Lesson 3 - Computer Protection

True/False
Indicate whether the statement is true or false.

____	1.	Accessing a company’s computer for personal use is not considered to be a crime.

____	2.	Backing up your data is a good way to safeguard against hardware theft.

____	3.	Hardware is a critical component of most businesses and is not easily replaced.

____	4.	Most computer centers avoid sprinkler systems because of the potential damage to computers.

____	5.	Computer rooms should have antistatic carpets.

____	6.	Do not plug a laser printer into a UPS.

____	7.	A UPS contains a battery that temporarily provides power if the normal current is interrupted.

____	8.	If you travel outside of the U.S. with your computer, the electrical systems are the same and you do not need additional equipment.

____	9.	Information stored on damaged media is unrecoverable.

____	10.	When eliminating a paper jam, always pull the paper in the opposite direction of the paper path.

Multiple Choice
Identify the choice that best completes the statement or answers the question.

____	1.	Which of the following is a safeguard to protect computer hardware from theft?
a.	Use security locks to secure the equipment to desks.	c.	Mark all equipment with an identification tag that can be traced.	
b.	Attach an alarm that will sound if the equipment is moved.	d.	All of the above are true.	

____	2.	Which of the following is NOT a measure taken to safeguard data?
a.	Firewalls	c.	Security locks	
b.	Intrusion-detection devices	d.	Backing up data	

____	3.	____ procedures should place a priority on files that would be difficult or impossible to replace or reconstruct if they were lost.
a.	Backup	c.	Encryption	
b.	Security	d.	Recovery	

____	4.	Which of the following is NOT true about data backup?
a.	Backup disks enable you to restore data.	c.	Large organizations have secure backup procedures that include a regular schedule for backing up files.	
b.	You should back up data to your hard drive.	d.	Data backup systems includes tape devices.	

____	5.	A temperature range of ____ degrees (Fahrenheit) is optimal for system reliability.
a.	50 or below	c.	68 to 75	
b.	50 to 65	d.	75 or higher	

____	6.	Which of the following is NOT true about the effects of humidity on computers?
a.	A low level can cause computers to short circuit.	c.	The relative humidity should be above 20% and below the dew point.	
b.	Condensation can cause problems, such as taking a cold notebook into a hot automobile.	d.	Some equipment has special humidity restrictions.	

____	7.	Which of the following is NOT true about magnetic fields and static electricity?
a.	A single spark from static electricity can damage a computer.	c.	Do not store magnets directly on a computer.	
b.	They only exist in special circumstances.	d.	Computer technicians use grounding straps on their wrists when they service computers.	

____	8.	Which of the following is NOT true about physical damage to computers?
a.	Desktop computers are more costly than notebooks with similar storage and processing capabilities.	c.	Arrange equipment on a desk or floor so that it is stable.	
b.	Most portable devices are insulated with shock absorbing material.	d.	All of the above are true.	

Jacki is a computer technician. She is helping Fiona learn about protecting her computer from physical damage.

____	9.	Jacki tells Fiona that she should ____.
a.	turn on her computer right away to test it after water damage	c.	transport her computer in a padded case	
b.	attach magnets to her computer to protect the magnetic fields	d.	wear a grounded strip when she installs a component to her computer	

____	10.	Jacki tells Fiona that the computer center she works in should do all of the following EXCEPT  ____.
a.	have a cut-off device that is triggered when sprinklers turn on	c.	keep cable connections free of dust 	
b.	have wooden floors	d.	clean the ball of each mechanical mouse 	

____	11.	The above figure is an example of a(n) ____.
a.	surge suppressor	c.	SPS	
b.	UPS	d.	power strip	

____	12.	Which of the following is NOT true about hard drive crashes?
a.	They are generally caused by software corruption or hardware defects.	c.	Diagnostic software and data recovery programs can locate and recover bad sectors.	
b.	They can occur if the hard drive overheats.	d.	Viruses rarely cause hard drive crashes.	

