Which of the following protocols enables the sending node to obtain the MAC addresses of the intended recipient before packets are sent?

The quickest way to find a record in a database is to use the ________ feature

A) Filter B) Find C) Query D) Sort

Which one of the following activities transforms a zero-day vulnerability into a less dangerous attack vector?

A. Discovery of the vulnerability B. Implementation of transport-layer encryption C. Reconfiguration of a firewall D. Release of a security patch