Information Systems and Computer Applications CLEP Prep Practice Exam

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Prepare for the CLEP Information Systems & Computer Applications Exam with flashcards and multiple-choice questions. Each question comes with hints and explanations to help you succeed. Master the content and pass your exam!

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What is a firewall?

  1. A program used to access the Internet

  2. A type of computer memory

  3. A set of rules governing access to a computer or network

  4. An Internet service provider

The correct answer is: A set of rules governing access to a computer or network

A firewall is a security measure that controls incoming and outgoing network traffic based on a set of predefined rules. It acts as a barrier between a trusted internal network and an untrusted external network, such as the Internet. Option A, a program used to access the Internet, is incorrect because a firewall itself is not used to access the Internet, but rather helps control access to it. Option B, a type of computer memory, is incorrect because while a firewall may be stored in a computer's memory, it is not a type of memory itself. Option D, an Internet service provider, is incorrect because an ISP is a company that provides internet services, while a firewall is a security feature.

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