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NETSEC 1 – INTRODUCTION TO NETWORK SECURITY
CONCEPTS (2025) –110 MOST TESTED QUESTIONS WITH
VERIFIED ANSWERS
Threat environment consists of the types of attackers and attacks that companies face
...

T/F - CORRECT ANSWER-FALSE

3) The three common core goals of security are ________
...

A) integrity
B) confidentiality
C) Both A and B
D) Neither A nor B - CORRECT ANSWER-A

5) Which of the following are types of countermeasures?
A) Preventative
B) Detective
C) Corrective
D) All of the above - CORRECT ANSWER-D

6) When a threat succeeds in causing harm to a business, this is called a ________
...

A) breach
B) countermeasure
C) Both A and B
D) Neither A nor B - CORRECT ANSWER-A

8) Another name for safeguard is ________
...

T/F - CORRECT ANSWER-FALSE

11) Detective countermeasures identify when a threat is attacking and especially when it is
succeeding
...
- CORRECT ANSWER-FALSE

13) Preventative countermeasures keep attacks from succeeding
...
- CORRECT ANSWER-TRUE

15) Most countermeasure controls are detective controls
...

A) Cross-site scripting
B) SQL injection
C) Denial of service
D) None of the above - CORRECT ANSWER-B

17) About how long was the Sony PlayStation Network offline as a result of the cyber attacks?
A) 3 days
B) 3 weeks
C) 3 months
D) It never went down
...
6 billion - CORRECT ANSWER-B

21) Employees pose an increased risk to organizations as they ofter have access to sensitive parts of
systems
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- CORRECT ANSWER-TRUE

23) Employees are very dangerous because they ________
...

A) Sabotage
B) Hacking
C) Extortion
D) Denial of Service - CORRECT ANSWER-A

26) Misappropriation of assets is an example of employee financial theft
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- CORRECT ANSWERTRUE

28) You accidentally find someone's password and use it to get into a system
...
-

CORRECT ANSWER-TRUE
29) Someone sends you a "game
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This is hacking
...
By accident, you discover that if you hit a certain
key, you can get into someone else's files
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This is
hacking
...
" - CORRECT ANSWER-FALSE

32) When considering penalties for hacking, motivation is irrelevant
...
" - CORRECT ANSWER-TRUE

34) Penalties for hacking are ________
...
- CORRECT ANSWERFALSE

36) In ________, the perpetrator tries to obtain money or other goods by threatening to take actions
that would be against the victim's interest
...
- CORRECT ANSWER-FALSE

38) In fraud, the perpetrator tries to obtain money or other goods by threatening to take actions
that would be against the victim's interest
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A) Fraud
B) Extortion
C) Hacking
D) Abuse - CORRECT ANSWER-D

40) ________ is a generic term for "evil software
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A) Viruses
B) Worms
C) Both A and B
D) Neither A nor B - CORRECT ANSWER-A

42) ________ can spread through e-mail attachments
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A) viruses
B) worms
C) Both A and B
D) Neither A nor B - CORRECT ANSWER-B

44) The fastest propagation occurs with some types of ________
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A) exploit
B) compromise
C) payload
D) vector - CORRECT ANSWER-C

46) Nonmobile malware can be on webpages that users download
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- CORRECT ANSWER-TRUE

48) A program that gives the attacker remote access control of your computer is specifically called a
________
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A) Trojan horse
B) Trojan pony
C) Stub
D) Downloader - CORRECT ANSWER-D

50) Which of the following can be a type of spyware?
A) A cookie
B) A keystroke logger
C) Both A and B
D) Neither A nor B - CORRECT ANSWER-C

51) Most cookies are dangerous
...
- CORRECT ANSWER-FALSE

53) Which type of program can hide itself from normal inspection and detection?
A) Trojan horse
B) Stealth Trojan
C) Spyware
D) Rootkit - CORRECT ANSWER-D

54) Mobile code usually is delivered through ________
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- CORRECT ANSWER-TRUE

56) ________ attacks take advantage of flawed human judgment by convincing the victim to take
actions that are counter to security policies
...
)
A) Social engineering
B) Spam
C) E-mail attachment
D) Mobile code - CORRECT ANSWER-A

