Q. ____________ work in background & keeps on downloading other malicious programs when the system is online.

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Q. A/an ___________ is a program that steals your logins & passwords for instant messaging applications.

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Q. _____________ can modify data on your system – so that your system doesn’t run correctly or you can no longer access specific data, or it may even ask for ransom in order to give your access.

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Q. The ______________ can cost you money, by sending text messages from your mobile phone numbers.

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Q. Trojan-Spy programs can keep an eye on how you are using your system.

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Q. A ___________ is a method in which a computer security mechanism is bypassed untraceable for accessing the computer or its information.

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Q. A _________________ may be a hidden part of a program, a separate infected program a Trojan in disguise of an executable or code in the firmware of any system’s hardware.

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Q. Backdoors cannot be designed as ______________

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Q. Trojans having backdoors are harmless.

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Q. The threat of backdoors started when ____________ & ____________ OSs became widely accepted.

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Q. Backdoors are also known as ______________

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Q. __________ is a powerful RAT build using the language Delphi 7.

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Q. Which of the following is a remote Trojan?

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Q. A ___________ consists of at least one bot server or controller and one or more client-bots.

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Q. Botnets are managed by ______________

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Q. A _____________ is a number of Internet-connected systems, where each of them is running one or more bots.

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Q. _____________ are implemented to carry out distributed DDoS attacks, steal data, send spam messages & permits the hacker to access various devices & its connection.

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Q. Botnets are not used for ______________

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Q. The owner of botnets can control the botnet using ___________________ software.

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Q. The full form of C&C is ____________

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