Q. ________________ enables a hacker to open a piece of program or application and re-build it with further features & capabilities.

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Q. Which of the following do not comes under the intangible skills of hackers?

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Q. Why programming language is important for ethical hackers and security professionals?

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Q. Understanding of ___________ is also important for gaining access to a system through networks.

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Q. For hacking a database or accessing and manipulating data which of the following language the hacker must know?

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Q. Information Gathering about the system or the person or about organization or network is not important.

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Q. ________________ is an ethical hacking technique used for determining what operating system (OS) is running on a remote computer.

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Q. How many types of fingerprinting are there in ethical hacking?

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Q. _______________________ is gained if you send especially skilled packets to a target machine.

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Q. _______________________ is based on sniffer traces from the remote system.

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Q. How many basic elements are there for OS fingerprinting?

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Q. Which of the following do not comes under the important element of OS fingerprinting?

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Q. By analyzing the factors like TTL, DF bits, Window Size and TOS of a packet, an ethical hacker may verify the operating system remotely.

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Q. ______________ is a common tool used for doing OS fingerprinting.

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Q. To secure your system from such type of attack, you have to hide your system behind any VPN or proxy server.

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Q. A _____________ is a network scanning practice through which hackers can use to conclude to a point which IP address from a list of IP addresses is mapping to live hosts.

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Q. Ping sweep is also known as ________________

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Q. The _____________ command is used on Linux for getting the DNS and host-related information.

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Q. ___________________ is the method used to locate all the DNS-servers and their associated records for an organization.

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Q. Which of the following operations DNSenum cannot perform?

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