Answers :
Question1:
E.
Question2:
A.
Question3:
ServletContextListener
Question4:
C.
Question5:
A, C.
Question6:
D.
Question7:
B.
Question8:
C.
Question9:
B.
Question10:
A and D.
Question11:
A and B.
Question12:
A and D.
Question13:
B and C.
Question14:
D.
Question15:
A.
Question16:
D.
Question17:
D.
Question18:
D.
Question19:
A and D.
Question20:
B.
Question21:
A and B.
Question22:
C.
Question23:
B.
Question24:
C.
Question25:
A.
Question26:
D.
Question27:
A and D.
Question28:
B and D.
Question29:
D.
Question30:
C and D.
Question31:
A.
Question32:
A, C, and D.
Question33:
D.
Question34:
C.
Question35:
C.
Question36:
A and D.
Question37:
B, C, and D.
Question38:
D.
Question39:
A.
Question40:
B and C.
Question41:
A.
Question42:
B.
Question43:
A.
Question44:
B.
Question45:
A.
Question46:
A.
Question47:
B.
Question48:
A.
Question49:
C and D.
Question50:
D.
Question51:
C.
Question52:
C and D.
Question53:
B.
Question54:
A.
Question55:
C.
Question56:
SingleThreadModel
Question57:
C.
Question58:
B and C.
Question59:
B.
Question60:
D.