Computer Science

COMPUTER SECURITY MCQs

Total Questions : 66

Page 1 of 7 pages
Question 1. A person who uses his or her expertise to gain access to other people’s computers to get information illegally or do damage is a _______.
  1.    spammer
  2.    hacker
  3.    instant messenger
  4.    All of these
  5.    None of these
 Discuss Question
Answer is Option B. -> hacker
Question 2. A hacker contacts your phone or E-mails and attempts to acquire your password is called
  1.    spoofing
  2.    phishing
  3.    spamming
  4.    bugging
  5.    None of these
 Discuss Question
Answer is Option B. -> phishing
Question 3. Physical security is concerned with protecting computer hardware from human tampering and natural disasters and __________ security is concerned with protecting software from unauthorised tampering or damage.
  1.    data
  2.    cyber
  3.    Internet
  4.    metaphysical
  5.    publicity
 Discuss Question
Answer is Option B. -> cyber
Question 4. Hackers often gain entry to a network be pretending to be at a legitimate computer
  1.    spoofing
  2.    forging
  3.    IP spoofing
  4.    None of these
 Discuss Question
Answer is Option C. -> IP spoofing
Question 5. Viruses that fool a user into downloading and/or executing them by pretending to be useful applications are also sometimes called?
  1.    Trojan horses
  2.    Keylogger
  3.    Worm
  4.    Cracker
 Discuss Question
Answer is Option A. -> Trojan horses
Question 6. A time bomb occurs during a particular
  1.    data or time
  2.    logic and data
  3.    only time
  4.    All of the above
  5.    None of these
 Discuss Question
Answer is Option C. -> only time
Question 7. Security exploit is
  1.    a prepared application that takes advantage of a known weakness.
  2.    a tool used to quickly check computers on a network for known weaknesses.
  3.    an application that captures TCP/IP data packets, which can maliciously be used to capture passwords and other data while it is in transit either within the computer or over the network.
  4.    a situation in which one person or program successfully masquerades as another by falsifying data and thereby gaining illegitimate access.
 Discuss Question
Answer is Option A. -> a prepared application that takes advantage of a known weakness.
Question 8. Spoofing attack is
  1.    an application that captures TCP/IP data packets, which can maliciously be used to capture passwords and other data while it is in transit either within the computer or over the network.
  2.    a situation in which one person or program successfully masquerades as another by falsifying data and thereby gaining illegitimate access.
  3.    a toolkit for hiding the fact that a computer’s security has been compromised, is a general description of a set of programs which work to subvert control of an operating system from its legitimate (in accordance with established rules) operators.
  4.    None of these
 Discuss Question
Answer is Option C. -> a toolkit for hiding the fact that a computer’s security has been compromised, is a general description of a set of programs which work to subvert control of an operating system from its legitimate (in accordance with established rules) operators.
Question 9. ____ is a form of virus explicitly designed to hide itself from detection by anti-virus software.
  1.    Stealth
  2.    Polymorphic virus
  3.    Parasitic virus
  4.    Macro virus
  5.    None of these
 Discuss Question
Answer is Option A. -> Stealth
Question 10. Which one of the following is a cryptographic protocol used to secure http connection ?
  1.    Stream Control Transmission Protocol (SCTP)
  2.    Transport Layer Security (TLS)
  3.    Explicit Congestion Notification (FCN)
  4.    Resource Reservation Protocol (RRP)
  5.    None of the above
 Discuss Question
Answer is Option B. -> Transport Layer Security (TLS)