"Given the input string "abcd", which permutations beginning with the character ‘d’ can be output using the same code fragment combinations (e. g., cin/push, pop/cout) described previously? Why can only these permutations be produced?"

Select the correct answer. a company wants to use online methods to target more customers. it decides to conduct a market research by collecting the data of a few customers with their consent. they want to track data of the sites that their customers frequently visit. which software can the company? a. spyware b. bots c. adware d. trojan horse e. rootkits