更多“The two goals of an operation system are( )and efficiency.A.convenienceB.quickC.optimizeD.standardize”相关问题
  • 第1题:

    The operation of paralleling two alternators requires the voltages to be _____ and also in phase

    A.zero

    B.eliminated

    C.different

    D.equal


    正确答案:D

  • 第2题:

    To establish the evaluation index system of evaluation of students' all-round development must include__________ .

    A.subject learning goals
    B.general development goals
    C.subject learning goals and general development goals
    D.emotional goals

    答案:C
    解析:
    考查学生评价内容。建立评价学生全面发展的评价指标体系必须包括学科学习目标和一般性发展目标。故C正确。

  • 第3题:

    There are three kinds of goals: short-term,medium-range and long-term goals. Short-range goals are those that usually deal with current activities,which we can apply on a daily basis.Such goals can be achieved in a week or less,or two weeks,or possible months.It should be remembered that just as a building is no stronger than its foundation ,out long-term goals cannot amount to very munch without the achievement of solid short-term goals.Upon completing our short-term goals,we should date the occasion and then add new short-term goals that will build on those that have been completed.
    The intermediate goals bukld on the foundation of the short-range goals.They might deal with just one term of school or the entire school year,or they could even extend for several years.Any time you move a step at a time,you should never allow yourself to become discouraged or overwhelmed. As you complete each step,you will enforce the belief in your ability to grow adn succeed.And as your list of completion dates grow,your motivation and desire will increase.
    Long-range goals may be related to our dreams of the future. They might cover five years or more. Life is not a static thing.We should never allow a long-term goal to limit us or our course of action.
    New short-term goals are bulid upon___.

    A.two years B.long-term goals
    C.current activities D.the goals that have been completed

    答案:D
    解析:

  • 第4题:

    A corrupted file system is now repaired and back in use. Some, but not all of the files within the file  systems have been deleted. The only backup of this file system is a month-old tar archive. This archive will need to be restored as root.  Which two statements correctly describe the effects of the restore operation?()

    • A、 Files found in the file system that are also on tape will NOT be overwritten.
    • B、 The missing files, present on the backup tape, are restored to the file system with the data as it was when the backup was taken.
    • C、 The access times are preserved by tar and will reflect the time when a user last accessed the data.
    • D、 The modification time on the files restored by tar will be preserved and will reflect the time the file was last modified before the backup, NOT the time of the restore operation.

    正确答案:B,D

  • 第5题:

    When using IP SLA FTP operation, which two FTP modes are supported? ()

    • A、Only the FTP PUT operation type is supported.
    • B、Active mode is supported.
    • C、Passive FTP transfer modes are supported.
    • D、FTP URL specified for the FTP GET operation is not supported.

    正确答案:B,C

  • 第6题:

    Two data files have been deleted at the operating system level by accident. Your database is running in ARCHIVELOG mode and online backups are taken nightly. One of the data files that has been deleted belongs to the USERS tablespace on the other belongs to the SYSTEM tablespace. How can you recover from this situation?()

    • A、Shut down the database, restore the two data files and then start up the database. 
    • B、Take the system and users tablespace offline, restore the two data files, recover the two datafiles, and then bring the SYSTEM and USERS tablespaces online. 
    • C、Shut down the database, restore the two data files, start up the database in MOUNT mode, recover the two data files, and then alter the database open. 
    • D、Take the SYSTEM and USERS tablespaces offline, recover the two datafiles and then bring the SYSTEM and USERS tablespaces online.

