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Business Data Networks and Security, 11e (Panko)
Chapter 4 Network Security

1) The Target attackers probably first broke into Target using the credentials of a(n) ________.
A) low-level Target employee
B) Target IT employee
C) Target security employee
D) employee in a firm outside Target
Answer: D
Difficulty: Basic
Question: 1a
Objective: Describe the threat environment.
AACSB: Applying Information Technology

2) How did the Target attackers obtain the stolen information?
A) Directly from the POS terminals
B) From the vendor service server
C) From the POS software download server
D) none of the above.
Answer: D
Difficulty: Deeper
Question: 1c
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

3) The Target attackers sold stolen card information to ________.
A) crimeware shops
B) card shops
C) card counterfeiters
D) all of the above
Answer: B
Difficulty: Basic
Question: 1c
Objective: Describe the threat environment.
AACSB: Applying Information Technology

4) Which of the following probably suffered the most financial damage from the Target breach?
A) Target
B) banks
C) consumers
D) retailers
Answer: D
Difficulty: Basic
Question: 2a
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

5) Which of the following were able to recoup most of the money they lost from Target?
A) credit card companies
B) retailers
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 2b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

6) For consumers who suffered credit card fraud because of the Target breach and acted quickly, which of the following is true?
A) They received no compensation.
B) They received compensation from Target.
C) The credit card companies did not charge them for fraudulent purchasers.
D) The United States Treasury compensated them from an insurance fund.
Answer: C
Difficulty: Basic
Question: 2c
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

7) In ________ thinking, the opponent is primarily an intelligent attacker.
A) networking
B) security
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 3
Objective: Describe the threat environment.
AACSB: Applying Information Technology

8) The general term for evil software is ________.
A) virus
B) worm
C) malware
D) all of the above
Answer: C
Difficulty: Basic
Question: 4a
Objective: Describe the threat environment.
AACSB: Applying Information Technology
9) ________ is the most frequent type of company attack.
A) DoS
B) Hacking
C) Ransomware
D) Malware
Answer: D
Difficulty: Basic
Question: 4b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

10) ________ is the general name for a security flaw in a program.
A) A virus
B) Malware
C) A security fault
D) A vulnerability
Answer: D
Difficulty: Basic
Question: 5a
Objective: Describe the threat environment.
AACSB: Applying Information Technology

11) ________ is a flaw in a program that permits a specific attack or set of attacks.
A) Malware
B) A security error
C) A vulnerability
D) A security fault
Answer: C
Difficulty: Basic
Question: 5a
Objective: Describe the threat environment.
AACSB: Applying Information Technology

12) Users typically can eliminate a vulnerability in one of their programs by ________.
A) installing a patch
B) using an antivirus program
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Deeper
Question: 5b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
13) Vulnerability-based attacks that occur before a patch is available are called ________ attacks.
A) indefensible
B) stealth
C) malware
D) zero-day
Answer: D
Difficulty: Basic
Question: 5c
Objective: Describe the threat environment.
AACSB: Applying Information Technology

14) What kind of attack is most likely to succeed against a system with no technological vulnerabilities?
A) malware
B) social engineering
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 6a
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

15) A spear phishing attack is usually aimed at ________.
A) an individual
B) a group
C) everyone
D) all of the above
Answer: A
Difficulty: Basic
Question: 6c
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

16) ________ are full programs.
A) Viruses
B) Worms
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 7a
Objective: Describe the threat environment.
AACSB: Applying Information Technology
17) Which of the following attach themselves to other programs?
A) viruses
B) worms
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 7a
Objective: Describe the threat environment.
AACSB: Applying Information Technology

18) Viruses and worms propagate through ________.
A) social engineering
B) exploiting vulnerabilities
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 7b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

19) Which of the following sometimes uses direct propagation between computers?
A) viruses
B) worms
C) Trojan horses
D) downloaders
Answer: B
Difficulty: Basic
Question: 7c
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

20) Which of the following can spread very rapidly?
A) directly-propagating viruses
B) directly-propagating worms
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 7d
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge
21) Malware programs that masquerade as system files are called ________.
A) viruses
B) scripts
C) root malware
D) Trojan horses
Answer: D
Difficulty: Basic
Question: 7e
Objective: Describe the threat environment.
AACSB: Applying Information Technology

