Deck 4: Active Wireless Attacks

Question 1

An incorrect configuration of wireless hardware or software can often result in easy access to a system.

Answer 1

True

Question 2

____ occurs when an individual uses the personal information of someone else to impersonate that individual with the intent to commit fraud or other crimes.

A) Identity theft
B) Spam
C) DoS attack
D) Phishing

Answer 2

A

Question 3

DoS attacks are rare against wired network servers.

Answer 3

False

Question 4

Before users can be given access to a computer and its data, they must in some way prove that they are who they claim to be. This process of providing proof is known as ____.

A) authorization
B) encryption
C) cryptography
D) authentication

Question 5

In a ____ attack, each word from a dictionary is encoded in the same way the computer encodes a user's password for protection. Attackers then compare the encoded dictionary words against those in the encoded password file.

A) DoS
B) brute force
C) dictionary
D) rogue AP

Question 6

Authentication can be performed based on what you have, what you know, or what you are.

Question 7

The ____ is a popular protocol used to manage networked equipment.

A) SMTP
B) SNMP
C) FTP
D) POP3

Question 8

____ is a service that allows devices on a network to discover other devices and determine how to work with them.

A) IPSec
B) SNMP
C) UPnP
D) PnP

Question 9

____ typically displays advertising banners or pop-up ads and is frequently encountered while visiting Web sites with a browser.

A) Logic bomb
B) Adware
C) Spam
D) Phishing

Question 10

____ is a general term used to describe software that violates a user's personal security.

A) Virus
B) Spyware
C) Worm
D) Logic bomb

Question 11

A computer ____ is a program that secretly attaches itself to another document or program and executes when that document or program is opened.

A) virus
B) worm
C) spam
D) logic bomb

Question 12

In a ____ attack, an attacker attempts to create every possible password combination by systematically changing one character at a time in a password.

A) dictionary
B) brute force
C) DoS
D) rogue AP

Question 13

A ____ bypasses all of the network security and opens the entire network and all users to direct attacks.

A) wireless router
B) firewall
C) rogue access point
D) wireless gateway

Question 14

A ____ attack is designed to prevent a device from performing its intended function.

A) denial-of-service (DoS)
B) rogue AP
C) phishing
D) pharming

Question 15

A ____ is a computer program that lies dormant until it is triggered by a specific event.

A) worm
B) virus
C) spam
D) logic bomb

Question 16

In technical terms, ____ describes the points of risk regarding the penetration of a security defense.

A) security vulnerability
B) dictionary attack
C) password guessing
D) IPSec

Question 17

Because CSMA/CA has all stations wait a random amount of time after the medium is clear, the number of collisions is significantly reduced.

Question 18

____ allows the Windows operating system to automatically detect new hardware when it is installed on a computer.

A) UPnP
B) SNMP
C) IPSec
D) PnP

Question 19

One of the spyware tools often used is ____.

A) DoS
B) spam
C) adware
D) rogue APs

Question 20

Logic bombs are easy to detect before they are triggered.

Question 21

The Anti-Spyware Coalition defines ____________________ as technologies that are implemented in ways that impair a user's control over the use of system resources.

Question 22

With wireless CSMA/CA the amount of time that a device must wait after the medium is clear is called the ____________________.

Question 23

A(n) ____________________ may be defined as a weakness or flaw in an information system that could be exploited to cause harm.

Question 24

Most successful wireless DoS attacks are performed at the ____ layer of the OSI model.

A) Physical
B) MAC
C) Network
D) Application

Question 25

What are the minimum criteria for creating good passwords?

Question 26

What are the problems with using default passwords?

Question 27

Because the wireless medium is shared among all devices, there must be rules for cooperation among the wireless devices. The 802.11 standard uses a procedure known as ____.

A) ISM
B) CSMA/CD
C) CSMA/CA
D) IPSec

Question 28

What are some of the characteristics of weak passwords?

Question 29

What are some of the symptoms that indicate a virus has infected a computer?

Question 30

A ____ program creates fake packets and flood the wireless network.

A) MAC
B) packet sniffer
C) packet generator
D) CSMA/CA

Question 31

____ attacks are designed to deny wireless devices access to the access point itself.

A) DoS
B) Phishing
C) Rogue AP
D) Wireless DoS

Question 32

With explicit ____, an acknowledgment frame (abbreviated ACK) is sent by the receiving device back to the sending device to confirm that the data frame arrived intact.

A) packet generator
B) slot time
C) CRC
D) frame acknowledgment

Question 33

What are the security problems related to supporting remote access in wireless gateways?

Question 34

What are the security problems related to adware?

Question 35

____________________ are devices that combine access point, router, and network address translation features.

Question 36

____ attacks flood the RF spectrum with enough radiomagnetic interference to prevent a device from effectively communicating with the AP.

A) Physical layer
B) MAC layer
C) LLC layer
D) Transport layer

Question 37

Once an attacker's wireless device has entered the network and focused its attacks at other similar devices this is known as a(n) ____________________.

Question 38

Briefly explain the password paradox.

Question 39

What are the problems of using community strings in SNMP?

Question 40

Briefly describe the Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) procedure.

Question 41

Briefly describe how to perform a wired network DoS attack.