Deck 8: Securing Information Systems

Question 1

SSL is a protocol used to establish a secure connection between two computers.

Answer 1

True

Question 2

Sniffers enable hackers to steal proprietary information from anywhere on a network,including e-mail messages,company files,and confidential reports.

Answer 2

True

Question 3

In a walkthrough,hackers are able to bypass security controls of a system with little opposition.

Answer 3

False

Question 4

A drive-by download is a technique used by hackers to enable accessing files on a wireless network.

Question 5

Computer worms spread much more rapidly than computer viruses.

Question 6

High-availability computing is also referred to as fault tolerance.

Question 7

NAT conceals the IP addresses of the organization's internal host computers to deter sniffer programs.

Question 8

An acceptable use policy defines the acceptable level of access to information assets for different users.

Question 9

Public key encryption uses two keys.

Question 10

Wireless networks are vulnerable to penetration because radio frequency bands are easy to scan.

Question 11

DoS attacks are used to destroy information and access restricted areas of a company's information system.

Question 12

Mobile devices are not targeted as extensively by malware as traditional computers.

Question 13

Unauthorized access is a security challenge that is most likely to occur in a network at the point of client computers.

Question 14

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.

Question 15

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.

Question 16

Packet filtering catches most types of network attacks.

Question 17

Biometric authentication is the use of physical characteristics such as retinal images to provide identification.

Question 18

Computers using cable modems to connect to the Internet are more open to penetration than those connecting via dial-up.

Question 19

A Trojan horse is a software program that appears to be benign but then does something other than expected.

Question 20

Viruses can be spread through e-mail.

Question 21

Controls refers to the policies,procedures,and technical measures used to prevent unauthorized access,alteration,theft,or physical damage to information systems.

Question 22

Which of the following is not one of the challenges in securing wireless networks?

A) broadcasted SSIDs
B) scannability of radio frequency bands
C) SQL injection attacks
D) geographic range of wireless signals

Question 23

________ refers to all of the methods,policies,and organizational procedures that ensure the safety of the organization's assets,the accuracy and reliability of its accounting records,and operational adherence to management standards.

A) "Legacy systems"
B) "SSID standards"
C) "Vulnerabilities"
D) "Controls"

Question 24

The Internet poses specific security problems because

A) it was designed to be easily accessible.
B) Internet data is not run over secure lines.
C) Internet standards are universal.
D) it changes so rapidly.

Question 25

A salesperson clicks repeatedly on the online ads of a competitor's in order to drive the competitor's advertising costs up.This is an example of

A) phishing.
B) pharming.
C) spoofing.
D) click fraud.

Question 26

Cyber vandalism occurs when an individual or computer program fraudulently clicks on an online ad without any intention of learning more about the advertiser or making a purchase.

Question 27

Pharming redirects users to a bogus Web page,even when the individual types the correct Web page address into his or her browser.

Question 28

Inputting data into a poorly programmed Web form in order to disrupt a company's systems and networks is called

A) a Trojan horse.
B) an SQL injection attack.
C) key logging.
D) a DDoS attack.

Question 29

Security are methods,policies,and organizational procedures that ensure the safety of the organization's assets,the accuracy and reliability of its records,and operational adherence to management standards.

Question 30

________ refers to policies,procedures,and technical measures used to prevent unauthorized access,alternation,theft,or physical damage to information systems.

A) "Security"
B) "Controls"
C) "Benchmarking"
D) "Algorithms"

Question 31

An independent computer program that copies itself from one computer to another over a network is called a

A) worm.
B) Trojan horse.
C) bug.
D) pest.

Question 32

Wireless networks in many locations do not have basic protections against war driving in which eavesdroppers drive by buildings or park outside and try to intercept wireless network traffic.

Question 33

A computer virus is a rogue software program that attaches itself to other software programs or data files in order to be executed,usually without user knowledge or permission.

Question 34

A hacker is an individual who intends to gain unauthorized access to a computer system.

Question 35

Digital Warfare is a state-sponsored activity designed to cripple and defeat another state or nation by penetrating its computers or networks for the purposes of causing damage and disruption

Question 36

All of the following are methods of ensuring software quality except for

A) systems analysis.
B) walkthroughs.
C) software testing.
D) internal corporate back-end system.

