Best Computer MCQ for Competitive Exams 2026-2027 - 1

Question: 1

Which of the following is NOT a common social engineering technique?

(A) Tailgating

(B) SQL injection

(C) Shoulder surfing

(D) Phishing

Question: 2

Which of the following is an example of a network-based intrusion detection system (NIDS)?

(A) Snort

(B) Antivirus software

(C) Firewalls

(D) Biometric authentication

Question: 3

What is a packet sniffer?

(A) A tool used to capture and analyse network traffic

(B) A tool use to block network traffic

(C) A type of malware that spreads through a network

(D) A tool used to encrypt network traffic

Question: 4

Which of the following is NOT a type of malware?

(A) Firewall

(B) Worm

(C) Trojan

(D) Virus

Question: 5

Computers process data into information by working exclusively with

(A) Numbers

(B) Multimedia

(C) Words

(D) Characters