Which of the following types of malware does not replicate itself but can spread only when the
circumstances are beneficial?

• A.Mass mailer
• B.Trojan horse
• C.Worm
• D.Blended threat

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Mark works as a Network Administrator for NetTech Inc. The network has 150 Windows 2000 Professional client
computers and four Windows 2000 servers. All the client computers are able to connect to the Internet. Mark is
concerned about malware infecting the client computers through the Internet. What will Mark do to protect the client
computers from malware?
Each correct answer represents a complete solution. Choose two.

• A.Assign Read-Only permission to the users for accessing the hard disk drives of the client computers.
• B.Educate users of the client computers to avoid malware.
• C.Educate users of the client computers about the problems arising due to malware.
• D.Prevent users of the client computers from executing any programs.

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John works as a Network Security Professional. He is assigned a project to test the security of www.we-are-secure.com. He establishes a connection to a target host running a Web service with netcat and sends a bad html request in order to retrieve information about the service on the host.

Which of the following attacks is John using?

• A.Sniffing
• B.Eavesdropping
• C.War driving
• D.Banner grabbing

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Which of the following types of attacks is often performed by looking surreptitiously at the keyboard or monitor of an employee's computer?

• A.Man-in-the-middle attack
• B.Buffer-overflow attack
• C.Denial-of-Service (DoS) attack
• D.Shoulder surfing attack

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Which of the following viruses/worms uses the buffer overflow attack?

• A.Chernobyl (CIH) virus
• B.Nimda virus
• C.Klez worm
• D.Code red worm

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