IS Chapter 8 T/F

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