You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based network. An attacker uses software that keeps trying password combinations until the correct password is found. Which type of attack is this?

• A.Vulnerability
• B.Brute Force
• C.Denial-of-Service
• D.Man-in-the-middle

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Which of the following is a computer worm that caused a denial of service on some Internet hosts and dramatically slowed down general Internet traffic?

• A.Code red
• B.Beast
• C.Klez
• D.SQL Slammer

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You are hired as a Database Administrator for Jennifer Shopping Cart Inc. You monitor the server health through the System Monitor and found that there is a sudden increase in the number of logins.
Which of the following types of attack has occurred?

• A.Injection
• B.Virus
• C.Worm
• D.Denial-of-service

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Which of the following is a reason to implement security logging on a DNS server?

• A.For preventing malware attacks on a DNS server
• B.For measuring a DNS server's performance
• C.For monitoring unauthorized zone transfer
• D.For recording the number of queries resolved

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Which of the following statements about threats are true?
Each correct answer represents a complete solution. Choose all that apply.

• A.A threat is a weakness or lack of safeguard that can be exploited by vulnerability, thus causing harm to the information systems or networks.
• B.A threat is a potential for violation of security which exists when there is a circumstance, capability, action, or event that could breach security and cause harm.
• C.A threat is a sequence of circumstances and events that allows a human or other agent to cause an information-related misfortune by exploiting vulnerability in an IT product.
• D.A threat is any circumstance or event with the potential of causing harm to a system in the form of destruction, disclosure, modification of data, or denial of service.

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