After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal.<br /> Which of the following components should the technician check FIRST?（）..

第1题

[单选题] Once a fire is detected the engine should be slowed downOn no account （）.

A、the trunking should be opened up B、should the trunking be opened up C、the trunking should not be opened up D、should the trunking not be opened up

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第2题

[单选题] Traditional farming involved the open field village,a system that dated back to the（）century.

A、4th B、5th C、6th D、7th

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第3题

[多选题] Examine the following RMAN command: Which two statements are true regarding the backup taken by using the above RMAN command?（）

A、Only data files and the control file are backed up. B、Archived redo logs are backed up only I f the database is open during the backup. C、The backup is deleted after one day, regardless of the default retention policy settings. D、The backup becomes obsolete after one day, regardless of the default retention policy settings.

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第4题

[单选题] You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database. The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs?（）

A、Open the database in NORMAL mode B、Open the database in read-only mode C、Open the database in RESTRICTED mode D、Open the database with the RESETLOGS option

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第5题

[单选题] 装卸货之前，打开舱盖。（）

A、After loading and discharging, hatch covers will be opened. B、After loading and discharging, hatch covers will be closed. C、Before loading and discharging, hatch covers will be opened. D、Before loading and discharging, hatch covers will be closed.

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第6题

[单选题] In a four-stroke cycle diesel engine the intake valves open （）

A、before TDC and close after BDC B、after TDC and close after BDC C、before TDC and close before BDC D、after TDC and close before BDC

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第7题

[多选题] You run a script that completes successfully using SQL*Plus that performs these actions: 1. Creates a multitenant container database (CDB) 2. Plugs in three pluggable databases (PDBs) 3. Shuts down the CDB instance 4. Starts up the CDB instance using STARTUP OPEN READ WRITE Which two statements are true about the outcome after running the script?（）

A、The seed will be in mount state. B、The seed will be opened read-only. C、The seed will be opened read/write. D、The other PDBs will be in mount state. E、The other PDBs will be opened read-only. F、The PDBs will be opened read/write.

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第8题

[] You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database. The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs?（） You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the product

A、A. Open the database in NORMAL mode B、B. Open the database in read-only mode C、C. Open the database in RESTRICTED mode D、D. Open the database with the RESETLOGS option

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第9题

[单选题] The safety valve should be （） in the presence of C/E and Surveyor.

A、tightened up B、sealed up C、opened up D、unscrewed

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After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal.<br /> Which of the following components should the technician check FIRST?（）

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