22) Trojan horses can spread by ________.
A) e-mailing themselves to victim computers
B) directly propagating to victim computers
C) both A and B
D) neither A nor B
Answer: D
Difficulty: Deeper
Question: 7f
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

23) Pieces of code that are executed after the virus or worm has spread are called ________.
A) vulnerabilities
B) exploits
C) compromises
D) payloads
Answer: D
Difficulty: Basic
Question: 8a
Objective: Describe the threat environment.
AACSB: Applying Information Technology

24) In a ________ attack, the attacker encrypts some or all of the victim’s hard drive.
A) virus
B) DoS
C) ransom
D) lock
Answer: C
Difficulty: Basic
Question: 8b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge
25) ________ is the general name for malware on a user’s PC that collects sensitive information and sends this information to an attacker.
A) A keystroke logger
B) Anti-privacy software
C) Spyware
D) Data mining software
Answer: C
Difficulty: Deeper
Question: 8c
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

26) ________ is a program that can capture passwords as you enter them.
A) A keystroke logger
B) Data mining software
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 8d
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

27) In which type of attack does the attacker gather extensive sensitive personal information about its victim?
A) identity theft
B) credit card number theft
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 8e
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

28) Which is more harmful to the victim?
A) identity theft
B) credit card number theft
C) both A and B are about equally harmful
Answer: A
Difficulty: Basic
Question: 8f
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

29) Hacking is defined as using a computer resource without authorization or in excess of authorization.
Answer: FALSE
Difficulty: Deeper
Question: 9a
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
30) Which of the following meets the definition of hacking?
A) to intentionally use a computer resource without authorization
B) to intentionally use a computer on which you have an account but use it for unauthorized purposes
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 9b
Objective: Describe the threat environment.
AACSB: Applying Information Technology

31) If you see a username and password on a Post-It note that anyone can see on a monitor, is it hacking if you use this information to log in?
A) yes
B) no
C) We cannot say from the information given.
Answer: A
Difficulty: Basic
Question: 9b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

32) You accidentally discover that you can get into other e-mail accounts after you have logged in under your account and only spend a few minutes looking at another user’s mail. Is that hacking?
A) yes
B) no
C) We cannot say from the information given.
Answer: A
Difficulty: Deeper
Question: 9c
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

33) You click on a link expecting to go to a legitimate website but are directed to a website that contains information you are not authorized to see. You exit without looking around. is that hacking?
A) yes
B) no
C) We cannot say from the information given.
Answer: B
Difficulty: Deeper
Question: 9d
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
34) You are concerned with the security of a site you use and run a vulnerability test against it. The test reveals a security threat. Is this hacking?
A) yes
B) no
C) We cannot say from the information given.
Answer: A
Difficulty: Deeper
Question: 9d
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

35) DoS attacks attempt to ________.
A) hack a computer
B) reduce the availability of a computer
C) steal information from a computer
D) delete files on a computer
Answer: B
Difficulty: Basic
Question: 10a
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

36) In a DDoS attack, a ________ sends messages directly to the victim.
A) botmaster
B) bot
C) command and control server
D) all of the above
Answer: B
Difficulty: Deeper
Question: 10b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

37) Attack programs that can be remotely controlled by an attacker are ________.
A) bots
B) sock puppets
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 10c
Objective: Describe the threat environment.
AACSB: Applying Information Technology
38) In distributed DoS attacks, the attacker sends messages directly to ________.
A) bots
B) the intended victim of the DoS attack
C) a DOS server
D) none of the above
Answer: D
Difficulty: Deeper
Question: 10e
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

39) Which of the following can be upgraded after it is installed on a victim computer (choose the most specific answer)?
A) Trojan horses
B) bots
C) viruses
D) worms
Answer: B
Difficulty: Basic
Question: 10f
Objective: Describe the threat environment.
AACSB: Applying Information Technology

40) Advanced persistent threats are ________.
A) inexpensive for the attacker
B) extremely dangerous for the victim
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 11a
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

