Any employee working late on a Friday must remember to turn off all computer equip-ment __________ leaving for the night.A.thenB.untilC.beforeD.because

Any employee working late on a Friday must remember to turn off all computer equip-ment __________ leaving for the night.

A.then
B.until
C.before
D.because

参考解析

解析:“before”有“在……之前”的意思。

相关考题:

14. Don-t do any other things while you are doing your homework. So please_________your MP3.A. turn upB. turn downC. turn onD. turn off

Here is my MP3 player! It’s strange.I don’t remember leaving it here, but I ( )supposed so. A、should have doneB、need have doneC、must have doneD、can do

You look very tire You must ( ) to bed very late last night. A、have goneB、have been goneC、be goneD、be going

Remember you must never waste anything, but ( ) never waster time. A、as a matter of factB、after allC、above allD、most of all

All the mobile phones must before the meeting begins、A、turn offB、be turned offC、be turning off

A laser beam can completely destroy a cancerous growth without () any dangerous cells. A.leaving aloneB.leaving behindC.leaving outD.leaving off

which of the following actions will you not take before beginning installation or removal of anyNON-PNP hardware device inside the computer case?() A. Place all the hardware components in static proof bags.B. Remove all the jumpers from the motherboard.C. Switch off the main power and remove the power cordD. Use an anti-static wrist strap.E. Turn off the computer.F. Place the computer on the anti-static mat

Your company has a main office and a branch office. The network contains an Active Directory forest. All users on the network access the Internet from their computers. The company hires a temporary employee who has his own portable computer. The employee connects his portable computer to the network. When the employee attempts to join the computer to the domain, the connection fails. A help desk technician reports the following about the employee. He has a domain user account.His computer can access Internet Web sites.His computer can contact domain controllers by using the domain controllers IP addresses. You need to ensure that the employees computer can join the domain. The solution must ensure that the computer can access resources on the Internet. What should you do?()A.Modify the time zone for the computer.B.Modify the IPv4 settings on the computer.C.Create an A record for the computer in an internal DNS zone.D.Request that an administrator create a prestaged computer account in the domain.

Whenever new information is entered, it must be stored somewhere in the computer's(70). RAM only(71)the data temporarily. That is, all information stored in the RAM will disappear if you switch the computer off.A.processorB.keyboardC.printerD.memory

Refer to the exhibit. You have a non-Cisco switch that is not communicating properly while connected to the distribution-layer Cisco switching fabric.Which two best-practice actions can you take to overcome this problem? ()(Choose two.)A. Turn off MST (802.1s) on all switches.B. Turn on MST (802.1s) on all switches.C. Turn on RSTP (802.1w) on all switches.D. Turn off RSTP (802.1w) on all switches.

Do remember to ______ the light when you leave the room. A. turn up B. turn on C. turn off D. turn down

A jack-up drilling rig being towed must ______.A.turn off all lights that interfere with the navigation lightsB.turn on all available working lights on deckC.ring the bell rapidly for five seconds once a minuteD.display two black diamonds in a vertical line during the day

Any employee working late on a Friday must remember to turn off all computer equip-ment __________leaving for the night.A.then B.until C.before D.because

A technician at a small business goes into the server room to perform maintenance on a server and notices it is very hot and audible alarms are going off. The technician is unsure of how to remedy the situation. Which of the following should the technician do?()A、Turn off all the equipment in the server closetB、Install a fan in the server closetC、Turn off the power to the server closetD、Follow escalation procedures for emergencies

Let's not wait any longer, he might not()at all.A、turn overB、turn upC、turn onD、turn down

船舶离港之前,所有的吊杆必须纵向收放好。()A、Before leaving the harbour, all derricks must be stowed.B、After leaving the harbour, all derricks must be stowed fore and aft.C、Before leaving the harbour, all derricks must be stowed fore and aft.D、Before leaving the harbour, all heavy derricks must be stowed fore and aft.

Before leaving the harbour, all derricks must be ()properly.A、tightenedB、securedC、unfastenedD、loaded

which of the following actions will you not take before beginning installation or removal of anyNON-PNP hardware device inside the computer case?()A、Place all the hardware components in static proof bags.B、Remove all the jumpers from the motherboard.C、Switch off the main power and remove the power cordD、Use an anti-static wrist strap.E、Turn off the computer.F、Place the computer on the anti-static mat

When installing a new Plug and Play sound card, a technician should turn off and unplug the computer; remove the computer’s cover; locate the sound card slot, insert and secure the card in the slot and:()A、plug in and turn on the computer; let Windows recognize the new hardware and install the driver.B、plug in the computer; let Windows recognize the new hardware and plug in the speakers.C、let Windows recognize the new hardware; install the driver and plug in the speakers.D、turn on and plug in the computer; let Windows recognize the new hardware and install the driver.

