单选题When is it advisable to dump the waste toner from a technicians service vacuum？（）A When it is full.B It is not recommended.C Before performing preventative maintenance.D After each call.

题目
单选题
When is it advisable to dump the waste toner from a technicians service vacuum？（）
A

When it is full.

B

It is not recommended.

C

Before performing preventative maintenance.

D

After each call.

相似考题

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2.When Mr. Westhusin says “... cloning is dangerous,” he implies that _____.［A］ lab technicians may be affected by chemicals［B］ cats and dogs in the lab may die of diseases［C］ experiments may waste lots of lives［D］ cloned animals could outlive the natural ones

3.When did Lisa become conscious again?A. When the train was leaving.B. After she was back on the platform.C. After the police and fire officials came.D. When a man was cleaning the blood from her head.

4.Scientists say it may be five or ten years _____ it is possible to test this medicine on human patients.(A) since (C) after(B) before (D) when

更多“单选题When is it advisable to dump the waste toner from a technicians service vacuum？（）A When it is full.B It is not recommended.C Before performing preventative maintenance.D After each call.”相关问题

  • 第1题：

    27． Ann-s mother died ____________ ．

    A． before she was born

    B． after she was born

    C． when she grew up

    D． when her sister was born


    正确答案：B
    27．B【解析】见文章第四句“His wife died after his on- ly daugher was born"可知此处的his only daughter 就是Ann。Ann的母亲在她出生后就死了。

  • 第2题：

    It′ s a long time __________ I saw youlast.
    --Yes, and what a pity! It will be a longtime __________ we see each other again.

    A.since; before
    B.when; since
    C.before; when
    D.before; since

    答案：A
    解析：
    考查连词：①It+is／has been+一段时间+since(自从……起)+sb．／sth．did；．②It+was／will be+一段时间+before(多久之后才)+sb．／sth．did／do；③时间状语从句：It+was+具体钟点+when(当……时)+ sb．／sth．did；④强调结构：It+was+介词+具体钟点+that+sb．／sth．did。句意为“——自从上次见你，已经有很长一段时间了。——是的，遗憾的是，还要很长一段时间我们才能再相见。”

  • 第3题：

    When do sailors make the ship fast? （）

    • A、When a ship is unmooring.
    • B、After a ship is in position alongside a wharf.
    • C、Before a ship is loading.
    • D、A and C

    正确答案:B

  • 第4题：

    Scheduled preventative maintenance visits should be carried out：（）

    • A、after two unplanned service calls.
    • B、according to manufacturers specifications.
    • C、when the device is becoming unreliable.
    • D、every sixty days.

    正确答案:B

  • 第5题：

    Moving data is one of the most common causes of planned downtime. For which of the followingpurposes might the data migration function of the SAN Volume Controller be used？（）

    • A、when replacing an SVC node due to a failure
    • B、when migrating from a Windows OS to a Linux OS
    • C、when replacing older storage with newer storage
    • D、when performing a firmware upgrade on the SVC console

    正确答案:C

  • 第6题：

    When is it advisable to dump the waste toner from a technicians service vacuum？（）

    • A、When it is full.
    • B、It is not recommended.
    • C、Before performing preventative maintenance.
    • D、After each call.

    正确答案:B

  • 第7题：

    Which of the following problems has occurred when a message appears on the system console indicating that a dump must be copied to external media? （）

    • A、 The external dump device is full. 
    • B、 The dump device was not mirrored before the dump happened. 
    • C、 The boot failed while copying the dump from paging space to a file. 
    • D、 The dump device was not set to a paging device before the dump happened. 

    正确答案:C

  • 第8题：

    You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g: 1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade. 2. Load these plans from the STS into the SQL plan baseline immediately after the upgrade. What is the reason for performing these activities? （）

    • A、to minimize plan regression due to the use of a new optimizer version
    • B、to completely avoid the use of new plans generated by a new optimizer version
    • C、to prevent plan capturing when the SQL statement is executed after the database upgrade
    • D、to keep the plan in the plan history so that it can be used when the older version of the optimizer is used

    正确答案:A

  • 第9题：

    单选题
    When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.
    A

    prevent the towboat from sliding when the rudder is moved

    B

    prevent the barges from spreading out when backing down

    C

    hold the towboat securely to the barges

    D

    prevent the sidewise movement of the face barges


    正确答案： A
    解析： 暂无解析

  • 第10题：

    判断题
    As per UCP600, the words “to”, “till”, “from”, “between” when used to determine a period of shipment include the date or dates mentioned, the words “before” and “after” exclude the date mentioned. （）
    A

    对

    B

    错


    正确答案： 错
    解析： 暂无解析

  • 第11题：

    单选题
    You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g: 1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade. 2. Load these plans from the STS into the SQL plan baseline immediately after the upgrade. What is the reason for performing these activities? （）
    A

    to minimize plan regression due to the use of a new optimizer version

    B

    to completely avoid the use of new plans generated by a new optimizer version

    C

    to prevent plan capturing when the SQL statement is executed after the database upgrade

    D

    to keep the plan in the plan history so that it can be used when the older version of the optimizer is used


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following problems has occurred when a menu appears and prompts the user to "copy a dump to external media?（）
    A

     The external dump device is full. 

