Question 1

Because of the weaknesses of the implementation of WEP it is possible for an attacker to identify two packets derived from the same IV (called a(n) ____).

Accepted Answer

A)   collision
B)   keystream
C)   ICV
D)   CRC vector A

Question 2

A wireless device is set to look for beacon frames from the AP. This is known as ____________________.

Accepted Answer

scanning

Question 3

To encrypt packets WEP can use only a 64-bit or ____-bit number.

Accepted Answer

A)   72
B)   90
C)   110
D)   128 D

Question 4

What is a MAC address?

Accepted Answer

The answer of What is a MAC address?...

Question 5

Describe the main characteristics of the shared key authentication method.

Accepted Answer

The answer of Describe the main characteristics of the shared...

Question 6

What are the differences between Dynamic WEP unicast and broadcast keys?

Accepted Answer

The answer of What are the differences between Dynamic WEP...

Question 7

In WEP, RC4 uses a(n) ____________________ to create the keystream.

Accepted Answer

The answer of In WEP, RC4 uses a(n) ____________________ to...

Question 8

WEP2 uses a different authentication system known as ____.

Accepted Answer

A)   RADIUS
B)   MS-CHAPS
C)   LDAP
D)   Kerberos

Question 9

____ solves the weak initialization vector (IV) WEP problem by rotating the keys frequently.

Accepted Answer

A)   WEP2
B)   Dynamic WEP
C)   SSID
D)   Roaming

Question 10

The IEEE standard specifies that the access points and devices can hold up to four shared secret keys, one of which must be designated as the ____________________.

Accepted Answer

The answer of The IEEE standard specifies that the access...

Question 11

Changing the original text to a secret message using cryptography is known as ____.

Accepted Answer

A)   ciphertext
B)   decryption
C)   encryption
D)   plaintext

Question 12

____________________ is the science of transforming information so that it is secure while it is being transmitted or stored.

Accepted Answer

The answer of ____________________ is the science of transforming information...

Question 13

When WEP is used for shared key authentication it is serving a dual function of encryption and authentication.

Accepted Answer

A) True 
 B)False

Question 14

A stream cipher takes one character and replaces it with another character. This output is known as the ____.

Accepted Answer

A)   initialization vector
B)   integrity check value
C)   cyclic redundancy check
D)   keystream

Question 15

Briefly explain how turning off the beaconing of the SSID affects roaming in a wireless network environment.

Accepted Answer

The answer of Briefly explain how turning off the beaconing...

Question 16

____ was developed by the Massachusetts Institute of Technology (MIT) and used to verify the identity of network users.

Accepted Answer

A)   Kerberos
B)   Dynamic WEP
C)   WEP2
D)   LDAP

Question 17

Describe the main characteristics of the open system authentication method.

Accepted Answer

The answer of Describe the main characteristics of the open...

Question 18

In ____, a shared secret key is used to encrypt the cleartext as well as decrypt the ciphertext.

Accepted Answer

A)   public key cryptography
B)   asymmetric encryption
C)   asymmetric cryptography
D)   private key cryptography

Question 19

WEP relies on a secret key shared between a wireless client device and the access point.

Accepted Answer