Which of the following statements is not true for SMTP? Question 10 options: a. SMTP can send multiple objects in a multipart message b. SMTP is a pull protocol c. SMTP requires messages to be in 7-bit ASCII d. SMTP uses persistent connections

3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).

Which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

Assume a class window with accessor method getwidth that accepts no parameters and returns an integer. assume further an array of 3 window elements named winarr, has been declared and initialized. write a sequence of statements that prints out the width of the widest window in the array.