Question 336
A Denial-of-Service (DoS) attack is mounted with the objective of causing a negative impact on the performance of a computer or network. It is also known as network saturation attack or bandwidth consumption attack. Attackers perform DoS attacks by sending a large number of protocol packets to a network. The problems caused by a DoS attack are as follows:
l Saturation of network resources
l Disruption of connections between two computers, thereby preventing communications between
services
l Disruption of services to a specific computer
l Failure to access a Web site
l Increase in the amount of spam
Which of the following can be used as countermeasures against DoS attacks?
Each correct answer represents a complete solution. Choose all that apply.
Question 337
Which of the following types of malware does not replicate itself but can spread only when the circumstances are beneficial?
Question 338
Maria works as a professional Ethical Hacker. She has been assigned the project of testing the security of www.gentech.com. She is using dumpster diving to gather information about Gentech Inc.
In which of the following steps of malicious hacking does dumpster diving come under?
Question 339
Which of the following is the process of comparing cryptographic hash functions of system executables and configuration files?
Question 340
Against which of the following does SSH provide protection?
Each correct answer represents a complete solution. Choose two.