Computer Security
122 questions available
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Q61.The three V's of big data are Volume, Velocity, and?
Correct Answer: D
The classic foundational three V's of big data are Volume (size), Velocity (speed of generation), and Variety (data formats).
Q62.In cybersecurity, AI-based 'behavioral analytics' detects threats by:
Correct Answer: D
Behavioral analytics flags anomalies that deviate from established normal patterns.
Q63.Which AI concept is central to detecting previously unseen malware (zero-day threats)?
Correct Answer: D
Behavior-based anomaly detection can catch novel threats lacking known signatures.
Q64.Which is TRUE about 'embeddings'?
Correct Answer: A
Embeddings represent data as dense vectors that capture semantic relationships.
Q65.Which scenario BEST illustrates a 'data poisoning' attack on an FIA fraud-detection model?
Correct Answer: A
Injecting mislabeled data during training corrupts the model to evade detection later.
Q66.Which AI capability is MOST useful for detecting phishing websites used in financial fraud?
Correct Answer: A
ML on URL/content features and visual brand-similarity detection flags phishing sites.
Q67.Ransomware attack is an attack which performs?
Correct Answer: B
Ransomware is malicious software that encrypts user files and demands payment to decrypt them.
Q68.Which is the first computer virus in World?
Correct Answer: B
Creeper virus was created in 1971 by Bob Thomas. It was the first computer worm/virus.
Q69.Ransomware is a?
Correct Answer: B
Ransomware is a dangerous type of malware that encrypts user data and demands money to unlock it.
Q70.In the banking system, what does OTP stand for?
Correct Answer: A
OTP is a temporary secure One Time Password used to verify transactions.
Q71.Which security system only detects threats but does not take any action?
Correct Answer: A
An IDS monitors network or system activities to detect potential threats. It does not block or prevent attacks; it only alerts administrators. An IPS (Intrusion Prevention System) can take action to stop threats. Antivirus and firewalls actively block or remove malicious activity.
Q72.What is the main difference between malware and ransomware?
Correct Answer: B
Malware is any software designed to harm or exploit a computer system. Ransomware is a type of malware that encrypts files and demands payment to unlock them. Not all malware is ransomware.
Q73.Which is an example of ethical data use?
Correct Answer: C
Ethical data use involves respecting user privacy and following legal and moral guidelines, which includes protecting user information from unauthorized access.
Q74.Which type of malware encrypts user data and demands payment for recovery?
Correct Answer: A
Ransomware is a malicious program that encrypts a user's files and demands a ransom payment to decrypt them.
Q75.What is a DoS Attack in cybersecurity?
Correct Answer: A
A Denial of Service (DoS) attack occurs when an attacker floods a system or network with traffic to deny access to legitimate users.
Q76.The first-ever PC-compatible computer virus (Brain) was created in 1986 in which country?
Correct Answer: B
The 'Brain' virus was created in January 1986 by two brothers from Lahore, Pakistan, making it the first IBM PC-compatible computer virus.
Q77.The effectiveness of cyber systems largely depends on _____?
Correct Answer: C
The utility and reach of modern cyber systems are heavily dependent on reliable network and internet connectivity.
Q78.An antivirus program is classified under which software category?
Correct Answer: B
Antivirus software is classified as utility software because it analyzes, configures, and maintains computer security.
Q79.Which cryptographic security technique is used to protect sensitive data and passwords?
Correct Answer: A
Encryption secures passwords and data by translating plain text into encrypted ciphertext.
Q80.The electronic transfer of data from one system or location to another is called?
Correct Answer: C
Data communication refers to the transmission of digital data between nodes via telecommunication channels.