Deck 14: Ensuring Integrity and Availability

Question 1

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

A) Integrity checking
B) Polymorphic
C) Signature
D) Heuristic

Answer 1

C

Question 2

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

A) fault
B) failure
C) error
D) hoax

Answer 2

B

Question 3

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

A) star
B) SONET rings
C) bus
D) ring

Answer 3

B

Question 4

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

A) stealth
B) encrypted
C) time dependent
D) polymorphic

Question 5

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

A) Viruses
B) Worms
C) Bots
D) Trojan horses

Question 6

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

A) Integrity checking
B) Polymorphic
C) Signature
D) Heuristic

Question 7

____ offers the best performance.

A) RAID Level 0
B) RAID Level 1
C) RAID Level 3
D) RAID Level 5

Question 8

Power that is free from noise is called "____" power.

A) clear
B) clean
C) filtered
D) white

Question 9

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

A) virus
B) worm
C) bot
D) Trojan horse

Question 10

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

A) Redundancy
B) Failover
C) RAID
D) Load balancing

Question 11

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

Question 12

Generators provide surge protection.

Question 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____ detects malware by comparing current characteristics of files and disks against an archived version of these characteristics to discover any changes.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
B) Polymorphic
C) Signature
D) Heuristic

Question 14

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

Question 15

____ is intended to eliminate single points of failure.

A) Availability
B) Redundancy
C) Contingency
D) Integrity

Question 16

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

A) stealth
B) encrypted
C) time dependent
D) polymorphic

Question 17

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

Question 18

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

A) virus
B) worm
C) bot
D) Trojan horse

Question 19

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
B) offline
C) offsite
D) online

Question 20

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

Question 21

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.

Question 22

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

A) bit
B) byte
C) word
D) field

Question 23

MATCHING
Match each item with a statement below:
a.surge
f.availability
b.noise
g.cold site
c.brownout
h.warm site
d.blackout
i.hot site
e.integrity
Refers to the soundness of a network's programs,data,services,devices,and connections.

Question 24

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

A) NAS
B) RAID
C) SANs
D) Optical media

Question 25

MATCHING
Match each item with a statement below:
a.surge
f.availability
b.noise
g.cold site
c.brownout
h.warm site
d.blackout
i.hot site
e.integrity
A momentary increase in voltage due to lightning strikes,solar flares,or electrical problems.

Question 26

MATCHING
Match each item with a statement below:
a.surge
f.availability
b.noise
g.cold site
c.brownout
h.warm site
d.blackout
i.hot site
e.integrity
A place where the computers,devices,and connectivity necessary to rebuild a network exist,with some appropriately configured,updated,or connected.

Question 27

In ____,parity error checking occurs when data is written across the disk array.

A) RAID Level 0
B) RAID Level 1
C) RAID Level 3
D) RAID Level 5

Question 28

MATCHING
Match each item with a statement below:
a.surge
f.availability
b.noise
g.cold site
c.brownout
h.warm site
d.blackout
i.hot site
e.integrity
A complete power loss.

Question 29

____ 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
B) Optical media
C) Fiber optic media
D) USB

Question 30

MATCHING
Match each item with a statement below:
a.surge
f.availability
b.noise
g.cold site
c.brownout
h.warm site
d.blackout
i.hot site
e.integrity
Fluctuation in voltage levels caused by other devices on the network or electromagnetic interference.

Question 31

MATCHING
Match each item with a statement below:
a.surge
f.availability
b.noise
g.cold site
c.brownout
h.warm site
d.blackout
i.hot site
e.integrity
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.

Question 32

MATCHING
Match each item with a statement below:
a.surge
f.availability
b.noise
g.cold site
c.brownout
h.warm site
d.blackout
i.hot site
e.integrity
Refers to how consistently and reliably a file or system can be accessed by authorized personnel.

Question 33

____________________ 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.

Question 34

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

Question 35

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.

Question 36

MATCHING
Match each item with a statement below:
a.surge
f.availability
b.noise
g.cold site
c.brownout
h.warm site
d.blackout
i.hot site
e.integrity
A momentary decrease in voltage.

Question 37

____ provides redundancy through a process called disk mirroring.

A) RAID Level 0
B) RAID Level 1
C) RAID Level 3
D) RAID Level 5

Question 38

MATCHING
Match each item with a statement below:
a.surge
f.availability
b.noise
g.cold site
c.brownout
h.warm site
d.blackout
i.hot site
e.integrity
A place where the computers,devices,and connectivity necessary to rebuild a network exist,but they are not appropriately configured,updated,or connected.

Question 39

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

Question 40

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

A) NAS
B) RAID
C) SANs
D) Optical media

Question 41

Define disk duplexing and describe how it is related to disk mirroring.

Question 42

Explain the concept of a backup strategy and provide a list of eight questions the strategy should address.

Question 43

Define mirroring and server mirroring.Describe the necessary requirement for server mirroring.

Question 44

Describe the key to fault tolerance in network design.Provide examples of fault tolerant topologies.

Question 45

Describe an alert known as a hoax.

Question 46

Describe how an organization implements anti-malware software.

Question 47

Define and describe a virus.

Question 48

Describe a backup rotation scheme and explain the goal of a good scheme.

Question 49

Explain why it is important to keep backups,boot disks,and emergency repair disks current and available.

Question 50

Describe clustering and explain why it is more cost-effective than mirroring for large networks.