____	13.	Which of the following is NOT true about damaged media?
a.	If the media is damaged by water, restart the computer.	c.	If media is damaged by fire, leave it in the case.	
b.	If the media is wet, seal it in an airtight bag to keep it wet.	d.	You can locate a disaster data recovery company to help recover data.	

____	14.	The above figure shows the ____ command.
a.	reply	c.	prompt	
b.	ping	d.	packet	

Sihaam is helping to troubleshoot network connectivity problems with her computer.

____	15.	Sihaam knows that all of the following could be causes for her connectivity issues EXCEPT: ____.
a.	the network provider’s system is not working properly	c.	a damaged video card	
b.	network adapters and switch ports to not match	d.	the network adapter is incompatible with the motherboard	

____	16.	Sihaam knows that all of the following can fix her connectivity issues EXCEPT: ____.
a.	restarting the router	c.	trying another network cable	
b.	checking the computer’s network card	d.	using the boot disk	

____	17.	Some companies use ____ to monitor employee personal use.
a.	the ping command	c.	spyware	
b.	video cards	d.	network cards	

____	18.	Data on a hard drive is stored in small ____ dots on the disk.
a.	raised	c.	static	
b.	magnetic	d.	dynamic	

____	19.	SPS stands for ____ Power System.
a.	Sustainable	c.	Standby	
b.	Special	d.	Serial	

____	20.	If the printed image is faded, it could be because of all of the following conditions EXCEPT: ____.
a.	the printer’s fuser assembly might be damaged	c.	the print density is set too low	
b.	the toner is low	d.	economy mode printing is turned on	

Lesson 3 - Computer Protection
Answer Section

TRUE/FALSE

	1.	ANS:	F	PTS:	1	REF:	Mod 1-58

	2.	ANS:	T	PTS:	1	REF:	Mod 1-58

	3.	ANS:	F	PTS:	1	REF:	Mod 1-58

	4.	ANS:	F	PTS:	1	REF:	Mod 1-61

	5.	ANS:	T	PTS:	1	REF:	Mod 1-61

	6.	ANS:	T	PTS:	1	REF:	Mod 1-62

	7.	ANS:	T	PTS:	1	REF:	Mod 1-62

	8.	ANS:	F	PTS:	1	REF:	Mod 1-63

	9.	ANS:	F	PTS:	1	REF:	Mod 1-63

	10.	ANS:	F	PTS:	1	REF:	Mod 1-64

MULTIPLE CHOICE

	1.	ANS:	D	PTS:	1	REF:	Mod 1-58

	2.	ANS:	C	PTS:	1	REF:	Mod 1-59

	3.	ANS:	A	PTS:	1	REF:	Mod 1-59

	4.	ANS:	B	PTS:	1	REF:	Mod 1-59

	5.	ANS:	C	PTS:	1	REF:	Mod 1-60

	6.	ANS:	A	PTS:	1	REF:	Mod 1-60

	7.	ANS:	B	PTS:	1	REF:	Mod 1-61

	8.	ANS:	A	PTS:	1	REF:	Mod 1-61

	9.	ANS:	D	PTS:	1	REF:	Mod 1-61	TOP:	Critical Thinking

	10.	ANS:	B	PTS:	1	REF:	Mod 1-61	TOP:	Critical Thinking

	11.	ANS:	B	PTS:	1	REF:	Mod 1-62

	12.	ANS:	D	PTS:	1	REF:	Mod 1-63

	13.	ANS:	A	PTS:	1	REF:	Mod 1-64

	14.	ANS:	B	PTS:	1	REF:	Figure 1-67

	15.	ANS:	C	PTS:	1	REF:	Mod 1-66	TOP:	Critical Thinking

	16.	ANS:	D	PTS:	1	REF:	Mod 1-66	TOP:	Critical Thinking

	17.	ANS:	C	PTS:	1	REF:	Mod 1-58

	18.	ANS:	B	PTS:	1	REF:	Mod 1-61

	19.	ANS:	C	PTS:	1	REF:	Mod 1-62

	20.	ANS:	A	PTS:	1	REF:	Mod 1-64