    正确答案:C

  • 第7题:

    The System Administrator wants to do a backup of the HMC and notices that there are two options on the HMC menu: Backup Critical Console data and Save Upgrade Data. Which of the following best describes the differences between the two options?()

    • A、Both options back up user and partition profile data. Only the Backup Critical Console Data backs up TCP/IP settings or preferences
    • B、Both options back up partition profile information. Only the Backup Critical Console Data backs up service function settings, such as Inventory Scout, Service Agent, and Service Focal Point
    • C、The Backup Critical Console Data should be performed just before the HMC software update operation. The Save Upgrade Data should be performed each time configuration changes are made to the system or the HMC
    • D、The Save Upgrade Data should be performed just before the HMC software update operation. The Backup Critical Console Data should be performed each time configuration changes are made to the system or the HMC

    正确答案:D

  • 第8题:

    单选题
    Large, two-stroke/cycle, main propulsion, diesel engine cylinders can be successfully pressure charged during normal operation, by using the ().
    A

    exhaust gas temperature system

    B

    exhaust load system

    C

    constant or pulse pressure system

    D

    constant volume system


    正确答案: B
    解析: 暂无解析

  • 第9题:

    多选题
    A corrupted file system is now repaired and back in use. Some, but not all of the files within the file  systems have been deleted. The only backup of this file system is a month-old tar archive. This archive will need to be restored as root.  Which two statements correctly describe the effects of the restore operation?()
    A

    Files found in the file system that are also on tape will NOT be overwritten.

    B

    The missing files, present on the backup tape, are restored to the file system with the data as it was when the backup was taken.

    C

    The access times are preserved by tar and will reflect the time when a user last accessed the data.

    D

    The modification time on the files restored by tar will be preserved and will reflect the time the file was last modified before the backup, NOT the time of the restore operation.


    正确答案: C,B
    解析: 暂无解析

  • 第10题:

    单选题
    The mechanical exhaust valve operation system is replaced by()in an electronic controlled ME engine.
    A

    a system with a Hydraulic Power Supply (HPS) unit

    B

    a system with roller guides for exhaust valves

    C

    a system with an electronically controlled Alpha Lubricator

    D

    a system directly powered by electric motor


    正确答案: A
    解析: 暂无解析

  • 第11题:

    The operation of _______two alternators requires the voltages to be equal and also in phase

    A.paralleling

    B.series-mounting

    C.running

    D.controlling


    正确答案:A

  • 第12题:

    ( )is not included in the main contents of the operation and maintenance of the information system.

    A.Daily operation and maintenance
    B.System change
    C.Security management
    D.Business change

    答案:D
    解析:
    翻译:业务变更不属于信息系统的操作和维护的主要内容。A.日常操作维护 B.系统变更 C.安全管理 D.业务变更

  • 第13题:

    Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies? (Choose two.)()

    • A、copier
    • B、microwave oven
    • C、toaster
    • D、cordless phone
    • E、IP phone
    • F、AM radio

    正确答案:B,D

  • 第14题:

    Deep-fat cooking equipment shall be fitted with the following:()

    • A、An automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the Organization
    • B、Controls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crew
    • C、Arrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing system
    • D、an alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed

    正确答案:A,B,C,D

  • 第15题:

    Which describes the operation required to move to anew release level of system firmware?()

    • A、Deferred
    • B、Transient
    • C、Concurrent
    • D、Disruptive

    正确答案:D

  • 第16题:

    DOS是()的缩写。

    • A、Disk operation System
    • B、Disk System
    • C、Dine Ctoryoperation System
    • D、Diskette Operate System

    正确答案:A

  • 第17题:

    单选题
    To establish the evaluation index system of evaluation of students’ all-round development must include _____.
    A

    subject learning goals

    B

    general development goals

    C

    subject learning goals & general development goals

    D

    emotional goals


    正确答案: A
    解析:
    建立评价学生全面发展的评价指标体系必须包括总体发展目标。

  • 第18题:

    多选题
    Deep-fat cooking equipment shall be fitted with the following:()
    A

    An automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the Organization

    B

    Controls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crew

    C

    Arrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing system

    D

    an alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed


    正确答案: D,C
    解析: 暂无解析

  • 第19题:

    单选题
    Faulty operation of any system is indicated by very definite ().
    A

    symptoms

    B

    samples

    C

    traces

    D

    tracks


    正确答案: B
    解析: 暂无解析

  • 第20题:

    多选题
    Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies (Choose two.)()。
    A

    copier

    B

    microwave oven

    C

    toaster

    D

    cordless phone

    E

    IP phone

    F

    AM radio


    正确答案: D,B
    解析: 暂无解析