41) ________ attacks typically extend over a period of months.
A) DDoS
B) Malware
C) APT
D) Spear phishing
Answer: C
Difficulty: Basic
Question: 11b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge
42) Who mounts APTs today?
A) national governments
B) cybercriminals
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Deeper
Question: 11d
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

43) What type of attacker are most attackers today?
A) disgruntled employees and ex-employees
B) career criminals
C) hackers motivated by a sense of power
D) cyberterrorists
Answer: B
Difficulty: Basic
Question: 12a
Objective: Describe the threat environment.
AACSB: Applying Information Technology

44) ________ attackers are often well-funded.
A) Disgruntled employee
B) Cybercriminal
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 12b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

45) Employees often attack ________.
A) for revenge
B) for money
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 13a
Objective: Describe the threat environment.
AACSB: Applying Information Technology
46) Why are employees especially dangerous?
A) They are technically sophisticated.
B) They are trusted.
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Deeper
Question: 13b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

47) Who are the most dangerous types of employees?
A) financial employees
B) manufacturing employees
C) IT security employees
D) former employees
Answer: C
Difficulty: Basic
Question: 13c
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

48) In general, what should an employer do whenever an employee leaves the firm?
A) Their accounts should be disabled instantly
B) They should be given no prior notice that they are being released
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Deeper
Question: 13e
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

49) In terms of security thinking, “insiders” include ________.
A) employees
B) many contractors working for the company
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 13f
Objective: Describe the threat environment.
AACSB: Applying Information Technology
50) Cyberwar attacks are made by ________.
A) major cybercriminal gangs
B) national governments
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 15a
Objective: Describe the threat environment.
AACSB: Applying Information Technology

51) In general, what type of attackers do the most damage?
A) criminal attackers
B) hackers driven by curiosity
C) employees and ex-employees
D) national governments
Answer: D
Difficulty: Basic
Question: 15b
Objective: Describe the threat environment.
AACSB: Applying Information Technology, Application of Knowledge

52) Using encryption, you make it impossible for attackers to read your messages even if they intercept them. This is ________.
A) authentication
B) confidentiality
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 16a
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology

53) A specific encryption method is called a ________.
A) code
B) schema
C) key method
D) cipher
Answer: D
Difficulty: Deeper
Question: 16b
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
54) In encryption, what must be kept secret?
A) the cipher
B) the key
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Deeper
Question: 16c
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

55) In most encryption, keys must be at least ________ long to be considered safe.
A) 128 bits
B) 128 bytes
C) 1,280 bits
D) 1,280 bytes
Answer: A
Difficulty: Deeper
Question: 16d
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

56) Electronic signatures provide message-by-message ________.
A) authentication
B) confidentiality
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Deeper
Question: 17a
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

57) Electronic signatures also provide ________ in addition to authentication.
A) message integrity
B) message encryption
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Deeper
Question: 17a
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
58) Secured packets typically receive ________.
A) confidentiality
B) authentication
C) message integrity
D) all of the above
Answer: D
Difficulty: Basic
Question: 17b
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology

59) The messages of VPNs ________.
A) share the same transmission lines used by other VPNs
B) are encrypted
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Deeper
Question: 18a
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

60) SSL/TLS is used for ________.
A) Web applications
B) almost all applications
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Deeper
Question: 18b
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

61) Using SSL/TLS for Web applications is attractive because SSL/TLS ________.
A) is essentially free to use
B) offers the strongest possible cryptographic protections
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 18b
Objective: Explain how to protect dialogues cryptographically.
AACSB: Applying Information Technology, Application of Knowledge
62) Requiring someone prove his or her identity is ________.
A) confidentiality
B) authentication
C) authorization
D) both B and C
Answer: B
Difficulty: Basic
Question: 19a
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology

63) In authentication, the ________ is the party trying to prove his or her identity.
A) supplicant
B) verifier
C) true party
D) all of the above
Answer: A
Difficulty: Deeper
Question: 19b
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

64) In authentication, ________ are the general name for proofs of identity.
A) credentials
B) authorizations
C) digital certificates
D) all of the above
Answer: A
Difficulty: Basic
Question: 19c
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology

