In what type of attack does the attacker compromise multiple systems and then instruct those compromised systems, called zombies, to simultaneously flood a target system with traffic?

3(c). is the following command correct? if not, correct the syntax and explain your answers. you can just rewrite/correct only the wrong parts. (4) select p#, city, zipcode, count(*) from client c, property p, viewing v where c.c# = v.c# and v.p# = p.p# group by p#, city having count(*) > 3;

Python write an expression that executes the loop body as long as the user enters a non-negative number. note: if the submitted code has an infinite loop, the system will stop running the code after a few seconds and report "program end never reached." the system doesn't print the test case that caused the reported message. sample outputs with inputs: 9 5 2 -1

Assume that you have an sorted array of records. assume that the length of the array (n) is known. give two different methods to search for a specific value in this array. you can use english or pseudo-code for your algorithm. what is the time complexity for each algorithm and why?