In which case would you use the Flashback Database feature to perform a recovery?()A、to recover a dropped tablespaceB、to recover data from a truncated tableC、to recover a data file that has been shrunkD、to recover a database to the state that existed before the RESETLOGS operation

In which case would you use the Flashback Database feature to perform a recovery?()

  • A、to recover a dropped tablespace
  • B、to recover data from a truncated table
  • C、to recover a data file that has been shrunk
  • D、to recover a database to the state that existed before the RESETLOGS operation

相关考题:

Which of the following is the FIRST thing a technician should do before putting their hand inside a computer case?() A. Acquire the appropriate tools that are going to be used.B. Touch the case to discharge static.C. Remove loose jewelry.D. Refer to manufacturer documentation.

Free Radio Pratique will be granted by the Port Health Office in the following case ______ .A.Vessel with a case or suspected case of infectious disease on boardB.Vessel with a dead body on boardC.Vessel which has visited plague-infected ports during the current voyageD.Cargo vessel which hasn't called at any plague infected ports during the current voyage and on which there is not any case of infectious disease,or any dead body

Which of the following will help dissipate heat through the heat sink when upgrading a CPU? ()A、Case fanB、Thermal compoundC、Motherboard riserD、Power supply

Consider the recovery steps in each of the cases given below:  Case 1:  Shut down the database and perform a backup.  Restore all the data files.  Mount the database.  Recover the database.  Without applying all the redo log files, open the database using the RESETLOGS option.  Back up the database.  Case 2:  Shut down the database and perform a backup.  Restore only the data files of the tablespace where user error damaged the data.  Mount the database.  Recover the database.  Open the database with the RESETLOGS option.  Back up the database.  Case 3: Shut down the database  Restore the data files  Open the database  Perform recovery to the current point in time.  Which case has the correct steps for an incomplete recovery?()A、only case 1B、only case 2C、only case 3D、case 1 and 2E、case 2 and 3F、case 1 and 3G、all cases: case 1, case 2 and case 3

In an environment in which multiple VLANs have been defined on Catalyst Express 500 switches, which two statements are correct for ports that have been configured with the Smartport role of "IP Phone + Desktop"?()A、The names of the VLANs used by the SmartPorts are case insensitiveB、The ports may belong to a configurable data VLANC、The names of the VLANs used by the Smartports are not relevantD、The ports may belong to many VLANs, depending on how many PCs are connected to each port.E、The names of the VLANs used by the Smartports are case sensitive

A technician notices that the BIOS event log shows a chassis intrusion. Which of the following is theMOST likely reason for the event? ()A、There is a loose object in the case.B、An optical drive drawer is open.C、The computer case was opened.D、An attacker hacked into the system.

Which of the following accurately describes the meaning of redundant cooling?()A、The source of cooling to a RAID systemB、The cooling system in a redundant power supplyC、A cooling system that can be installed in case of failureD、A second cooling system in case of a failure

A technician receives a work order requesting the installation of an NLX motherboard into a micro ATX case. Which of the following should the technician recognize?()A、A standard ATX power supply will not be able to connect to the NLX adapter.B、The system will not start up.C、The case is too small for the motherboard.D、The motherboard was not meant for this style of case.

Which of the following connection types are MOST likely to be found in the front of a PC case?()A、MolexB、RS-232C、SATAD、USBE、Audio

A technician dropped a screw in the case of a desktop computer. Which of the following toolsshould be used to retrieve the screws?()A、Computer vacuumB、Plastic tweezersC、Canned airD、Screwdriver with magnetized tip

Which of the following would BEST provide cooling to a processor?()A、Case fanB、HeatsinkC、Liquid cooling systemD、CPU fan

Which of the following statements about cooling is true?()A、Adapter cards (e.g. modems) do not add to the heat generated in a computer case.B、Bus mastering reduces the amount of heat generated inside a computer case.C、Removing expansion slot covers can compromise cooling airflow design.D、Periodic cleaning of the computer components inside the case has no effect on cooling efficiency.

Which of the following is a reason why Bob, a technician, should install case fans in the front of acomputer case?()A、It forces hot air out of the PCB、The fan is easier to remove and cleanC、It forces cooler air into the power supply quicklyD、It forces cooler air across the motherboard

Which of the following tools would be BEST to use to pry open the case of a laptop?()A、Metal screwdriverB、Plastic wedgeC、Needle-nose pliersD、Extension magnet

While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?()A、Help limit radio frequency interference (RFI) inside the case.B、Help ensure proper air flow through the case.C、Help prevent moisture buildup in the case.D、Help limit electrostatic discharge (ESD) inside the case.

多选题A Site Administrator is preparing for disaster recovery.  In the case that a hard disk fails, which of the following would he need to do to have a complete backup?()AABBCCDDEE

单选题Which one might be used most likely in case of a fire?()AlifejacketBSCBAClifeboatDtorch

单选题Which of the following accurately describes the meaning of redundant cooling?()AThe source of cooling to a RAID systemBThe cooling system in a redundant power supplyCA cooling system that can be installed in case of failureDA second cooling system in case of a failure

多选题Which of the following connection types are MOST likely to be found in the front of a PC case?()AMolexBRS-232CSATADUSBEAudio

单选题A technician notices that the BIOS event log shows a chassis intrusion. Which of the following is theMOST likely reason for the event? ()AThere is a loose object in the case.BAn optical drive drawer is open.CThe computer case was opened.DAn attacker hacked into the system.

多选题Which of the following three service requirements are included in the Cisco UnifiedCommunications optimize phase()ABusiness Case AlignmentBSecurity AssessmentCIncident managementDOperations Readiness AssessmentETechnology Assessment

单选题Which of the following is a reason why Bob, a technician, should install case fans in the front of acomputer case?()AIt forces hot air out of the PCBThe fan is easier to remove and cleanCIt forces cooler air into the power supply quicklyDIt forces cooler air across the motherboard

单选题Free Radio Pratique will be granted by the Port Health Office in the following case () .AVessel with a case or suspected case of infectious disease on boardBVessel with a dead body on boardCVessel which has visited plague-infected ports during the current voyageDCargo vessel which hasn't called at any plague infected ports during the current voyage and on which there is not any case of infectious disease,or any dead body

单选题A technician receives a work order requesting the installation of an NLX motherboard into a micro ATX case. Which of the following should the technician recognize?()AA standard ATX power supply will not be able to connect to the NLX adapter.BThe system will not start up.CThe case is too small for the motherboard.DThe motherboard was not meant for this style of case.

单选题One of the use cases in your web application uses many session-scoped attributes. At the end of the usecase, you want to clear out this set of attributes from the session object. Assume that this static variableholds this set of attribute names: 201.private static final Set USE_CASE_ATTRS;  202.static { 203.USE_CASE_ATTRS.add("customerOID"); 204.USE_CASE_ATTRS.add("custMgrBean"); 205.USE_CASE_ATTRS.add("orderOID"); 206.USE_CASE_ATTRS.add("orderMgrBean"); 207.} Which code snippet deletes these attributes from the session object?()Asession.removeAll(USE_CASE_ATTRS);Bfor( String attr : USE_CASE_ATTRS ){ session.remove(attr); }Cfor( String attr : USE_CASE_ATTRS ){session.removeAttribute(attr);}Dfor( String attr : USE_CASE_ATTRS ){session.deleteAttribute(attr);}Esession.deleteAllAttributes(USE_CASE_ATTRS);

单选题This is the sort of case in which judges must exercise the arbitrary power described a moment ago.AavailBuseChaveDdisplay