65) The supplicant claims to be ________.
A) the true party
B) an impostor
C) either A or B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 19d
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge
66) The supplicant is ________.
A) the true party
B) an impostor
C) either A or B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 19f
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge

67) Authentication should generally be ________.
A) as strong as possible
B) appropriate for a specific resource
C) the same for all resources
D) different for every different resource
Answer: B
Difficulty: Deeper
Question: 19g
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

68) Traditionally, we have told users that passwords ________.
A) should have a mix of characters (uppercase and lowercase letters, digits, other keyboard characters)
B) should be easy to remember
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 20a
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology

69) For reusable passwords, NIST now recommends ________.
A) that passwords be easy to remember
B) that passwords should be changed monthly
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Deeper
Question: 20b
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
70) For reusable passwords, NIST now recommends ________.
A) that passwords be easy to remember
B) that passwords be long phrases instead of being about 8-12 characters long
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Deeper
Question: 20b
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

71) NIST guidelines for reusable passwords permit ________.
A) entirely lower-case passwords
B) the use of the same password at different sites
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Deeper
Question: 20d
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

72) For sensitive assets, reusable passwords ________.
A) should be especially long
B) should contain a truly complex mixture of characters
C) should be difficult to remember
D) should not be used
Answer: D
Difficulty: Deeper
Question: 20e
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

73) Biometrics, and other new authentication methods, are being created with the goal of getting rid of reusable passwords.
Answer: TRUE
Difficulty: Basic
Question: 20f
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology

74) Using bodily measurements for authentication is ________.
A) illegal
B) biometrics
C) mandatory for good security
D) all of the above
Answer: B
Difficulty: Basic
Question: 21b
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology
75) Fingerprint recognition is generally acceptable for ________.
A) laptops
B) corporate databases
C) resources involving private information about customers
D) all of the above
Answer: A
Difficulty: Basic
Question: 21c
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge

76) Iris scanning is attractive because of its ________.
A) low cost
B) precision
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 21d
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge

77) Facial recognition is controversial because ________.
A) it can be fooled very easily
B) it can be used surreptitiously
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 21e
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology

78) In digital certificate authentication, the supplicant encrypts the challenge message with ________.
A) the supplicant’s private key
B) the verifier’s private key
C) the true party’s private key
D) none of the above
Answer: A
Difficulty: Deeper
Question: 22a
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
79) In digital certificate authentication, the verifier decrypts the challenge message with ________.
A) the supplicant’s private key
B) the true party’s private key
C) the supplicant’s public key
D) the true party’s public key
Answer: D
Difficulty: Deeper
Question: 22b
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

80) In digital certificate authentication, the verifier gets the key it needs directly from the ________.
A) supplicant
B) verifier
C) true party
D) certificate authority
Answer: D
Difficulty: Basic
Question: 22d
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology

81) The digital certificate provides the ________.
A) private key of the supplicant
B) private key of the true party
C) public key of the supplicant
D) none of the above
Answer: D
Difficulty: Deeper
Question: 22d
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

82) Which form of authentication depends on the supplicant proving that she knows something only the true party should know?
A) reusable password authentication
B) iris scanning
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 23b
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge
83) Digital certificate authentication fails if the supplicant ________.
A) is the true party
B) learns the true party’s private key
C) learns the true party’s public key
D) either B or C
Answer: B
Difficulty: Deeper
Question: 23c
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

84) A debit card is secure because it requires two credentials for authentication–the card itself and a PIN. This is called ________.
A) segmentation
B) redundancy
C) two-factor authentication
D) none of the above
Answer: C
Difficulty: Basic
Question: 23d
Objective: Explain authentication alternatives.
AACSB: Applying Information Technology

85) When a firewall identifies an attack packet, it ________.
A) discards the packet
B) copies information about the packet into a log file
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 24a
Objective: Describe firewall protections.
AACSB: Applying Information Technology

86) A firewall will drop a packet if it ________.
A) is a definite attack packet
B) is a highly probable attack packet
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Deeper
Question: 24b
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
87) Firewall log files should be read ________.
A) every month
B) every day
C) every week
D) usually only when a serious attack is suspected
Answer: B
Difficulty: Basic
Question: 24c
Objective: Describe firewall protections.
AACSB: Applying Information Technology

