Online Access Free 1D0-571 Exam Questions

You have discovered that the ls, su and ps commands no longer function as expected.
They do not return information in a manner similar to any other Linux system. Also, the implementation of Tripwire you have installed on this server is returning new hash values.
Which of the following has most likely occurred?

• A.A trojan has attacked the system.
• B.A root kit has been installed on the system.
• C.A SQL injection attack has occurred.
• D.A spyware application has been installed.

You are creating an information security policy for your company. Which of the following activities will help you focus on creating policies for the most important resources?

• A.Auditing the firewall
• B.Classifying systems
• C.Implementing non-repudiation
• D.Logging users

At the beginning of an IPsec session, which activity occurs during the Internet Key Exchange (IKE)?

• A.Determining the network identification number
• B.Determining the number of security associations
• C.Negotiating the version of IP to be used
• D.Negotiating the authentication method

At what layer of the OSI/RM does a packet filter operate?

• A.Layer 3
• B.Layer 1
• C.Layer 7
• D.Layer 5

You have determined that the company Web server has several vulnerabilities, including a buffer overflow that has resulted in an attack. The Web server uses PHP and has direct connections to an Oracle database server. It also uses many CGI scripts. Which of the following is the most effective way to respond to this attack?

• A.Using the GET method instead of the POST method for a Web form
• B.Installing an intrusion detection service to monitor logins
• C.Installing software updates for the Web server daemon
• D.Using the POST method instead of the GET method for a Web form