Your company has a main office and a branch office. The network contains an Active Directory forest. All users on the network access the Internet from their computers. The company hires a temporary employee who has his own portable computer. The employee connects his portable computer to the network. When the employee attempts to join the computer to the domain, the connection fails. A help desk technician reports the following about the employee. He has a domain user account.His computer can access Internet Web sites.His computer can contact domain controllers by using the domain controllers IP addresses. You need to ensure that the employees computer can join the domain. The solution must ensure that the computer can access resources on the Internet. What should you do?()A、Modify the time zone for the computer.B、Modify the IPv4 settings on the computer.C、Create an A record for the computer in an internal DNS zone.D、Request that an administrator create a prestaged computer account in the domain.

单选题You have a computer that runs Windows 7. The computer has System Protection enabled. You need toretain only the last System Protection snapshot of the computer. All other snapshots must be deleted.  Whatshould you do?()ARun Disk Cleanup for Programs and Features.BRun Disk Cleanup for System Restore and Shadow Copies.CFrom the System Protection Restore settings, select Turn off System Restore.DFrom the System Protection Restore settings, select Only restore previous versions of files.

单选题Off hire is when a vessel breaks down,strands,or has any damage that prevents the working of cargo or delays the sailing of the vessel.Under which of the following charter parties is off hire mostlikely to be mentioned?().ABareboatBVoyageCTimeDLease

单选题An employee named Drew is leaving your company. A new employee named Adam will replace him. Drew has a local user account on a Windows 2000 Professional computer, with rights and permissions to multiple files and folders on the computer. You want Adam to have the same rights and permissions. How will you achieve this with the least administrative efforts? ()ARename Drew’s user account to Adam, and change the account password.BCreate a new account and link it to the previous users account.CDelete the account and create a new one.DAdd a new user account to all the groups that the previous employee was added.

单选题Your network consists of an Active Directory domain. The domain controllers run Windows Server 2008 R2. Client computers run Windows 7.   You need to implement Encrypting File System (EFS) for all client computers. You want to achieve this goal while meeting the following requirements:   èYou must minimize the amount of data that is transferred across the network when a user logs on to or off from a client computer.   èUsers must be able to access their EFS certificates on any client computers. èIf a client computer s disk fails, EFS certificates must be accessible    What should you do?()AEnable credential roaming.BEnable roaming user profiles.CEnable a Data Recovery Agent.DIssue smart cards to all users.

单选题A jack-up drilling rig being towed must().Aturn off all lights that interfere with the navigation lightsBturn on all available working lights on deckCring the bell rapidly for five seconds once a minuteDdisplay two black diamonds in a vertical line during the day

多选题You are a network administrator for your company. The design team provides you with the following list of requirements for server disaster recovery:   No more than two sets of tapes can be used to restore to the previous day.  A full backup of each server must be stored off-site.   A full backup of each server that is no more than one week old must be available on-site.  Backups must never run during business hours.   Tapes may be recalled from off-site storage only if the on-site tapes are corrupted or damaged. A full backup of all servers requires approximately 24 hours. Backing up all files that change during one week requires approximately 4 hours. Business hours for the company are Monday through Friday, from 6:00 A.M. to 10:00 P.M.  You need to provide a backup rotation plan that meets the design team’s requirements.   Which two actions should you include in your plan?()APerform a full normal backup for on-site storage on Friday night after business hours. Perform a full copy backup for off-site storage on Saturday night after the Friday backup is complete.BPerform a full normal backup for on-site storage on Friday night after business hours. Perform another full normal backup for off-site storage on Saturday night after the Friday backup is complete.CPerform a full copy backup for on-site storage on Friday night after business hours. Perform a full copy backup for off-site storage on Saturday night after the Friday backup is complete.DPerform differential backups on Sunday, Monday, Tuesday, Wednesday, and Thursday nights after business hours.EPerform incremental backups on Sunday, Monday, Tuesday, Wednesday, and Thursday nights after business hours.FPerform incremental backups on Sunday, Tuesday, and Thursday nights after business hours. Perform differential backups on Monday and Wednesday nights after business hours.

单选题A: Mrs. Green, thank you for a pleasant evening. I must be going now. Good night.  B: ______AIt was nice having you, Mr. Jones. Good night.BGood night. Please walk slowly.CAll right. Let me see you off downstairs.DWell, I won’t ask you to stay longer if you insist leaving.