Maria works as a professional Ethical Hacker. She is assigned a project to test the security of www.we-are-secure.com. She wants to test a DoS attack on the We-are-secure server. She finds that the firewall of the server is blocking the ICMP messages, but it is not checking the UDP packets. Therefore, she sends a large amount of UDP echo request traffic to the IP broadcast addresses. These UDP requests have a spoofed source address of the We-are-secure server.
Which of the following DoS attacks is Maria using to accomplish her task?

Correct Answer:B

Ryan, a malicious hacker submits Cross-Site Scripting (XSS) exploit code to the Website of Internet forum for online discussion. When a user visits the infected Web page, code gets automatically executed and Ryan can easily perform acts like account hijacking, history theft etc. Which of the following types of Cross-Site Scripting attack Ryan intends to do?

Correct Answer:B

Which of the following attacks is also known as the bucket-brigade attack?

Correct Answer:C

Which of the following is an asymmetric encryption algorithm?

Correct Answer:C

You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based network.
A branch office is connected to the headquarters through a T1 line. Users at the branch office report poor voice quality on the IP phone while communicating with the headquarters. You find that an application, named WorkReport, at the branch office is suffocating bandwidth by sending large packets for file synchronization. You need to improve the voice quality on the IP phone. Which of the following steps will you choose to accomplish this?

Correct Answer:D

Which of the following is the default port for DNS zone transfer?

Correct Answer:D