Top 100 Important Computer Mcqs Set-11 81- Which of the following is a type of malware? A. VirusB. FirewallC. AntivirusD. Router View Answer Answer : A. Virus Description 82- What is the default port for SSH? A. 21B. 22C. 23D. 25 View Answer Answer : B. 22 Description 83- Which of the following is a programming paradigm? A. SquareB. TriangularC. CircularD. Object-oriented View Answer Answer : D. Object-oriented Description 84- What is the function of an API? A. Allows software applications to communicateB. Stores dataC. Manages memoryD. Connects hardware View Answer Answer : A. Allows software applications to communicate Description 85- Which of the following is a type of cyber attack? A. EncryptionB. AntivirusC. FirewallD. Phishing View Answer Answer : D. Phishing Description 86- What is the purpose of encryption? A. Stores dataB. Processes dataC. Increases speedD. Protects data by converting it to unreadable format View Answer Answer : D. Protects data by converting it to unreadable format Description 87- Which of the following is not a network device? A. CPUB. HubC. SwitchD. Router View Answer Answer : A. CPU Description 88- What is the function of an SSD? A. Processes dataB. Connects networksC. Provides backup powerD. Stores data permanently View Answer Answer : D. Stores data permanently Description 89- Which of the following is a type of software license? A. NetworkB. FirmwareC. Open-sourceD. Hardware View Answer Answer : C. Open-source Description 90- What is the purpose of a DNS? A. Processes dataB. Connects networksC. Stores dataD. Translates domain names to IP addresses View Answer Answer : D. Translates domain names to IP addresses Description 91- Which of the following is a type of computer memory? A. CUB. ALUC. CPUD. RAM View Answer Answer : D. RAM Description 92- What is the function of a motherboard? A. Stores dataB. Connects all computer componentsC. Processes dataD. Provides power View Answer Answer : B. Connects all computer components Description 93- Which of the following is a type of network cable? A. USBB. EthernetC. HDMID. VGA View Answer Answer : B. Ethernet Description 94- What is the purpose of a backup? A. Processes dataB. Connects networksC. Increases speedD. Protects data from loss View Answer Answer : D. Protects data from loss Description 95- Which of the following is a type of digital certificate? A. SSLB. TCPC. IPD. HTTP View Answer Answer : A. SSL Description 96- What is the function of a hub in a network? A. Processes dataB. Provides powerC. Connects multiple devices in a networkD. Stores data View Answer Answer : C. Connects multiple devices in a network Description 97- Which of the following is not a type of software testing? A. Unit testingB. Integration testingC. Speed testingD. System testing View Answer Answer : C. Speed testing Description 98- What is the purpose of a database index? A. Manages memoryB. Connects networksC. Stores dataD. Increases query speed View Answer Answer : D. Increases query speed Description 99- Which of the following is a type of firewall? A. Hardware firewall B. Software firewallC. Both A and BD. Neither A nor B View Answer Answer : C. Both A and B Description 100- What is the function of a power supply unit? A. Stores dataB. Processes dataC. Connects networksD. Provides power to computer components View Answer Answer : D. Provides power to computer components Description 1 2 3 4 5