57) The definition of spam is "unsolicited commercial e-mail
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Clicking on a link in the message takes
you to a website that seems to be your bank's website
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This is called a
________ attack
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)
A) social engineering
B) a hoax
C) phishing
D) spear fishing - CORRECT ANSWER-C

59) You receive an e-mail that seems to come from a frequent customer
...
Clicking on a link in the message takes you
to a website that seems to be your customer's website
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This is
________
...
)
A) social engineering
B) a hoax
C) phishing
D) spear fishing - CORRECT ANSWER-D

60) Most traditional external attackers were heavily motivated by ________
...
-

CORRECT ANSWER-FALSE
62) Most traditional external hackers do not cause extensive damage or commit theft for money
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A) thrill
B) validation of power
C) doing damage as a by-product
D) All of the above - CORRECT ANSWER-D

64) Attackers rarely use IP address spoofing to conceal their identities
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- CORRECT ANSWER-TRUE

66) ICMP Echo messages are often used in ________
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A) a IP address scanning attack
B) IP address spoofing
C) a port scanning attack
D) None of the above
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- CORRECT

ANSWER-TRUE
69) The primary purpose for attackers to send port scanning probes to hosts is to identify which
ports are open
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A) IP address spoofing
B) a chain of attack computers
C) Both A and B
D) Neither A nor B - CORRECT ANSWER-B

71) Following someone through a secure door for access without using an authorized ID card or pass
code is called ________
...
)
A) door hacking
B) social engineering
C) piggybacking
D) shoulder surfing - CORRECT ANSWER-C

72) Watching someone type their password in order to learn the password is called ________
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- CORRECT ANSWER-TRUE

74) Social engineering is rarely used in hacking
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A) virus
B) directly-propagating worm
C) DoS
D) bot - CORRECT ANSWER-C

76) Which of the following are examples of social engineering?
A) Wearing a uniform to give the appearance that you work at a business
B) Gaining unauthorized access by following an authorized individual in to a business
C) None of the above
D) All of the above - CORRECT ANSWER-D

77) Generally speaking, script kiddies have high levels of technical skills
...
(Choose the most specific choice
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A) fix a bug in the bots
B) update bots with new functionality

C) Both A and B
D) Neither A nor B - CORRECT ANSWER-C

80) Botnets usually have multiple owners over time
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A) automated attack tools
B) dogged persistence
C) Both A and B
D) Neither A nor B - CORRECT ANSWER-B

82) Sophisticated attacks often are difficult to identify amid the "noise" of many ________ attacks
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A) wizard hacker
B) IT or security employer
C) national government
D) career criminal - CORRECT ANSWER-D

84) Compared to non-computer crime, computer crime is very small
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- CORRECT ANSWER-FALSE

86) Cybercriminals avoid black market forums
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To get around this, attackers use ________
...
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CORRECT ANSWER-TRUE
89) In fraud, the attacker deceives the victim into doing something against the victim's financial selfinterest
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A) Click fraud
B) Extortion
C) E-theft
D) False reporting - CORRECT ANSWER-A

91) ________ threaten to do at least temporary harm to the victim company's IT infrastructure
unless the victim pays the attacker
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- CORRECT ANSWER-FALSE

93) Stealing credit card numbers is also known as ________
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- CORRECT ANSWER-FALSE

95) Under current U
...
federal laws, if a company allows personal information to be stolen, it may be
subject to government fines
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- CORRECT ANSWER-FALSE

97) If a company wishes to prosecute people or companies that steal its trade secrets, it must take
________ precautions to protect those trade secrets
...
) - CORRECT ANSWER-B

98) Trade secret theft can occur through interception, hacking, and other traditional cybercrimes
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A) Competitors
B) National governments

C) Both A and B
D) Neither A nor B - CORRECT ANSWER-C

101) Cyberwar consists of computer-based attacks conducted by ________
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A) before a physical attack
B) after a physical attack
C) Both A and B
D) Neither A nor B - CORRECT ANSWER-C

103) Terrorists can use IT to ________

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