Which type of antivirus detection strategy analyzes an unverified program's instruction codes for malicious traits, helping it flag new threats even if the file hash is missing from standard databases? MCQ with Answer and Explanation

Question
Which type of antivirus detection strategy analyzes an unverified program's instruction codes for malicious traits, helping it flag new threats even if the file hash is missing from standard databases?
A. Heuristic Analysis / Behavioral Monitoring
B. Database Static Lookup
C. Cryptographic Indexing
D. Static Signature Masking
Answer: Option A
Solution (By JKSSB Mock Tests)
Heuristic analysis checks software patterns and rules of behavior to detect unknown zero-day malware variants that lack established signature profiles.
This question belongs to: Computer Cyber Security
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Question #1
What form of network security exploit uses a fake wireless router with the exact same SSID label as a corporate office network to trick workers into connecting so the attacker can log their data traffic?
A. DDoS Flood
B. Evil Twin Attack
C. Brute Force Cracking
D. SQL Injection Squeeze
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Correct Answer: Option B

Explanation:
An Evil Twin attack clones a legitimate Wi-Fi access point configuration to trick users into connecting, allowing the attacker to monitor network traffic.
This question belongs to: Computer Cyber Security
Question #2
What is the role of encryption in cybersecurity?
A. To convert data into a secure format that is unreadable without a key
B. To compress data
C. To delete data
D. To speed up data processing
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Correct Answer: Option A

Explanation:
Encryption converts readable data (plaintext) into an unreadable format (ciphertext) using an algorithm and key, ensuring that only authorized parties can access the information.
This question belongs to: Computer Cyber Security
Question #3
Which firewall asset tracks the ongoing state of active data interactions, filtering out incoming data packets that do not correspond to an established, verified session?
A. Stateful Inspection Firewall
B. Stateless Packet Filter
C. Circuit Level Gateway
D. Application Layer Proxy
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Correct Answer: Option A

Explanation:
Stateful firewalls maintain connection tables tracking the state of active network interactions, blocking unexpected or unsolicited inbound traffic.
This question belongs to: Computer Cyber Security
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