
    解析：
    翻译：存储区域网络是一个专用的存储网络，提供整理过的模块化的存储。它主要用来提供在本地计算机与存储系统之间的数据传输。

  • 第16题：

    A server is having problems booting into the operating system. Which of the following can provide important information to begin to troubleshoot the cause?（）

    • A、System logs
    • B、Firmware updates
    • C、POST messages
    • D、Application logs

    正确答案:C

  • 第17题：

    A customer has multiple application servers which create one process for each connected user.  All users share the same AIX environment. What is a benefit of using WPARs in this environment？（）

    • A、WPARs give more controls for resource management than the traditional AIX operating system tools.
    • B、WPARs support Live Application Mobility which can be used to balance user processes acrosssystems.
    • C、WPARs each have a copy of the AIX kernel， offering better availability than a system without WPARs.
    • D、WPARs provide the ability to apply fixes specific for each environment， enabling the customer to create specialized application servers.

    正确答案:B

  • 第18题：

    A server is having problems booting into the operating system.  Which of the following can provide important information to begin to trouble shoot the cause？（）

    • A、 System logs
    • B、 Firmware updates
    • C、 POST messages
    • D、 Application logs

    正确答案:C

  • 第19题：

    A customer asked a consultant to create the infrastructure for an application.  The application is designed to charge customers for conferencing services based on usage.  To determine if a Storage Area Network （SAN） is the best storage solution， which of the following questions is most appropriate？（）

    • A、Will the application require a database？
    • B、Which operating system does the application require？
    • C、Will the data need to be backed up in real time？
    • D、Does the application share data among the servers？

    正确答案:D

  • 第20题：

    单选题
    A customer asked a consultant to create the infrastructure for an application.  The application is designed to charge customers for conferencing services based on usage.  To determine if a Storage Area Network （SAN） is the best storage solution， which of the following questions is most appropriate？（）
    A

    Will the application require a database？

    B

    Which operating system does the application require？

    C

    Will the data need to be backed up in real time？

    D

    Does the application share data among the servers？


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    Which statement is true regarding the Junos OS?（）
    A

    The Junos kernel is based on the Solaris operating system.

    B

    The Junos kernel is based on the GNU Zebra operating system.

    C

    The Junos kernel is completely original and not based on any other operating system.

    D

    The Junos kernel is based on the FreeBSD UNIX operating system.


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Your company decided to start using RMAN in its backup strategy. Previously your company used operating system file copies. Which command is used to make RMAN aware of existing backups made by copying files at the operating system？（）
    A

    CHANGE

    B

    RESYNC

    C

    CATALOG

    D

    CROSSCHECK


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    You issue this SQL statement：  ALTER DATABASE RENAME FILE ’/ORADATA/u02/user_data01.dbf’ TO ’/ORADATA/u04/user_data01.dbf’；  What does this SQL statement do？（）
    A

    It updates the control file with the new location of the data file. 

    B

    It updates only the data dictionary with the new location of the data file. 

    C

    It changes the location of the user_data01.dbf file in the operating system. 

    D

    It changes the location of the user_data01.dbf file in the operating system and updates the control file with the new location of the data file.


    正确答案： B
    解析： 暂无解析

  • 第24题：

    多选题
    The current time zone for one of the user sessions is set to the database local time zone. For one application， the user session requires the time zone to be set to the local operating system time zone without affecting other user sessions. Which two solutions could the user implement to achieve this objective？ （）
    A

    use the ALTER SYSTEM command to change the time zone

    B

    use the ALTER SESSION command to change the time zone

    C

    use the ALTER DATABASE command to change the time zone

    D

    set the value for the operating system variable ORA_SDTZ on the client machine

    E

    set the value for the operating system variable ORA_SDTZ on the database server machine


    正确答案： E,D
    解析： 暂无解析

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