IS Chapter 8 T/F
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Fault-tolerant computers contain redundant hardware, software, and power supply components. T/F
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True
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NAT conceals the IP addresses of the organization's internal host computers to deter sniffer programs. - True - False
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True
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SSL is a protocol used to establish a secure connection between two computers. - True - False
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True (Secure Sockets Layer)
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Biometric authentication is the use of physical characteristics such as retinal images to provide identification. - True - False
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False (uses systems that read and interpret individual human traits such as fingerprints in order to grant or deny access)
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Public key encryption uses two keys. - True - False
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True
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The most economically damaging kinds of computer crime are e-mail viruses. - True - False
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False
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An acceptable use policy defines the acceptable level of access to information assets for different users. - True - False
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False (defines acceptable uses of the firms information resources and computing equipment including desktop...)
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Computers using cable modems to connect to the Internet are more open to penetration than those connecting via dial-up. - True - False
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True
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The potential for unauthorized access is usually limited to the communications lines of a network. - True - False
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False
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High-availability computing is also referred to as fault tolerance. - True - False
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False
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Computer worms spread much more rapidly than computer viruses. - True - False
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True
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The range of Wi-Fi networks can be extended up to two miles by using external antennae. - True - False
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False
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One form of spoofing involves forging the return address on an e-mail so that the e-mail message appears to come from someone other than the sender. T/F
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True
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Zero defects cannot be achieved in larger software programs because fully testing programs that contain thousands of choices and millions of paths would require thousands of years. T/F
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True
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Smartphones have the same security flaws as other Internet-connected devices. T/F
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True
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In 2013, the security firm McAfee identified approximately 35,000 kinds of mobile malware. T/F
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True
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The term cracker is used to identify a hacker whose specialty is breaking open security systems. T/F
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False
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To secure mobile devices, a company will need to implement special mobile device management software. T/F
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True
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The distributed nature of cloud computing makes it somewhat easier to track unauthorized access. T/F
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False
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Over 70 percent of malware today is aimed at small businesses.
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False
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Malicious software programs referred to as spyware include a variety of threats such as computer viruses, worms, and Trojan horses.
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False (referred to as malware)
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Authorization refers to the ability to know that a person is who he or she claims to be.
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False (authentication)
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Wireless networks are vulnerable to penetration because radio frequency bands are easy to scan. - True - False
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TRUE
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Sniffers enable hackers to steal proprietary information from anywhere on a network, including e-mail messages, company files, and confidential reports. - True - False
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TRUE
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A drive-by download is a technique used by hackers to enable accessing files on a wireless network. T/F
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FALSE
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Mobile devices are not targeted as extensively by malware as traditional computers. T/F
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TRUE
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A Trojan horse is a software program that appears to be benign but then does something other than expected. T/F
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TRUE
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DoS attacks are used to destroy information and access restricted areas of a company's information system. T/F
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FALSE
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In a walkthrough, hackers are able to bypass security controls of a system with little opposition. T/F
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FALSE
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Unauthorized access is a security challenge that is most likely to occur in a network at the point of client computers. T/F
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TRUE