Question 37

Electronic data are more susceptible to destruction,fraud,error,and misuse because information systems concentrate data in computer files that

A) are usually bound up in legacy systems that are difficult to access and difficult to correct in case of error.
B) are not secure because the technology to secure them did not exist at the time the files were created.
C) have the potential to be accessed by large numbers of people and by groups outside of the organization.
D) are frequently available on the Internet.

Question 38

Cyber vandalism is the intentional disruption,defacement,or even destruction of a Web site or corporate information system.

Question 39

Which of the following statements about the Internet security is not true?

A) The use of P2P networks can expose a corporate computer to outsiders.
B) A corporate network without access to the Internet is more secure than one provides access.
C) VoIP is more secure than the switched voice network.
D) Instant messaging can provide hackers access to an otherwise secure network.

Question 40

Sniffing is a security challenge that is most likely to occur in which of the following points of a corporate network?

A) client computer
B) communications lines
C) corporate servers
D) internal corporate back-end system

Question 41

A(n)________ system is used to identify and authorize different categories of system users and specify which portions of the organization's systems each user can access.

A) identity management
B) AUP
C) authentication
D) firewall

Question 42

Using numerous computers to inundate and overwhelm the network from numerous launch points is called a(n)________ attack.

A) DDoS
B) DoS
C) SQL injection
D) phishing

Question 43

Tricking employees to reveal their passwords by pretending to be a legitimate member of a company is called

A) sniffing.
B) social engineering.
C) phishing.
D) pharming.

Question 44

The Sarbanes-Oxley Act

A) requires financial institutions to ensure the security of customer data.
B) specifies best practices in information systems security and control.
C) imposes responsibility on companies and management to safeguard the accuracy of financial information.
D) outlines medical security and privacy rules.

Question 45

Hackers create a botnet by

A) infecting Web search bots with malware.
B) using Web search bots to infect other computers.
C) causing other people's computers to become "zombie" PCs following a master computer.
D) infecting corporate servers with "zombie" Trojan horses that allow undetected access through a back door.

Question 46

Analysis of an information system that rates the likelihood of a security incident occurring and its cost is included in a(n)

A) security policy.
B) AUP.
C) risk assessment.
D) business impact analysis.

Question 47

You have been hired as a security consultant for a law firm.Which of the following constitutes the greatest source of security threats to the firm?

A) wireless network
B) employees
C) authentication procedures
D) lack of data encryption

Question 48

In 2004,ICQ users were enticed by a sales message from a supposed anti-virus vendor.On the vendor's site,a small program called Mitglieder was downloaded to the user's machine.The program enabled outsiders to infiltrate the user's machine.What type of malware is this an example of?

A) Trojan horse
B) virus
C) worm
D) spyware

Question 49

The most common type of electronic evidence is

A) voice-mail.
B) spreadsheets.
C) instant messages.
D) e-mail.

Question 50

Redirecting a Web link to a different address is a form of

A) snooping.
B) spoofing.
C) sniffing.
D) war driving.

Question 51

Pharming involves

A) redirecting users to a fraudulent Web site even when the user has typed in the correct address in the Web browser.
B) pretending to be a legitimate business's representative in order to garner information about a security system.
C) setting up fake Web sites to ask users for confidential information.
D) using e-mails for threats or harassment.

Question 52

________ controls ensure that valuable business data files on either disk or tape are not subject to unauthorized access,change,or destruction while they are in use or in storage.

A) Software
B) Administrative
C) Data security
D) Implementation

Question 53

Evil twins are

A) Trojan horses that appears to the user to be a legitimate commercial software application.
B) e-mail messages that mimic the e-mail messages of a legitimate business.
C) fraudulent Web sites that mimic a legitimate business's Web site.
D) bogus wireless network access points that look legitimate to users.

Question 54

How do software vendors correct flaws in their software after it has been distributed?

A) issue bug fixes
B) issue patches
C) re-release software
D) issue updated versions

Question 55

Which of the following is not an example of a computer used as a target of crime?

A) knowingly accessing a protected computer to commit fraud
B) accessing a computer system without authority
C) illegally accessing stored electronic communication
D) threatening to cause damage to a protected computer

Question 56

Application controls

A) can be classified as input controls, processing controls, and output controls.
B) govern the design, security, and use of computer programs and the security of data files in general throughout the organization.
C) apply to all computerized applications and consist of a combination of hardware, software, and manual procedures that create an overall control environment.
D) include software controls, computer operations controls, and implementation controls.

