Hiya!
Of the options given, I would say A. An object is an instance of a class is the correct choice.
Hope this helps!
Answer:
None of those answers is correct because E[1101] is index out of range.
Msconfig is the utility that lets u customize how windows starts up
15 length of network ID, 2^10=1024, so 10 bits is the length of host ID and subnet ID is 7 bits since 32-15-10= 7, so 2^7=128