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Chapter14

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

 1. 

Protection against harmful code involves more than just installing anti-malware software.
 

 2. 

When implementing anti-malware software on a network, one of your most important decisions is where to install the software.
 

 3. 

An anti-malware policy is meant to protect the network from damage and downtime.
 

 4. 

The goal of fault-tolerant systems is to prevent failures from progressing to faults.
 

 5. 

Generators provide surge protection.
 

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

 6. 

____ is intended to eliminate single points of failure.
a.
Availability
c.
Contingency
b.
Redundancy
d.
Integrity
 

 7. 

A program that disguises itself as something useful but actually harms your system is called a ____.
a.
virus
c.
bot
b.
worm
d.
Trojan horse
 

 8. 

____ are programs that run independently and travel between computers and across networks.
a.
Viruses
c.
Bots
b.
Worms
d.
Trojan horses
 

 9. 

A ____ is a program that runs automatically, without requiring a person to start or stop it.
a.
virus
c.
bot
b.
worm
d.
Trojan horse
 

 10. 

A(n) ____ virus disguises itself as a legitimate program to prevent detection.
a.
stealth
c.
time dependent
b.
encrypted
d.
polymorphic
 

 11. 

A(n) ____ virus changes its characteristics every time it is transferred to a new system.
a.
stealth
c.
time dependent
b.
encrypted
d.
polymorphic
 

 12. 

____ scanning detects malware by comparing a file’s content with known malware signatures in a signature database.
a.
Integrity checking
c.
Signature
b.
Polymorphic
d.
Heuristic
 

 13. 

____ detects malware by comparing current characteristics of files and disks against an archived version of these characteristics to discover any changes.
a.
Integrity checking
c.
Signature
b.
Polymorphic
d.
Heuristic
 

 14. 

____ scanning techniques attempt to identify malware by discovering “malware-like” behavior.
a.
Integrity checking
c.
Signature
b.
Polymorphic
d.
Heuristic
 

 15. 

A(n) ____ is a deviation from a specified level of system performance for a given period of time.
a.
fault
c.
error
b.
failure
d.
hoax
 

 16. 

Power that is free from noise is called “____” power.
a.
clear
c.
filtered
b.
clean
d.
white
 

 17. 

A(n) ____ UPS uses the A/C power from the wall outlet to continuously charge its battery, while providing power to a network device through its battery.
a.
standby
c.
offsite
b.
offline
d.
online
 

 18. 

Mesh topologies and ____ topologies are good choices for highly available enterprise networks.
a.
star
c.
bus
b.
SONET rings
d.
ring
 

 19. 

____ is an automatic distribution of traffic over multiple links or processors to optimize response.
a.
Redundancy
c.
RAID
b.
Failover
d.
Load balancing
 

 20. 

____ offers the best performance.
a.
RAID Level 0
c.
RAID Level 3
b.
RAID Level 1
d.
RAID Level 5
 

 21. 

____ provides redundancy through a process called disk mirroring.
a.
RAID Level 0
c.
RAID Level 3
b.
RAID Level 1
d.
RAID Level 5
 

 22. 

In ____, parity error checking occurs when data is written across the disk array.
a.
RAID Level 0
c.
RAID Level 3
b.
RAID Level 1
d.
RAID Level 5
 

 23. 

____ is a specialized storage device or group of storage devices that provides centralized fault-tolerant data storage for a network.
a.
NAS
c.
SANs
b.
RAID
d.
Optical media
 

 24. 

____ are distinct networks of storage devices that communicate directly with each other and with other networks.
a.
NAS
c.
SANs
b.
RAID
d.
Optical media
 

 25. 

____ is a type of media capable of storing digitized data and that uses a laser to write data to it and read data from it.
a.
Tape backup media
c.
Fiber optic media
b.
Optical media
d.
USB
 

 26. 

An archive ____ is a file attribute that can be checked or unchecked to indicate whether the file must be archived.
a.
bit
c.
word
b.
byte
d.
field
 



 
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