Class 8 Computer Science: Advanced Internet Services

1. Q1. Which of the following internet services primarily focuses on real-time text-based communication between two or more users?
   • Email
   • Instant Messaging
   • File Transfer Protocol (FTP)
   • Voice over Internet Protocol (VoIP)
2. Q2. A digital signature is used to ensure the _____ of an electronic document.
   • Confidentiality
   • Availability
   • Integrity
   • Performance
3. Q3. Which e-commerce model represents transactions between businesses and individual consumers?
   • B2B (Business-to-Business)
   • C2C (Consumer-to-Consumer)
   • B2C (Business-to-Consumer)
   • G2C (Government-to-Consumer)
4. Q4. What is the primary purpose of a firewall in a network?
   • To increase internet speed
   • To block unauthorized access
   • To store website data
   • To manage email accounts
5. Q5. Which protocol is commonly used for securely accessing and exchanging files over a computer network?
   • HTTP (Hypertext Transfer Protocol)
   • SMTP (Simple Mail Transfer Protocol)
   • SFTP (SSH File Transfer Protocol)
   • DNS (Domain Name System)

+ 5 more in the printable PDF.