Question 57

An example of phishing is

A) setting up bogus Wi-Fi hot spots.
B) setting up a fake medical Web site that asks users for confidential information.
C) pretending to be a utility company's employee in order to garner information from that company about their security system.
D) sending bulk e-mail that asks for financial aid under a false pretext.

Question 58

Electronic evidence on computer storage media that is not visible to the average user is called ________ data.

A) defragmented
B) ambient
C) forensic
D) fragmented

Question 59

A keylogger is a type of

A) worm.
B) Trojan horse.
C) virus.
D) spyware.

Question 60

Which of the following is not an example of a computer used as an instrument of crime?

A) theft of trade secrets
B) intentionally attempting to intercept electronic communication
C) unauthorized copying of software
D) breaching the confidentiality of protected computerized data

Question 61

Currently,the protocols used for secure information transfer over the Internet are

A) TCP/IP and SSL.
B) S-HTTP and CA.
C) HTTP and TCP/IP.
D) SSL, TLS, and S-HTTP.

Question 62

___________________________ ensure that computer hardware is physically secure and check for equipment malfunction.

A) Software controls
B) Hardware controls
C) Computer operations controls
D) Data security controls

Question 63

Which of the following is not one of the main firewall screening techniques?

A) application proxy filtering
B) static packet filtering
C) NAT
D) secure socket filtering

Question 64

Rigorous password systems

A) are one of the most effective security tools.
B) may hinder employee productivity.
C) are costly to implement.
D) are often disregarded by employees.

Question 65

The development and use of methods to make computer systems resume their activities more quickly after mishaps is called

A) high availability computing.
B) recovery oriented computing.
C) fault tolerant computing.
D) disaster recovery planning.

Question 66

Which of the following is not a trait used for identification in biometric systems?

A) retinal image
B) voice
C) hair color
D) face

Question 67

A digital certificate system

A) uses third-party CAs to validate a user's identity.
B) uses digital signatures to validate a user's identity.
C) uses tokens to validate a user's identity.
D) is used primarily by individuals for personal correspondence.

Question 68

A ___________________________ is typically used to denote a hacker with criminal intent.

A) hacker
B) cracker
C) fracker
D) jacker

Question 69

In controlling network traffic to minimize slow-downs,a technology called ________ is used to examine data files and sort low-priority data from high-priority data.

A) high availability computing
B) deep-packet inspection
C) application proxy filtering
D) stateful inspection

Question 70

A firewall allows the organization to

A) prevent unauthorized communication both into and out of the network.
B) monitor network hot spots for signs of intruders.
C) prevent known spyware and malware from entering the system.
D) all of the above.

Question 71

Smaller firms may outsource some or many security functions to

A) ISPs.
B) MISs.
C) MSSPs.
D) CAs.

Question 72

Most antivirus software is effective against

A) only those viruses active on the Internet and through e-mail.
B) any virus.
C) any virus except those in wireless communications applications.
D) only those viruses already known when the software is written.

Question 73

For 100% availability,online transaction processing requires

A) high-capacity storage.
B) a multi-tier server network.
C) fault-tolerant computer systems.
D) dedicated phone lines.

Question 74

In which technique are network communications analyzed to see whether packets are part of an ongoing dialogue between a sender and a receiver?

A) stateful inspection
B) intrusion detection system
C) application proxy filtering
D) packet filtering

Question 75

An authentication token is a(n)

A) device the size of a credit card that contains access permission data.
B) type of smart card.
C) gadget that displays passcodes.
D) electronic marker attached to a digital authorization file.

Question 76

A ___________________________ is typically used to denote a hacker with criminal intent.

A) Software controls
B) Hardware controls
C) Computer operations controls
D) Data security controls

Question 77

In which method of encryption is a single encryption key sent to the receiver so both sender and receiver share the same key?

A) SSL
B) symmetric key encryption
C) public key encryption
D) private key encryption

Question 78

Downtime refers to periods of time in which a

A) computer system is malfunctioning.
B) computer system is not operational.
C) company or organization is not operational.
D) computer is not online.

Question 79

A ___________________________ is an individual who intends to gain unauthorized access to a computer system.

A) hacker
B) cracker
C) fracker
D) jacker

Question 80

Which of the following is the greatest threat that employees pose to an organization's information systems?

A) forgetting passwords
B) lack of knowledge
C) entering faulty data
D) introducing software errors