Protocols and Encryption

Question 1

AAA Protocol (RADIUS and TACACS+ )

Answer 1

○ Authentication: proves the user’s identity.
○ Authorization: defines what the user can access.
○ Accounting: logs what the user accessed while on the network.
Ex; RADIUS and TACACS+

Question 2

Wi-Fi Protected Setup
(WPS)

Answer 2

Allows a device to securely connect to a wireless network without entering the PSK (Pre-shared key);

Question 3

WPA

Answer 3

2003; Includes message integrity checks

Question 4

WPA2

Answer 4

2004; Wireless security that adheres to the 802.11i specifications; PSK (pre-shared key); Enterprise mode

Question 5

WEP

Answer 5

1997; 1st attempt at wireless protection; uses static key

Question 6

WPA3

Answer 6

2018; Individualized data encryption; Stronger brute force attack protection; 192-bit encryption

Question 7

TKIP

Answer 7

128-bit encryption; used with WEP and WPA

Question 8

AES

Answer 8

128, 192 and 256-bit encryption; used with WPA2/3; Strongest Wifi security is WPA3/AES