Chapter 14 quiz

Question 1

T/F: Protection against harmful code involves more than just installing anti-malware software.

Answer 1

True

Question 2

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

Answer 2

True

Question 3

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

Answer 3

True

Question 4

T/F: The goal of fault-tolerant systems is to prevent failures from progressing to faults.

Answer 4

False

Question 5

T/F: Generators provide surge protection.

Answer 5

False

Question 6

____ is intended to eliminate single points of failure.

Answer 6

redundancy

Question 7

A program that disguises itself as something useful but actually harms your system is called a ____.

Answer 7

trojan horse

Question 8

____ are programs that run independently and travel between computers and across networks.

Answer 8

worms

Question 9

A ____ is a program that runs automatically, without requiring a person to start or stop it.

Answer 9

bot

Question 10

A(n) ____ virus disguises itself as a legitimate program to prevent detection.

Answer 10

stealth

Question 11

A(n) ____ virus changes its characteristics every time it is transferred to a new system.

Answer 11

polymorphic

Question 12

____ scanning detects malware by comparing a file’s content with known malware signatures in a signature database.

Answer 12

signature

Question 13

____ detects malware by comparing current characteristics of files and disks against an archived version of these characteristics to discover any changes.

Answer 13

integrity checking

Question 14

____ scanning techniques attempt to identify malware by discovering “malware-like” behavior.

Answer 14

heuristic

Question 15

A(n) ____ is a deviation from a specified level of system performance for a given period of time.

Answer 15

failure

Question 16

Power that is free from noise is called “____” power.

Answer 16

clean

Question 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.

Answer 17

online

Question 18

Mesh topologies and ____ topologies are good choices for highly available enterprise networks.

Answer 18

SONET ring

Question 19

____ is an automatic distribution of traffic over multiple links or processors is used to optimize response.

Answer 19

load balancing

Question 20

Which RAID offers the best performance.

Answer 20

RAID level 0

Question 21

Which RAID provides redundancy through a process called disk mirroring.

Answer 21

RAID level 1

Question 22

In which RAID does parity error checking occur when data is written across the disk array.

Answer 22

RAID level 3

Question 23

____ is a specialized storage device or group of storage devices that provides centralized fault-tolerant data storage for a network

Answer 23

NAS

Question 24

____ are distinct networks of storage devices that communicate directly with each other and with other networks.

Answer 24

SANs

Question 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.

Answer 25

optical media

Question 26

An archive ____ is a file attribute that can be checked or unchecked to indicate whether the file must be archived.

Answer 26

bit

Question 27

Many bots spread through the ________, a protocol that enables users running IRC client software to communicate instantly with other participants in a chat room on the Internet.

Answer 27

IRC

Question 28

A(n) ______ is a battery-operated power source directly attached to one or more devices and to a power supply (such as a wall outlet) that prevents undesired features of the wall outlet’s A/C power from harming the device or interrupting its services.

Answer 28

UPS

Question 29

__________ refers to a collection of disks that provide fault tolerance for shared data and applications.

Answer 29

RAID

Question 30

A(n) ____________________ is a copy of data or program files created for archiving or safekeeping.

Answer 30

backup

Question 31

____ is the process of restoring your critical functionality and data after an enterprise-wide outage that affects more than a single system or a limited group of users

Answer 31

disaster recovery

Question 32

A momentary increase in voltage due to lightning strikes, solar flares, or electrical problems.

Answer 32

surge

Question 33

A complete power loss.

Answer 33

blackout

Question 34

Refers to how consistently and reliably a file or system can be accessed by authorized personnel.

Answer 34

availability

Question 35

A place where the computers, devices, and connectivity necessary to rebuild a network exist, and all are appropriately configured, updated, and connected to match your network’s current state.

Answer 35

hot site

Question 36

A place where the computers, devices, and connectivity necessary to rebuild a network exist, with some appropriately configured, updated, or connected.

Answer 36

warm site

Question 37

A place where the computers, devices, and connectivity necessary to rebuild a network exist, but they are not appropriately configured, updated, or connected.

Answer 37

cold site

Question 38

Fluctuation in voltage levels caused by other devices on the network or electromagnetic interference.

Answer 38

noise

Question 39

Refers to the soundness of a network’s programs, data, services, devices, and connections.

Answer 39

integrity

Question 40

A momentary decrease in voltage.

Answer 40

brownout

Question 41

A program that disguises itself as something useful but actually harms your system is called a _____.

Answer 41

Trojan horse

Question 42

A ____ virus disguises itself as a legitimate program to prevent detection.

Answer 42

Stealth

Question 43

A ____ virus changes its characteristics every time it is transferred to a new system.

Answer 43

Polymorphic

Question 44

A ____ is a deviation from a specified level of system performance for a given period of time.

Answer 44

Failure

Question 45

An ____ 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.

Answer 45

Online

Question 46

____ is a fault-tolerance technique that links multiple servers together to act as a single server.

Answer 46

Clustering

Question 47

____ Web sites are locations on the Internet that dynamically duplicate other locations on the Internet, to ensure their continual availability.

Answer 47

Mirrored

Question 48

A group of hard disks is called a ____.

Answer 48

Disk array

Question 49

____ is a specialized storage device or group of storage devices that provides centralized fault-tolerant data storage for anetwork.

Answer 49

NAS

Question 50

____ 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.

Answer 50

Optical media

Question 51

An archive ____ is a file attribute that can be checked or to indicate whether the file must be archived.

Answer 51

Bit

Question 52

Many bots spread through the ____, a protocol that enables users running client software to communicate instantly with other participants in a chat room on the Internet.

Answer 52

IRC

Question 53

____ is a specialized storage device or group of storage devices that provides centralized fault-tolerant data storage for a network.

Answer 53

NAS