List the three types of MAC frames defined by the 802.11 standard.

Which of the following statements deletes the node to which cur points?

a. prev->next = cur; b. cur->next = prev; c. cur->next = cur->next; d. prev->next = cur->next;

RIP authentication can occur either by passing the authentication keys in clear text or via ____ authentication.

A. SSH B. RC4 C. MD5 D. SHA