Question 1

Describe one trend that is making security increasingly difficult.

Accepted Answer

Speed of attacks - With modern tools at

Question 2

MAC address filtering ____.

Accepted Answer

A)  is difficult to implement 
B)  requires pre-approved authentication 
C)  is expensive 
D)  does not work well 
A)  is difficult to implement 
B)  requires pre-approved authentication 
C)  is expensive 
D)  does not work well

Question 3

Cryptography is a new invention of the 20th Century.

Accepted Answer

A) True 
 B)False

Question 4

According to the IEEE 802.11 cryptography objectives, how strong should WEP be?

Accepted Answer

A)  difficult 
B)  reasonably 
C)  extremely 
D)  unbreakable 
A)  difficult 
B)  reasonably 
C)  extremely 
D)  unbreakable

Question 5

What is a cracker?

Accepted Answer

A cracker is a person who violates syste

Question 6

In WEP, the CRC generates a(n) ____ based on the contents of the text.

Accepted Answer

A)  initialization vector 
B)  cipher 
C)  checksum 
D)  key 
A)  initialization vector 
B)  cipher 
C)  checksum 
D)  key

Question 7

Wireless DoS attacks are exactly the same as wired DoS attacks.

Accepted Answer

A) True 
 B)False

Question 8

Describe at least four weaknesses of open system authentication.

Accepted Answer

Beaconing the SSID is the default mode i

Question 9

In a 64-bit packet sent using WEP, how many bits are actually encrypted?

Accepted Answer

A)  10 
B)  24 
C)  40 
D)  64 
A)  10 
B)  24 
C)  40 
D)  64

Question 10

When the recipient receives the encrypted text, it must be decrypted with the cipher and the key to produce the original ____.

Accepted Answer

A)  plaintext 
B)  detext 
C)  ciphertext 
D)  deciphertext 
A)  plaintext 
B)  detext 
C)  ciphertext 
D)  deciphertext

Question 11

____ is another name for open systems authentication.

Accepted Answer

A)  Public key encryption 
B)  Symmetric key encryption 
C)  WEP 
D)  SSID filtering 
A)  Public key encryption 
B)  Symmetric key encryption 
C)  WEP 
D)  SSID filtering

Question 12

Match between columns
                        Premises: attacker floods the radio frequency spectrum with noise
person who has been hired to break into a computer and steal information
series of 1's and 0's equal in length to the text plus the ICV
key value that is used to encrypt wireless data transmissions when they are sent
person who violates system security with malicious intent
encryption algorithm
person who uses his or her advanced computer skills to attack computers but not with a malicious intent
limit a user's admission to the access point
unskilled or novice users who break into computer systems with malicious intent

Accepted Answer

The Answer of cipher and jam and script kiddies and is...

Question 13

MAC address filtering is vulnerable because there are programs available that allow users to ____ a MAC address.

Accepted Answer

A)  spoof 
B)  break 
C)  modify 
D)  disable 
A)  spoof 
B)  break 
C)  modify 
D)  disable

Question 14

While most attacks take advantage of vulnerabilities that someone has already uncovered, a(n) ____________________ attack occurs when an attacker discovers and exploits a previously unknown flaw.

Accepted Answer

The answer of While most attacks take advantage of vulnerabilities...

Question 15

Describe a man-in-the-middle attack.

Accepted Answer

Man-in-the-middle attacks on computer in

Question 16

In a(n) ____________________ attack, an attacker attempts to create every possible key combination by using a program to systematically change one character at a time in a possible default key, and then using each newly generated key to decrypt a message.

Accepted Answer

The answer of In a(n) ____________________ attack, an attacker attempts...

Question 17

A wireless DoS attack may involve an attacker sending a series of ____ frames to a wireless device.

Accepted Answer

A)  disassociation 
B)  drop 
C)  misaddressed 
D)  incomplete 
A)  disassociation 
B)  drop 
C)  misaddressed 
D)  incomplete

Question 18

What disadvantage of wireless networks provides the biggest stumbling block to the adoption of wireless technology?

Accepted Answer

A)  speed 
B)  cost 
C)  security 
D)  complexity 
A)  speed 
B)  cost 
C)  security 
D)  complexity

Question 19

A standard personal computer can easily create over ____ possible password combinations per second.

