Tukang Ajarin

                      


                                                                                                                                             

1.    A technician begins gathering data from a customer by asking open-ended question. Which question is a proper open-ended question?
•    Were any updates performed?
•    Has  anyoane  installed  new  software  in  the past  two  days?
•    Are you the only user to use the PC recently?
•    What  happens  when  the  PC  is powered on?

2.    What is the recommended procedure for cleaning a computer fan assembly?
•    Remove  the  fan-assembly and wash it in warm  soapy  water;
•    Use a vacuum cleaner to remove the dust from the fan blades;
•    Hold the fan blades in place and clean them with compressed air;
•    Blow compressed air the fan so that its high rate of spin will throw off all dust and debris.

3.    A technician needs to retrieve a DVD from an optical drive that is jammed and fails to open. What is the best method the technician could use to retrieve the DVD?
•    Disconnect the data cables from the optical drive when the power is on and press the eject button;
•    Insert a pin in the small hole next to the eject button;
•    Remove the drive and then disassemble the drive;
•    Remove the power source and then hold the eject button while reconnecting the power source.

4.    A technician has determined that a computer is failing to boot because of a power supply that is not supplying power to the hard drives. What is the correct course of action?
•    The technician should attempt to repair the power supply . If the attempt is unsuccessful, the power supply should be thrown in the trash and replaced;
•    The tecnician should attempt to repair the power supply. If the technician is unsuccessful, the power supply should be replaced with a power supply of equal or grater waltage;
•     No attempt should be made to repair the power supply. The power supply should be replaced with a power supply or equal or greater waltage;
•    Power supplies should always be replaced with components of equal or less waltage to avoid damage to the system from excess power to internal components.

5.    While performing routine maintenance, a user notices that the desk area around the computer is cluttered and dusty. After cleaning the desk area, what action should the user take to clean the computer?
•    Vacuum all dust and debris from the computer;
•    Remove all dust and debris from the computer using a can of compressed air;
•    Clean the internal components of the computer using a non*abrasive spray cleaner and an anti-static sponge;
•    Clean the inside of the computer using a lint-free cloth and a pencil to dilodge stuck or embedded debris.

6.  What manufacturing process makes a multicore processor operate faster than single-core processor on the same matherboard?
•    The multicore processors are designed to take advantage of more memory on the motherboard;
•    The multicore processors are designed with lower Level 2 caches on the chip, and they make better use of the cache on the motherboard;
•    The multicore processors are designed with multiple processors integrated into the same circuit;
•    The multicore processors are deigned to have better acces to RAM on the motherboard.

7.    When a technician is servicing a laser printer, wich two dangers need to be avoided? (Choose two)
•    Mercury poisoning;
•    Electrical shock;
•    Chromium ingestion;
•    Burns;
•    Lead poisoning.

8.    You are monitoring a new technician installing a device driver on a Windows-based PC. The technician asks why the company requires the use of signed drivers. What would be the best response to give?
•    Signed drivers prevent physical damage to devices;An unsigned driver can cause files to be fragmented as they are processed;
•    A signed driver has passed Microsoft’s quality lab test and prevents a system from being compromised;
•    All companies making devices for a Windows computer have Microsoft sign off the new driver before it can added to the operating system;
•    A signed driver has been approved by the comopany that created the device driver.

9.    A technician is concerned that a computer is overheating. The computer reboots without warning.What can the technician do to improve the circulation of air through the computer?
•    Add a heat sink to the CPU;
•    Add one or more case fans;
•    Replace the case with one that has front air vents;
•    Install the CPU into a thermal cooling unit overnight.

10.    When a computer boots, the hard disk is not recognized. What are two possible causes of the problem ? (Choose two)
•    The two disk drives are connected to the same IDE cable;
•    The power cable is not attached properly to the drive;
•    The IDE drive is jumpered as the master, and the CD drive connected to the same cable is jumpered as the slave;
•    The data cable is loose or diconnected;
•    The floppy disk cable is connected to the hard drive.

11.    Which method of disk writing does RAID 5 use?
•    Duplexing;
•    Mirroring;
•    Parity;
•    Striping.

12.    Which two ports are used to connect external media readers to a computer? (Choose two)
•    FireWire;
•    PATA;
•    RAID;
•    RS 232;
•    USB.

13.    Which type of hard drive cable connects drives in a daisy chain series and requires manual termination at each end of the daisy chain to prevent data corruption?
•    PATA;
•    SATA;
•    SCSI;
•    USB.

14.    How should a floppy disk drive be cleaned?
•    Apply a vacuum cleaner to the disk slot?
•    Use a drive cleaning kit;
•    Spray an isopropyl alcohol based cleaner into the hole provided in the drive;
•    Remove heads and clean with a mild detergent.

15.    Why should  you use an antistatic mat  when  working  on  the  internal  components  of  a computer?
•    Protect  the tecnician aginst electrical shock;
•    Reduce  the chance of computer components being damaged by ESD;
•    Prevent  the technician’s tools from being damaged by ESD.

16.    What is the recommended  way to clean an optical  drive ?
•    Use compressed air and lint free cotton swabs;
•    Use cotton swabs and denatured alcohol;
•    Use a vacuum cleaner;
•    Use glass cleaner and a lint free cloth.

17.    Under which circumstance would the use of an antistatic wrist strap be discouraged?
•    When working in a dry enviroment;
•    When removing memory from a laptop;
•    When working with high voltage circuits;
•    When replacing a video card on a desktop computer.

18.    Why should a technician  avoid using magnetized tools when repairing  a computer?
•    They can  generate ESD that can affect the CPU;
•    They can  cause polarity changes on the motherboard;
•    They store ESD and discharge on contact with computer components.
•    They can induce current which can damage internal computer components.

19.    What is a critical step when installing a second PATA hard drive in a computer?
•    Set the swap file size on the new drive;
•    Set the drive ID number with the correct jumper;
•    Configure the BIOS settings to auto-detect the master drive;
•    Ensure that pin one of the PATA data cable is correctly aligned with the connector;

20.    A customer is interested in video editing and has purchased a FireWire hard drive for storage of videos. However, no FireWire ports are available on the motherboard. What type adapter will the customer be interested in obtaining?
•    DSP ;
•    eSATA;
•    GPU;
•    I/O;
•    SCSI