A(n) ______ contains a block of program instructions, which form a discrete unit with a name.

Which of the following is not a recent trend affecting performance evaluation?

a) Software complexity is increasing. b) The computing community is approaching a consensus on the validity of various standard performance evaluation tools and methods. c) Raw and potentially misleading measures, such as processor clock speed, have become influential in the consumer market. d) Industry-standard benchmarks and synthetic programs are emerging.

Briefly describe the differences between a Layer 2 switch and a Layer 3 switch.

What will be an ideal response?