The term used for certified 802.11b products is ___________ .

A technician finds that the network card is no longer functioning. At which of the following OSI layers is the problem occurring?

A. Layer 1 B. Layer 3 C. Layer 5 D. Layer 7

A(n) ____________________ vulnerability scanner is one that initiates traffic on the network in order to determine security holes.

Fill in the blank(s) with the appropriate word(s).