14 - Wireless Security

Question 1

Name the described Wi-Fi security protocol.

Brief description: Ensure wired-like privacy in wireless

Encryption: RC4

Data Integrity: CRC-32

Key Management: None

Answer 1

WEP

Question 2

Name the described Wi-Fi security protocol.

Brief description: Based on 802.11i without requirement for new hardware

Encryption: TKIP + RC4

Data Integrity: MIC algorithm

Key Management: 4-way handshake

Answer 2

WPA

Question 3

Name the described Wi-Fi security protocol.

Brief description: All mandatory 802.11i features and a new hardware

Encryption: CCMP/AES

Data Integrity: Cipher Block Chaining Message Authentication Code (based on AES)

Key Management: 4-way handshake

Answer 3

WPA2

Question 4

Name the described Wi-Fi security protocol.

Brief description: Announced by Wi-Fi Alliance

Encryption: GCMP-256

Data Integrity: BIP-GMAC-256

Key Management: ECDH and ECDSA

Answer 4

WPA3

Question 5

What does BIP-GMAC-256 stand for?

Answer 5

256-bit Broadcast/Multicast Integrity Protocol Galois Message Authentication Code

Question 6

What does ECDH stand for?

Answer 6

Elliptic Curve Diffie-Hellman

Question 7

What does ECDSA stand for?

Answer 7

Elliptic Curve Digital Signature Algorithm

Question 8

___ is a symmetric encryption algorithm that uses the now antiquated DES algorithm three times in a row to encrypt your data.

Answer 8

triple data encryption standard (3DES)

Question 9

The ___ standard is a symmetric key algorithm. Is considered a very secure form of encryption today.

Answer 9

Advanced Encryption Standard (AES)

Question 10

What does WEP stand for?

Answer 10

wired equivalent privacy

Question 11

What does WPA stand for?

Answer 11

Wi-Fi protected access

Question 12

What does IEEE stand for?

Answer 12

Institute of Electrical and Electronics Engineers

Question 13

Which IEEE 802 standard is for wireless LAN connections?

a) 802.11
b) 802.1x
c) 802.3
d) 802.15

Answer 13

a) 802.11

Question 14

What is one disadvantage of using WPA3 on a wireless network?

a) Transmission rates are higher using WPA2
b) WPA3 may not be supported by many older networks
c) Security levels are higher using WEP
d) The licensing fees can be costly on large networks

Answer 14

b) WPA3 may not be supported by many older networks

Question 15

Why would someone choose to implement AES encryption over 3DES encryption?

a) To hide the network name form discovery protocols
b) Because they prefer to use a symmetric key algorithm
c) For a more secure level of encryption due to increased complexity
d) For transmission over long distances

Answer 15

c) For a more secure level of encryption due to increased complexity

Question 16

In ___ mode, all wireless communication is performed in a peer-to-peer fashion and does not require or involve a WAP.

Answer 16

ad-hoc

Question 17

Which type of network does not require a wireless router or access point?

a) WAN
b) Infrastructure
c) SAN
d) Ad-hoc

Answer 17

d) Ad-hoc

Question 18

___ is a DOS attack where the attacker can force any client off of the network.

Answer 18

deauthentication (deauth)