Which of the following statements are true regarding SYN flood attack?

Which of the following is the most common vulnerability that can affect desktop applications written in native code?

Jason, a Malicious Hacker, is a student of Baker university. He wants to perform remote hacking on the server of DataSoft Inc. to hone his hacking skills. The company has a Windows-based network. Jason successfully enters the target system remotely by using the advantage of vulnerability. He places a Trojan to maintain future access and then disconnects the remote session. The employees of the company complain to Mark, who works as a Professional Ethical Hacker for DataSoft Inc., that some computers are very slow. Mark diagnoses the network and finds that some irrelevant log files and signs of Trojans are present on the computers. He suspects that a malicious hacker has accessed the network. Mark takes the help from Forensic Investigators and catches Jason.
Which of the following mistakes made by Jason helped the Forensic Investigators catch him?

You work as an Incident handling manager for a company. The public relations process of the company includes an event that responds to the e-mails queries. But since few days, it is identified that this process is providing a way to spammers to perform different types of e-mail attacks. Which of the following phases of the Incident handling process will now be involved in resolving this process and find a solution?
Each correct answer represents a part of the solution. Choose all that apply.

Which of the following penetration testing phases involves gathering data from whois, DNS, and network scanning, which helps in mapping a target network and provides valuable information regarding the operating system and applications running on the systems?