The 802.11n wireless standard is compatible with all previous standards except 802.11a

What will happen if you try to store duplicate data in a primary key column?

a. The column will be duplicated. b. An error will occur. c. The duplicate data will have concurrency issues. d. The primary key column will not display the duplicate data.

When buffer overflow occurs:

a. it is a dangerous condition b. it is unlikely to be caught by the compiler c. it is unlikely to be caught by the runtime system d. memory not allocated to the array is overwritten e. all of the above