What type of Diffie-Hellman group would you expect to be utilized on a wireless device ?
A. Group4
B. Group7
C. Group5
D. Group3
What type of Diffie-Hellman group would you expect to be utilized on a wireless device ?
A. Group4
B. Group7
C. Group5
D. Group3
Answer B is correct. Wireless clients typically use Diffie-Hellman Group 7 for small processor devices such as wireless devices. Answers A, C, and D are incorrect because these groups would not typically be found on wireless or other small processor devices.
IPSec IKE uses Diffie-Hellman groups to block easily-decrypted keys. Enter these commands to configure the Diffie-Hellman group on a wireless LAN with IPSec enabled:
•config wlan security ipsec ike DH-Group wlan-id group-id
–For group-id, enter group-1, group-2 (this is the default setting), or group-5.
https://www.cisco.com/en/US/products/ps6305/products_configuration_guide_chapter09186a00804dde5b.html
Not sure where DH 7 comes from ?
IPSec IKE uses Diffie-Hellman groups to block easily-decrypted keys. Enter these commands to configure the Diffie-Hellman group on a wireless LAN with IPSec enabled:
•config wlan security ipsec ike DH-Group wlan-id group-id
–For group-id, enter group-1, group-2 (this is the default setting), or group-5.
•Enter show wlan to verify that IPSec IKE DH group is configured.
Right from Cisco :
From <https://www.cisco.com/en/US/products/ps6305/products_configuration_guide_chapter09186a00804dde5b.html