88) Stateful packet inspection firewalls are attractive because of their ________.
A) low cost for a given traffic volume
B) ability to base rules on specific application programs
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 25a
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge

89) When a packet that is part of an ongoing connection arrives at a stateful inspection firewall, the firewall usually ________.
A) drops the packet
B) drops the packet and notifies an administrator
C) passes the packet
D) passes the packet, but notifies an administrator
Answer: C
Difficulty: Deeper
Question: 25c
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

90) When a packet that is not part of an ongoing connection and that does not attempt to open a connection arrives at a stateful inspection firewall, the firewall ________.
A) drops the packet
B) passes the packet
C) opens a new connection
D) does not approve the connection
Answer: A
Difficulty: Deeper
Question: 25c
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
91) How will a stateful packet inspection (SPI) firewall handle a packet containing a TCP segment that contains an acknowledgement?
A) process it through the Access Control List (ACL)
B) pass it if it is part of an approved connection
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Deeper
Question: 25c
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

92) SPI firewalls are attractive because of their ________.
A) ability to do antivirus filtering
B) ability to filter complex application content
C) QoS guarantees
D) low cost
Answer: D
Difficulty: Deeper
Question: 25d
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

93) ________ is the dominant firewall filtering method used on main border firewalls today.
A) ACL filtering
B) Application content filtering
C) Stateful packet inspection
D) NGFW
Answer: C
Difficulty: Basic
Question: 25e
Objective: Describe firewall protections.
AACSB: Applying Information Technology

94) In SPI firewalls, ACLs are used for packets in the ________ state.
A) connection-opening
B) ongoing communication
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 26a
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge
95) In an SPI firewall, all rules except the last will permit the connection. The last will ________.
A) also permit the connection
B) deny the connection
C) either A or B
D) none of the above
Answer: B
Difficulty: Basic
Question: 26a
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge

96) SPI firewalls are being replaced in large part because they are limited in their ability to detect ________.
A) NAT
B) piggybacking
C) port spoofing
D) none of the above
Answer: C
Difficulty: Deeper
Question: 27a
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

97) Which type of firewall filtering collects streams of packets to analyze them as a group?
A) SPI
B) NGFW
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Deeper
Question: 27b
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

98) Which type of firewall filtering looks at application-layer content?
A) stateful packet inspection
B) NGFW
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 27b
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
99) NGFWs ________.
A) can implement different rules for different applications
B) base server decisions on port numbers
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 27b
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge

100) Which type of firewall is more expensive per packet handled?
A) SPI
B) NGFW
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 27d
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge

101) If a packet is highly suspicious but not a provable attack packet, an ________ may drop it.
A) SPI firewall
B) IDS
C) NGFW
D) none of the above
Answer: D
Difficulty: Deeper
Question: 28a
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

102) Which of the following is the most frustrating to use?
A) IDSs
B) opaque filtering
C) SPI firewalls
D) NGFW firewalls
Answer: A
Difficulty: Deeper
Question: 28b
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking
103) Compared to NGFWs, IDSs ________.
A) look for different threats
B) look for the same threats
C) look for the same threats but do so differently
D) none of the above
Answer: A
Difficulty: Deeper
Question: 28c
Objective: Describe firewall protections.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

104) ________ look at ________, while ________ mostly look at ________.
A) Antivirus programs; packets; firewalls; packets
B) Antivirus programs; files; firewalls; files
C) Antivirus programs; packets; firewalls; files
D) Antivirus programs; files; firewalls; packets
Answer: D
Difficulty: Deeper
Question: 29a
Objective: Describe the role of antivirus protection.
AACSB: Applying Information Technology, Application of Knowledge, Analytical Thinking

105) Antivirus programs are designed to detect ________.
A) viruses
B) worms
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 29b
Objective: Describe the role of antivirus protection.
AACSB: Applying Information Technology

106) In antivirus filtering, the best ways to filter currently use ________.
A) application awareness
B) stateful inspection
C) signature detection
D) behavioral detection
Answer: D
Difficulty: Basic
Question: 29c
Objective: Describe the role of antivirus protection.
AACSB: Applying Information Technology

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