Exam 1z0-882 topic 1 question 28 discussion

Actual exam question from Oracle's 1z0-882

Question #: 28
Topic #: 1

Using the MYSQL command –line client you have received the error "Lost connection to MYSQL server query"
Which three are possible causes of the error?

A. The MYSQL server stopped working during query execution.
B. The network connection was interrupted during query execution.
C. The connection that issued the query was killed.
D. The client connection stayed idle for longer than interactive –timeout seconds and was closed.
E. The client sent an erroneous query to the server causing the connection to be closed.
F. The server interrupted client connection after max-connect-errors was achieved.