10. What is the last address of a block of classless addresses if one of the addresses is 12.2.2.127/28? a) 12.2.2.16 b) 12.2.2.112 c) 12.2.2.127 d) none of the above

Please trace and show work on paper.

Java script

C++ 1.Accept a command line argument which is the purchase data file in the following format: Here is an example of the data file: Num_purchase(int)      symbol (string)   price(double)   FILE FOR INPUT:        TC 30.13          200 CSCO 24.00          50 IBM 130.00          100 AAPL 94.28 Define a new C++ “Stock” class that manages a stock price, number of share and stock symbol, must be in private Store data from file into vector NUM,SYMBOL,PRICE DISPLAY all data in the following format: Num_purchase,   symbol ,  price, total(total is caculate by mutiply Num-purchase with price). amount>= <total>: display all data have a total >= the given total create function name FInd so that you can find <stock-symbol>: display all purchase only for that symbol