kunci cisco chapter 11 essentials (4.0)

A technician suspects that a hard drive is beginning to fail. Which two conditions would support this suspicion? (Choose two.)
//The hard drive is making unusual noises.
The hard drive must be defragmented often.
**The hard drive has a gradual increase in the number of bad sectors.
The hard drive light is lit briefly during the boot process.
The hard drive light is lit briefly when programs are loaded.

Why should you use an antistatic mat when working on the internal components of a computer?
protect the technician against electrical shock
//reduce the chance of computer components being damaged by ESD
prevent the technician's tools from being damaged by ESD
protect computer components from AC voltage while working on the computer


A technician makes a habit of wearing an antistatic wrist strap when working on computers and peripherals. Which component should be repaired without wearing an antistatic wrist strap?
hard drives
memory
//printers
NIC


A computer is consistently locking up when applications are loaded. Which action could remedy the situation?
Defragment the hard drive.
Update the database for the anti-virus software.
Reinstall the operating system.
//Install new RAM


While performing routine maintenance on a computer, a user is cleaning dust and debris from the PC using compressed air. How should the technician hold the can of compressed air to avoid damaging the PC?
upside down to avoid blowing the dust upward
//upright to avoid fluid leakage
inside the PC at close distance to the motherboard
outside the PC to avoid blowing dust outside the PC


Which two components are considered input devices? (Choose two.)
printer
//camera
projector
//MIDI interface
speaker


A technician begins gathering data from a customer by asking open-ended questions. Which question is a proper open-ended question?
Were any recent updates performed?
Has anyone 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?


A technician has noted an abnormally large number of errors when using a floppy drive. The technician decides to clean the floppy drive to remedy the problem. What should be used to clean the floppy drive?
a vacuum cleaner
//a drive cleaning kit
an ammonia-based spray cleaner
a non-abrasive cleaner and water


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

What are three reasons to add an additional hard drive to a computer? (Choose three.)
//to store the system swap file
//to implement RAID and provide fault tolerance
to speed up the Internet download speed
//to install a second operating system
to decrease the time needed for defragmentation
to increase the CPU speed
Which three peripherals would be considered output devices? (Choose three.)
camera
//display monitor
keyboard
microphone
//projector
//speaker


Which course of action should be taken to close an application that has stopped responding?
//Use Ctrl-Alt-Delete to open Task Manager and end the task.
Use Ctrl-C to open Services and end the task.
The stalled application can only be closed by using a warm reboot.
Enter [application-name] halt -30s at the Run dialog box to stop the application in 30 seconds.


Which two motherboard features must be compatible when selecting a new CPU? (Choose two.)
//chip set
number of expansion slots
quantity of memory
//socket type
number of USB interfaces


A technician is helping a client select additional RAM for a computer. Which three items should be considered when updating RAM? (Choose three.)
The quantity of memory must exceed the size of the swap file.
The memory must be compatible with the video card.
//The memory must be compatible with the motherboard.
//The new memory must be the same type as the memory already present.
The memory must be as fast as the cache found in the CPU.
//The speed of the new memory must be the same or faster than the existing memory.

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


A technician has installed a new processor for a client in an attempt to improve the performance of an older computer. After installing the processor, the technician is unable to start the system. Which three steps should be taken first to solve the problem? (Choose three.)
Install new memory.
//Reseat the processor.
Verify that heatsink fans are connected to the power supply.
//Flash the BIOS.
//Verify motherboard compatibility with the BIOS version and the CPU.
Flash the CPU instruction set.