Accepted Answer

A)  100 
B)  1,000 
C)  1,000,000 
D)  1,000,000,000 
A)  100 
B)  1,000 
C)  1,000,000 
D)  1,000,000,000

Question 20

Which type of attacker typically has a high skill level?

Accepted Answer

A)  hacker 
B)  cracker 
C)  spy 
D)  All of the above 
A)  hacker 
B)  cracker 
C)  spy 
D)  All of the above

Describe one trend that is making security increasingly difficult.

MAC address filtering ____.

Cryptography is a new invention of the 20th Century.

According to the IEEE 802.11 cryptography objectives, how strong should WEP be?

What is a cracker?

In WEP, the CRC generates a(n) ____ based on the contents of the text.

Wireless DoS attacks are exactly the same as wired DoS attacks.

Describe at least four weaknesses of open system authentication.

In a 64-bit packet sent using WEP, how many bits are actually encrypted?

When the recipient receives the encrypted text, it must be decrypted with the cipher and the key to produce the original ____.

____ is another name for open systems authentication.

MAC address filtering is vulnerable because there are programs available that allow users to ____ a MAC address.

While most attacks take advantage of vulnerabilities that someone has already uncovered, a(n) ____________________ attack occurs when an attacker discovers and exploits a previously unknown flaw.

Describe a man-in-the-middle attack.

In a(n) ____________________ attack, an attacker attempts to create every possible key combination by using a program to systematically change one character at a time in a possible default key, and then using each newly generated key to decrypt a message.

A wireless DoS attack may involve an attacker sending a series of ____ frames to a wireless device.

What disadvantage of wireless networks provides the biggest stumbling block to the adoption of wireless technology?

A standard personal computer can easily create over ____ possible password combinations per second.

Which type of attacker typically has a high skill level?

Its a Wireless World

Wireless LAN Devices and Standards

How Wireless Works

IEEE 80211 Physical Layer Standards

IEEE 80211 Media Access Control and Network Layer Standards

Planning and Deploying a Wireless LAN

Conducting a Site Survey

Implementing Wireless Lan Security

Managing a Wireless LAN

Network Settings and Wireless LAN Troubleshooting

Personal, Metropolitan, and Wide Area Wireless Networks

Filters

Exam 8: Wireless LAN Security and Vulnerabilities

Describe one trend that is making security increasingly difficult.

MAC address filtering ____.

Cryptography is a new invention of the 20th Century.

According to the IEEE 802.11 cryptography objectives, how strong should WEP be?

What is a cracker?

In WEP, the CRC generates a(n) ____ based on the contents of the text.

Wireless DoS attacks are exactly the same as wired DoS attacks.

Describe at least four weaknesses of open system authentication.

In a 64-bit packet sent using WEP, how many bits are actually encrypted?

When the recipient receives the encrypted text, it must be decrypted with the cipher and the key to produce the original ____.

____ is another name for open systems authentication.

MAC address filtering is vulnerable because there are programs available that allow users to ____ a MAC address.

While most attacks take advantage of vulnerabilities that someone has already uncovered, a(n) ____________________ attack occurs when an attacker discovers and exploits a previously unknown flaw.

Describe a man-in-the-middle attack.

In a(n) ____________________ attack, an attacker attempts to create every possible key combination by using a program to systematically change one character at a time in a possible default key, and then using each newly generated key to decrypt a message.

A wireless DoS attack may involve an attacker sending a series of ____ frames to a wireless device.

What disadvantage of wireless networks provides the biggest stumbling block to the adoption of wireless technology?

A standard personal computer can easily create over ____ possible password combinations per second.

Which type of attacker typically has a high skill level?

Its a Wireless World

Wireless LAN Devices and Standards

How Wireless Works

IEEE 80211 Physical Layer Standards

IEEE 80211 Media Access Control and Network Layer Standards

Planning and Deploying a Wireless LAN

Conducting a Site Survey

Implementing Wireless Lan Security

Managing a Wireless LAN

Network Settings and Wireless LAN Troubleshooting

Personal, Metropolitan, and Wide Area Wireless Networks

Filters