    B

     The dump device was set to /dev/hd7 before the dump happened. 

    C

     The boot failed while copying the dump from paging space to a file. 

    D

     The dump device was not set to a paging device before the dump happened.


    正确答案： C
    解析： 暂无解析

  • 第13题：

    In launching a lifeboat, when should the tricing pendants be released?______.

    A.Before the boat is lowered from the stowage position

    B.As soon as the boat-fall blocks clear the davit head

    C.After the limit switch is activated

    D.After all people have been embarked


    正确答案：D
    在施放救生艇过程中，什么时候控制索应被解开？在所有人员登船以后

  • 第14题：

    A) when B) if C) after D) before


    答案：A
    解析：

  • 第15题：

    When will the primary processor core dump run in case of a switchover？（）

    • A、never takes place
    • B、periodically
    • C、during switchover
    • D、after switchover
    • E、before switchover

    正确答案:D

  • 第16题：

    Which of the following problems has occurred when a menu appears and prompts the user to "copy a dump to external media?（）

    • A、 The external dump device is full. 
    • B、 The dump device was set to /dev/hd7 before the dump happened. 
    • C、 The boot failed while copying the dump from paging space to a file. 
    • D、 The dump device was not set to a paging device before the dump happened.

    正确答案:C

  • 第17题：

    As per UCP600, the words “to”, “till”, “from”, “between” when used to determine a period of shipment include the date or dates mentioned, the words “before” and “after” exclude the date mentioned. （）


    正确答案:正确

  • 第18题：

    When installing a new PCIe network card, when should manufacturer software and drivers beinstalled?（）

    • A、Before inserting the PCIe network card in the case
    • B、After inserting the new PCIe network card in the case
    • C、They will be automatically loaded after installation
    • D、Load them concurrently with the PCIe network card

    正确答案:A

  • 第19题：

    For which two tasks would it be best NOT to use the utility SQL*Loader？（）

    • A、When loading selected rows into each table.
    • B、When loading data from an export dump file.
    • C、When loading data from disk， tape， or named pipes.
    • D、When your data is NOT being inserted from a flat file.
    • E、When using a record management system to access data files.

    正确答案:B,D

  • 第20题：

    You are the desktop administrator for your company. All client computers run Windows XP Professional. Currently, 10 of the computers in the graphics department contain two processors. You want to install a second processor in each of the remaining computers in the graphics department. You install a second processor in a test computer. When you start the computer, the start process begins normally and then terminates. You receive the following error message: "STOP: 0x00000079 HAL_MISMATCH." When you restart the computer, it stops again, and you receive the same error message. You remove the second processor, and the computer starts normally. When you attempt to install a second processor in a different test computer, the same STOP error occurs. You need to eliminate the error so that you can install the second processor on all of the computers. What should you do?（） 

    • A、Before you install the second processor, install the multiprocessor HAL on each computer. 
    • B、Before you install the second processor, configure the each computer's system BIOS for multiprocessor APM.
    • C、After you install the second processor, restart each computer by using the Recovery console, and copy the multiprocessor HAL files from the Windows XP Professional CD-ROM. 
    • D、After you install the second processor, start each computer in safe mode. Configure the SSDP Discovery Service startup parameter to Manual.

    正确答案:A

  • 第21题：

    单选题
    Which of the following problems has occurred when a message appears on the system console indicating that a dump must be copied to external media? （）
    A

     The external dump device is full. 

    B

     The dump device was not mirrored before the dump happened. 

    C

     The boot failed while copying the dump from paging space to a file. 

    D

     The dump device was not set to a paging device before the dump happened. 


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? （）
    A

    Draining it overboard when the vessel gets underway

    B

    Placing it in proper disposal facilities

    C

    Adding sinking agents and discharging it into the water

    D

    Mixing it with dispersants before draining it overboard


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    At which of the following times should the administrator refer to the HCL？（）
    A

     Prior to purchasing hardware

    B

     Before installation

    C

     When installing drivers

    D

     After installation


    正确答案： D
    解析： 暂无解析

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