Which of the following programs can be used to detect stealth port scans performed by a malicious hacker?
Each correct answer represents a complete solution. Choose all that apply.

• A.nmap
• B.scanlogd
• C.libnids
• D.portsentry

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Which of the following characters will you use to check whether an application is vulnerable to an SQL injection attack?

• A.Dash (-)
• B.Double quote (")
• C.Single quote (')
• D.Semi colon (;)

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You run the following command while using Nikto Web scanner:
perl nikto.pl -h 192.168.0.1 -p 443
What action do you want to perform?

• A.Updating Nikto
• B.Seting Nikto for network sniffing
• C.Using it as a proxy server
• D.Port scanning

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John works as a professional Ethical Hacker. He is assigned a project to test the security of www.weare- secure.com. He enters a single quote in the input field of the login page of the We-are-secure Web site and receives the following error message:
Microsoft OLE DB Provider for ODBC Drivers error '0x80040E14'
This error message shows that the We-are-secure Website is vulnerable to __________.

• A.A buffer overflow
• B.A Denial-of-Service attack
• C.A SQL injection attack
• D.An XSS attack

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In which of the following scanning methods do Windows operating systems send only RST packets irrespective of whether the port is open or closed?

• A.TCP SYN
• B.TCP FIN
• C.XMAS
• D.FTP bounce

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