Your IT security team is responding to a denial of service attack against your server. They have taken measures to block offending IP addresses. Which type of threat control is this?

Which of the following are the types of intrusion detection systems?
Each correct answer represents a complete solution. Choose all that apply.

Which of the following statements about the availability concept of Information security management is true?

Which of the following ports is the default port for Layer 2 Tunneling Protocol (L2TP) ?

You work as a Network Administrator for World Perfect Inc. The company has a Linux-based network. You have configured a Linux Web server on the network. A user complains that the Web server is not responding to requests. The process list on the server shows multiple instances of the HTTPD process.
You are required to stop the Web service. Which of the following commands will you use to resolve the issue?